Title:
二次電池及びその製造方法
Document Type and Number:
Japanese Patent JP5560243
Kind Code:
B2
Abstract:
A secondary battery which can maintain alignment between a first electrode plate and a second electrode plate and can improve the cell stability and life characteristic of the battery. A secondary battery includes an electrode assembly including a first electrode plate; a second electrode plate; a first separator between the first electrode plate and the second electrode plate and including a central portion and an outer portion at a periphery of the central portion; and a second separator at a side of the first electrode plate or the second electrode plate opposite a side facing the first separator, the second separator including a central portion and an outer portion at a periphery of the central portion of the second separator, and the outer portion of the first separator and the outer portion of the second separator contact each other at least at a joining part.
Inventors:
朴 溶 均
Application Number:
JP2011168128A
Publication Date:
July 23, 2014
Filing Date:
August 01, 2011
Export Citation:
Assignee:
Samsung SDI Samsung SDI Co, Inc.., Ltd.
International Classes:
H01M10/04; H01M50/466; H01M50/55; H01M50/557
Attorney, Agent or Firm:
Nobuyuki Matsunaga
Crossing Tetsuji
Hidekazu Miyoshi
Masakazu Ito
Crossing Tetsuji
Hidekazu Miyoshi
Masakazu Ito