Matches 1 - 50 out of 98 1 2 >
Match Document Document Title
6878491 Solid polymer electrolyte and use thereof  
A polyether copolymer having a weight-average molecular weight of 10 4 to 10 7 , formed from 3 to 30% by mol of a repeating unit derived from propylene oxide, 96 to 69% by mol of a repeating unit...
6673496 Thin lithium secondary cell  
A film-type lithium secondary battery in which at least one of a positive electrode ( 2 ), a negative electrode ( 3 ) and a separator ( 1 ) contains an electrolyte having a specified structure, the...
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...
6656634 Non-aqueous electrolytic secondary cell  
A non-aqueous electrolytic cell having a positive electrode, which has a positive electrode active material layer containing, at least a positive electrode active material; a negative electrode,...
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...
6469107 Ion-conductive polymer electrolyte composition of polyglycidol  
An ion-conductive polymer electrolyte composition comprising a polymeric polyol such as polyglycidol or a derivative thereof, an ion-conductive salt and a crosslinkable functional group-bearing...
6444369 Gelled polymer electrolyte lithium secondary cell  
The battery of this invention includes a positive electrode including a gelled polymeric electrolyte (A) and using spinel type lithium manganese oxide as an active material; a negative electrode; a...
6329103 Solid electrolyte and method for producing it  
A solid electrolyte is disclosed, which comprises a crosslinked product of an alkylene oxide polymer having a polymerizable double bond at the terminal and/or in the side chain, and an electrolytic...
6180287 Polyether copolymer and solid polymer electrolyte  
A solid polymer electrolyte obtained by blending (1) a polyether copolymer having a main chain, which is derived form ethylene oxide, and a side chain having two oligooxyethylene groups, (2) an...
6162563 Polymer Solid Electrolyte  
A polymer solid electrolyte obtained by blending (1) a polyether copolymer having a main chain derived form ethylene oxide and an oligooxyethylene side chain, (2) an electrolyte salt compound, and...
6159389 Polyether copolymer and crosslinked solid polymer electrolyte  
A polyether copolymer having a weight-average molecular weight of 10 4 to 10 7 , comprising 5 to 40% by mol of a repeating unit derived from epichlorohydrin, 95 to 60% by mol of a repeating unit...
6077897 Polymeric composite electrolyte and process for producing same  
A process for producing a WPU-PEO based composite electrolyte is disclosed. The process includes steps of a) providing a polyurethane material as a matrix material; b) dispersing the matrix...
6022642 Lithium ion battery containing an electrically insulative film  
A lithium ion battery includes a thin film of an electrical insulating material such as resin, a positive collector made of an electrically conductive thin film provided on one side of said...
6004698 Solid polymer electrolyte electrochemical storage cell containing a redox shuttle additive for overcharge protection  
A class of organic redox shuttle additives is described, preferably comprising nitrogen-containing aromatics compounds, which can be used in a high temperature (85° C. or higher) electrochemical...
5874185 Polymer electrolyte material for use in lithium and lithium ion batteries  
A polymer electrolyte for use in lithium batteries is disclosed. It contains: (a) a poly(vinyl chloride-co-vinyl acetate), or PVCAC, which is a copolymer containing 5 to 25 mol % of a vinyl...
5873915 Electrolytic membrane and process for its photo-crosslinking on a cathodic membrane  
Electrolytic membrane for light rechargeable batteries essentially consisting of: 1) polymer deriving from the photopolymerization of a mixture essentially consisting of a vinyl ether having the...
5677082 Compacted carbon for electrochemical cells  
This invention provides compacted carbon that is useful in the electrode of an alkali metal/carbon electrochemical cell of improved capacity selected from the group consisting of: (a) coke...
5645960 Thin film lithium polymer battery  
A solid state electrochemical cell comprising: (a) an electrolyte comprising a polymeric matrix, an inorganic salt and a solvent; (b) an anode comprising a thin film of lithium metal or an...
5643689 Non-liquid proton conductors for use in electrochemical systems under ambient conditions  
A non-liquid proton conductor membrane for use in an electrochemical system, under ambient conditions, the electrochemical system comprising (a) an anode plate; (b) a cathode plate; and (c) a...
5599355 Method for forming thin composite solid electrolyte film for lithium batteries  
A composite solid electrolyte film is formed by dissolving a lithium salt such as lithium iodide in a mixture of a first solvent which is a cosolvent for the lithium salt and a binder polymer such...
5591543 Secondary electrochemical cell  
The invention relates to novel cathodes for secondarylithium cells and to lithium cells which contain such cathodes. The secondary cells can be charged and discharged substantially more times than...
5580682 Solid electrolytes, containing oxyalkylene solvents and/or oxyalklene polymers and electrolytic cells produced therefrom  
This invention is directed to solid electrolytes containing a solvent and, in particular, a solvent containing an oxyalkylene group and another functional group such as a carbonate, urethane or...
5576115 Composite polymeric electrolyte  
Composite, ternary, polymeric system formed by intimately mixing a polymeric compound, a metal salt, and a ceramic additive acting both as agent promoting the transport features (conductivity and...
H001576 Solid polymer electrolyte having an increased conductivity and solid state cell including the electrolyte  
A solid polymer electrolyte having an increased conductivity is provided luding a solution of at least one lithium salt in at least one polymer host, and wherein said solid polymer electrolyte also...
5541019 Metal hydride electrochemical cell having a polymer electrolyte  
An improved metal hydride hydrogen storage alloy electrochemical cell (10) includes a positive electrode (20) and a negative electrode (30) having disposed therebetween, a polymer electrolyte (40)....
5529707 Lightweight composite polymeric electrolytes for electrochemical devices  
Lightweight composite polymeric electrolytes which contain a lightweight inorganic filler, such as oxides of lithium, magnesium and sodium and which is formed by complexing an alkaline metal...
H001546 Solid polymer electrolyte and electrochemical cell including said electrolyte  
A solid polymer electrolyte is provided including a solid solution of a lium salt such as LiCF 3 SO 3 in a polymer host such as poly(ethylene oxide). The electrolyte also includes a small amount...
5523180 Ionically conductive material having a block copolymer as the solvent  
An ionically conductive material and its use are described. The material comprises at least one salt dissolved in a polymeric solvent and is characterized in that the polymeric solvent essentially...
RE35257 Branched poly(hydroxyalkanoate) polymer salt electrolytic compositions and method of preparation  
Compositions and method for providing a solid conductive electrolyte composition containing a polyhydroxyalkanoate poly(hydroxyalkanoate) (PHA) and a salt of a conductive metal are described....
5521023 Composite electrolytes for electrochemical devices  
A solid state polymer electrolyte composite which is formed by coating an inert electrically insulating ribbon or sheet of expanded or perforated plastic film with a liquid, ion-conductive polymer,...
5518839 Current collector for solid electrochemical cell  
A solid state electrochemical cell comprising: (i) an anode; (ii) a cathode; (iii) interposed between the anode and cathode, a polymeric electrolyte; and (iv) adjacent to either the...
5512389 Rechargeable non-aqueous thin film lithium battery  
The non-aqueous thin film rechargeable lithium battery described has a negative electrode comprising a polymer laminate having embedded therein carbon, and a layer of fine carbon agglomerated with...
5510209 Solid polymer electrolyte-based oxygen batteries  
This invention features polymer-based batteries comprising metal anodes and an oxygen gas cathode. The oxygen is not stored in the battery but rather it is accessed from the environment. This...
5496662 Cathode material for an electric cell  
The present invention concerns an electrode for an electrochemical primary cell, the electrode comprising a first electron conducting compound and a second ion conducting compound which consists of...
5472808 Solid electrolyte and batteries  
A composite solid electrolyte having a transference number above 0.5 for use in primary or secondary electrochemical cells. The solid electrolyte includes non-conductive oxide particles, of less...
5455127 Fire resistant curable solid electrolytes and electrolytic cells produced therefrom  
This invention is directed to a solid electrolyte containing a polymeric matrix, a salt, a solvent, a viscosifying agent, and a flame retardant, as well as electrolytic cells prepared from such...
5437943 Positive electrode and secondary battery using the same  
A positive electrode is composed of a film-shaped active material, which is composed of a conducting polymer serving as a first active material, and an electrochemical active material serving as a...
5437942 Lithium secondary battery  
A lithium secondary battery includes a positive electrode, an electrolyte layer having a solid polymer electrolyte, and a negative electrode using metallic lithium or lithium alloy as an active...
H001462 Solid state electrochemical lithium/polymer cell  
A lithium electrochemical cell is provided that provides many cycles with loss in capacity. The cell contains an ion conducting solid polymer electrolyte and an electronically conductive,...
5429890 Cathode-active material blends of Li.sub.x Mn.sub.2 O.sub.4  
A solid secondary lithium electrochemical cell comprises a physical mixture of Li x Mn 2 O 4 (spinel) and at least one lithiated metal oxide selected from the group consisting of Li x NiO 2 ...
5424150 Polymeric solid electrolyte  
A polymeric solid electrolyte comprising a high molecular compound and a salt wherein the high molecular compound is a product formed by graft-polymerizing an alkylene oxide to the saponification...
5418086 Battery with coulometric state of charge indicator  
A thin film coulometer for use as a battery state of charge indicator in which the indicator is located on a battery and connected in parallel across a current path of a resistive segment of the...
5360686 Thin composite solid electrolyte film for lithium batteries  
A composite solid electrolyte film for a lithium battery comprising a dispersion of small reinforcing particles such as alumina in a binder rein such as polyethylene oxide. The particles are coated...
5358658 Method for mixing LiPF.sub.6 electrolytes at elevated temperatures  
Disclosed are methods for mixing lithium hexafluorophosphate (LiPF 6 ) salt into a solution suitable for use in preparing a solid electrolyte while inhibiting decomposition of this salt. Such solid...
5352544 Fast ion conductors  
In units comprising solid polymer electrolytes, the ionic conductivity of such electrolytes is increased by mechanically exciting the units. Such units can be solid state batteries or...
5350646 Ionically conductive polymeric materials  
The present invention relates to ionically conductive polymeric materials, to their preparation and to their use as a solid electrolyte. The materials comprise a solid solution of one or more salts...
5348824 Process of coating by melt extrusion a solid polymer electrolyte on positive electrode of lithium battery  
Polymer based amorphous compositions are melt extruded in the form of thin films, directly on the positive electrode of an all solid lithium battery. This procedure has many advantages as compared...
5324599 Reversible electrode material  
The present invention provides an electrode material comprising a combination of a compound having a disulfide group and a conductive polymer, or a conductive polymer having a disulfide group,...
5302474 Fullerene-containing cathodes for solid electrochemical cells  
This invention is directed to solid electrochemical cells containing a solid radiation cured polymer electrolyte and a cathode composed of radiation cured polymer electrolyte and fullerene.
5300374 Ion conducting polymers  
An ion conducting polymer composition is described which exhibits electrical conductivities of at least 10 -6 S/cm and has good optical properties and is easily processable. The composition...
Matches 1 - 50 out of 98 1 2 >