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Title:
LITHIUM METAL COMPOSITE OXIDE POWDER, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY CELL, POSITIVE ELECTRODE FOR LITHIUM SECONDARY CELL, AND LITHIUM SECONDARY CELL
Document Type and Number:
WIPO Patent Application WO/2018/110256
Kind Code:
A1
Abstract:
This lithium metal composite oxide powder comprises primary particles and secondary particles formed by aggregation of the primary particles. Said lithium metal composite oxide powder is represented by compositional formula (1), and said lithium metal composite oxide powder satisfies all of the conditions of (A), (B), and (C).

Inventors:
IMANARI YUICHIRO (JP)
MATSUMOTO KAYO (JP)
Application Number:
PCT/JP2017/042388
Publication Date:
June 21, 2018
Filing Date:
November 27, 2017
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
TANAKA CHEMICAL CORP (JP)
International Classes:
H01M4/505; C01G53/00; H01M4/525
Domestic Patent References:
WO2015182665A12015-12-03
WO2004082046A12004-09-23
WO2015111740A12015-07-30
WO2016060105A12016-04-21
WO2015189740A12015-12-17
WO2005124898A12005-12-29
WO2005028371A12005-03-31
WO2005020354A12005-03-03
WO2004082046A12004-09-23
WO2015182665A12015-12-03
Foreign References:
JP2016242573A2016-12-14
JP2004220897A2004-08-05
JP2002201028A2002-07-16
US20050220700A12005-10-06
EP3151316A12017-04-05
Other References:
HIRAMATSU ET AL.: "Formula (A", JOURNAL OF THE MINING AND METALLURGICAL INSTITUTE OF JAPAN, vol. 81, 1965
IZUMI NAKAIFUJIO IZUMI: "Practice of powder X-ray analysis, Introduction to Rietveld method", 20 June 2006
YOSHIO WASEDAMATSUBARA EIICHIRO: "X-ray structure analysis, determine arrangement of atoms", 30 April 2002
See also references of EP 3556732A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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