Thin film polymer-bonded cathode

Claim 1

IN A HIGH ENERGY DENSITY CELL COMPRISING AN ACTIVE LIGHT METAL ANODE, A CATHODE AND A NONAQUEOUS ELECTROLYTE, WHEREIN THE IMPROVEMENT CONSISTS ESSENTIALLY OF, THE CATHODE HAVING A THIN CONDUCTIVE IMPERFORATE METAL SUBSTRATE IN CONTACT WITH AND BONDED TO PARTICULATE, CATHODICALLY ACTIVE MATERIAL AND OPTICALLY, CONDUCTIVITY AID, SAID BONDING BEING WITH A WATER-SOLUBLE ORGANIC POLYMER IN THE AMOUNT OF FROM 0.1 TO 15 PERCENT BY WEIGHT OF THE CATHODICALLY ACTIVE MATERIAL, CONDUCTIVITY AID AND POLYMER, SAID POLYMER SELECTED FROM THE GROUP CONSISTING OF CARBOXYMETHYLCELLULOSE, HYDROXYETHYLCELLULOSE, SOLUBLE STARCH POLYVINYL ALCOHOL AND PROTEINDERIVED CASEIN AND GELATIN, SADI CATHODICALLY ACTIVE MATERIAL BEING SELECTED FROM AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF SULFUR, THE OXIDES, SULFIDES AND HALIDES OF COPPER, LEAD SILVER, CADIUM, ZINC, COBALT AND NICKEL AND THE OXIDES OF VANADIUM, TATANIUM AND TUNGSTEN, THE POLYMER HAVING NO MORE THAN ABOUT 0.1 PERCEET SOLUBILITY IN THE ELECTROLYTE, BASED ON THE WEIGHT OF ELECTROLYTE, THE PARTICULATE MATERIAL AND THE POLYMER COMPRISING A SUBSTANTIALLY HOMOGENEOUS CONDUCTIVE FILM.