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Title:
SPINEL-TYPE LITHIUM MANGANATE, METHOD FOR PRODUCING SAME AND USE OF SAME
Document Type and Number:
WIPO Patent Application WO/2022/138660
Kind Code:
A1
Abstract:
The present invention provides a lithium secondary battery which has excellent charge and discharge cycle characteristics at high temperatures, while having low resistance and excellent output characteristics.　A spinel-type lithium manganate which contains a phosphate salt and is represented by chemical formula Li1+XMn2-X-YMYO4 (wherein 0.02 ≤ X ≤ 0.20, 0.05 ≤ Y ≤ 0.30, and M represents Al or Mg), wherein the pore volume of pores having a pore diameter of 0.6 μm or less is from 0.003 cm3/g to 0.2 cm3/g and the relative standard deviation of secondary particle diameters is from 25% to 45%; a method for producing this spinel-type lithium manganate; and a use of this spinel-type lithium manganate.

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Inventors:
SUZUKI NAOTO (JP)
FUJII YASUHIRO (JP)
TANIGUCHI JUN (JP)
Application Number:
PCT/JP2021/047382
Publication Date:
June 30, 2022
Filing Date:
December 21, 2021
Export Citation:
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Assignee:
TOSOH CORP (JP)
International Classes:
C01G45/00; H01M4/36; H01M4/505
Domestic Patent References:
WO2009084214A12009-07-09
Foreign References:
JP2017031006A2017-02-09
JP2018095529A2018-06-21
JP5556983B22014-07-23
JP2017031006A2017-02-09
JP2020216330A
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