| 摘要 |
PROBLEM TO BE SOLVED: To reduce internal resistance of a battery, attain size reduction, increase capacity, and improve a rapid charge/discharge characteristic and charge/discharge cycle durability by forming a positive electrode body and/or a negative electrode body of a foaming metallic plate which does not form an allay with lithium or a metallic fiber sintered plate, and filling an electrode layer inside a metallic current collecting body. SOLUTION: A positive electrode body and/or a negative electrode body are integrally formed in a condition where a current collecting body three-dimensionally expands in a mixture by filling the mixture containing an active material and a polymer electrolyte in the current collecting body composed of a foaming metallic plate which does not form an alloy with lithium or a metallic fiber sintered plate. Therefore, an average distance between the active material and the current collecting body is small, and internal resistance of an electrode body is small. Therefore, a battery having large capacity is obtained, and can endure even large electric current discharge. In the electrode body, the active material is fixed by a polymer electrolyte also having a function as a binder together with the foaming metallic plate, and even if charge/ discharge is repeated, an increase in internal resistance of the electrode body can be restrained. |
