Enclosed storage battery and its manufacturing method

Details Enclosed storage battery and its manufacturing method Enclosed storage battery and its manufacturing method

H - Electricity

01

M

H01M 2/30 (2006.01) H01M 2/06 (2006.01) H01M 2/26 (2006.01)

Patent

CA 2225987

The invention relates to a square type enclosed storage battery of medium to large capacity, more particularly to a technology for realizing high volume capacity density or high output density, and is hence intended to present a square type enclosed storage battery of medium to large capacity of high reliability and small temperature rise, comprising a electrode plate group laminating plural layers of positive plates 8a and negative plates 8b through separators 8c, and a synthetic resin case 10 for accommodating the electrode plate group 8, in which a nickel-made terminal 2 has a pair of screws 2a as external output terminals of positive and negative electrodes, a pole portion 2b, a sealing groove 2c, and a current collector 2f, their central axes are designed to be nearly on a same line, plural current collectors 2f project from a flange 2d to the electrode plate group side, and the terminal 2 is fixed by a synthetic resin cover 1.

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