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Patent Searching and Data


Title:
非水電解質二次電池
Document Type and Number:
Japanese Patent JP6983867
Kind Code:
B2
Abstract:
A non-aqueous electrolyte secondary battery including an electrode body in which a positive electrode plate including a belt-shaped positive electrode current collector and a positive electrode active material layer formed on a surface of the positive electrode current collector and a negative electrode plate including a belt-shaped negative electrode current collector and a negative electrode active material layer formed on a surface of the negative electrode current collector are wound with an insulating separator interposed there between. At the outermost periphery of the electrode body, a negative electrode current collector exposed portion, in which the negative electrode current collector is exposed, is provided, and a winding-finish end of the negative electrode plate is fixed with tapes attached to the negative electrode current collector exposed portion.

Inventors:
Takaaki Oka
Kobayashi diameter
Atsushi Misawa
Application Number:
JP2019505932A
Publication Date:
December 17, 2021
Filing Date:
March 08, 2018
Export Citation:
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Assignee:
Sanyo Electric Co., Ltd.
International Classes:
H01M10/052; H01M4/133; H01M4/36; H01M10/0587
Foreign References:
WO2015146076A1
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office