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Title:
非水電解質二次電池の絶縁板、非水電解質二次電池および非水電解質二次電池の絶縁板の製造方法
Document Type and Number:
Japanese Patent JP4748193
Kind Code:
B2
Abstract:
An insulating plate of a nonaqueous electrolyte secondary cell is interposed between a cell element and a cover member in a nonaqueous electrolyte secondary cell including the cell element formed by stacking cathodes and anodes through separators, a cell can including a can body which houses the cell element and the cover member which closes an opening of the can body to seal the cell element, and an electrolyte injected into the cell can. The insulating plate includes a plate-shaped insulating plate body having insulating property, an injection hole which passes through the insulating plate body in the thickness direction and through which the electrolyte can be injected, and a filter member permeable to only the electrolyte and provided on one of the surfaces of the insulating plate body so as to cover the injection hole.

Inventors:
Fukase Yasuo
Katsuhiko Watanabe
Application Number:
JP2008223097A
Publication Date:
August 17, 2011
Filing Date:
September 01, 2008
Export Citation:
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Assignee:
ソニー株式会社
International Classes:
H01M2/34; H01M2/14; H01M2/16; H01M2/18; H01M2/36; H01M10/0566
Domestic Patent References:
JP2004241251A
JP10012215A
JP11350396A
Attorney, Agent or Firm:
Masatomo Sugiura