Title:
二次電池とその製造方法
Document Type and Number:
Japanese Patent JP6572204
Kind Code:
B2
Abstract:
Electrode 6 for a secondary battery to be laminated with another type of electrode 1, with separator 20 interposed therebetween, to constitute a battery electrode assembly, is comprised of collector 8 and active material layer 7 formed on collector 8, and electrode 6 includes a coated part in which active material layer 7 is formed on collector 8 and an uncoated part in which active material layer 7 is not formed on collector 8. Active material layer 7 includes, in at least a part of the outer peripheral portion of the coated part, high density part 7a having a smaller thickness and a higher density than those of a portion other than the outer peripheral portion.
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Inventors:
Fukatsu
Tomohiko Hayashi
Tomohiko Hayashi
Application Number:
JP2016505093A
Publication Date:
September 04, 2019
Filing Date:
January 16, 2015
Export Citation:
Assignee:
Envision aesc energy device
International Classes:
H01M4/02; H01M4/04; H01M4/13; H01M4/133; H01M4/139; H01M4/1393; H01M10/04; H01M10/0566; H01M10/0585; H01M50/103; H01M50/417; H01M50/449; H01M50/55; H01M50/553; H01M50/566
Domestic Patent References:
| JP2006024710A | ||||
| JP2005277064A | ||||
| JP2012074359A | ||||
| JP2006012835A | ||||
| JP2013171669A | ||||
| JP2014120293A |
Attorney, Agent or Firm:
Akio Miyazaki
Masaaki Ogata
Masaaki Ogata