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Patent Searching and Data


Title:
NEGATIVE-ELECTRODE MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/138861
Kind Code:
A1
Abstract:
Provided are: a negative-electrode material for a secondary battery, the negative-electrode material for a secondary battery including a negative electrode active material and carbon nanotubes, the negative electrode active material containing graphite and elemental silicon, and the carbon nanotubes having an average fiber diameter of 0.5-6 nm and an average fiber length of 1.2-8 μm; and a secondary battery having a negative electrode that includes the negative-electrode material for a secondary battery, a positive electrode, a separator arranged between the positive electrode and the negative electrode, and an electrolyte solution.

Inventors:
HASEGAWA MASAKI
YAMAMOTO NORIHISA
WATANABE TAKASHI
Application Number:
PCT/JP2021/048000
Publication Date:
June 30, 2022
Filing Date:
December 23, 2021
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M4/38; H01M4/36; H01M4/587; H01M4/62; H01M10/0525; H01M10/0566
Foreign References:
JP2017084759A2017-05-18
JP2015185229A2015-10-22
JP2016139548A2016-08-04
JP2014146519A2014-08-14
Attorney, Agent or Firm:
KAWASAKI, HASHIMOTO AND PARTNERS (JP)
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