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7618745 |
Sealed battery
A sealed battery according to the present invention includes a sealing body 18 A having a terminal cap 19 ′ made of an iron-based material and a safety valve 25 made of an aluminum-based...
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7585588 |
Battery positive electrode material
A material for the positive electrode of a silver oxide battery is provided that increases the discharge capacity of the battery. The positive electrode material is a conductive composite oxide...
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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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7576972 |
Sealed electro-technical device comprising two sealing joints and methods therefor
A method is described for applying a double sealing system to an electro-technical device and an electro-technical device with a double seal. Said Electro-technical device has; a container ( 5 )...
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7544440 |
Secondary battery having a sealing gasket with concave and convex portions
A secondary battery includes an electrode assembly having a positive electrode, a negative electrode and a separator interposed between the positive and negative electrodes and a container for...
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7524578 |
Battery comprising a flange formed at a peripheral edge and a protection circuit attached to the flange
A battery can 2 is composed of a can body 3 having a concave portion 31 for accommodating an electrode body 5 , and a metal cover 4 for sealing an opening end of the concave portion 31 ...
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7473382 |
Seal molding material for cell electrolytic solution
A seal molding material for cell electrolytic solution, which comprises an EPDM composition comprising a peroxide-crosslinkable EPDM and an organic peroxide, the seal molding material being for use...
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7455929 |
Air cell with improved leakage resistance
An electrochemical battery cell with an oxygen reduction electrode and having improved electrolyte leakage resistance. The cell includes a component, disposed between the oxygen reduction electrode...
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7442467 |
Sealed battery
A sealed battery in which an opening of a battery case is sealed with any one of a sealing member via an insulating gasket, and a sealing unit in which a sealing member is crimped inside a filter...
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7427454 |
Secondary battery
A secondary battery includes an insulation case that is thickly formed to prevent deformation and that includes a recess that receives at least a part of a cap assembly in the insulation case so as...
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7358007 |
Laminate, method for preparation thereof, and use thereof
A laminate to be served as seal film for sealing the electrolyte of battery or as protection film for protecting the electrode part of battery, comprising a metal layer, a surface-treated layer...
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7335439 |
Hermetically sealed battery
A hermetically sealed battery is provided, equipped with a opening sealing unit 10 including a Positive Temperature Coefficient (PTC) element without reducing the volume of the outside can, and...
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7314492 |
Method for manufacturing alkaline battery
In a method in which the inside surface of the negative electrode cup of an alkaline battery is coated with metal or metal alloy having a higher hydrogen overpotential than copper, the mask used...
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7273675 |
Aqueus electrolytic solution primary battery
The invention provides a battery including a power generating element container, a positive electrode mixture, and a hydrogen gas permeable sheet provided in an opening of the power generating...
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7267905 |
Alkaline electrochemical cell having a non-crimped closure
An adhesive closure for sealing closed the open end of an electrochemical cell container. The electrochemical cell comprises a can having an open end and a side wall, and positive and negative...
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7258940 |
Zinc/air cell
A zinc/air button cell, wherein the cell has a single casing, namely, the anode can. A substantially flat metal support disk is employed, to close the open end of the anode can, thus eliminating...
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7223496 |
Electrochemical element
An electrochemical element having a metal case for accommodating an element unit in which a positive electrode and a negative electrode are disposed to face each other with a separator between...
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7215532 |
Method and machine for manufacturing energy accumulating components, and components made thereby
A method for manufacturing electrical components of the energy-accumulating electrostatic or electrochemical type, consisting in winding at least two layers of a film on a support made of an...
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7175938 |
Battery case employing ring sandwich
The invention includes a brazed ceramic ring that separates the positive and negative ends of the battery while still providing a leak-tight seal. The ceramic is aluminum oxide or zirconium oxide...
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7175935 |
Lithium manganese dioxide cell
A lithium dioxide cell construction including a resettable positive temperature coefficient fuse. The positive temperature coefficient fuse, can withstand shock and mechanical vibration without...
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7172833 |
Alkaline dry cell
The present invention discloses an alkaline dry cell with a high capacity having a superior liquid leak resistant property. In this alkaline dry cell, the thickness of the trunk portion of an...
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7169507 |
Manganese dry battery
A manganese dry battery with excellent leak-proof property is provided, in which electrolyte leakage does not occur even if the size of a positive electrode material mixture is increased to meet a...
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7141332 |
Lightweight prismatic packaging structure for electrochemical devices and assembly method of the same
The present invention pertains to lightweight, hard and leakproof prismatic packaging structures for electrochemical devices and economical method of assembly and hermetic sealing of said...
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7141082 |
Gas generating cell or battery and method of producing same
The present disclosure relates to a gas generating cell including a housing having a cover, an anode cup and a sealing ring. The housing accommodates at least one anode, a cathode and a separator....
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7122276 |
Pouch type secondary battery with safety vent
A pouch type secondary battery has a safety vent which prevents explosion and fire by removing a sealing mechanism of a pouch casing when the internal temperature increases due to overcharging,...
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7118817 |
Coin cell protection against reverse insertion in cell holder
A method and associated apparatus for preventing applying a reverse polarity voltage to an electronic circuit from a coin cell used to power such circuit by providing a first insulating wafer over...
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7097928 |
Battery and method of making a battery
A battery includes a can having a rectangular or triangular cross section, the can having a closed end and an open end, a cathode in the can, an anode in the can, a separator between the cathode...
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7022146 |
Method for providing a hermetically sealed coin cell
A hermetically sealed coin cell is described. The coin cell has the opposite polarity terminals isolated from one another by a glass-to-metal seal. Glassing a conductive disc inside a ring of...
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6991872 |
End cap seal 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 end cap which may also function as a cell terminal and an...
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6984468 |
Hermetically sealed coin cell
A hermetically sealed coin cell is described. The coin cell has the opposite polarity terminals isolated from one another by a glass-to-metal seal. Glassing a conductive disc inside a ring of...
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6875540 |
Lithium secondary battery
A lithium secondary battery comprising a case, an internal electrode body inside the case, electrolyte contained in the case, and an insulator between the case and a terminal. Also, a lithium...
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6861174 |
Electrochemical cell with low volume cover assembly
An electrochemical battery cell comprising a metal container with an open end closed with a metal cover. The top portion of the container side wall has a torus above an inward necked area, and the...
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6830847 |
Zinc/air cell
A zinc/air button cell comprising a cathode casing and an anode casing wherein the anode casing is inserted into the cathode casing. The anode casing is formed of multiclad metal layers, for...
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6811920 |
Cylindrical lithium ion secondary battery and fabrication method thereof
A lithium ion secondary battery is so designed as to facilitate the insertion of the top insulator plate and to secure the fixation of the electrode group. This structure can reduce the probability...
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6803145 |
Flat lithium cell
Lithium flat battery consisting of a first housing part accommodating a first thin-layer electrode, a second housing part accommodating a second thin-layer electrode, and a separator placed between...
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6794082 |
Alkaline battery
An alkaline battery constructed of a cathode can and an anode cup in such a way that an open end of the cathode can is sealed by the anode cup, with a gasket interposed between them, characterized...
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6777128 |
Secondary battery and fabrication method thereof
A secondary battery and a fabrication method of the secondary battery includes a battery unit having a positive electrode plate, a negative electrode plate and a separator interposed there between,...
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6767668 |
Solid electrolyte battery and production method thereof
Disclosed is a solid electrolyte battery including: a first electrode including a first collector, and a first active material layer formed on one surface of the first collector with an outer...
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6761995 |
Coin-shaped battery
A coin-shaped battery includes a cathode case ( 1 ) having a crimp portion ( 14 ) in the periphery of a bottom face ( 1 a ), and an anode cap ( 2 ) having a flange ( 6 ) with an extended portion (...
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6761994 |
Packaging material for polymer cell and process for producing the same
A polymer battery module packaging material is a packaging laminated structure ( 10 ) including a base layer ( 11 ), a first adhesive resin layer ( 17 b ), a first chemically converted layer ( 16 b...
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6730430 |
Explosion-proof safety structure for column shape lithium battery
The present invention relates to an explosion-proof safety structure for column shape lithium battery, particularly relates to a safe and explosion-preventing structure which prevents the battery...
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6723465 |
Nonaqueous electrolyte battery and production method thereof
A nonaqueous electrolyte batter includes: an electrode body having at least a positive electrode and a negative electrode; a cylindrical container with its bottom closed, in which the electrode...
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6716550 |
Sealing membrane electrode assemblies for electrochemical fuel cells
An elastomer may be used to construct a separate, moldable part that engages the edge a membrane electrode assembly (MEA) to thereby seal the MEA. The seal has a groove defining two sealing...
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6627348 |
Method for producing rectangular cell
A method for manufacturing a rectangular cell is provided in which a rectangular case containing a power generating element is hermetically sealed by laser welding a sealing plate to an open end of...
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6610444 |
Secondary cell with non-rotatable terminal member
In a secondary cell comprising an electrode unit enclosed in a cell can and adapted to deliver electric power generated by the electrode unit via electrode terminal assemblies, each electrode...
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6610441 |
Annular pack
An annular pack for a cylindrical member for use in a wellbore includes a housing adapted to be mounted about an exterior circumference of the cylindrical member. The housing has mutually engagable...
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6605383 |
Alkaline electrochemical cell having adhesive closure
An adhesive closure for sealing closed the open end of an electrochemical cell container. The electrochemical cell comprises a can having an open end and a side wall, and positive and negative...
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6605382 |
Lithium ion battery suitable for hybrid electric vehicles
A lithium ion battery configured to yield a high energy density output by minimizing head space, i.e., wasted interior volume, within the battery case and/or by reducing electrical energy losses...
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6537693 |
Secondary battery and method of manufacturing same
A secondary battery has a disconnect assembly for cutting off a current path when a pressure in the battery is abnormal, disposed in an open end of an outer casing. The disconnect assembly includes...
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6495284 |
End seal assembly for an alkaline cell
An end seal assembly for small sized cylindrical alkaline cells. The seal assembly eliminates the need for a separate end cap and also eliminates the need for an insulating washer which is normally...
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