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7618738 |
Air management system for zinc-air battery
A metal-air battery is shown. The metal-air battery includes a housing holding at least one metal-air cell and an interface electrically coupled to the housing holding the at least one metal-air...
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7611797 |
Lithium secondary battery with safety device
A lithium secondary battery includes a can made of a conductive metal. The can houses an electrode unit having positive and negative electrode plates with a separator interposed therebetween with...
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7601455 |
Lithium rechargeable battery
A lithium rechargeable battery includes a bimetal and a current interruption means that is actuated by the inner pressure or heat generated from within the rechargeable battery in the case of an...
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7579105 |
End cap assembly and vent for high power cells
And end cap assembly and venting system therein for closing and sealing the open end of a cell housing. The end cap assembly comprises a sealing disk underlying an end cap, and a metal support disk...
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7572545 |
Battery can having vent and asymmetric welded cover
An electrochemical cell is provided with an enhanced pressure relief vent formed in a closed end of the cell container that allows for effective venting of gas from the closed end of the container....
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7572544 |
Sealed rechargeable battery
In a closure assembly for sealed rechargeable batteries, upon a metallic foil is placed a spacer having an aperture that is larger than an upwardly protruding portion of the foil but smaller than...
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7563531 |
Air cell with modified sealing tab
An air depolarized battery with an improved sealing member for sealing the air inlet port(s) of the battery before use is disclosed. The sealing member has areas of relatively high and low...
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7550225 |
Battery
A battery capable of preventing deformation thereof when gas is generated is provided. In the battery, a safety valve is electrically connected to a battery element, and an insulating plate is...
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7547487 |
Multi-cell battery assembly
A multi-cell battery in which a plurality of electrochemical cells are disposed in a battery case. The battery case includes one or more partitions which divide the interior of the case into a...
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7534522 |
Cylindrical lithium ion secondary battery having functional center pin
A lithium ion secondary battery including an electrode assembly, a center pin positioned within the electrode assembly, a variable-length member coupled to the center pin, the variable-length...
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7517607 |
Lithium ion secondary battery
A lithium ion secondary battery in which a safety vent as a safety device for a swelling phenomenon functions under a low pressure. A notch is formed in an inner surface of a large-area wall of the...
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7504175 |
Battery having a cover and a degassing channel system sealed with annular projections and sealing elements
A battery includes a housing having a plurality of cell vessels and a plurality of positive and negative electrode plates provided within the cell vessels. The battery also includes a lower cover...
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7501197 |
Cap assembly and secondary battery with same
A secondary battery includes a container an electrode assembly mounted in the container having a positive electrode, a negative electrode, and a separator interposed between the positive electrode...
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7491464 |
Alkaline cell with flat housing
An alkaline cell having a flat housing, preferably of cuboid shape. The housing may be laser welded closed with a metal cover inserted as a part of an end cap assembly. A portion of an insulating...
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7432010 |
Battery
A battery, which can inhibit raise of an internal resistance even when temperature change or mechanical shock is applied, and which has superior productivity is provided. A safety mechanism and a...
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7405014 |
Tab system for a metal-air electrochemical cell
Various embodiments of a metal-air cell having a tab system that covers an air entry port of the metal-air cell are provided. In one representative embodiment the tab system includes polymer layer...
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7399551 |
Battery cooling structure
In a battery cooling structure, a battery case housing a large number of battery modules is formed into the shape of a rectangular tube having a cooling air inlet and a cooling air outlet, and...
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7390589 |
Safety apparatus for secondary battery and secondary battery having the same
A safety apparatus for a secondary battery, which can interrupt current flow in a reliable manner, and a secondary battery having the same, are provided. The safety apparatus includes a case made...
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7381494 |
Electric battery assembly and method of manufacture
An energy storage device, such as an electrical storage battery, having a unique terminal structure, sealing arrangement and an S-shaped mandrel for the electrode assembly. The battery generally...
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7378180 |
Air electrode batteries
A battery includes an air electrode and an air access passageway that is closed by a non-liquid valve actuable by differential pressure to provide an opening therein to admit air to the battery.
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7378179 |
Battery accommodation casing, battery module and assembled battery
A battery accommodation casing includes a casing member having an approximate flat shape to house a laminate-sheathed cell therein in a sealing manner, a recess having a hollow shape in cross...
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7378168 |
Fluid regulating microvalve assembly for fluid consuming cells
A fluid regulating microvalve assembly for use to control fluid flow to a fluid consuming electrode, such as an oxygen reduction electrode, in an electrochemical cell. The microvalve assembly...
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7329473 |
Secondary battery
The present invention is a secondary battery, comprising an upper housing, an upper accommodated tank, a main component of battery, a lower accommodated tank, a lower housing each is laminated...
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7294429 |
Alkaline cell with flat housing
An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO 2 . The housing can have a relatively small overall...
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7252903 |
Battery pack
The battery 2 of the battery pack is temporarily held in a mold 30 to form a molded resin region 1 , synthetic resin injected into the mold cavity 31 to form the molded resin region 1 ...
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7195839 |
Battery cell with improved pressure relief vent
An electrochemical cell with a pressure relief vent formed in a metal plate disposed in at least one of the closed end and the open end of the container. The pressure relief vent has an annular...
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7189473 |
Battery venting system
A battery venting system that is useful for cordless power tools. The system can include a cell that may have a sleeve with a plurality of apertures surrounding a peripheral side face of the cell...
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7141331 |
Battery pack
A battery pack includes a housing ( 3 ) having a plurality of cooling opening ( 2 a , 2 b ) formed therein, and at least one separation wall ( 5 ) formed of a plurality of current cells ( 4 )...
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7101640 |
Screw-in vent plug for lead-acid batteries
A venting plug for a wet, lead-acid storage battery, a battery containing the same, a method of molding the venting plug body, and a mold for molding the venting plug body are disclosed. The...
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7097935 |
Rechargeable battery
A rechargeable battery includes a housing having at least two cells and a cover which closes the housing. The cover includes a lower part which is coupled to the housing, an upper part which is...
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7094496 |
Electrical accumulator batteries
An electric accumulator battery, constituted of a series of independent modules, each of which comprises a recipient with a lid subdivided into cells in which positive and negative helically wound...
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7094494 |
Alkaline cell with flat housing
An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO 2 . The housing can have a relatively small overall...
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7074518 |
Electrochemical battery having a surface of revolution
An electrochemical battery comprises a casing ( 1 ) presenting a surface of revolution about an axis, having at least one air inlet opening ( 4 ) and at least one air outlet opening ( 5 ), and...
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7074255 |
Noble metal gas barriers
A method for separating gases within a barrier, and a metallic barrier separating the gases is provided for use in solid oxide fuel cells, or SOFC. A network of pores can vent steam formed within...
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7056617 |
Batteries and battery systems
A non-hermetically sealed, electrochemical power source, includes a first electrode, a second electrode, a separator between the first electrode and the second electrode, and a membrane in fluid...
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7037620 |
Multi-cellular electrical battery
An electrical battery for multi-cellular interconnection in series, parallel or series and parallel has a protrusion and a recess, such as a tongue and a groove, extending on outer surfaces of the...
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6949310 |
Leak proof pressure relief valve for secondary batteries
Secondary batteries are subjected to power cycling, and those which have a liquid electrolyte within the interior volume are equipped with a pressure relief valve. A void space over the liquid...
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6926992 |
Nonaqueous electrolyte secondary battery
Disclosed is a nonaqueous electrolyte secondary battery comprises a sealing unit including a conductive support plate, wherein the conductive support plate contains at least one kind of a...
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6887620 |
Bipolar electrochemical battery of stacked wafer cells
The bipolar electrochemical battery of the invention comprises:
a stack of at least two electrochemical cells electrically arranged in series with the positive face of each cell contacting...
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6887614 |
End cap assembly for an electrochemical cell
An end cap seal assembly for an electrochemical cell such as an alkaline cell is disclosed. The end cap assembly comprises a convoluted metal support disk and underlying insulating sealing disk....
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6846591 |
Battery casing
A battery casing, particularly suitable for a lead acid type battery, comprises a lid having a recess insert into the top surface, at least one vent at the base of the recess through which gas is...
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6844104 |
Vent plug system for storage batteries
To improve on a vent plug system for a cell opening of a storage battery containing a plug element with an inner cartridge and a valve element, to where it is possible without the need for...
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6838207 |
Sealed battery with less electrolyte leakage
The object of the present invention is to provide a sealed battery that includes a gas release valve formed on the closure cap by covering a gas release hole with a thin film that rarely breaks...
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6838206 |
Safety plate of secondary battery
In a battery in which a separator is disposed between a cathode and an anode, a jelly roll is wound with the separator. The cathode, the anode and the separator are received in a battery case and...
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6830736 |
Apparatus for carrying out a heterogeneously catalyzed reaction
For carrying out a heterogeneously catalyzed reaction, such as the generation of hydrogen from hydrocarbons or alcohol, a reaction mixture comprising a hydrocarbon and water is supplied to a...
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6818342 |
Method of forming protective coating on cell safety valve element, cell safety valve element coated with protective film, cell sealing plate using the element, and enclosed cell using the plate
A method of forming a protective coating on a cell safety valve element by coating the cell safety valve element with a protective film to protect metal portions thereof against corrosion, a cell...
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6773842 |
Metal-air battery with an extended service life
A battery comprising a control means and a plurality of metal-air cell assemblies that are electronically connected in parallel. Each cell assembly comprises a casing with a controllable air vent...
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6763591 |
Watertight housing of an apparatus
The invention relates to a waterproof housing ( 1 ) of an apparatus, for example an electrically rechargeable shaving device, which housing ( 1 ) is provided with at least one opening ( 3 a, 3 b )...
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6737188 |
Seal for an electrochemical cell
A ventable seal is provided for closing the open end of an electrochemical cell. The seal incorporates indentations formed in the outer surface of the centrally located hub that abuts a flexible...
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6730431 |
Battery having tube collapsing vent system and overcharge protection
A novel battery with a venting device and overcharge protection system. The battery casing has an inner tube that completely surrounds a hollow core, an outer tube that surrounds the inner tube,...
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