| 摘要 |
PROBLEM TO BE SOLVED: To provide a metal-air battery combining the functions of a secondary battery and a fuel battery, and functioning as a secondary battery during normal time capable of receiving system power supply, and as a fuel battery when system power supply cannot be received.SOLUTION: A metal-air battery of three-pole system has a structure capable of supplying fuel metal to an auxiliary pole, and plays the fuel battery function by causing power generation reaction between the auxiliary pole and an air pole. The auxiliary pole has a cylindrical holding structure so that the fuel metal can be fed equally. |
