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Patent Searching and Data


Title:
NEGATIVE ELECTRODE MATERIAL FOR STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/180212
Kind Code:
A1
Abstract:
Provided is a negative electrode material for a storage device, the material comprising: a matrix formed of a metal glass containing Fe and/or Ni; and an Si primary phase dispersed in the matrix. The Si crystallite size in the Si primary phase is 20 nm or smaller. According to the present invention, obtained is a negative electrode for a storage device, which has a large storage capacity, and for which a reduction in storage capacity due to repeated charging and discharging is suppressed.

Inventors:
HIRONO Tomoki (3007, Aza-Ichimonji, Nakashima, Shikama-ku, Himeji-sh, Hyogo 77, 〒6728677, JP)
TAKASU Ichiro (3007, Aza-Ichimonji, Nakashima, Shikama-ku, Himeji-sh, Hyogo 77, 〒6728677, JP)
Application Number:
JP2018/008122
Publication Date:
October 04, 2018
Filing Date:
March 02, 2018
Export Citation:
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Assignee:
SANYO SPECIAL STEEL CO., LTD. (3007, Aza-Ichimonji Nakashima, Shikama-ku, Himeji-sh, Hyogo 77, 〒6728677, JP)
International Classes:
H01M4/38; B22F1/00; C22C30/00; C22C45/02; C22C45/04; H01G11/30
Domestic Patent References:
WO2000017949A12000-03-30
Foreign References:
JP2007095363A2007-04-12
JP2003282053A2003-10-03
JPH10223221A1998-08-21
JP2009099371A2009-05-07
Attorney, Agent or Firm:
TAKAMURA Masaharu et al. (Maxwell International IP Law Firm, Unity Forum II 6F 1-4-1 Nerima, Nerima-k, Tokyo 01, 〒1760001, JP)
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