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7211532 Alkali ion conductive glass-ceramics and electric cells and gas sensors using the same  
There are provided glass-ceramics having a high lithium ion conductivity which include in mol %: P 2 O 5 38–40% TiO 2 25–45% M 2 O 3 (where M is Al or Ga)  5–15% Li 2 O 10–20% and...
7211352 Single ion conductor-containing composite polymer electrolyte for lithium secondary battery and method of manufacturing the same  
Provided are a composite polymer electrolyte for a lithium secondary battery that includes a composite polymer matrix structure having a single ion conductor-containing polymer matrix to enhance...
7138775 Control for battery pack  
A battery pack of a series combination of cell units is connected with a motor drive control circuit to drive a traction motor for a vehicle. A current sensor senses a discharge/charge current of...
6924067 Polymer electrolyte and polymer lithium battery  
A polymer electrolyte includes a substrate polymer, a branched polymer, and a lithium salt. The branched polymer has a main chain whose repeating unit is composed of an oligoethylene oxide chain...
6911280 Chemical protection of a lithium surface  
Disclosed are compositions and methods for alleviating the problem of reaction of lithium or other alkali or alkaline earth metals with incompatible processing and operating environments by...
6811928 Battery with adhesion resin layer including filler  
Conventional batteries are disadvantageous in that a firm outer case must be used to maintain an electrical connection between electrodes, which has been an obstacle to size reduction. Those in...
6664006 All-solid-state electrochemical device and method of manufacturing  
All-solid-state electrochemical cells and batteries employing very thin film, highly conductive polymeric electrolyte and very thin electrode structures are disclosed, along with economical and...
6645675 Solid polymer electrolytes  
A wide range of solid polymer electrolytes characterized by high ionic conductivity at room temperature, and below, are disclosed. These all-solid-state polymer electrolytes are suitable for use in...
6632763 Alkali-metal-beta-and beta″-alumina and gallate polycrystalline ceramics and fabrication by a vapor phase method  
A ceramic composite containing alkali-metal-beta- or beta″-alumina and an oxygen-ion conductor is fabricated by converting alpha-alumina to alkali-metal-beta- or beta″-alumina. A ceramic...
6544690 Self-doped molecular composite battery electrolytes  
This invention is in solid polymer-based electrolytes for battery applications. It uses molecular composite technology, coupled with unique preparation techniques to render a self-doped, stabilized...
6537940 Alkali-metal-β- and β″-alumina and gallate polycrystalline ceramics and fabrication by a vapor phase method  
A ceramic composite containing alkali-metal-β- or β″-alumina and an oxygen-ion conductor is fabricated by converting α-alumina to alkali-metal-β- or β″-alumina. A ceramic composite with...
6485622 Lithium ion conductive glass-ceramics and electric cells and gas sensors using the same  
Lithium ion conductive glass-ceramics comprise in mol %: P 2 O 5 30-45% SiO 2 0-15% GeO 2 + TiO 2 25-50% in which GeO 2 0-50% TiO 2 0-50% ZrO 2 0-8% M 2 O 3 0<-10% where M is an element or...
6482548 Lithium-aluminum dual-cation rechargeable electrochemical battery cell  
A rechargeable battery cell ( 10 ) having high operating voltage and significantly increased specific capacity comprises a positive electrode member ( 13 ), a negative electrode member ( 17 ), and...
6419875 Method for producing beta-alumina solid electrolyte  
There is provided a method for producing a beta-alumina solid electrolyte without calcination of starting materials, according to which the step of synthesizing a magnesium-aluminum spinel starting...
6337153 Sealed non-aqueous electrolyte cell having a casing of a sheet of laminated material  
A sealed non-aqueous electrolyte cell which has a casing made of a laminated material and which inhibits deterioration in the performance of the cell attributable to a decrease in the degree of...
6300016 Polycarbonate electrolyte, the preparation thereof and polymer lithium batteries containing the same  
A polycarbonate electrolyte comprising a polycarbonate membrane matrix and a lithium salt-containing electrolytic solution impregnated into the polycarbonate membrane matrix. The polycarbonate has...
6203947 Long cycle-life alkali metal battery  
The present invention provides a cathode for use in a secondary electrochemical cell, such cathode being coated with a very thin, protective film, permeable to ions. The protective film of the...
6150053 Non-aqueous electrolyte secondary battery  
A non-aqueous electrolyte secondary battery is disclosed, which hardly causes deterioration of its properties at high temperatures. The battery has a chargeable and dischargeable cathode, a...
6096456 Film for a separator of electrochemical apparatus, and production method and use thereof  
This invention provides a film comprising a cross-linked polymer having an oxyalkylene group or a cross-linked polymer having an oxyalkylene group through a urethane bond, as a constituent...
5983488 Sol-casting of molten carbonate fuel cell matrices  
A process for manufacture of molten carbonate fuel cell matrices in which an aluminate precursor material and a lithium salt are mixed in an aqueous or organic solvent, resulting in formation of a...
5691082 Beta-alumina solid electrolyte and process for production thereof  
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...
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...
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...
5545495 Magnesia-based beta alumina sintered bodies and a process for producing the same  
A magnesia-based beta alumina sintered body having the following features: (1) the average crystalline particle diameter of beta alumina crystals as calculated assuming that the beta alumina...
5525442 Alkali metal battery  
An alkali metal battery has an alkali metal anode such as lithium in an organic anolyte and a cathode in an aqueous catholyte. An ion conductive diaphragm allows ions to migrate between the anolyte...
5510210 Solid electrolyte for sodium-sulfur secondary cell and process for preparing the same  
The present invention is directed to a solid electrolyte and a process for making the same for a sodium-sulfur secondary cell including a composition of 7.0 to 10.0 weight percent of Na 2 O, 0.5...
5458868 Method of making analogues of β-alumina  
The invention provides a method of making an analogue of β"-alumina, the analogue having a layered β"-alumina spinel-type structure in which ate least some of the Na ions in the layers of Na ions...
5405718 Electrodes and battery cells  
Ceramic electrodes of cadmium germanate and other ternary oxide materials, provide electrodes for secondary battery cells. Open circuit voltages of 1.5 volts are attainable. The absence of...
5273846 Ionically conductive bilayer solid electrolyte and electrochemical cell including the electrolyte  
An ionically conductive bilayer solid electrolyte is provided for use in an lectrochemical cell wherein the electrolyte layers are adjoining and wherein one of the electrolyte layers is in contact...
5219682 Method of making a solid electrolyte separator  
The invention provides a solid electrolyte separator for separating two electrodes from each other in an electrochemical cell. The separator is of composite layered construction and comprises at...
5175064 Fuel cells based on oxidation of organics over metal exchanged β-aluminas  
Novel fuel cells based on the fast ion conductors, transition metal exchanged β"-alumina and other similar metals capable of undergoing a change in oxidation state, which are used as catalysts for...
5154991 Flexible solid electrolyte separator for use in a high temperature electrochemical cell, method of making the separator, and electrochemical cell including the separator  
A teflon-bonded thin, flexible β"-Al 2 O 3 solid electrolyte parator is provided for use in a high temperature electrochemical cell including a sodium-lead alloy anode (Na 0 .9 Pb 0 .1) and an...
5154987 Highly conductive electrolyte composites containing glass and ceramic, and method of manufacture  
An electrolyte composite is manufactured by pressurizing a mixture of sodium ion conductive glass and an ionically conductive compound at between 12,000 and 24,000 pounds per square inch to produce...
5141827 Ion conductor or electrolyte for a galvanic element  
An ion conductor/electrolyte especially suitable for lithium batteries is comprised of a chemically inert, electronically nonconducting solid powder and an electrolyte salt solution with an aprotic...
5130210 Stabilized zirconia solid electrolyte and process for preparation thereof  
The mechanical strength of stabilized zirconia is improved without lowering the ion conductivity by providing a solid electrolyte comprising stabilized zirconia and a metal oxide dispersed within...
5112703 Electrochemical battery cell having a monolithic bipolar flat plate beta" a l  
A separator for use in an advanced rechargeable electrochemical battery cell includes a thin plate of beta" alumina affixed to a molded monolithic frame shaped similar to a window frame. The...
5059497 Composite ion-conductive electrolyte member  
A solid, composite, ion-conductive electrolyte member comprised of first and second layers which are bonded together, with the first layer being constituted of an ion-conductive material such as...
4894301 Battery containing solid protonically conducting electrolyte  
A rechargeable battery includes a solid protonically conducting electrolyte comprising hydrated aluminum oxide. Two embodiments of the battery are disclosed. In both embodiments, the negative...
4797332 Method of preparing ceramic surfaces for wetting thereof by alkali metals  
The invention provides a method of preparing a surface of a ceramic solid electrolyte conductor of alkali metal ions for wetting by said alkali metal in molten form. The method comprises doping the...
4749634 High temperature storage battery  
A high temperature, electrochemically reversible cell system comprising a divalent cation conducting solid electrolyte in contact with a positive electrode and a solid-state negative electrode...
4724191 Bonded hydrogen conducting solid electrolytes  
Hydronium bonded polycrystalline shaped articles may be produced by the simple expedient of selecting a hydronium containing powder prepared by one of a plurality of prior art methods and then...
4609596 Electrochemical devices utilizing molten alkali metal electrode-reactant  
Electrochemical cells are provided with a reactive metal to reduce the oxide of the alkali metal electrode-reactant. Cells employing a molten alkali metal electrode, e.g., sodium, in contact with a...
4578325 Power storage system using sodium-sulfur batteries  
A sodium-sulfur battery comprising molten sodium as an active material for a minus pole and molten sulfur as an active material for a plus pole, the molten sodium and molten sulfur being...
4539276 Solid electrolyte  
Solid electrolyte consisting of a ceramic of the aluminum oxide-and-sodium oxide type. The ceramic forming the solid electrolyte has a composition according to the formula ##EQU1## and consists...
4496639 Hydrogen selenide treatment of electrolytes  
A method for lowering the activation energy of a polycrystalline ceramic electrolyte is disclosed. Polycrystalline ceramic electrolytes, such as beta-alumina, when contacted with hydrogen selenide...
4439502 Galvanic element having a porous solid-electrolyte sinter framework containing the cathode material  
In a galvanic solid cell, for example of the Na/SbCl 3 systems, the cathode space is occupied by a self-supporting porous sinter framework of solid electrolyte material, in whose pores the active...
4425415 Etched beta"-alumina ceramic electrolyte  
A cationically-conductive sodium beta"-alumina electrolyte showing asymmetric polarization is contacted with phosphoric acid to produce an etched electrolyte showing no asymmetric polarization.
4407912 Electrochemical cell utilizing molten alkali metal electrode-reactant  
An improved electrochemical cell comprising an additive-modified molten alkali metal electrode-reactant and/or electrolyte is disclosed. Various electrochemical cells employing a molten alkali...
4405695 Cells having cathodes derived from alkali salts of chromium dichalcogenides  
The present invention is directed to rechargeable current-producing cell comprising: (a) an anode made by an alkali or an earth-alkali metal; (b) a non-aqueous electrolyte solution; (c) a...
4397924 High temperature solid state storage cell  
A completely solid state high temperature storage cell comprised of a solid rechargeable cathode such as TiS 2 , a solid electrolyte which remains solid at the high temperature operating conditions...
Matches 1 - 50 out of 153 1 2 3 4 >