Title:
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/207933
Kind Code:
A1
Abstract:
A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein the negative electrode contains, as a negative electrode active material, graphite particles having a volume per mass, of pores having a diameter of 2 nm or less determined by the DFT method from nitrogen adsorption isotherm, of 0.3 mm3/g or less.
Inventors:
KATO YOSHIO
KIDA YOSHINORI
SHIRAGA MASAHIRO
KIDA YOSHINORI
SHIRAGA MASAHIRO
Application Number:
PCT/JP2019/006750
Publication Date:
October 31, 2019
Filing Date:
February 22, 2019
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M4/587
Foreign References:
| JPH09241013A | 1997-09-16 | |||
| JP2005050807A | 2005-02-24 | |||
| JP2015230915A | 2015-12-21 | |||
| JP2014167906A | 2014-09-11 | |||
| JP2011258585A | 2011-12-22 |
Other References:
T. PLACKE ET AL.: "Influence of graphite surface modifications on the ratio of basal plane to ''non-basal plane'' surface area and on the anode performance in lithium ion batteries", JOURNAL OF POWER SOURCES, vol. 200, 28 October 2011 (2011-10-28), pages 83 - 91, XP028125901, DOI: 10.1016/j.jpowsour.2011.10.085
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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