LITHIUM METAL ANODE AND LITHIUM METAL BATTERY COMPRISING SAME

Title:

LITHIUM METAL ANODE AND LITHIUM METAL BATTERY COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2021/010753

Kind Code:

A1

Abstract:

The present invention relates to a lithium metal anode and a lithium metal battery comprising same. A lithium metal anode according to one embodiment of the present invention comprises a protective layer for stabilizing between lithium metal and an electrolyte, wherein the protective layer comprises: a polymer of alpha lipoic acid (ALA) and sulfur molecule (S8); a depolymerization product of the polymer; an inorganic sulfide-based compound; and an inorganic nitride-based compound, an inorganic nitrate-based compound or a mixture thereof.

Inventors:

YOON JONG KEON (KR)
KIM YUNJUNG (KR)
YUN HYUNWOONG (KR)
HWANG SUNWOO (KR)
HAH HOEJIN (KR)
KIM HEE-TAK (KR)
ROH YOUNGIL (KR)

Application Number:

PCT/KR2020/009338

Publication Date:

January 21, 2021

Filing Date:

July 15, 2020

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)
KOREA ADVANCED INST SCI & TECH (KR)

International Classes:

H01M4/134; H01M4/62; H01M10/052; H01M10/0567; H01M10/0568; H01M10/0569; H01M10/42

Foreign References:

KR20150062084A	2015-06-05
KR20190056839A	2019-05-27
JP2010040336A	2010-02-18
KR20160052323A	2016-05-12

Other References:

SONG JONGCHAN, NOH HYUNGJUN, LEE HONGKYUNG, LEE JE-NAM, LEE DONG JIN, LEE YUNJU, KIM CHUL HWAN, LEE YONG MIN, PARK JUNG-KI, KIM HE: "Polysulfide rejection layer from alpha-lipoic acid for high performance lithium–sulfur battery", JOURNAL OF MATERIALS CHEMISTRY A, vol. 3, no. 1, 1 January 2015 (2015-01-01), pages 323 - 330, XP055773302, ISSN: 2050-7488, DOI: 10.1039/C4TA03625E
See also references of EP 3828965A4

Attorney, Agent or Firm:

YOU ME PATENT AND LAW FIRM (KR)

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