Title:
SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2017126400
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a secondary battery with high capacity and energy efficiency.SOLUTION: A secondary battery according to one embodiment comprises: an electrode group in which a wound body, formed by winding a positive electrode and a negative electrode overlapping each other via a separator into a flat shape, is folded with a line parallel to its winding axis direction as the center; a first terminal; a second terminal; a first lead connected to the first terminal; a second lead connected to the second terminal; a first current collector tab extending from one side of the winding axis direction so as to be connected to the first lead; and a second current collector tab extending from the other side of the winding axis direction so as to be connected to the second lead.SELECTED DRAWING: Figure 3
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Inventors:
KAWAMURA KOICHI
HASHIMOTO TATSUYA
MURASHI YASUAKI
NEGISHI NOBUYASU
SHINODA TATSUYA
TAKESHITA KOICHI
HASHIMOTO TATSUYA
MURASHI YASUAKI
NEGISHI NOBUYASU
SHINODA TATSUYA
TAKESHITA KOICHI
Application Number:
JP2014117125A
Publication Date:
July 20, 2017
Filing Date:
June 05, 2014
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
H01M10/04; H01M10/0587; H01M50/534; H01M50/536
Attorney, Agent or Firm:
Kurata Masatoshi
Yoshihiro Fukuhara
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Katsu Sunagawa
Morisezo Iseki
Tadashi Inoue
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Yoshihiro Fukuhara
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Katsu Sunagawa
Morisezo Iseki
Tadashi Inoue
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi