Title:
POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/221442
Kind Code:
A1
Abstract:
This positive electrode active material for a lithium secondary battery comprises secondary particles that are formed by aggregation of primary particles capable of doping and dedoping lithium ions, wherein the secondary particles show a pore distribution, as measured by a mercury intrusion method, in which the total specific surface area of pores having a pore size of 10-50 nm is 0.27-0.90 m2/g.
Inventors:
KAGEURA JUN-ICHI (JP)
MAEDA YUSUKE (JP)
MAEDA YUSUKE (JP)
Application Number:
PCT/JP2018/020304
Publication Date:
December 06, 2018
Filing Date:
May 28, 2018
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
TANAKA CHEMICAL CORP (JP)
TANAKA CHEMICAL CORP (JP)
International Classes:
H01M4/525; H01M4/36; H01M4/505
Domestic Patent References:
| WO2016195036A1 | 2016-12-08 |
Foreign References:
| JP2005123179A | 2005-05-12 | |||
| JP2015018678A | 2015-01-29 | |||
| JP2014241229A | 2014-12-25 | |||
| JP2017045725A | 2017-03-02 | |||
| JP2009224288A | 2009-10-01 | |||
| JP2017108483A | 2017-06-15 | |||
| JP2017193112A | 2017-10-26 | |||
| JPH0982312A | 1997-03-28 | |||
| JP2005310421A | 2005-11-04 | |||
| JP2002201028A | 2002-07-16 |
Other References:
See also references of EP 3633774A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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