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5571632 |
Nonaqueous electrolyte solution secondary cell and method for producing the same
A cylindrical nonaqueous electrolyte solution secondary cell having a high productability and a high sealability is provided. The nonaqueous electrolyte solution secondary cell is a double tube...
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5571638 |
Lithium secondary battery
Provided is a lithium secondary battery excellent in initial charge/discharge characteristics and high in capacity comprising lithium-rechargeable cathode and anode and a nonaqueous electrolyte,...
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5567210 |
Method for making an electrochemical cell
Described is a thin-film battery, especially a thin-film microbattery, and a method for making same having application as a backup or primary integrated power source for electronic devices. The...
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5560752 |
Process for activation of metal hydrides
Metals useful in the formation of hydrides for applications such as batteries are advantageously activated by hydriding/dehydriding process. This process involves repeatedly stepping the potential...
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5561006 |
Chargeable lithium electrochemical cell and method of manufacting it
The present invention consists in a rechargeable cell having an anode made from materials in which lithium can be inserted, a cathode and an electrolyte constituted by a solution of a lithium salt...
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5558679 |
Method for mounting a battery on a substrate
An improved battery, an improved battery contact assembly and an improved method for attaching a battery to a substrate are provided. The battery includes a housing and a cover for attachment to...
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5558954 |
Preparation of carbon electrodes by polymer-precipitation
The present invention provides a method of preparing carbon electrodes for use in electrochemical energy storage cells such as lithium ion batteries. The process involves a step of precipitating a...
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5558680 |
Preparation of silver vanadium oxide cathodes utilizing sol-gel technology
A method for preparing a cathode, having as active material silver vanadium oxide with vanadium of mixed valance properties prepared using a sol-gel process, which may generate a preparation of...
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5556719 |
Method for making high capacity hydrogen storage electrode and hydride batteries using same
This invention disclosures a method to make an improved hydrogen/hydride electrode for electro-chemical applications. The method comprises the steps of: (1) preparing the slurry of hydrogen storage...
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5554464 |
Honeycomb battery separator
An elongated, rigid, porous, ceramic separator for a rechargeable battery assembly, the separator having a honeycomb structure in which open cells are separated from adjacent cells by thin, porous,...
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5552244 |
Reversible high energy capacity metal-sulfur battery and method of making same
A reversible high energy capacity battery and method of making that battery. A cathode is formed by packing a mixture of from about 10 to 90 weight percent finely divided sulfur and from about 90...
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5552239 |
Rechargeable battery structure and method of making same
A rechargeable battery comprises a laminate electrolytic cell in which a flexible plasticized polymer hybrid electrolyte/separator layer is interposed between positive and negative electrode layers...
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5549992 |
Preparing method for a nickel hydroxide for a nickel electrode, a manufacturing method for the nickel electrode, and an alkaline secondary battery incorporating the nickel electrode therein
Provided are a method for preparing a nickel hydroxide for a nickel electrode, which comprises solidly dissolving ions of other metals than nickel in a nickel hydroxide, and eluting a partial...
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5545262 |
Method of preparing a metal substrate of improved surface morphology
A metal surface is now described having enhanced adhesion of subsequently applied coatings. The substrate metal of the article, such as a valve metal as represented by titanium, is provided with a...
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5545496 |
Process for producing filament-like vanadium oxide for use in solid state rechargeable electrochemical cells and the use thereof as a cathode in electrochemical cells
The present invention provides a novel process for synthesizing vanadium oxide V 6 O 13 with a filament-like morphology by thermally decomposing ammonium metavanadate NH 4 VO 3 in the presence...
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5542958 |
Method for manufacturing a hydrogen absorbing alloy electrode
A method for manufacturing a hydrogen absorbing alloy including, comprising the steps of (a) causing a punched metal sheet to run in a slurry of hydrogen absorbing alloy powder, to thereby cause...
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5541017 |
Method for making high capacity rechargeable hydride batteries
A method to make new improved high capacity rechargeable hydride batteries comprising steps of (1) preparing an improved hydrogen storage material represented by the composition formula: A a B b ...
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5537733 |
Method of manufacturing a nickel-metal hydride secondary cell
A rectangular nickel-metal hydride secondary cell permits improving the air-tightness and also permits preventing a metal case from being deformed in a step of folding an open end portion of the...
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5538808 |
Sodium sulfur cell and process of manufacturing the same
A sodium sulfur cell comprising an anode active material of metallic sodium, and a cathode active material of sulfur or sodium polysulfide, and a beta alumina solid electrolyte separator, the above...
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5527363 |
Method of fabricating an embossed fluid flow field plate
An embossed fluid flow field plate for electrochemical cells comprises two sheets of compressible, electrically conductive material. Each sheet has two oppositely facing major surfaces. At least...
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5522127 |
Method of manufacturing a non-aqueous electrolyte secondary cell
A non-aqueous electrolyte secondary cell having high charging efficiency over wide temperature range including low temperature, high energy density and superior charge and discharge cycle life,...
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5516339 |
Process for making electrochemical cells using a polymer electrolyte
A process for preparing an electrochemical cell that remains inactive until ionizable electrolyte salt solution is added to the cell housing after assembling into the cell housing the remaining...
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5516340 |
Process for making a metal oxide composite cathode material for high energy density batteries
An electrochemical cell incorporating cathode materials comprising at least one metal oxide, a first metal and a second metal or a mixture of a first and a second metals or their metal oxides...
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5512065 |
Methods for assembling lead-acid batteries
A method of fabricating a modular, recombinant lead-acid battery is provided for. The method includes providing a plurality of thermoplastic frames, including at least two frames which support...
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5510213 |
Method of preparing electrodes for lead-acid electrode battery
The invention provides an electrode for a lead-acid battery, formed in an essentially continuous process without the need for curing under controlled temperature and humidity conditions. This is...
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5509189 |
Method for making an electrochemical cell
An electrochemical device including a solid electrolyte and solid electrode composed of materials having different chemical compositions and characterized by different electrical properties but...
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5508122 |
Battery with a spiral electrode unit
Novel lead location and winding configuration allow more efficient spiral electrode fabrication for a battery that is less susceptible to internal short circuits. The battery has separator material...
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5507842 |
Process for converting lead and lead oxides to barium metaplumbate
The present invention provides improved processes for forming anti-corrosion layers, particularly barium metaplumbate, on lead, lead alloy-, and lead oxide-containing substrates. The processes of...
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5503642 |
Method of assembling a protective cover to battery cable terminal
A hinged, shell-like protective cover is releasably mounted to a flanged, split-ring battery cable terminal. A method of assembling said cover to said battery cable terminal is also described. The...
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5503948 |
Thin cell electrochemical battery system; and method of interconnecting multiple thin cells
Multicell system and method for making a multicell system. Systems include relatively thin (less than about 50 mil) electrochemical cells layered upon one another to minimize volume and weight....
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5492543 |
Preparation of electrodes and Ni/MHx electrochemical storage cell
An electrode (40) for a Ni/MHx storage cell (47) is prepared by providing a substrate (62) and providing an active material in a finely divided form. A paste (60) of a mixture of the active...
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5491039 |
Solid electrolytes including organometallic ion salts and electrolytic cells produced therefrom
This invention is directed to solid electrolytes containing an ion salt which function as a source of ions for producing conductivity. The anion portion of the ion salt is an organometallic...
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5490320 |
Method of making a positive electrode for lithium secondary battery
A lithium secondary battery comprising a positive electrode a double oxide of lithium and nickel wherein said double oxide is formed by burning a mixture of a nickel compound such as nickel...
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5487958 |
Interlocking frame system for lithium-polymer battery construction
Frames for batteries which are constructed of planar battery cells prevent the planar battery cells from shifting while the batteries are vacuum sealed. These frames do not add to the thickness of...
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5486215 |
Electrode assembly and method
An electrochemical cell and electrode assembly in which an alkali metal anode and a cathode assembly are wound together in a unidirectional winding. The anode includes an elongated strip of alkali...
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5486433 |
Button cell
A button cell containing electrodes having a polygonal shape, preferably square or hexagonal, in a flat housing is advantageous when compared to such cells having conventional round pressed powder...
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5478363 |
Method of making electrodes for bipolar electrochemical battery
The subject invention relates to electrode structures that are adaptable for primary and electrically rechargeable electrochemical wafer cells. A flat wafer cell is disclosed that includes...
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5478362 |
Method for producing a spiral electrodes
A method of producing a spiral electrode group comprising a step for preparing a beltlike positive electrode plate whose thickness and width PT are PW respectively, a beltlike negative electrode...
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5475082 |
Use of poly(alkylpyridine-2,5-diyl)
A process of producing a device which is one of a battery, an electrochromic device, an electronic device, an n-type conductor, or an electroluminescent device includes fabricating at least one...
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5470357 |
Method of making a laminated lithium-ion rechargeable battery cell
Li-ion rechargeable battery cell electrode and electrolyte/separator elements formulated as layers of plasticized polymeric matrix compositions are laminated with electrically conductive collector...
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5464453 |
Method to fabricate a reliable electrical storage device and the device thereof
The present invention relates to an improved method to produce an electrical storage device having useful characteristics such as higher charge density, small volume, long-term reliable...
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5462566 |
High capacity cathodes for secondary cells
The present invention relates to an electric current producing cell which contains an anode, a polymer electrolyte which is chemically inert with respect to the anode and the cathode, and a...
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5459922 |
Loading apparatus and methods
This invention relates to apparatus 10 and methods for loading groups of battery plates or the like in adjacent cells 1 to 6 in a holder. The apparatus includes guide means 13 which defines, by...
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5458993 |
Non-aqueous electrolyte battery and method of manufacturing same
A non-aqueous electrolyte battery comprising a positive electrode plate and a negative electrode plate of a light metal spirally wound with a separator in between and an electrolyte, wherein said...
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5455999 |
Method for making electrochemical device
An electrochemical device for production of electrical energy including a case, a primary Faradaic component in the case comprising an active metal anode and a cathode material, an electrochemical...
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5453101 |
Process for producing composite active electrolyte-matrix and laminated component tapes for molten carbonate fuel cells
A composite active electrolyte-matrix tape, single laminated active electrolyte-matrix tapes laminate, single electrolyte matrix/cathode tapes laminate, and single composite active...
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5449574 |
Electical device having alternating layers of fibrous electrodes
An electrical device such as a battery (20) or capacitor is formed as alternating facing layers of an array of fibrous electrodes. The fibrous electrodes (24) of one set of layers are connected at...
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5445902 |
Method for operating a power generator
A method for operating a power generator in which a solid oxide fuel cell is used as a power-generating element and an air electrode of the solid oxide fuel cell is composed of lanthanum manganite,...
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5443602 |
Apparatus and method for automatic mass production and packaging of electrochemical cells
Apparatus and method for automatic mass production and packaging of electrochemical cells where a current collector web with attached masked terminals is rolled onto a spool, which spool is placed...
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5443600 |
Grooved separator electrode composite
A battery cell includes at a plurality of composite separator/electrode structures, each composite structure including a support member having a plurality of parallel, closely spaced ribs defining...
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