USPatentGranted
B2

Electrode for secondary battery, slurry for secondary battery electrode, and secondary battery

Granted 23 Sep 2014 · 2 office actions

Assignee: Zeon Corporation

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Inventors: Kei Kobayashi, Toshiyuki Sekine, Yasuhiro Wakizaka · Examiner: Tracy Dove · AU 1726 · TC 1700

Life of the patent

3 dated events
⤢ drag to zoomJul 2010Jan 2011Jul 2011Jan 2012Jul 2012Jan 2013Jul 2013Jan 2014Jul 2014Prosecution
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Abstract

A secondary battery electrode which suppresses decrease in capacity and lithium deposition at low temperatures is provided. An electrode for a secondary battery includes an electrode active material layer containing a polymer having a cationic group, an anion corresponding to the cationic group, and an electrode active material, and the cation density in the polymer is 0.1 to 15 meq/g.

Claims

6 · 2 independent · depth 2
123456
6 granted claims

Classifications

7 codes
IPC · International Patent Classification
Section H — Electricity
  • H01M10/0525
  • H01M4/62
  • H01M4/24
  • H01M4/32
  • H01M4/13
USPC · US Patent Classification
429/217429/232

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File wrapper

Pendency
4.2 y
1,546 days filing → grant
Office actions
1
non-final + final
Responses
1
no RCE
Examiner
Tracy Dove
art unit 1726 · TC 1700
Citations: 19 back · 0 forward

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20120107690 A13 May 2012

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Citations

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