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8440336 |
Rechargeable battery with short circuit member
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case containing the...
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8426046 |
Li-ion battery with over-charge/over-discharge failsafe
An electrochemical cell in one embodiment includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode, a separator positioned between...
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8383259 |
Safety device for an accumulator cell
In the case of a safety device for an accumulator cell, which has an electrode assembly disposed in an elastic cell sheath and at least one electrical connector, a blocking element is provided...
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8273171 |
Pearlescent pigment
A pearlescent pigment (100) includes: a flaky substrate (10); a titanium dioxide layer (20) that is formed on the flaky substrate (10); and an oxazoline compound layer (40) that is formed on the...
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8236439 |
Rechargeable battery
A rechargeable battery according to an exemplary embodiment of the present invention includes an electrode assembly, a case containing the electrode assembly, and a cap assembly. The electrode...
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8178226 |
Film-covered electric device and method of manufacturing same
Battery element 2 is sandwiched between and surrounded by casing films 4, 5 each having a thermo-fusing resin layer, and is sealed by thermally fused region 6 formed by thermally fusing around the...
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8119295 |
Metal oxygen battery containing oxygen storage materials
A battery system includes a metal oxygen battery. The metal oxygen battery includes a first electrode, an oxygen storage material, and a selective transport member separating the oxygen storage...
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7964300 |
Battery pack
There is provided a risk-free and easy-to-use battery pack using battery cells 1 as a secondary battery, in which internal gases evaporated by applying overvoltage or the like thereto are processed...
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7939192 |
Early detection of battery cell thermal event
A battery module for use in an electric vehicle is disclosed. The battery module includes a plurality of cells arranged in a predetermined pattern within the module. The battery module also...
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7582379 |
Secondary battery of assemble-type structure
Provided is a secondary battery of an assemble-type structure having a cell body including an electrode assembly of cathode/separator/anode sealed therein; and a cap assembly including a protection...
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7527892 |
Nonaqueous electrolyte battery having exposed electrode collector portions
A nonaqueous electrolyte battery capable of minimizing damage if the battery is crushed by pressure is disclosed. The nonaqueous electrolyte battery according to the present invention includes a...
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7169504 |
Alkaline cell with performance enhancing additives
A sulfonic acid type organic surfactant is incorporated into the gelled anode mixture of an alkaline electrochemical cell, optionally with an organic phosphate ester surfactant. Zinc fines may also...
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7094493 |
Hydrogen storage metal alloy, method for absorption and release of hydrogen using the said alloy and hydrogen fuel battery using the said method
A method for absorbing and releasing hydrogen comprises applying repeatedly hydrogen pressurization and depressurization to a hydrogen storage metal alloy of a body-centered cubic structure-type...
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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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6835490 |
Alloy for hydrogen storage, method for absorption and release of hydrogen using the alloy, and hydrogen fuel cell using the method
A method for absorbing and releasing hydrogen comprises applying repeatedly hydrogen pressurization and depressurization to a hydrogen storage metal alloy of a body-centered cubic structure-type...
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6811903 |
Electrochemical cell recharging system
A rechargeable electrochemical cell system is provided. The system includes a plurality of cells, wherein each cell is comprised of a first electrode, a second electrode, and a third electrode...
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6790555 |
Electrochemical cell having a controlled electrode surface
The present invention relates to an electrochemical cell having a controlled electrode surface, comprising: a first electrode and a second electrode wherein at least one of the first and second...
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6737187 |
Closed battery
A closed battery which is capable of rapidly releasing the internal pressure there while simultaneously disconnecting the current to prevent the internal temperature of the battery from rising and...
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6713209 |
Arrangement for implementing a safety feature in a battery
The invention pertains to a safety feature that finds particular utility in batteries with flexible shells. Conductors to be attached to the electrodes of a battery are thin strips, and the...
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6686092 |
Nonaqueous electrolyte type secondary battery with a film casing
A secondary battery including an electricity generating element, which includes at least a positive electrode implemented by a lithium-manganese compound oxide, a negative electrode, an electrolyte...
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6667133 |
Gelating agent for alkaline cell and alkaline cell
A gelating agent for an alkaline cell is a cross-linked polymer (A) comprising (meth)acrylic acid and/or its alkali metal salt as a main constituent monomer unit and obtained by an aqueous solution...
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6660431 |
Hydrogen absorbing alloy electrode, electrode producing method and alkali storage battery
The present invention relates to a hydrogen storage alloy electrode composed of a hydrogen storage alloy having a CaCu5 region and a Ce2Ni7 region in the crystal structure and satisfies the...
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6623883 |
Electrode having PTC function and battery comprising the electrode
The object of the present invention is to obtain an electrode whose resistivity increases with temperature, and a battery using the same. Specifically, the invention consists in limiting the...
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6572998 |
Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery having a structure which enables an electrode device to easily be inserted into a battery can thereof even if the thickness of the battery is reduced....
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6551742 |
Zinc/air cell
A fluorosurfactant, preferably an anionic fluorosurfactant, can be added to the anode mixture of a zinc/air cell. A desirable surfactant is an anionic fluoroaliphaticcarboxylate. The addition of...
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6524738 |
Lithium battery incorporating protective positive temperature coefficient material
A lithium secondary battery has an electrode assembly including a positive electrode plate having a positive electrode current collector and a positive electrode sheet fixed to at least one surface...
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6503659 |
Layered metal hydride electrode providing reduced cell pressure
A layered hydrogen absorbing alloy electrode for an alkaline electrochemical cell. The layered electrode comprises a outer layer comprising a metal oxide, metal sulfide or mixtures thereof. The...
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6500582 |
Method of producing electrode for battery and electrode produced by method
An electrode for a battery produced by a method comprising the steps of continuously forming a metallic porous foil consisting of metal powders having fine voids; attaching powders of an active...
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6461757 |
Non-aqueous battery of a thin configuration
A non-aqueous battery is provided in a pouchy casing comprising opposing sheets of at least three-layer laminates, each laminate comprising (1) an inner thermoplastic resin layer, (2) a middle...
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6440599 |
Hermetically sealed cell
The object of the present invention is to provide a closed battery capable of rapidly releasing the internal pressure thereof and at the same time disconnecting the current to effectively prevent a...
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6425440 |
Reciprocal heat exchanger
A reciprocal design for an electrochemical heat exchanger comprised of a gas-based driving system, a liquid-based cooling system, and a non-permeable flexible diaphragm to physically separate the...
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6426162 |
Air cell
An air cell in which at least one end of a tubular air electrode is positively sealed to assure optimum leakage-proofing characteristics. The air cell includes an air electrode in the form of a...
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6368747 |
Metal hydride storage cell having excellent charge and discharge cycle characteristic
The present invention certainly provides a metal hydride storage cell having excellent cycle characteristic and a method of producing such a cell. In order to realize the objectives, the cell is...
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6335109 |
Safety device and secondary battery using the same
A safety device having a thin plate of a brittle material adapted to be ruptured by a difference between pressures exerted on opposite sides thereof; and a conductive path provided on the thin...
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6322921 |
Secondary battery and sealing plate assembly therefor
A secondary battery which may be handled in a same way as conventional single cell, if the gas pressure within battery went unusually high the gas is immediately discharged outside, and bursting of...
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6312848 |
Electrical rechargeable battery in the form of a button cell
An electrical accumulator having a case in the form of a button cell which is closed such that it is gastight, including a case cover and a case cup with an interposed electrically insulating seal,...
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6284404 |
Battery and gas effluent system therefor
A vehicle (V) includes a battery enclosure (152) enclosing a battery system (B). Each battery (Bn) includes a cell (1) that comprises a rolled lamination (LM) of a positive sheet electrode (11)...
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6261719 |
Battery-connecting plate
A battery-connecting plate for connecting batteries in series. The batteries, each with a positive and a negative electrodes at opposite ends, are assembled in a row with the positive and negative...
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6242133 |
Hydrogen-absorbing alloy electrode for alkaline secondary battery and method of manufacture thereof
A hydrogen-absorbing alloy electrode for an alkaline secondary battery. The electrode is prepared by adding a transition metal salt to a paste comprising a hydrogen-absorbing alloy powder and...
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6224995 |
Three dimensional free form battery apparatus
A battery apparatus comprising a casing, at least two stacked lithium ion cells a member for maximizing the utilization of the casing and a member for precluding inadvertent deformation of the...
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6221528 |
Hydrogen-absorbing alloy electrode for alkaline secondary battery and method of manufacturing thereof
A hydrogen-absorbing alloy electrode for an alkaline secondary battery. The electrode is made from a hydrogen-absorbing alloy containing nickel which has been treated with an acidic solution...
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6210824 |
Current interrupt apparatus for electrochemical cells
End cap apparatus (2) is received in the open end of an electrochemical cell casing (6) and is particularly adapted to be crimped thereto electrically separated from the casing by a gasket (4). The...
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6200699 |
Mercury-free primary alkaline cell
A galvanic cell has an anode gel, an alkaline electrolyte, and a cathode material, separated from the anode gel by a separator. The anode gel has mercury-free zinc powder, and the cathode material...
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6183899 |
Maintenance-free open industrial type alkaline electrolyte storage battery
A maintenance-free open industrial storage battery includes an electrode assembly comprising at least one positive electrode, one negative electrode, one separator disposed between the negative...
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6171368 |
Gas extraction from closed containers
Apparatus and an associated method of operation are disclosed for removal of gaseous contaminants, particularly oxygen, from closed containers. The apparatus is economical, simple to install and...
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6168878 |
Electrochemical cell having a controlled electrode surface and associated fabrication and chemical process
An electrochemical cell, and an associated process, wherein the cell includes a controlled electrode surface comprising an electrode with a metallic current collector having a surface, an...
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6165643 |
Hydrogen storage materials
A hydrogen storage material comprising hydride-forming metallic particles and an interface activation composition, wherein the surface of at least some of the hydride-forming metallic particles...
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6136464 |
Battery and safety device therefor
A safety device for a storage battery includes a charge-discharge lead one end of which is connected to a positive electrode side of the storage battery and the other end of which is connected to a...
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6129789 |
Surface treatment method of hydrogen absorbing alloy
Steam is contacted with a hydrogen absorbing alloy in a temperature range from 200° C. to 400° C. With a contact catalytic reaction of water, a metal contained in the hydrogen absorbing alloy is c...
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6127061 |
Catalytic air cathode for air-metal batteries
An air cathode for use in an electrochemical cell or battery having an air permeable and water impermeable layer, an electrically conductive middle layer and a catalytic layer comprising a mixture...
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