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Title:
NON-AQUEOUS LITHIUM ELECTRIC STORAGE ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/156090
Kind Code:
A1
Abstract:
A non-aqueous lithium electric storage element provided with a positive electrode, a negative electrode, a separator and a non-aqueous electrolytic solution, wherein the positive electrode is provided with a positive electrode current collector and a positive electrode active material layer, the positive electrode active material layer contains a positive electrode active material, a lithium compound that is different from the positive electrode active material and a binder, the binder contains a polymer having an RED value, which is determined on the basis of a Hansen solubility parameter in a non-aqueous electrolytic solution, of more than 1, the negative electrode is provided with a negative electrode current collector and a negative electrode active material layer, the negative electrode active material layer contains a negative electrode active material capable of absorbing and releasing lithium ions, and the non-aqueous electrolytic solution contains an organic solvent and a lithium salt electrolyte.

Inventors:
UMETSU, Kazuteru (1-1-2 Yurakucho, Chiyoda-ku Tokyo, 06, 〒1000006, JP)
KUSUZAKA, Keita (1-1-2 Yurakucho, Chiyoda-ku Tokyo, 06, 〒1000006, JP)
KIMURA, Yuima (1-1-2 Yurakucho, Chiyoda-ku Tokyo, 06, 〒1000006, JP)
MORITA, Hitoshi (1-1-2 Yurakucho, Chiyoda-ku Tokyo, 06, 〒1000006, JP)
Application Number:
JP2019/004111
Publication Date:
August 15, 2019
Filing Date:
February 05, 2019
Export Citation:
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Assignee:
ASAHI KASEI KABUSHIKI KAISHA (1-1-2 Yurakucho, Chiyoda-ku Tokyo, 06, 〒1000006, JP)
International Classes:
H01G11/06; B60K6/28; H01G11/30; H01G11/46; H01G11/50; H01G11/52; H01G11/58; H01G11/86; H01M2/16; H01M4/13; H01M4/131; H01M4/133; H01M4/505; H01M4/525; H01M4/58; H01M4/62; H01M4/66; H01M10/052; H01M10/0566; H01M10/0567; H01M10/0568; H01M10/0569; H02J7/00
Domestic Patent References:
WO2017126693A12017-07-27
WO2014208454A12014-12-31
Foreign References:
JP2017017299A2017-01-19
Attorney, Agent or Firm:
AOKI, Atsushi et al. (SEIWA PATENT & LAW, Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, 〒1058423, JP)
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