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Title:
NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/213499
Kind Code:
A1
Abstract:
This negative electrode for non-aqueous electrolyte secondary batteries comprises a negative electrode core and a negative electrode mixture layer provided on the surface of the negative electrode core and including a negative electrode active substance. The negative electrode mixture layer has: a first layer including substantially only graphite having a BET specific surface area of 0.5–2.5 m2/g, as a negative electrode active substance; and a second layer including substantially only at least either an element that alloys with lithium or a compound containing said element, as a negative electrode active substance.

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Inventors:
YOKOYAMA YUJI
TSUZUKI KOUHEI
MASAI KOHEI
Application Number:
PCT/JP2020/015865
Publication Date:
October 22, 2020
Filing Date:
April 08, 2020
Export Citation:
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Assignee:
PANASONIC CORP (JP)
International Classes:
H01M4/13; H01M4/134; H01M4/1393; H01M4/38; H01M4/48
Foreign References:
JP2015164127A2015-09-10
JP2015026579A2015-02-05
JP2015135811A2015-07-27
JP2009266705A2009-11-12
JP2015069711A2015-04-13
Other References:
See also references of EP 3958349A4
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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