Title:
NONAQUEOUS ELECTROLYTE SECONDARY CELL
Document Type and Number:
WIPO Patent Application WO/2013/038701
Kind Code:
A1
Abstract:
A nonaqueous electrolyte secondary cell of the present invention comprises an electrode group (4) in which a positive electrode plate (1) and a negative electrode plate (2) are wound with a separator (3) therebetween. The positive electrode plate has at the outermost circumference of the electrode group a first collector exposed part (11) in which a positive electrode collector is exposed along the length of at least one winding in the direction of winding, and has at the central part of the electrode group a second collector exposed part (12) in which the positive electrode collector is exposed along the length of at least one winding in the direction of winding. A positive electrode lead (5), which is connected to an outside electrode, is provided to the second collector exposed part.
Inventors:
SUGITA YASUNARI
ENDO KAZUKI
ISHIBASHI TATSUYA
FUJIKAWA MASATO
ENDO KAZUKI
ISHIBASHI TATSUYA
FUJIKAWA MASATO
Application Number:
PCT/JP2012/005889
Publication Date:
March 21, 2013
Filing Date:
September 14, 2012
Export Citation:
Assignee:
PANASONIC CORP (JP)
SUGITA YASUNARI
ENDO KAZUKI
ISHIBASHI TATSUYA
FUJIKAWA MASATO
SUGITA YASUNARI
ENDO KAZUKI
ISHIBASHI TATSUYA
FUJIKAWA MASATO
International Classes:
H01M10/0587; H01M50/528; H01M50/538
Foreign References:
| JPH08153542A | 1996-06-11 | |||
| JP2001110453A | 2001-04-20 | |||
| JP2007109612A | 2007-04-26 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)
Download PDF:
Claims: