44results about "Cell preserving/storage" patented technology

There is disclosed a method of and an arrangement for dismantling and storage of objects comprising alkali metal containing substances, in particular lithium containing batteries, in the presence of a protective atmosphere, wherein the protective atmosphere is carbon dioxide. The arrangement comprises a gas-tight chamber for bringing the objects under a protective environment, and a gas-tight chamber for dismantling the objects within the protective atmosphere of carbon dioxide gas.

Electrochemical cell systems are disclosed herein that are capable of selective ionic isolation, oxidant isolation, oxidant removal, moisture control, and combinations thereof. Selective ionic isolation is generally effectuated by selectively eliminating or minimizing ionic communication between an anode and a cathode of the electrochemical cell.

A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS2) and carbon particles. The electrolyte comprises a lithium salt preferably lithium iodide (LiI) dissolved in an organic solvent mixture. The solvent mixture preferably comprises dioxolane and dimethoxyethane. The electrolyte typically contains between about 100 and 2000 parts by weight water per million parts by weight (ppm) electrolyte therein. The anode may be lithium metal or preferably is a lithium alloy. A cathode slurry is prepared comprising iron disulfide powder, carbon, binder, and a liquid solvent. The mixture is coated onto a conductive substrate and solvent evaporated leaving a dry cathode coating on the substrate. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.

The present invention relates to a protected and portable battery storage system and method of use. One embodiment relates a portable battery storage system, including a plurality of batteries and a plurality of sealed pouches. The batteries are shaped in a coin or disc configuration. The sealed pouches are interconnected to one another in a strip configuration. The batteries are positioned within a non-conductive internal region of each sealed pouch that protects them from damage and incidental short-circuiting. The non-conductive internal regions of the sealed pouches are sealed air-tight from the exterior via a lamination closure. The sealed pouches further include an individual opening system to allow a user to open a single sealed pouch for removal of the corresponding battery. One particular opening system includes a notch to facilitate hand-tearing of the sealed pouch. An alternative opening system includes utilizing a resealable opening system such as a ZIPLOC closure. A second embodiment of the present invention relates to dimensionally reducing a battery storage system by rolling or folding a plurality of sealed pouches coupled together in a strip configuration.

The present invention provides a fiber-reinforced aerogel material which can be used as insulation in thermal battery applications. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used in thermal battery applications. The fiber-reinforced aerogel insulation material can be as thin as 1 mm less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a thermal battery by incorporating a reinforced aerogel material into the thermal battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.

The invention belongs to the technical field of chemical batteries, and particularly relates to an anticorrosive electrolyte of a lithium battery and an obtained lithium primary battery. The anticorrosive electrolyte of the lithium battery comprises an organic solvent and an electrolyte, wherein the electrolyte is a mixed lithium salt; and the mixed lithium salt comprises lithium bis(trifluoromethanesulfonyl ) imide LiTFSI, lithium bis(oxalatoe ) borate LiBOB and lithium perchlorate. The lithium salt with a good anticorrosive effect and good heat stability is added to the electrolyte, so that the problems that aluminum foil is corroded and the battery is short in service life and poor in safety due to use of a high-conductivity fluorine-containing lithium salt are solved on the basis of not reducing the capacity of the battery and the protection effect on the aluminum foil. In addition, the electrolyte provided by the invention is suitable for the electrolytes, such as lithium / manganese dioxide (Li / MnO2), lithium / iron disulfide (Li / FeS2), lithium / copper oxide (Li / CuO), lithium / fluorinated carbon [Li / (CF)x], used for the lithium primary battery, and has the advantages of high applicability, a wide range and the like.

A primary zinc air battery includes a case, an air inlet, an air outlet, a plurality of primary zinc air cells, an electric socket and a fan. Both the air inlet and the air outlet are disposed on the case. The primary zinc air cells are disposed in the case and are electrically connected to each other. The electric socket is disposed on the case and is electrically connected to the primary zinc air cells. The fan is disposed in the case.

Electrochemical cell systems are disclosed herein that are capable of selective ionic isolation, oxidant isolation, oxidant removal, moisture control, and combinations thereof. Selective ionic isolation is generally effectuated by selectively eliminating or minimizing ionic communication between an anode and a cathode of the electrochemical cell.

A rechargeable battery, and more particularly, a rechargeable battery having a function of detecting water contact. The area for detecting water contact is formed on the rechargeable battery or its component parts by applying water-soluble ink on a surface thereof. It is straightforward to form such a rechargeable battery and to easily determine whether the rechargeable battery or its component parts have been in contact with water.

The invention discloses a soft cell-packaged battery. The soft cell-packaged battery comprises an upper cover, a soft cell, a lower cover and a support, wherein the soft cell-packaged battery comprises a soft cell body, a first lead and a second lead, the end portions of the first lead and the second lead are arranged on the lower portion of the circumference of the soft cell body, and the free ends of the end portions of the first lead and the second lead extend outwards; the soft cell package is arranged inside the support, the free end of the first lead is fixedly connected to the upper cover or the lower cover, the free end of the second lead is fixedly connected with the lower cover or the upper cover, the upper cover is fixedly connected in a sealed mode to the top of the support, the support is arranged inside the lower cover, and the upper end of the circumference of the lower cover abuts against the outer circumferential wall of the upper end of the support. The soft cell-packaged battery reduces the risks of corrosion of the upper cover and the lower cover as well as leakage of electrolytes, prolongs the service life and meanwhile avoids potential risks of short circuit,thereby improving safety, avoiding producing electromagnetic interference signals, avoiding electromagnetic interference to products applying the soft cell-packaged battery, and further improving theproduct quality and user experience.

This invention provides systems and methods for treating electrodes used in batteries and electrochemical cells upon battery / cell shutdown and prior to battery standby mode. Systems and methods of this invention are directed toward the use of aerosol to treat the electrode and to protect the electrode and / or the environment from undesired reactions.

The present invention relates to adhesive-based battery isolation systems and methods of use. Embodiments of the present invention include utilizing one or more adhesive members to electrically isolate a used battery or electrical storage device such that it may be positioned back within an open package for storage without exposure to moisture. One embodiment of the present invention relates to an electrical storage and isolation system including an electrical storage device, a storage compartment, and at least one adhesive member. The storage compartment may be any form of storage compartment with a releasable opening such as conventional retail plastic package or a flexible retort type package. The system may include one or more adhesive members for use in electrically isolating an electrical storage device.

An alkaline dry battery of this invention includes: a positive electrode including at least one of a manganese dioxide powder and a nickel oxyhydroxide powder; a negative electrode including a zinc alloy powder; a separator interposed between the positive electrode and the negative electrode; an alkaline electrolyte; and a battery case for housing the positive electrode, negative electrode, the separator, and the alkaline electrolyte. The negative electrode further includes a surfactant that adsorbs to a surface of the zinc alloy powder during a non-discharge period and promptly desorbs from the surface of the zinc alloy powder upon start of discharge without impeding ion transfer in the alkaline electrolyte.

A battery pack for battery-operated hand power tools has a housing, a plurality of battery cells arranged in the housing and containing an electrolyte, a material arranged in the housing and capable of absorbing the electrolyte which escapes from the battery cells, the material being a material which chemically reacts with the electrolyte or parts of the electrolyte to form one or several such compounds which substantially are not damaging for humans and / or environment.

This invention provides a shutdown system and methods for battery shutdown followed by a standby mode using a washing solution controlled by pH such that the electrode remains stable.

The invention discloses a constant temperature and isopiestic pressure type thermal battery electric performance test system and a test method thereof. The test system comprises an electric performance test system and a test device arranged inside a glove box, wherein the test device comprises a constant temperature and isopiestic pressure system and a thermal battery assembly system which are matched with each other; the constant temperature and isopiestic pressure system comprises a first heating furnace plate and a second heating furnace plate between which a gap is formed; the first heating furnace plate is connected with a pressure machine, and the thermal battery assembly system is arranged between the first heating furnace plate and the second heating furnace plate; the thermal battery assembly system comprises a conducting clamp which is positioned between the first heating furnace plate and the second heating furnace plate and is electrically connected with the electric performance test system; and the conducting clamp is internally provided with a thermal battery. According to a single thermal battery discharge system and the test method disclosed by the invention, the disadvantages of an existing single thermal battery discharge test system are overcome, the thermal battery can be activated quickly, the system has relatively ideal single thermal battery discharge conditions, and the uniformity of single thermal battery discharge can be improved greatly.

The invention relates to an additive of an alkaline aluminum-air battery electrolyte with a fluorescent effect. The additive of the electrolyte comprises the following components: 8-hydroxyquinoline and zinc oxide. A molar ratio of the 8-hydroxyquinoline to the zinc oxide is 2.5-10.0 : 1.0-8.0. Compared with the prior art, the additive disclosed by the invention has the advantages that the hydrogen evolution self-corrosion of the positive electrode of the aluminum-air battery is effectively suppressed; the discharge capacity and the positive electrode utilization rate of the aluminum-air battery are improved; a basis is provided for real-time corrosion monitoring of the aluminum-air battery; and the additive has an important significance for commercial application of the aluminum-air battery.

A negative electrode for an alkaline battery cell which includes zinc-based particles, wherein less than 20% of the zinc-based particles, by weight relative to the total zinc in the electrode, have a particle size of greater than about 150 micrometers, is provided. An alkaline electrochemical cell that includes the negative electrode and a method for reducing the gassing of the electrochemical cell is also provided.

An alkaline dry battery includes a positive electrode, a negative electrode, a separator, and an alkaline electrolyte. The separator is provided between the positive electrode and the negative electrode, and the positive electrode, the negative electrode, and the separator are impregnated with the alkaline electrolyte. A battery depolarizer, which is an organic compound having a function of depolarizing both the positive electrode and the negative electrode or an alkaline metal salt thereof, is added to at least the alkaline electrolyte.

The invention provides a novel maintainable alkaline zinc-manganese battery and a maintaining method of the alkaline zinc-manganese battery, and aims at solving the problem that when liquid leakage hidden danger occurs or the electrical performance is poor in the batch finished products of the alkaline zinc-manganese battery, the finished products can be only scraped. The alkaline zinc-manganese battery provided by the invention can be supplemented and maintained. When the condition that cylindrical alkaline zinc-manganese batteries in batch production have liquid leakage hidden danger due tocopper nails, zinc cream and positive electrode impurity existence is found, a corrosion inhibitor or other additives are injected into the maintainable alkaline zinc-manganese battery through an airpressure reverse sealing device; when the electrical property is insufficient, electrolyte or zinc cream can be injected; when the inside air pressure is very high, the pressure can be released; inertgas is injected; the battery self-discharging reaction is reduced; the risk of battery liquid leakage or explosion is reduced. The preparation process is simple; the battery batch rejection rate is comprehensively reduced; the loss of the alkaline zinc-manganese battery in the production process can be greatly reduced.

The invention discloses a power supply container, a power carrier and a using method of the power supply container. The power supply container comprises a box body, an electricity storage device and apower supply management system; the electricity storage device is a disposable zinc air battery pack and is formed by electrically connecting more than two zinc air single batteries in series or parallel and installed in the box body of the power supply container; the box body is a hexahedral cavity body with movable faces and is made of a rigid hard pressure-resistant material, and devices for fixing the zinc air single batteries are arranged in the box body; the power supply container is used for supplying electric power energy to an external discharging load; and the power carrier is usedfor carrying the power supply container and comprises a locomotive or a ship or an aircraft which uses any internal combustion engine or electromotor as a power device. The using method of the power supply container comprises installation / replacement of electrodes and addition / maintenance of an electrolyte solution.

The invention discloses a battery containing a soft package battery cell. The battery comprises an upper cover, a soft package battery core and a lower cover. The bottom of the upper cover is clampedto the upper portion of the lower cover in a sealed mode. An accommodating cavity is formed between the upper cover and the lower cover, and the soft package battery cell is located in the accommodating cavity, wherein the soft package battery cell comprises a soft package battery cell body, a first electrode lug and a second electrode lug, and the first electrode lug and the second electrode lugare located in the middle of the soft package battery cell body, and the free ends of the first electrode lug and the second electrode lug extend outwards. The first electrode lug is fixedly connectedwith the upper cover or the lower cover, and the second electrode lug is fixedly connected with the lower cover or the upper cover. According to the invention, the battery containing the soft packagebattery cell reduces the corrosion problem of the upper cover and the lower cover and the risk of electrolyte leakage of the battery, prolongs the service life, improves the safety of the battery, cannot generate an electromagnetic interference signal, cannot generate electromagnetic interference to a product using the battery, and improves the product quality and the user experience.

The disclosure concerns an electrochemical cell including a cathode, an electrolyte, and an anode including an elemental metal or metal alloy. The electrolyte includes an electrolyte salt, an ionic liquid, and an optional first polymer binder. The electrolyte and / or the anode further includes a protective metal salt in an amount sufficient to (i) reduce or eliminate hydrogen evolution or open circuit side reactions in the electrochemical cell, or (ii) plate out onto or alloy with the anode metal or conductive additives in the anode. The electrochemical cell may further include a first current collector in contact with the cathode, and a second current collector in contact with the anode. The second current collector may include a metal or metal alloy. In such cells, the second current collector may further include the protective metal salt, and the protective metal salt may plate out onto or alloy with the metal or metal alloy of the second current collector.

This invention provides a shutdown system and methods for battery shutdown followed by a standby mode using a washing solution controlled by pH such that the electrode remains stable.