Title:
鉛蓄電池
Document Type and Number:
Japanese Patent JP6658730
Kind Code:
B2
Abstract:
A lead acid battery including: positive and negative electrode plates each including a positive or negative electrode grid and a positive or negative electrode active material, the positive and negative electrode plates being stacked alternately with a separator therebetween to form an electrode plate group. The battery further includes: positive and negative straps integrated with current collecting tabs of the positive or negative electrode plates collectively for each electrode plate group; a battery container having a plurality of cell chambers each containing the electrode plate group and an electrolyte; and a cover sealing an opening of the battery container. A boundary layer containing bismuth is provided at a boundary between the current collecting tab of the negative electrode plate and the negative strap. The negative electrode grid comprises a lead-calcium-tin alloy containing tin in an amount of 0.45 mass% or less.
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Inventors:
Kazu Ando
Takuya Kikuchi
Etsuko Ogasawara
Takuya Kikuchi
Etsuko Ogasawara
Application Number:
JP2017505756A
Publication Date:
March 04, 2020
Filing Date:
December 18, 2015
Export Citation:
Assignee:
Gs Yuasa Co., Ltd.
International Classes:
H01M50/541; H01M4/73; H01M10/06; H01M10/08
Domestic Patent References:
| JP6310120A | ||||
| JP2014241306A | ||||
| JP2008146960A |
Attorney, Agent or Firm:
Kawasaki/Hashimoto Patent Office
Shinichi Kawasaki
Yuko Tsumura
Shinichi Kawasaki
Yuko Tsumura