METHOD OF MAKING POLYMER ELECTROLYTE ELECTROCHEMICAL CELLS
The invention relates to a method for the preparation of a polymer electrolyte electrochemical cell using an electrolyte precursor, said precursor comprising one or more solvents, one or more salts and a polymer which dissolves in the solvent at a first temperature (Tdissol) and which is capable of...
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| creator | YDE-ANDERSEN, STEEN TOPSOE, MARTIN WENDSJO, ASA |
| description | The invention relates to a method for the preparation of a polymer electrolyte electrochemical cell using an electrolyte precursor, said precursor comprising one or more solvents, one or more salts and a polymer which dissolves in the solvent at a first temperature (Tdissol) and which is capable of forming a gel on subsequent cooling following heating to a second temperature (Tgel). Tdissol being lower than Tgel, which method comprises: (a) heating the electrolyte precursor to Tdissol; (b) optionally cooling the electrolyte precursor, (c) incorporating the electrolyte precursor into the electrochemical cell; (d) heating the electrochemical cell to Tgel; (e) cooling the polymer electrochemical cell to ambient temperature to bring about gelling of the polymer electrolyte. Preferably the polymer is a homopolymer or copolymer from the group of monomers of vinyl fluoride, vinylidenefluoride, trifluoroethylene, tetrafluoroethylene and hexafluoropropylene. |
| format | Patent |
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Tdissol being lower than Tgel, which method comprises: (a) heating the electrolyte precursor to Tdissol; (b) optionally cooling the electrolyte precursor, (c) incorporating the electrolyte precursor into the electrochemical cell; (d) heating the electrochemical cell to Tgel; (e) cooling the polymer electrochemical cell to ambient temperature to bring about gelling of the polymer electrolyte. 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Tdissol being lower than Tgel, which method comprises: (a) heating the electrolyte precursor to Tdissol; (b) optionally cooling the electrolyte precursor, (c) incorporating the electrolyte precursor into the electrochemical cell; (d) heating the electrochemical cell to Tgel; (e) cooling the polymer electrochemical cell to ambient temperature to bring about gelling of the polymer electrolyte. 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Tdissol being lower than Tgel, which method comprises: (a) heating the electrolyte precursor to Tdissol; (b) optionally cooling the electrolyte precursor, (c) incorporating the electrolyte precursor into the electrochemical cell; (d) heating the electrochemical cell to Tgel; (e) cooling the polymer electrochemical cell to ambient temperature to bring about gelling of the polymer electrolyte. Preferably the polymer is a homopolymer or copolymer from the group of monomers of vinyl fluoride, vinylidenefluoride, trifluoroethylene, tetrafluoroethylene and hexafluoropropylene.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | METHOD OF MAKING POLYMER ELECTROLYTE ELECTROCHEMICAL CELLS |
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