39results about How to "Increase power storage" patented technology

Deterioration of a power storage device is reduced. Switches that control the connections of a plurality of power storage devices separately are provided. The switches are controlled with a plurality of control signals, so as to switch between charge and discharge of each of the power storage devices or between serial connection and parallel connection of the plurality of power storage devices. Further, a semiconductor circuit having a function of carrying out arithmetic is provided for the power storage devices, so that a control system of the power storage devices or a power storage system is constructed.

An uninterruptible power supply (UPS) provides DC output power and uses a plurality of relatively low power DC / DC converters which are of much higher efficiency and lower heat dissipation than inverters normally used in UPS devices to provide AC output power. Power is stored at high voltage in capacitors to provide output power when input power may be interrupted. Since the power dissipation is reduced and use of batteries can be avoided where redundant input power sources are available, the UPS made be made very compact and of light weight as is particularly suited to mobile machinery such as aircraft, water-borne vehicles and the like.

In the field of portable electronic devices in the future, portable electronic devices will be desired, which are smaller and more lightweight and can be used for a long time period by one-time charging, as apparent from provision of one-segment partial reception service “1-seg” of terrestrial digital broadcasting that covers the mobile objects such as a cellular phone. Therefore, the need for a power storage device is increased, which is small and lightweight and capable of being charged without receiving power from commercial power. The power storage device includes an antenna for receiving an electromagnetic wave, a capacitor for storing power, and a circuit for controlling store and supply of the power. When the antenna, the capacitor, and the control circuit are integrally formed and thinned, a structural body formed of ceramics or the like is partially used. A circuit for storing power of an electromagnetic wave received at the antenna in a capacitor and a control circuit for arbitrarily discharging the stored power are provided, whereby lifetime of the power storage device can be extended.

The invention discloses a carbon nanotube, and a preparation method and an application thereof. The carbon nanotube is a heteroatom-doped carbon nanotube, the mass ratio of heteroatoms is 3%-6%, the surface of the carbon nanotube has a mesoporous structure, the mesoporous average pore size is 2 nm-9 nm, and the specific surface area of the carbon nanotube is 150 m<2> / g-1200 m<2> / g. The preparation method comprises the following steps: (1) evenly mixing the carbon nanotube with an etching agent, and making the mass ratio be 1:3 to 1:5; (2) under an oxygen isolated condition, heating up to 500 DEG C-900 DEG C, and calcining for 1 h-3 h; (3) washing and drying; and (4) carrying out heteroatom doping. The specific surface area of the carbon nanotube can be improved, the catalytic activity of the carbon nanotube is increased, and the carbon nanotube has the advantages of simple process and low cost, and is applied to preparation of electrocatalysts having good performance.

The invention relates to an unmanned helicopter continuous voltage-stabilizing power supply system with an engine air restarting function, which comprises at least one generator, at least one generator control box, a distribution network, at least one equipment battery, at least one starting battery, a second electromagnetic relay, a third electromagnetic relay and a main control box, wherein the generator is driven by an unmanned helicopter engine to supply voltage; the generator control box is connected with the generator; the distribution network is connected to the generator through a transmission line to receive the voltage generated by the generator; the equipment battery is connected to the distribution network through the transmission line; the starting battery is connected to the distribution network through a first electromagnetic relay; the second electromagnetic relay is used for switching on or switching off the connection of the generator control box and the distribution network; the third electromagnetic relay is used for switching on or switching off a starter; and the main control box is connected with the first electromagnetic relay, the second electromagnetic relay and the third electromagnetic relay, receives the instruction of an airborne management computer connected with the main control box, and amplifies the current to drive each electromagnetic relay.

The invention provides comprehensive energy source router equipment and an energy source conversion method. The equipment comprises a mini-type gas turbine engine, a residual heat power generation device, a power storage device, a heat storage device and the like, wherein the residual heat power generation device is used for absorbing residual heat in high-temperature flue gas obtained by combustion of the mini-type gas turbine engine and carrying out an organic Rankine cycle; and the energy source conversion method comprises a mode of fixing power based on heat, a mode of fixing heat based onpower and an automatic power and heat adjusting mode. Therefore, the invention provides the comprehensive energy source router equipment which contains solar power generation, wind power generation,energy storage and organic Rankine cycle systems and a traditional combined cold, heat and power supply system; energy sources can be mutually interconnected and transformed through a comprehensive energy source coupling model, so that electric energy and heat energy can be very flexibly distributed; three optimization targets of economic cost, energy source consumption and pollution emission areestablished; and compared with a traditional energy source network, the equipment provided by the invention can be used for greatly increasing the comprehensive utilization efficiency of energy sources and reducing the emission of pollutants, so that the economic benefits are improved.

A motor drive system includes: a flywheel; a servomotor for buffer which includes a plurality of independent windings and allows the flywheel to rotate; a plurality of inverters for buffer respectively connected to the windings; a plurality of converters respectively connected to the DC links; inverters for drive which perform power conversion between a DC power in the DC links and an AC power which is a drive power or a regenerative power of the servomotor for drive; and a motor control unit for buffer configured to control driving of the servomotor for buffer by controlling power conversion of the respective inverters for buffer respectively connected to the windings.

The invention provides a new energy hybrid power supply system for a high-altitude unmanned aerial vehicle, and belongs to the field of aerospace vehicle energy systems. The new energy hybrid power supply system for the high-altitude unmanned aerial vehicle includes a solar cell module, a fuel cell module, a storage battery module, a one-way DC / DC power source converter, a two-way DC / DC power source converter, and an unmanned aerial vehicle energy monitoring module; the solar cell module and the fuel cell module are connected to the one-way DC / DC power source converter; the storage battery module is connected to the two-way DC / DC power source converter; the two-way DC / DC power source converter is connected to the one-way DC / DC power source converter; the one-way DC / DC power source converter is connected to a drive motor and other electrical devices of the high-altitude unmanned aerial vehicle; and the solar cell module, the fuel cell module, and the storage battery module are connectedto the unmanned aerial vehicle energy monitoring module.

The invention provides a preparation method of a steel shell button cell, and the steel shell button cell. The preparation method of the steel shell button cell comprises the following steps of stacking the upper cover plate, the pressure relief insulating sheet and the negative electrode contact sheet in sequence; carrying out hot pressing operation on the upper cover plate, the pressure relief insulation sheet and the negative electrode contact sheet; welding the positive electrode lead with the lower shell, and welding the negative electrode lead with the negative electrode contact piece; acore body of the winding type battery core assembly being placed in a lower shell cavity of the lower shell, the lower shell being covered with the top cover assembly, and the pressure relief insulation sheet and the negative electrode contact sheet being located on the side, away from the lower shell, of the upper cover plate; and welding the upper cover plate and the lower shell to obtain the steel shell button cell. The method is advantaged in that the pressure relief insulating sheet is respectively bonded with the upper cover plate and the negative electrode contact sheet, and when the temperature and the air pressure reach higher values, the pressure relief insulating sheet is heated to slightly deform, and internal air can flow out, so the pressure relief of the battery is completed, and explosion caused by internal short circuit of the battery is prevented.

The invention discloses a machine mainly used for storing and releasing kinetic energy when a bus is braked and started. The machine includes a flywheel (2) and a power input / output shaft (6); the flywheel (2) is in transmission linkage with the power input / output shaft (6) through a friction clutch (8); an overrunning clutch (10) and an electric motor (1) are arranged beside the flywheel (2); and the flywheel (2) is in transmission linkage with the electric motor (1) through the overrunning clutch (10). When the machine is used by a vehicle, such as the bus, etc., the driving kinetic energy of the vehicle can drive the flywheel (2) to turn faster through braking; after braking, the electric motor (1) further accelerates the flywheel (2) to a high speed by the overrunning clutch (10) when the friction clutch (8) is separated for stopping the vehicle; and the stored kinetic energy and electric energy can be passed from the flywheel (2) to the vehicle for starting the vehicle. Compared with other similar machines, the machine has the advantages that the vehicle can use cheap and renewable electrical energy when the vehicle is started; the effects of saving oil and reducing pollutant are obvious; and the machine is simple, reliable, and low in cost. Therefore, the machine is easy to popularize and apply.

The invention provides a button cell packaging structure and a button cell. The button cell packaging structure comprises a shell, a top cover assembly and a negative electrode connecting assembly. The shell is provided with an installation cavity and a shell opening, and the installation cavity is communicated with the shell opening. The top cover assembly comprises a cover body, the cover body is welded to the shell so that the cover body can cover the opening of the shell, and a cover hole is formed in the cover body. The negative electrode connecting assembly comprises an insulating separator and a negative electrode contact piece, the insulating separator comprises an insulating spacer and an insulating protruding part, the insulating spacer is provided with a first through hole, theprotruding part is provided with a second through hole, the insulating spacer is connected with the insulating protruding part, and the first through hole is communicated with the second through hole.Due to the fact that the cover body and the shell are welded, the installation cavity is in a fully-closed state, compared with a traditional mechanical packaging mode, a mechanical packaging structure does not need to be additionally arranged, the installation cavity can be used for installing a battery cell with larger electric quantity, the power supply storage capacity of the button cell is effectively improved, and miniaturization development of the button cell is facilitated.

In order to achieve a novel power storage device having high-speed charge / discharge and a high capacity density, an electrode which is used in the power storage device, and a porous sheet, the present invention provides a power storage device which includes an electrolyte layer 3, and a positive electrode 2 and a negative electrode 4 that are arranged with the electrolyte layer 3 interposed therebetween, wherein at least one of the positive electrode 2 and the negative electrode 4 contains a self-doping electrically conductive polymer having a carboxylic acid group.

The invention discloses a preparation method of a nanometer nickel protoxide-nickel-silicon alloy lithium ion battery negative electrode material and belongs to the technical field of preparing lithium ion battery electrode material. The feature of the lithium battery negative electrode material is that the lithium battery negative electrode material has a highly-ordered micro-nano silicon micro-channel substrate, and an excellent conductive NiSi layer electric charge collecting layer, and a NiO nanometer active layer has large specific surface area and an electrode orderly porous channel is suitable for an electrolyte solution to immerge. The preparation method of the battery cathode material is highly compatible with a traditional integrated circuit manufacturing process, and mainly comprises three main processes of etching to form the highly-ordered micro-nano silicon micro-channel substrate by using a photoinduced low temperature electrochemical pulse voltage wet method, depositing metallic nickel via an electroless plating process and rapid thermal annealing and oxidizing. The highly-ordered three-dimensional micro-nano porous NiO / Si-MCP (nickel protoxide / silicon microchannel) negative electrode material has excellent physical and electrochemical support for immerging the electrolyte, transporting charges and embedding and de-embedding lithium ions, and could be used for preparing the integratable lithium ion battery electrode material.

The invention provides a solar power ship. The solar power ship is used for solving technical problems. The solar power ship comprises a ship body with a ceiling, and a solar cell assembly is arranged on the ceiling. The solar power ship is characterized in that side wing supports and supporting bases movably connected with the lateral wing supports are installed on the sides of the ceiling, side wing solar cell assemblies are arranged on the side wing supports, a lifting control assembly is installed on the ceiling, and connecting parts are connected between the lifting control assembly and the side wing supports and enable the side wing supports to be unfolded or folded under working of the lifting control assembly. Electric upward-turning devices are additionally arranged on the two sides of the solar cell assembly to unfold the side wing solar cell assemblies which are on the same horizontal plane with the solar cell assembly on the ceiling. By increasing daylighting area, power storage, power supply and duration capacity is improved, the normal running time of the solar power ship is guaranteed, and supporting mechanisms of the side wing solar cell assemblies guarantee the stability and safety of the side wing solar cell assemblies after unfolding.

The invention relates to a high-capacity lithium battery with a high-energy-density multi-pole column structure and relates to the technical field of lithium batteries. The lithium battery comprises ashell filled with an electrolyte and a battery core body arranged in the shell, wherein the battery core body is formed by alternately stacking more than two rectangular sheet-shaped positive plates,negative plates and a plurality of first diaphragms; coating-free base half surface ends of the positive plates and the negative plates of the battery core body are arranged in opposite directions; each positive plate and each negative plate of the battery core body are bound through beamheads with polecolumns; and the shell includes a battery shell with an opening in one side and a cover plate for covering the opening of the battery shell, a plurality of through holes are arranged in the shell, and axes of the polecolumns ofthe beam heads with polecolumns are arranged in a thickness direction of the shell and extend out of the shell through the through holes respectively. By using the novel lithium battery, when a high-energy density material is provided, an occupied space is small, andan effect of bearing high-current input and output can be achieved.

The invention provides an electric power assisted bicycle with flexible solar panel power generation. The electric power assisted bicycle comprises a solar absorber cover, storage box, control switchand USB charging hole. A bicycle frame is disposed on the bicycle body; a front wheel is fixed on the front bottom bolt of the frame, and a handlebar is welded and fixed on a top side of the frame rotating shaft on the upper side of the front wheel, and a control switch is fixed on one side of the handlebar; a storage box is welded to the front side of the beam of the frame; a rear wheel is fixedto the bottom bolt of the frame; a storage box is fixedly disposed on the upper frame of the rear wheel; the upper side of the storage box is fixedly mounted with a solar absorption cover through a fixing frame. The electric power assisted bicycle with flexible solar panel power generation is provided with a solar absorption cover designed in a rotating laminated structure of curved pieces. The rotatable switch can be stored and used, which facilitates the storage and use of the solar absorption cover, thereby effectively increasing the adjustment performance.

The invention discloses a single-layer PVDF battery diaphragm and a preparation method thereof. The PVDF battery membrane comprises a base membrane, a ceramic layer arranged at the lower end of the base membrane and a PVDF coating layer coated at the upper end of the base membrane. The PVDF coating is prepared from the following raw materials in parts by mass: 0.5 to 3.0 Kg of polyvinylidene fluoride W # 8500, 3 to 6.5 Kg of a polyvinylidene fluoride-hexafluoropropylene copolymer, 200 to 400 Kg of acetone, 7.5 to 15 Kg of n-propanol, 6 to 15 Kg of dimethyl carbonate, 1 to 8 Kg of cyclohexane and 0.5 to 2 Kg of isopropanol. The single-layer PVDF battery diaphragm is small in thermal deformation and good in thickness uniformity. The gel electrolyte plays a role in bonding, and the lithium ion conduction performance is good. The battery is good in hardness and integrally bonded, and the pole piece and diaphragm interface is stable. The gel locks the electrolyte, so that the middle and later period circularity is good. Compared with oily double-sided coating, the coating is thinner. The liquid content is increased under the same volume. The wettability is good. The electricity storagecapacity is obviously improved, and the safety coefficient is obviously improved.

A lithium ion battery includes a positive electrode, a negative electrode and a separator. The positive electrode includes a first current collector, a positive electrode active material layer, and afirst carbon material layer between the first current collector and the positive electrode active material layer; the negative electrode includes a second current collector, a negative electrode active material layer, and a second carbon material layer disposed between the second current collector and the negative electrode active material layer, the separator is interposed between the positive electrode and the negative electrode, wherein the first carbon material layer and the second carbon material layer are respectively a graphene layer, the graphene layer has a diameter with La value of 1mu m to 50 m um detected by Raman spectroscopy, and the number of layers of the graphene layer is between 1 and 10.

The invention discloses an electronic coded lock low-electric-quantity stable locking method and an electronic coded lock low-electric-quantity stable locking device. With the adoption of the method,a coded lock is powered through a backup power source, and a power source is cut in time, so that the safety of the coded lock can be ensured effectively; the device comprises a power source detectioncontrol panel and the backup power source; the power source detection control panel comprises voltage signal collection circuits connected in parallel, current signal collection circuits connected inseries, a power source output control circuit and a power source charging circuit; detection, control and outage compensation of working voltage are achieved through a positive electrode connected into the power source in series; and the problem that the electronic coded lock can not be locked due to low power or man-made outage after being unlocked is solved.

A ventilation and heat dissipation type energy storage solar photovoltaic panel disclosed by the present invention comprises a fixed substrate, a cross rod, a U-shaped frame, a fixed plate and a solar photovoltaic panel, supporting columns are longitudinally and symmetrically arranged on the left side of the end face of the fixed substrate, and movable connection supporting seats are movably arranged on the supporting columns through pin shafts; adjusting mechanisms are symmetrically arranged on the right side of the end face of the supporting stand column in the longitudinal direction, wind power of natural wind is blown into the air inlet channel, self-rotating heat dissipation fan blades arranged in the air inlet channel are made to rotate automatically under the action of the wind power, and therefore the self-rotating heat dissipation fan blades generate heat dissipation wind power to be blown to heat dissipation copper fins, and heat dissipation efficiency is improved. The solar photovoltaic panel heat dissipation device has the function of quickly blowing away and diffusing high temperature generated by the solar photovoltaic panel adsorbed by the solar photovoltaic panel to the outside, heat dissipation of the solar photovoltaic panel does not need to be conducted by means of electric energy equipment, then the solar photovoltaic panel achieves the energy-saving and environment-friendly ventilation and heat dissipation functions, and the problem of electric energy consumption and waste is further avoided.

The invention relates to the field of preparation of electrode materials and super-capacitors, in particular to a reparation method of high-tap-density electrode materials. According to the method, bythe aid of a static ultrahigh pressure device, the electrode materials are processed under a vacuum condition, the tap density and the distribution uniformity of power battery active materials are remarkably improved, the sticking firmness of the active materials and substrates is enhanced, a deformation coefficient of the substrates and the falling off rate of the active materials such as carbonpowder in the use process are reduced, the energy density and the charge capacity of power batteries are effectively improved, stored energy attenuation of the power batteries is decreased in the useprocess, the service lives of the batteries are prolonged, and environmental pollution is reduced.

A controller includes a data accumulation unit that obtains data of an amount of electric power consumed in a residence and accumulates the obtained data a representative pattern creation unit that creates a representative pattern based on the data accumulated in the data accumulation unit, the pattern representatively indicating how the electric power storage device varies in state of charge for its discharging period and a limit value determination unit that determines a limit value to correspond to the pattern.

The invention belongs to the technical field of unmanned ships, and particularly relates to a hybrid power unmanned ship. The hybrid power unmanned ship comprises a water-jet propeller and a motor connected with the water-jet propeller; the hybrid power unmanned ship further comprises a solar energy converting structure, a wind energy converting structure, a wave energy converting structure and adiesel power generation structure, and the solar energy converting structure, the wind energy converting structure, the wave energy converting structure and the diesel power generation structure are fixed on the unmanned ship; a ship body is provided with an electric energy converting device which is connected with the wind energy converting structure and the wave energy converting structure and an electricity storage device connected with the electric energy converting device, and the electricity storage device is connected with the motor; the solar energy converting structure is connected with the electricity storage device; the diesel power generation structure is connected with the motor. According to the hybrid power unmanned ship, through the solar energy converting structure, the wind energy converting structure and the wave energy converting structure, solar energy, wind energy and wave energy are converted into electric energy in sequence to supply power to the motor, thus power is provided for the water-jet propeller, and the battery life of the unmanned ship is prolonged; when the electric quantity is about to be used up, the diesel power generation structure continues to supply power to the motor, and the battery life of the unmanned ship is further prolonged.

The invention discloses a composite wind energy collector. The problem of wind energy collection is solved. The composite wind energy collector comprises a bottom plate, a guide plate is fixedly installed on the upper surface of the bottom plate, supporting plates are fixedly installed at the lower ends of the left side face and the right side face of the guide plate, and first generators are fixedly installed on the upper surfaces of the supporting plates; and a first rotating shaft is installed on each first generator, a first wind speed cup is fixedly installed at the top end of each first rotating shaft, a first connecting plate is fixedly installed at the top end of the right side face of the guide plate, a supporting rod is fixedly installed on the right side of the upper surface of the first connecting plate, and a solar cell panel is fixedly installed at the top end of the supporting rod. Natural wind power and solar energy are used for powering on motors, a sliding plate can be used for enhancing the wind power under the action of the motors, and the storage capacity of electric energy is further enhanced.

The invention relates to the field of preparation of electrode materials and super-capacitors, in particular to a reparation method of high-tap-density electrode materials. According to the method, bythe aid of a static ultrahigh pressure device, the electrode materials are processed under a vacuum condition, the tap density and the distribution uniformity of power battery active materials are remarkably improved, the sticking firmness of the active materials and substrates is enhanced, a deformation coefficient of the substrates and the falling off rate of the active materials such as carbonpowder in the use process are reduced, the energy density and the charge capacity of power batteries are effectively improved, stored energy attenuation of the power batteries is decreased in the useprocess, the service lives of the batteries are prolonged, and environmental pollution is reduced.

The invention discloses a triangular new energy power battery structure and a manufacturing method thereof. The triangular new energy power battery structure comprises a cylinder body, a battery cell, a rubber ring, an anti-explosion sheet, a top cover, a pore plate and a gasket, the barrel body is a triangular column body and is provided with a containing space with an upward opening, and the containing space is in a triangular column shape; the battery cell is matched with the accommodating space and is embedded in the accommodating space; the rubber ring is triangular and matched with the opening of the containing space, the rubber ring seals the opening of the containing space, a concave cavity is formed in the surface of the rubber ring in a concave mode, the concave cavity is triangular, and a through hole communicated with the containing space is formed in the bottom face of the concave cavity. The triangular power battery is composed of the cylinder body, the battery core, the rubber ring, the anti-explosion sheet, the top cover, the pore plate and the gasket, the overall structure is stable, more than 30% of space can be saved compared with a round new energy battery when the triangular power battery is arranged in a battery box, the electricity storage capacity of the battery box is increased, and the use requirement is met.