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7622218 |
Electrode for non-aqueous electrolyte secondary battery and production method thereof
An electrode in sheet form includes a current collector and an electrode mixture layer carried on each side thereof. The electrode is bent in the longitudinal direction thereof, to cause a large...
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7432018 |
Cylindrical alkaline storage battery
A cylindrical alkaline storage battery suitable to increase its capacity and arranged to prevent a short circuit and internal resistance increase, including an electrode group held in an outer can...
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7398581 |
Method for making battery plates
A method of making a plurality of battery plates includes forming a strip including a plurality of battery grids. Each battery grid includes a grid network bordered by a frame element and includes...
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7318983 |
Battery
The invention provides a battery achieving excellent battery characteristics by using, as an anode active material, any of metal elements and metalloid elements each of which can form an alloy with...
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7314685 |
Oxidized titanium as a cathodic current collector
A titanium substrate having a thickened outer oxidation layer provided thereon by a treatment process performed either in an air atmosphere at elevated temperatures or through electrolytic...
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7270686 |
Method for making a fuel cell with large active surface and reduced volume
The present invention relates to a process for producing a fuel cell, comprising a step of forming a plurality of holes ( 10 ) in at least two substrates ( 9 ); each hole is in the seat of an...
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7258950 |
Electrode for rechargeable lithium battery and rechargeable lithium battery
An electrode having a current collector and, formed thereon, a thin film comprising an active material, characterized in that a thin alloy film (such as Sn—Co) comprising a metal which can form...
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7247409 |
Alkaline storage battery and hydrogen storage alloy electrode used therefor
The hydrogen storage alloy electrode comprises: a conductive core material; and an active material layer which contains a hydrogen storage alloy powder and is carried on said core material, and the...
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7191502 |
Current collector with penetrating holes of complicated shape for use in a secondary battery and manufacturing process thereof
There is provided a current collector for use in a secondary battery on which active material coated on both sides of a metal foil are difficult to drop out. The metal foil is provided with a...
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7105252 |
Carbon coated battery electrodes
A method for forming a corrosion resistant electrode for a battery includes supplying an electrode for use in the battery and exposing the electrode to an environment including vaporized carbon. At...
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7060391 |
Current collector structure and methods to improve the performance of a lead-acid battery
A battery, a battery electrode structure, and methods to make the same. The product and method comprise applying a layer of lead-tin containing alloy to substrates for anodes or cathodes for...
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7033702 |
Particulate electrode including electrolyte for a rechargeable lithium battery
A matted particulate electrode located between the current collector and a porous separator of a rechargeable lithium battery is described, which contains electro-active particles intermixed with...
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7033703 |
Composite material and current collector for battery
A composite material including a first carbon foam structure including a network of pores and a second carbon foam structure including a network of pores. An intermediate bonding structure is...
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7029797 |
Electrode plate for alkaline storage battery and alkaline storage battery using the same
An electrode plate for an alkaline storage battery of the present invention includes a conductive core material as a current collector, in which a plurality of through-holes are linearly provided...
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7000297 |
Electrochemical cell current collector having openings of progressively larger sizes converging at a tab
The present invention relates to a current collector for an electrochemical cell. The current collector is a substrate having a grid pattern comprising open areas converging at an imaginary focal...
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6921611 |
Method of making a battery
A method of making a battery includes forming a strip of interconnected grids from a grid material by feeding a continuous strip of the grid material along a linear path aligned with the...
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6893777 |
Current collector having non-symmetric grid pattern converging at a common focal point
The present invention relates to a current collector for an electrochemical cell. The current collector has a unique grid structure comprised of a frame supporting a plurality of radial strands as...
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6884548 |
Nonaqueous electrolyte battery containing an alkali, transition metal negative electrode
It is intended to provide a nonaqueous electrolyte battery that satisfies both of a large discharge capacity and a superior cycle life characteristic by developing a novel negative electrode...
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6875536 |
Catalytic hydrogen storage composite material and fuel cell employing same
A composite hydrogen storage material including 1) an active material having hydrogen storage capacity; and 2) a catalytic material having greater catalytic activity toward the dissociation of...
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6849361 |
Manufacturing method for sintered substrate of alkaline storage battery
A manufacturing method for a sintered substrate of alkaline batteries is provided. The manufacturing method includes a first step for mixing particles with a pore former and applying the mixture to...
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6800399 |
Non-sintered thin electrode for battery, battery using same and process for same
An electrode substrate is formed by mechanically processing a nickel foil so as to be made three dimensional through the creation of concave and convex parts, and then, this substrate is filled...
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6800398 |
Alkaline storage battery pole plate and production method for alkaline storage battery pole plate and alkaline storage battery
A battery used by rolling a pole plate, formed by filling an active material, around a substrate using a band-shaped metal porous body having three-dimensionally linked spaces is inferior in...
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6797432 |
Method for producing sintered cadmium negative electrode
A cadmium negative electrode is prepared having excellent cycle characteristics without impairing the production efficiency even in case the impurities incorporated during filling the active...
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6790561 |
Process for fabricating continuously coated electrodes on a porous current collector and cell designs incorporating said electrodes
The invention is directed to an electrochemical cell having at least one of its electrodes produced by coating a slurry mixture of an active material, possibly a conductive additive, and a binder...
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6783891 |
Fuel cell cathode with redox couple
Fuel cell oxygen electrode and instant startup fuel cells employing such oxygen electrode. The oxygen electrode operates through the mechanism of redox couples which uniquely provide multiple...
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6780543 |
Aluminum or aluminum alloy-based lithium secondary battery
A first lithium secondary battery of the present invention is formed by placing at least a positive electrode, a negative electrode, and a non-aqueous electrolyte in a battery case in which a...
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6756156 |
Rectangular alkaline storage battery
In a rectangular alkaline storage battery, the sides of negative cores of negative electrode plates 10 , which are disposed at the outermost positions of the group of electrode plates and oppose...
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6756152 |
Electrode for alkaline storage battery and method of manufacturing the same
An electrode for the alkaline storage battery includes a binding agent containing thermoplastic xylene-formaldehyde resin. Since the thermoplastic xylene-formaldehyde resin is non-aqueous, it is...
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6743547 |
Pellet process for double current collector screen cathode preparation
An electrode having the configuration: first active material/current collector/second active material is described. One of the electrode active materials in a cohesive form of active particles...
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6740441 |
Metal current collect protected by oxide film
Provided are low-cost, mechanically strong, highly electronically conductive current collects and associated structures for solid-state electrochemical devices, techniques for forming these...
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6740454 |
Organic electrolytic cell with a porous current collector
An organic electrolytic cell having a positive electrode, a negative electrode, and an electrolyte comprising a solution of a lithium salt in an aprotic organic solvent, wherein a positive...
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6737196 |
Method of making a lithium polymer battery and battery made by the method
A lithium (Li) polymer battery is provided. The Li polymer battery includes: a positive plate including a positive collector having a plurality of openings and a positive active material layer on...
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6733926 |
Electrochemical cell having a physical vapor deposited electrode and method of manufacture
An electrode component for an electrochemical cell or a capacitor is described wherein the electrode is produced by physical vapor depositing an electrode active material onto a substrate to coat...
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6727022 |
Powder process for double current collector screen cathode preparation
The present comprises an electrode having the configuration: first active material/current collector screen/second active material. When one of the active materials is in a powder form, it is...
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6678926 |
Method and apparatus for manufacturing battery plates
An improved apparatus and method for making lead-acid storage battery plates comprising an alignment puncher for creating a plurality of alignment holes in a lead strip as the lead strip is...
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6653013 |
Current collecting lugs in a cylindrical battery
A battery comprising an electricity-generating element comprising a strip-form positive electrode, a strip-form negative electrode, and a strip-form separator, said positive electrode and said...
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6593032 |
Storage battery
A storage battery including an electrode and an electrolyte material, in which the electrode has a grid with a mesh area of about 50 mm 2 or less and an active material provided on the grid....
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6569558 |
Prismatic high rate cell
A solid cathode liquid organic electrolyte alkali metal high rate cell wherein a combination of an elongated alkali metal anode and elongated solid cathode with separator therebetween is wound to...
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6558848 |
Electrodes for secondary cells, process for their production, and secondary cells having such electrodes
A secondary cell having a long cycle lifetime and a superior charge and discharge performance is provided with an electrode having a collector having a metal matrix 301 having micropores 302 ...
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6548156 |
Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity
Fluid permeable graphite article in the form of a perforated flexible graphite sheet having increased electrical and thermal conductivity transverse to the surfaces of the sheet.
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6541157 |
Nonaqueous electrolyte battery having large capacity and long cycle life
It is intended to provide a nonaqueous electrolyte battery that satisfies both of a large discharge capacity and a superior cycle life characteristic by developing a novel negative electrode...
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6500585 |
Method for manufacturing a bipolar plate
Described is a method for manufacturing a bipolar plate for, for instance, a bipolar battery. According to the present invention, a negative plate is manufactured by applying a suitable paste in a...
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6492045 |
Corrugated current collector for direct internal reforming fuel cells
A fuel cell corrugated current collector having successive spaced rows of corrugations, with the corrugations in a given row establishing successive peak and valley regions along the given row and...
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6489058 |
Pasted positive electrode and process for its production
The present invention provides a positive electrode for a rechargeable cell including a two-dimensional electrically conductive substrate supporting a coating comprising nickel hydroxide and a...
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6461769 |
Organic electrolytic cell
Disclosed is an organic electrolytic cell comprising a positive electrode, a negative electrode and a solution of lithium salt in an aprotic organic solvent as an electrolytic solution. A current...
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6461771 |
Method for providing a chemically machined current collector
The basket weave structures has a lattice construction surrounded by a frame and comprising first strand structures intersecting second strand structures to provide a plurality of diamond-shaped...
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6451472 |
Lithium battery and manufacturing method thereof
A lithium polymer battery having a positive electrode including a positive electrode current collector and positive electrode sheets on at least one surface of the positive electrode current...
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6447957 |
Metal foil for collector and method of manufacturing the same, collector for secondary battery and secondary battery
A collector for a secondary battery includes a metal foil having throughholes shaped or arranged to achieve an increased hole area ratio to improve an active material's adhesion thereto. A...
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6444366 |
Non-sintered electrode and method of manufacturing same
A metal sheet ( 1 ) which constitutes a non-sintered type electrode support is processed to have minute irregularities on its surface. The irregularities are formed by a mechanical method such that...
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6436580 |
Method of manufacturing porous sheet, porous metal sheet manufactured by method, and electrode for battery
Metal powders are spread on a feeding belt or a supporting sheet which is continuously fed; the feeding belt or the supporting sheet on which the metal powders have been spread is passed through a...
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