Flexible battery

Claim 1

A FLEXIBLE RECHARGEABLE BATTERY COMPRISING A SEALED CASING, AN ALKALINE LIQUID ELECTROLYTE WITHIN SAID CASING, A PAIR OF FLEXIBLE ELECTRODES OF OPPOSITE POLARITY IMMERSED IN SAID ELECTROLYTE, SAID ELECTRODES BEING COMPOSED OF A COMPOSITION CONTAINING ELECTROCHEMICALLY ACTIVE MATERIAL, ELECTRICALLY CONDUCTIVE MATERIAL, AND A SYNTHETIC RESIN BINDER, SAID BINDER BEING PRESENT IN SUFFICIENT QUANTITY TO BIND SAID ACTIVE MATERIAL AND SAID CONDUCTIVE MATERIAL TOGETHER BUT COMPRISING LESS THAN 25% BY VOLUME OF SAID COMPOSITION AND A FLEXIBLE ELECTRICALLY CONDUCTIVE MEMBER EMBEDDED IN THE COMPOSITION; AN ELECTRICALLY CONDUCTIVE TERMINAL MEMBER EXTENDING FROM EACH OF THE SAID ELECTRICALLY CONDUCTIVE MEMBERS, AT LEAST ONE OF SAID ELECTRODES BEING ENCAPSULATED IN A FLEXIBLE SHEATH POROUS TO SAID ELECTROLYTE, SAID SHEATH BEING COMPOSED OF A SYNTHETIC RESIN WOVEN FIBER WRAPPING IMPREGNATED WITH A POROUS COATING OF A WATERINSOLUBLE RESIN SELECTED FROM THE GROUP CONSISTING OF: POLYVINYL CHLORIDE, POLYVINYL CHLORIDEPOLYACRYLONITRILE COMPOSITIONS, POLYVINYL BUTYRAL, CELLULOSE ACETATE, POLYVINYLIDENE CHLORIDE, AND POLYVINYL CHLORIDEPOLYVINYL ACETATE COMPOSITIONS, AND DISTRIBUTED THROUGH SAID RESIN ABOUT 0.5 TO 6 PARTS BY WEIGHT, PER PART BY WEIGHT OF SAID WATERINSOLUBLE RESIN, OF A WATER-SWELLABLE POLYMER SELECTED FROM THE GROUP CONSISTING OF: POLYVINYL ALCOHOL, ZEIN, GELATIN, STARCH, CARBOXY METHYL CELLULOSE, CARBOXY ETHYL CELLULOSE, AND COLLAGENS; SAID CASING COMPRISING A PAIR OF FLEXIBLE SYNTHETIC RESIN SHEETS SEALED TO EACH OTHER AROUND THEIR PERIPHERY, WITH SAID TERMINALS EXTENDING THROUGH THE CASING, SAID SHEETS BEING NON-POROUS TO SAID ELECTROLYTE, SAID WATER-INSOLUBLE RESIN, SAID WATER-SWELLABLE RESIN, SAID SYNTHETIC RESIN, AND SAID CASING BEING MATUALLY NON-REACTIVE AND CHEMICALLY RESISTANT TO SAID ELECTROLYTE.