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Title:
ELECTROLYTE SHEET AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/001970
Kind Code:
A1
Abstract:
Disclosed is an electrolyte sheet provided with an electrolyte layer, wherein the proportion of voids observed in the cross section of the electrolyte layer in the thickness direction is 3.5 area% or less with respect to the total area of the cross section. Also disclosed is a secondary battery using said electrolyte sheet.

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Inventors:
HORIKAWA MASAYO (JP)
NISHIMURA TAKUYA (JP)
MIKUNI HIROKI (JP)
Application Number:
PCT/JP2019/026531
Publication Date:
January 07, 2021
Filing Date:
July 03, 2019
Export Citation:
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Assignee:
SHOWA DENKO MATERIALS CO LTD (JP)
International Classes:
H01M10/0565
Domestic Patent References:
WO2018186442A12018-10-11
WO2018221669A12018-12-06
Foreign References:
JP2018078030A2018-05-17
JP2009176541A2009-08-06
JP2016152204A2016-08-22
Other References:
MTEM: "Hisolv MTEM Tetraethylene Glycol Dimethyl Ether page", TOHO CHEMICAL INDUSTRY, 25 September 2019 (2019-09-25), XP055783559, Retrieved from the Internet
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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