30results about How to "Discharge specific capacity increased in the first week" patented technology

The invention relates to a ternary oxygen-based electrolyte and preparation and application thereof, the electrolyte comprises the following general formula I: in the general formula I, R, R1, R2 and R3 are independently a first ring or a first chain containing at least one atom, and R1, R2 and R3 can be H or none; any one or two atoms of R, R1, R2 and R3 are connected with-E2-OBF3M and-E3-OBF3M; the structural formula is shown in the description; r, R1, R2 and R3 can be independently connected with a first substituent group; e1, E2 and E3 are independently null, a second ring or a second chain containing at least one atom; the first ring and the second ring may be a carbocyclic ring or a heterocyclic ring; the first and second chains may be carbon chains or heterochains. The boron trifluoride salt provided by the invention can be used as an additive in a battery, and can be used as a single ion conductor and a polymer framework after being polymerized for a polymerizable monomer. The boron trifluoride salt can be applied to a liquid electrolyte, a gel electrolyte, a mixed solid-liquid electrolyte, a quasi-solid electrolyte and an all-solid electrolyte, and the effect is good.

The invention relates to a ternary electrolyte containing an aromatic ring structure and preparation and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I, the boron trifluoride salt is a six-membered aromatic ring, and the ring is directly or indirectly connected with three-OBF3Ms; in I, R1, R2, R3, R4, R5 and R6 can be independently C, N, P, S, O, Se, Al, B or Si; m is a metal cation; e4 is a chain without or containing at least one atom; the-E2-OBF3M is connected to the R1, the R2, the R3, the R4, the R5, the R6 or the E4; e1, E2 and E3 are independently null, a chain structure containing at least one atom or a structure containing a ring; and R7 is a substituent group. The boron organic compound can be used as an additive in a battery, and can be used as a single-ion conductor and a high-molecular framework after being polymerized for a polymerizable monomer; the composite material can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid battery and an all-solid battery, and the effect is good.

The invention relates to a saturated carbocyclic electrolyte and preparation and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I: in the general formula I, the boron trifluoride salt represents a saturated ring, and atoms forming the saturated ring are carbon; m is a metal cation; e1 and E2 are independently null, a group, a chain structure or a ring-containing structure; r is a substituent group and represents that any H on a ring can be substituted by the substituent group, the substituent group can replace one H or two or more H, and if two or more H are substituted, the substituent groups can be the same or different. According to the electrolyte disclosed by the invention, two-OBF3M are creatively compounded in a saturated ring structure, so that the electrolyte can be used as an electrolyte salt and an additive, and the effect is good.

The invention relates to a saturated heterochain electrolyte and preparation and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I: in the general formula I, R or R1 is independently a first chain without or containing at least one atom; r and R1 are not none at the same time; r2 and R3 are second chains which do not contain or contain at least one atom; m is a metal cation; the first chain and the second chain are both saturated chains; h on any C in the first chain and the second chain can be independently substituted by substituent groups, and the substituent groups comprise H, a chained substituent group containing at least one atom and a cyclic substituent group; the first chain, the second chain and the chain substituent contain at least one heteroatom. According to the electrolyte disclosed by the invention, two-OBF3M are creatively compounded in one compound, so that the electrolyte can be used as an electrolyte salt and an additive, and the effect is good.

The invention provides an electrolyte containing a saturated carbocyclic structure and a preparation method and application thereof. Wherein the electrolyte comprises boron trifluoride salt, and the structure of the boron trifluoride salt is as shown in a general formula I in the specification. When the boron trifluoride salt provided by the invention is used as an additive of an electrolyte, a stable passivation layer is formed on the surface of an electrode, and the boron trifluoride salt contains M ions, so that the ions provided by the electrode are consumed less in a film forming process, and the first efficiency and cycle performance of a battery can be remarkably improved when the boron trifluoride salt is used as the additive; and when being used as a salt in an electrolyte, the salt has relatively good ion transmission property and stable electrochemical performance. The boron trifluoride salt provided by the invention can be applied to a liquid battery, a solid-liquid hybrid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery, and is beneficial to improving the energy density and the cycle stability of the battery and prolonging the service life of the battery. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved.

The invention relates to a polycyclic electrolyte and preparation and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I: wherein R represents a polyring, and the polyring is composed of two or more than two monorings; the multi-rings comprise a fused ring, a bridge ring and a spiro ring, and simultaneously contain at least two of the three multi-rings or simultaneously contain at least one single ring and at least one of the three multi-rings; m is a metal cation; e1 and E2 are independently null, a group, a chain structure or a ring-containing structure; according to the electrolyte disclosed by the invention, two-OBF3M are creatively compounded in a polycyclic compound, so that the polycyclic compound can be used as an electrolyte salt and an additive, and the effect is good.

The invention relates to a polybasic oxygen group-containing boron trifluoride salt electrolyte and a preparation method and application thereof, the electrolyte comprises a boron trifluoride salt represented by the following general formula I: wherein Q1 represents-OBF3M, M is a metal cation; r, R1, R2, R3, R4 and R5 are independently null, a first ring or a first chain containing at least one atom, and R and R1-R5 cannot be H or null at the same time; and any one, two or more atoms of R, R1, R2, R3, R4 and R5 are connected with 3-8-OBF3M. The boron trifluoride salt provided by the invention can be applied as an additive in a battery. The boron trifluoride salt can be applied to a liquid electrolyte, a gel electrolyte, a mixed solid-liquid electrolyte, a quasi-solid electrolyte and an all-solid electrolyte, and is beneficial to improving the energy density and the cycle stability of a battery and prolonging the service life of the battery. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved.

The present invention relates to a boron trifluoride salt ternary electrolyte and preparation and application thereof, the electrolyte comprises a boron trifluoride salt represented by the following general formula I: in the general formula I, a ring is represented, and the ring comprises a single ring or a multi-ring formed by at least two single rings; m is a metal cation; e4 and E5 are independently chains without or containing at least one atom; e1, E2 and E3 are independently null, a chain structure containing at least one atom or a structure containing a ring; r is a substituent. Three-OBF3M groups exist in the structure of the boron trifluoride salt, and preferably, OBF3M is connected with a carbon atom C. The boron trifluoride salt can be used as an additive, and the electrolyte can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid battery and an all-solid battery, and has a good effect.

The invention provides a multi-element sulfenyl boron trifluoride salt electrolyte as well as a preparation method and application thereof. The multi-element sulfenyl boron trifluoride salt electrolyte comprises boron trifluoride salt as shown in the following general formula I. The invention further discloses a preparation method of the multi-element sulfenyl boron trifluoride salt electrolyte. Wherein the multi-element sulfenyl boron trifluoride salt can be used as an additive and can also be used as a salt in the electrolyte. When being used as an electrolyte additive, the electrolyte additive can significantly improve the first efficiency and cycle performance of a battery; and when being used as a salt in an electrolyte, the compound has relatively good ion transmission property and stable electrochemical performance. The boron trifluoride salt provided by the invention can be applied to a liquid battery, a solid-liquid hybrid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery, and is beneficial to improving the energy density and the cycle stability of the battery and prolonging the service life of the battery. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved.

The present invention relates to a boron trifluoride salt electrolyte and preparation and application thereof, the electrolyte comprises a boron trifluoride salt represented by the following general formula I: wherein, represents a ring, the ring comprises a single ring or a multi-ring formed by at least two single rings, and M is a metal cation; e1, E2 and E3 are independently null, a group, a chain structure or a ring-containing structure; r is a substituent group and represents that any H on a ring can be substituted by the substituent group, the substituent group can replace one H or two or more H, and if two or more H are substituted, the substituent groups can be the same or different. According to the electrolyte disclosed by the invention, two-OBF3M are creatively compounded in one compound, and preferably, OBF3M is connected with a carbon atom C. The boron organic compound can be used as an electrolyte salt and an additive, and has a good effect.

The invention relates to a saturated heterochain ternary electrolyte as well as a preparation method and application thereof. The electrolyte comprises a saturated heterochain boron trifluoride salt represented by the following general formula I, wherein R, R1 or R4 are independently a first chain without or containing at least one atom; r, R1 and R4 are not none at the same time; any one atom of R, R1, R2, R3 or R4 is connected with-R5-OBF3M, and-R5-OBF3M is connected to any one atom of R, R1, R2, R3 or R4; r2, R3 or R5 are independently a second chain free of or containing at least one atom; m is a metal cation; the first chain and the second chain are both saturated chains; h on any C in the first chain and the second chain can be independently substituted by a substituent, and the first chain, the second chain and the chain substituent contain at least one non-carbon heteroatom. The boron trifluoride salt can be used as an additive in a battery, can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery, and has a good effect.

The invention relates to an unsaturated carbocyclic boron trifluoride salt electrolyte as well as preparation and application thereof. The electrolyte comprises boron trifluoride salt represented by the following general formula I, r'represents a carbocyclic ring composed of carbon and is an unsaturated carbocyclic ring containing at least one double bond; m is a metal cation; e1 and E2 are independently null, a group, a chain structure or a ring-containing structure; r is a substituent group and represents that any H on a ring can be substituted by the substituent group, the substituent group can replace one H or two or more H, and if two or more H are substituted, the substituent groups can be the same or different. The boron organic compound has multiple effects, can be used as an electrolyte lithium / sodium salt, an additive and a polymeric monomer, and has a good effect.

The invention relates to a binary electrolyte and preparation and application thereof, the binary electrolyte comprises boron trifluoride salt represented by the following general formula I: in the general formula I, R1, R2 and R3 can be independently null, chain or ring; r1, R2 and R3 are not null at the same time; r1, R2 or R3 contains one of-OBF3M; when R1, R2 or R3 contains a ring, the ring is a ring formed by C atoms or a ring containing at least one heteroatom; when R1, R2 or R3 are chains, R1, R2 or R3 are chains only composed of C atoms or chains containing non-carbon atoms, the chains are saturated chains or chains containing unsaturated bonds, and the unsaturated bonds comprise double bonds and / or triple bonds; r1, R2 or R3 is connected with a first substituent group. According to the electrolyte disclosed by the invention, two-OBF3M are creatively compounded in one compound, and the compound can be used as an electrolyte salt and can also be used as an additive, so that the effect is good.

The invention provides a polymerizable electrolyte and a preparation method and application thereof. Wherein the electrolyte comprises boron trifluoride salt, and the structure of the boron trifluoride salt is as shown in a general formula I in the specification. The electrolyte provided by the invention has polymerizable groups and functional groups, so that the electrolyte has multiple applications in a battery, and can be used as a functional additive to form a passive film on the surface of an electrode to prevent the electrode from decomposing each component of the electrolyte; the salt can be used as a main salt, is mainly used for providing transmittable ions for a battery, and is secondarily used for forming a passivation film on the surface of an electrode; the polymer electrolyte can be subjected to in-situ / ex-situ polymerization to form a single-ion conductor polymer electrolyte and a polymer skeleton for application, and provides high ionic conductivity, high electrochemical stability and excellent mechanical properties for batteries. Therefore, the battery prepared from the electrolyte has excellent long cycle stability, long battery life, low raw material price and good economic benefit.

The invention relates to a polycyclic ternary electrolyte and a preparation method and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I: in the general formula I, a polyring is represented, and the polyring is composed of two or more than two single rings; the polyrings comprise a fused ring, a bridge ring and a spiro ring, and simultaneously contain at least two of the three polyrings or simultaneously contain at least one single ring and at least one of the three polyrings; m is a metal cation; e4 is a chain without or containing at least one atom; -E2-OBF3M is connected to E4 or any one atom in a plurality of rings; e1, E2 and E3 are independently null, a chain structure containing at least one atom or a structure containing a ring; r is a substituent. The boron trifluoride salt can be used as an additive in a battery, and the electrolyte can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery and has a good effect.

The invention provides an electrolyte containing an unsaturated heterochain structure as well as a preparation method and application of the electrolyte. Wherein the electrolyte comprises a boron trifluoride salt, and the structure of the boron trifluoride salt is as shown in a general formula I. When the boron trifluoride salt provided by the invention is used as an additive of an electrolyte, a stable passivation layer is formed on the surface of an electrode, so that the first effect and cycle performance of a battery can be remarkably improved; when being used as a salt in an electrolyte, the salt has relatively good ion transmission property and stable electrochemical performance; the monomer with polymerizable groups can also be used as a single ion conductor and a polymer skeleton after in-situ / ex-situ polymerization, and the effect is good. The boron trifluoride salt provided by the invention can be applied to a liquid battery, a solid-liquid hybrid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery, and is beneficial to improving the energy density and the cycle stability of the battery and prolonging the service life of the battery. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved. The general formula I of the MF3BS-R1-R is shown in the specification.

The invention relates to a ternary electrolyte containing saturated heterocycles and preparation and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I: in the general formula I, the saturated heterocycles containing at least one heteroatom are represented; the heteroatom is selected from S, N, O, P, Se, Ca, Al, B or Si; m is a metal cation; e4 is a chain without or containing at least one atom; -E2-OBF3M is connected to any atom in E4 or a saturated heterocyclic ring; e1, E2 and E3 are independently null, a chain structure containing at least one atom or a structure containing a ring; r is a substituent group and represents that any H on a ring can be substituted by the substituent group. The boron trifluoride salt can be used as an additive in a battery, can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery, and has a good effect.

The invention relates to a ternary unsaturated heterochain electrolyte and preparation and application thereof, the electrolyte comprises the following general formula I: in the general formula I, R, R1 or R4 are independently a first chain without or containing at least one atom; r, R1 and R4 are not none at the same time; any one atom of R, R1, R2, R3 or R4 is connected with-R5-OBF3M, and-R5-OBF3M is connected to any one atom of R, R1, R2, R3 or R4; h on any C in the first chain and the second chain can be independently substituted by substituent groups, and the substituent groups comprise H, a chain substituent group and a cyclic substituent group; the first chain, the second chain and the chain substituent contain at least one non-carbon heteroatom and at least one unsaturated bond. The boron trifluoride salt provided by the invention can be used as an additive in a battery, and can be used as a single ion conductor and a polymer framework after being polymerized for a polymerizable monomer. And the electrolyte can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid battery and an all-solid battery, and has a good effect.

The invention relates to an electrolyte containing sulfenyl boron trifluoride salt and a preparation method and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I: wherein, the electrolyte represents a ring, the ring comprises a single ring or a multi-ring composed of at least two single rings, and M is a metal cation; e1, E2 and E3 are independently null, a group, a chain structure or a ring-containing structure; r is a substituent. The boron trifluoride salt provided by the invention can be used as an additive and also can be used as a salt in the electrolyte. The material can be applied to liquid batteries, solid-liquid hybrid batteries, semi-solid batteries, gel batteries, quasi-solid-state batteries and all-solid-state batteries, and is helpful for improving the energy density and the cycle stability of the batteries and prolonging the service life of the batteries. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved.

The invention relates to a sulfenyl saturated carbon chain electrolyte and a preparation method and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I: wherein R and R1 are independently a first chain without or containing at least one carbon atom; r and R1 are not none at the same time; r2 or R3 is independently a second chain free of or containing at least one carbon atom; m is a metal cation; the first chain and the second chain are both saturated carbon chains; h on any C in the first chain and the second chain can be independently substituted by a substituent. The boron trifluoride salt provided by the invention can be used as an additive and also can be used as a salt in the electrolyte. The material can be applied to liquid batteries, solid-liquid hybrid batteries, semi-solid batteries, gel batteries, quasi-solid-state batteries and all-solid-state batteries, and is helpful for improving the energy density and the cycle stability of the batteries and prolonging the service life of the batteries. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved.

The invention relates to an electrolyte containing a saturated carbocyclic sulfur-based organic salt, and a preparation method and application thereof. The electrolyte comprises the saturated carbocyclic sulfur-based boron trifluoride organic salt represented by the following general formula I. In the general formula I, a saturated ring is represented, and atoms forming the saturated ring are carbon; m is a metal cation; e1 and E2 are independently null, a group, a chain structure or a ring-containing structure; r is a substituent group and represents that any H on a ring can be substituted by the substituent group, the substituent group can replace one H or two or more H, and if two or more H are substituted, the substituent groups can be the same or different. The boron trifluoride organic salt can be used as an additive and a salt in an electrolyte, can be applied to a liquid battery, a solid-liquid hybrid battery, a semi-solid battery, a gel battery, a quasi-solid battery and an all-solid-state battery, and is beneficial to improving the energy density and the cycle stability of the battery and prolonging the service life of the battery. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved.

The invention relates to an unsaturated carbon chain sulfur-based electrolyte and a preparation method and application thereof, the electrolyte comprises the following general formula I: in the general formula I, R or R1 is independently null or a first chain; r2 and R3 are independently null or a second chain; m is a metal cation; the first chain and the second chain are carbon chains; substituent groups can be connected to the first chain and the second chain; the first chain, the second chain and the chain substituent at least contain one unsaturated bond. The boron trifluoride salt can be used as an additive and a salt in an electrolyte, and can be used as a single-ion conductor polymer electrolyte and a high-molecular skeleton after being polymerized for a polymerizable monomer. The boron trifluoride salt provided by the invention can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery, and is beneficial to improving the energy density and the cycle stability of the battery and prolonging the service life of the battery. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved.

The invention relates to a ternary electrolyte containing unsaturated carbon chains and preparation and application thereof, the electrolyte comprises boron trifluoride salt represented by a general formula I: in the general formula I, R, R1 or R4 are independently a first chain without or containing at least one atom; r, R1 and R4 are not none at the same time; any one atom of R, R1, R2, R3 or R4 is connected with-R5-OBF3M, and-R5-OBF3M is connected to any one atom of R, R1, R2, R3 or R4; r2, R3 or R5 are independently a second chain free of or containing at least one atom; m is a metal cation; the first chain and the second chain are carbon chains; h on any C in the first chain and the second chain can be independently substituted by a substituent group, and the first chain, the second chain and the chain substituent group at least contain one unsaturated bond. The boron trifluoride salt can be used as an additive in a battery and a polymeric monomer in a polymer electrolyte, can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery, and has a good effect.

The invention relates to an electrolyte containing a saturated heterocyclic ring and preparation and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I: wherein the saturated heterocyclic ring contains at least one heteroatom; the heteroatom is selected from S, N, O, P, Se, Ca, Al, B or Si; m is a metal cation; e1 and E2 are independently null, a group, a chain structure or a ring-containing structure; r is a substituent group and represents that any H on a ring can be substituted by the substituent group, the substituent group can replace one H or two or more H, and if two or more H are substituted, the substituent groups can be the same or different. According to the electrolyte disclosed by the invention, two-OBF3M are creatively compounded in one compound, so that the electrolyte can be used as an electrolyte salt and an additive, and the effect is good.

The invention relates to a ternary unsaturated carbocyclic boron trifluoride salt electrolyte and a preparation method and application thereof, the electrolyte comprises a boron trifluoride salt represented by the following general formula I: in the general formula I, a carbocyclic ring containing at least one unsaturated bond is represented; m is a metal cation; e4 is a chain without or containing at least one atom; -E2-OBF3M is connected to any one atom in E4 or an unsaturated carbon ring; e1, E2 and E3 are independently null, a chain structure containing at least one atom or a structure containing a ring; r is a substituent group and represents that any H on a ring can be substituted by the substituent group. The boron trifluoride salt provided by the invention can be used as an additive in a battery, and can be used as a single ion conductor and a polymer framework after being polymerized for a polymerizable monomer. And the electrolyte can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid battery and an all-solid battery, and has a good effect.

The invention provides an electrolyte containing monooxy boron trifluoride salt as well as a preparation method and application thereof, and the electrolyte comprises boron trifluoride salt with a structure as shown in a general formula I. The electrolyte provided by the invention can be used as a functional additive to form a passive film on the surface of an electrode to prevent the electrode from decomposing all components of the electrolyte; the salt can be used as a main salt, is mainly used for providing transmittable ions for a battery, and is secondarily used for forming a passivation film on the surface of an electrode; the polymer electrolyte can be subjected to in-situ / ex-situ polymerization to form a single-ion conductor polymer electrolyte and a polymer skeleton for application, and provides high ionic conductivity, high electrochemical stability and excellent mechanical properties for batteries. Therefore, the battery prepared from the electrolyte has excellent long cycle stability, long battery life, low raw material price and good economic benefit.

The invention relates to a boron trifluoride salt electrolyte containing an unsaturated heterocyclic ring and preparation and application thereof, the electrolyte comprises a boron trifluoride salt represented by the following general formula I: R'represents the unsaturated heterocyclic ring, and the unsaturated heterocyclic ring at least contains one heteroatom and at least contains one unsaturated bond at the same time; the heteroatom is selected from S, N, O, P, Se, Ca, Al, B or Si; m is a metal cation; e1 and E2 are independently null, a group, a chain structure or a ring-containing structure; r is a substituent group and represents that any H on a ring can be substituted by the substituent group, the substituent group can replace one H or two or more H, and if two or more H are substituted, the substituent groups can be the same or different. According to the electrolyte disclosed by the invention, two-OBF3M are creatively compounded in one compound, and preferably, OBF3M is connected with a carbon atom C. The boron organic compound can be used as an electrolyte salt and an additive, and has a good effect.

The invention relates to a sulfenyl boron trifluoride salt electrolyte containing an unsaturated heterocyclic ring and a preparation method and application thereof, the electrolyte comprises a boron trifluoride salt represented by the following general formula I: R'represents the unsaturated heterocyclic ring, and the unsaturated heterocyclic ring at least contains one heteroatom and at least contains one unsaturated bond at the same time; m is a metal cation; e1 and E2 are independently null, a group, a chain structure or a ring-containing structure; r is a substituent. The boron trifluoride salt provided by the invention can be used as an additive and a salt in the electrolyte, and can be used as a single-ion conductor polymer electrolyte and a high-molecular skeleton after being polymerized for a polymerizable monomer. The boron trifluoride salt provided by the invention can be applied to a liquid battery, a solid-liquid hybrid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery, and is beneficial to improving the energy density and the cycle stability of the battery and prolonging the service life of the battery. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved.

The invention relates to a ternary electrolyte containing an unsaturated heterocyclic ring and a preparation method and application thereof, the electrolyte comprises boron trifluoride salt represented by the following general formula I: in the general formula I, the boron trifluoride salt represents the unsaturated heterocyclic ring, and the unsaturated heterocyclic ring at least contains one heteroatom and at least contains one unsaturated bond at the same time; the heteroatom is selected from S, N, O, P, Se, Ca, Al, B or Si; m is a metal cation; e4 is a chain without or containing at least one atom; -E2-OBF3M is connected to any one atom in E4 or an unsaturated heterocyclic ring; e1, E2 and E3 are independently null, a chain structure containing at least one atom or a structure containing a ring; r is a substituent. The boron trifluoride salt provided by the invention can be applied as an additive in a battery and can also be applied as a single-ion conductor polymer electrolyte and a polymer skeleton, and the electrolyte can be applied to a liquid battery, a mixed solid-liquid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery and has a good effect.

The invention relates to a sulfenyl unsaturated heterochain boron trifluoride salt electrolyte and a preparation method and application thereof, the electrolyte comprises the following general formula I: in the general formula I, R or R1 is independently none or one chain, and R and R1 are not none at the same time; r2 and R3 are independently null or a second chain; m is a metal cation; the first chain, the second chain and the chain substituent contain at least one heteroatom and at least one unsaturated bond. The boron trifluoride salt can be used as an additive and a salt in an electrolyte, and can be used as a single-ion conductor polymer electrolyte and a high-molecular skeleton after being polymerized for a polymerizable monomer. The structure can be applied to a liquid battery, a solid-liquid hybrid battery, a semi-solid battery, a gel battery, a quasi-solid-state battery and an all-solid-state battery, and is helpful for improving the energy density and the cycle stability of the battery and prolonging the service life of the battery. The raw materials are low in price, the synthesis process is simple, and good economic benefits are achieved.