| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive separator without using a porous film. SOLUTION: In a nonaqueous electrolyte battery composed of a positive electrode, a negative electrode and nonaqueous electrolyte, either one of the electrodes has a conductive active material layer 2 formed on a collector of metal foil, and furthermore, an electronically insulating porous layer 3 is formed on the active material layer 2. The porous layer 3 is made by removing and drying solvent after coating the active material layer 2 on metal foil 1 first and then sprinkling electronically insulating powder bodies on it. Since the electronically insulating porous material layer performs function of a separator in the past, expensive porous film is not required to be used for the separator. |
