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7494746 |
Electrolyte for rechargeable lithium battery, and rechargeable lithium battery including same
An electrolyte for a rechargeable lithium battery includes a compound represented by Formula 1, a lithium salt, and a non-aqueous organic solvent:
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7049024 |
Membrane electrode assemblies and method for manufacture
Reel-to-Reel method for making membrane electrode assemblies. A first catalyst is deposited in a repeating cell pattern on a first side of a proton exchange membrane film. A second catalyst is...
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7033674 |
Electrical devices employing molten compositions of biomolecules
Compositions of biomolecules such as nucleic acids that form molten salts are provided. These compositions molten compositions that have useful electrical properties. Such compositions include a...
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6958197 |
Control system for sodium-sulfur battery
A control system for a sodium-sulfur battery, which is composed of a plurality of battery modules connected in series, includes a control device having at least a temperature measuring unit for...
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6902842 |
Current collector of positive electrode and sodium-sulfur battery using the same
A current collector positive electrode enabling a NaS battery to be excellent in the charge recovery characteristic and low in internal resistance is provided, which collector has a high resistance...
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6599664 |
Inorganic gel-polymer electrolyte
An anhydrous inorganic gel-polymer electrolyte is prepared using a non-aqueous sol-gel process. The inorganic gel-polymer is prepared by reacting a metal halide (SiCl 4 ) and an alcohol (tert-butyl...
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6537468 |
Composition for ionically conductive solid polymer, ionically conductive solid polyelectrolyte, binder resin, and secondary battery
The invention is directed at an ion-conductive solid polymer-forming composition, a binder resin and an ion-conductive solid polymer electrolyte comprising (A) a polymeric compound containing...
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6533964 |
Polymer, binder resin, composition for ionically conductive polymer electrolyte, and secondary battery
The invention provides a novel polymeric compound comprising polyvinyl alcohol units and having an average degree of polymerization of at least 20, in which some or all of the hydroxyl groups on...
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6475654 |
Automatic reactant dispenser for an electrolysis cell
An automatic reactant dispenser for use in an electrolysis cell for electrolyzing a reactant product into reactants, the dispenser comprising a container generally surrounding the electrodes with a...
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6475662 |
Thermal battery
An improved thermal battery with improved operating efficiency. The thermal battery utilizes both a first activatible heat source and a second independently activatible heat source. The second heat...
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6376123 |
Rechargeable positive electrodes
Disclosed are positive electrodes containing active-sulfur-based composite electrodes. The cells include active-sulfur, an electronic conductor, and an ionic conductor. These materials are provided...
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6368736 |
Reactant product valve for an electrolysis cell
A reactant product valve for an electrolysis cell. The valve comprises first and second members disposed generally horizontally in the reactant product above the electrodes. The second member...
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6329099 |
Sodium-sulfur battery, and a battery system using same
A highly reliable sodium-sulfur battery includes a cell container for the positive electrode which is hardly deteriorated by corrosion. The cell container for the positive electrode is assembled by...
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6324091 |
Tightly coupled porphyrin macrocycles for molecular memory storage
This invention provides novel high density memory devices that are electrically addressable permitting effective reading and writing, that provide a high memory density (e.g., 10 15 bits/cm 3 ),...
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6239350 |
Internal self heat piping AMTEC cell
An alkali metal thermal to electric converter (AMTEC) cell of the type employing an alkali metal flowing between a hot end of the AMTEC cell and a cold end of AMTEC cell. The AMTEC cell being...
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6168884 |
Battery with an in-situ activation plated lithium anode
A thin-film rechargeable battery includes a cathode film; including a lithium transition metal oxide, an electrolyte film coupled to the cathode film, the electrolyte film being substantially...
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6025094 |
Protective coatings for negative electrodes
Disclosed is an alkali metal negative electrode having a protective layer. Specifically, the disclosed negative electrode includes a glassy or amorphous surface protective layer which conducts...
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6013192 |
Sodium hydroxide compositions for use in battery systems
The present invention relates to a dry composition of materials to be used n a battery system. The dry composition comprises a mixture consisting of sodium hydroxide and sodium oxide. In a first...
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6007943 |
High temperature electrochemical cell with molten alkali metal anode
An electrochemical cell comprises a housing defining an interior space, and a separator in the housing dividing said space into an anode compartment and a cathode compartment. A sodium anode is in...
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5998728 |
Ionically insulating seal for alkali metal thermal to electric conversion (AMTEC) cells
The present invention provides an ionic and electronic insulator interposed between a BASE tube and a tube mounting member in an AMTEC cell for preventing shunt currents from forming between BASE...
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5972533 |
Electrochemical cell comprising a molten salt electrolyte containing sodium iodide
The invention provides a high temperature rechargeable electrochemical power storage cell a method of operating such cell, a cathode for the cell and a method of making the cell. A solid...
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5968673 |
Solid electrolyte thin film and method for producing the same
The present invention relates to a solid electrolyte thin film and a manufacturing method for the same. The solid electrolyte thin film of the present invention comprises yttrium stabilized...
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5952605 |
Graded porosity artery for alkali metal thermal to electric conversion (AMTEC) cells
The present invention provides an alkali metal thermal to electric conversion (AMTEC) cell of the type employing an alkali metal flowing between a high-pressure zone and low-pressure zone in the...
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5939221 |
Method of recovering Na from sodium-sulfur cells
After opening spent NaS cells, one or more NaS cells are loaded to and maintained in separator plates within a heating tank in such a way that the opening or openings thereof are oriented...
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5939666 |
Evaporation front position control in alkali metal thermal electric conversion (AMTEC) cells
The present invention provides an alkali metal thermal to electric conversion (AMTEC) cell of the type employing an alkali metal flowing between a high-pressure zone and low-pressure zone in the...
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5817434 |
High temperature storage battery
A high temperature storage battery comprises a battery housing defining a cell storage cavity, and a plurality of non-aqueous high temperature electrochemical cells within the storage cavity. A...
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5792575 |
Lithium sulfur secondary battery and elecrode material for a non-aqueous battery
A lithium sulfur secondary battery is provided with a cathode containing a highly basic polymer compound in a composition or in a form of a film. The lithium sulfur secondary battery gives a longer...
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5763117 |
Electrochemical cell
A high temperature rechargeable electrochemical cell comprises a housing in the form of a canister which is polygonal in cross-section so that it has a plurality of peripherally spaced corners. A...
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5731101 |
Low temperature ionic liquids
A low temperature molten ionic liquid composition comprising a mixture of a metal halide and an alkyl-containing amine hydrohalide salt is described which is useful as a catalyst and a solvent in...
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5723230 |
Oligosulfide type electrode material and secondary battery containing such electrode material
There is provided a disulfide type electrode material that can realize a remarkably improved energy density if used in a secondary battery as well as a secondary battery that shows a remarkably...
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5716731 |
Electrochemical cell
A high temperature rechargeable electrochemical cell is provided, comprising a housing divided by a pair of concentric separator tubes into two anode compartments each containing molten alkali...
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5648183 |
Aluminum and sulfur electrochemical batteries and cells
A battery is provided comprising an aluminum anode, an aqueous sulfur catholyte, and a second electrode capable of reducing sulfur. A polysulfide cathode (for use with the above battery or...
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5633098 |
Batteries containing single-ion conducting solid polymer electrolytes
Novel batteries containing single-ion conducting polymer electrolytes (SPEs) are provided. The polymers are polysiloxanes substituted with fluorinated poly(alkylene oxide) side chains having...
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5612154 |
Beta-alumina solid electrolyte
A beta-alumina solid electrolyte for use in a sodium-sulfur battery is composed of beta-alumina crystals having a degree of orientation toward the C axis thereof, of 0.2-0.4 and an aspect ratio of...
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5604053 |
Electrochemical cell
The invention provides an electrochemical cell, a cathode therefor and methods of making them. The cell is of the high temperature alkali metal/transition metal halide type, having a molten sodium...
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5587252 |
Process for disposing of spent NaS cells
A process is disclosed for disposing of a spent NaS cell, which process comprises the steps of: cutting an opening in the NaS cell for flowing out sodium from the cell and allowing an inner tube to...
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5585208 |
Alkaline gel electrolyte for electrochemical cells
An alkaline gel electrolyte for an electrochemical cell is based on a polymeric binder of polyvinyl alcohol or polyvinyl acetate. Potassium hydroxide and/or sodium hydroxide is blended into the...
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5582623 |
Methods of fabricating rechargeable positive electrodes
Disclosed are methods of making solid-phase active-sulfur-based composite electrodes. The method begins with a step of combining the electrode components (including an electrochemically active...
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5578389 |
Process for disposing of sodium sulfur cells
A process for disposing of sodium sulfur cells, comprising the steps of: cross-cutting each of the cells to form an opening; setting a plurality of the cells, as one set, into a work-setting pipe...
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5573873 |
Long life NA/NiCl.sub.2 cells
The premature capacity failure of Ni/NiCl 2 secondary cells due to agglomeration of nickel particles on the surface of the NiCl 2 cathode is prevented by addition of a minor amount, such as 10...
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5554457 |
Foil positive electrodes in sodium-nickel chloride batteries
Power density of a sodium/transition metal halide cell, particularly a Na/NiCl 2 cell is enhanced by forming a high area foil nickel chloride electrode such as a film of sintered nickel chloride...
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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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5536593 |
Electrochemical cell
An electrochemical cell having a bimodal positive electrode, a negative electrode of an alkali metal, and a compatible electrolyte including an alkali metal salt molten at the cell operating...
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5532077 |
Rechargeable positive electrode
Disclosed are battery cells comprising a sulfur-based positive composite electrode. Preferably, said cells are secondary cells, and more preferably thin film secondary cells. In one aspect, the...
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5516598 |
Secondary cell using organosulfur/metal charge transfer materials as positive electrode
A novel battery cell is disclosed which is characterized by a metal-organosulfur positive electrode which has one or more metal-sulfur bonds wherein when the positive electrode is charged and...
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5514489 |
Electrochemical storage cell with additional closure seal
An electrochemical storage cell is bounded by a metallic casing and has a cup-shaped solid electrolyte on the inside which separates an anode compartment from a cathode compartment. The storage...
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5472806 |
Electrochemical cell
A high temperature rechargeable electrochemical cell has a housing containing an anode and a cathode, and divided by a sodium ion-conducting solid electrolyte separator into an anode compartment...
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5472805 |
Carbon/carbon materials useful as NA/S battery container/current collector
The invention is directed to an electrically conductive current collector suitable for use in corrosive environments at high temperatures. The current collector comprises a shaped carbon/carbon...
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5462818 |
High temperature sodium-graphite electrochemical cell
An electrochemical cell is provided using graphite immersed in molten NaA 4 (mp150° C.) as the cathode, liquid sodium as the anode and β alumina as the sodium ion conducting solid electrolyte to...
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5441831 |
Cells having cathodes containing polycarbon disulfide materials
The present invention relates to an electric current producing cell which contains an anode, a cathode having as a cathode-active material one or more carbon-sulfur compounds of the formula (CS x )...
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