| 摘要 |
PROBLEM TO BE SOLVED: To provide a storage battery with prevention effect of liquid leakage the cause of which is that in a storage battery having characteristics that an electrolytic solution decomposes to generate a gas, the generated gas stays in a space formed between the electrode plate group upper face and the rear face of the upper wall, namely the space under the cap, trapping electrolytic solution existing in the vicinity in large bubbles that escape outside the storage battery. SOLUTION: In the storage battery provided with an exhaust port in the upper wall part, a tilted part rising from the battery case inner wall direction toward the exhaust port at the rear face of the upper wall is installed. COPYRIGHT: (C)2005,JPO&NCIPI
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