| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery in which a solvent of a bonding layer 5 for bonding a separator 3 is easily vaporized through grooves 1c and an electrolyte quickly penetrates into an element through the grooves 1c. SOLUTION: Many grooves 1c are formed on the surface of a mix 1b of a positive electrode 1 to which the separator 3 is bonded through the bonding layer 5. |
