Title:
ELECTRICALLY CONDUCTIVE SUBSTANCE, POSITIVE ELECTRODE, AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/065832
Kind Code:
A1
Abstract:
This secondary battery is provided with a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode is provided with a positive electrode collector, and a positive electrode active substance layer that is provided to the positive electrode collector and that includes an electrically conductive substance. This electrically conductive substance includes: a plurality of electrically conductive support bodies including a carbon material; and a plurality of electrically conductive particles that are respectively supported by the plurality of electrically conductive support bodies, that include a lithium phosphate compound, and that are primary particles having an average particle size of less than 35 nm.
Inventors:
ASSRESAHEGN DESALEGN BIRHANU (CA)
GENDRON FREDERIC (CA)
ZAGHIB KARIM (CA)
ASAKAWA YUICHIRO (JP)
TSUIKI HIROFUMI (JP)
UENO HIROSHI (JP)
GENDRON FREDERIC (CA)
ZAGHIB KARIM (CA)
ASAKAWA YUICHIRO (JP)
TSUIKI HIROFUMI (JP)
UENO HIROSHI (JP)
Application Number:
PCT/JP2018/035974
Publication Date:
April 02, 2020
Filing Date:
September 27, 2018
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
HYDRO QUEBEC (CA)
HYDRO QUEBEC (CA)
International Classes:
H01M4/36; H01M4/58; H01M4/62; H01M10/052; H01M10/0566
Domestic Patent References:
| WO2012147766A1 | 2012-11-01 | |||
| WO2014051147A1 | 2014-04-03 | |||
| WO2014115670A1 | 2014-07-31 | |||
| WO2016139957A1 | 2016-09-09 |
Foreign References:
| JP2014179176A | 2014-09-25 | |||
| JP2012209032A | 2012-10-25 | |||
| JP2005123107A | 2005-05-12 | |||
| JP2013513204A | 2013-04-18 | |||
| JP2011529257A | 2011-12-01 | |||
| JPS6410384B2 | 1989-02-21 | |||
| US20160133938A1 | 2016-05-12 |
Other References:
WANG LEI ET AL.: "Nano-LiFeP04/MWCNT Cathode Materials Prepared by Room-Temperature Solid-State Reaction and Microwave Heating", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 154, no. 11, 1 November 2007 (2007-11-01), pages A1015 - A1019, XP002513827, DOI: 10.1149/1.2776231
See also references of EP 3859843A4
See also references of EP 3859843A4
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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