Title:
非水電解質二次電池とその製造方法
Document Type and Number:
Japanese Patent JP4645559
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a high-performance secondary battery using an electrode capable of alleviating inner short-circuiting of the battery.SOLUTION: The nonaqueous electrolyte secondary battery is provided with an electrode group made by winding around a cathode, an anode, and a separator, a battery can with a beading part for housing the electrode group, a sealing body for sealing the battery can, and a cathode lead for connecting the cathode and the sealing body, wherein a part of the cathode lead bent so as to oppose to the beading part has a curvature radius of 0.15 to 0.5 mm.
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Inventors:
Kazuo Sugiyama
Koichi Kondo
Koichi Kondo
Application Number:
JP2006230329A
Publication Date:
March 09, 2011
Filing Date:
August 28, 2006
Export Citation:
Assignee:
Ube Industries,Ltd.
International Classes:
H01M4/64; H01M10/05; H01M10/0587; H01M50/528
Domestic Patent References:
| JP4329259A | ||||
| JP64009358U | ||||
| JP2119348U | ||||
| JP8007877A | ||||
| JP9045360A |
Attorney, Agent or Firm:
Keishiro Takahashi
Mikio Kuruyama
Mikio Kuruyama