Title:
BATTERY ELECTRODE SOURCE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2013/145876
Kind Code:
A1
Abstract:
[Problem] To provide a battery electrode source material with which a waste part in which is disposed a defect sign part of a coated film of an electrode active material which is coated upon a collector body is small. [Solution] A battery electrode source material comprises a band-shaped collector body (101), a coated film (103) of an electrode active material which is formed in the longitudinal direction upon the collector body, and an insulating protective film (107) which is formed upon a non-coated face of the electrode active material of the collector body along the longitudinal direction of the coated film. A defect sign part (105), which denotes a site in the coated film where a defect part (104a) is present, is disposed upon the insulating protective film (107).
Inventors:
UKITA AKIO (JP)
Application Number:
PCT/JP2013/052894
Publication Date:
October 03, 2013
Filing Date:
February 07, 2013
Export Citation:
Assignee:
NEC ENERGY DEVICES LTD (JP)
UKITA AKIO (JP)
UKITA AKIO (JP)
International Classes:
H01M4/04; H01M4/13; H01M4/139
Foreign References:
| JP2009266739A | 2009-11-12 | |||
| JP2007066821A | 2007-03-15 | |||
| JP2009043515A | 2009-02-26 | |||
| JP2010009818A | 2010-01-14 | |||
| JP2011134479A | 2011-07-07 |
Other References:
See also references of EP 2833442A4
Attorney, Agent or Firm:
YONEZAWA, Akira et al. (JP)
Akira Yonezawa (JP)
Akira Yonezawa (JP)
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