二次電池 - Sanyo Electric Co., Ltd.

Title:

二次電池

Document Type and Number:

Japanese Patent JP7368080

Kind Code:

B2

Abstract:

A negative electrode includes a first region formed of a first material and a second region formed of a second material having a different ionization tendency from the first material. The negative electrode terminal includes a flange that is disposed so as to face the outer surface of a sealing plate. A sealing plate side insulating member is disposed between the flange and the sealing plate. A boundary between the first region and the second region has an exposed part that is exposed to the outside, and the exposed part is positioned at an opposite corner on the periphery of the flange to the sealing plate.

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Inventors:

Hiroshi Takabayashi
Yohei Muroya

Application Number:

JP2018162756A

Publication Date:

October 24, 2023

Filing Date:

August 31, 2018

Export Citation:

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