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Title:
SOLID ELECTROLYTE BATTERY AND BATTERY MODULE AND BATTERY PACK COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2019/208959
Kind Code:
A1
Abstract:
The present invention relates to a solid electrolyte battery and a battery module comprising same, the solid electrolyte battery comprising: a negative electrode current collector; a first negative electrode active material layer formed on at least one surface of the negative electrode current collector and including a first negative electrode active material, a first solid electrolyte, and a first electrolyte salt; and a second negative electrode active material layer formed on the first negative electrode active material layer and including a second negative electrode active material, a second solid electrolyte, a second electrolyte salt, and a plasticizer having a melting point of 30°C to 130°C, wherein the solid electrolyte battery is activated at a temperature in the range between the melting point of the plasticizer and 130°C, and a solid electrolyte interphase layer (SEI layer) is formed on a surface of the second negative electrode active material.

Inventors:
RYU, Ji-Hoon (LG Chem Research Park, 188 Munji-ro,,Yuseong-Gu, Daejeon, 34122, KR)
LEE, Jung-Pil (LG Chem Research Park, 188 Munji-ro,,Yuseong-Gu, Daejeon, 34122, KR)
KANG, Sung-Joong (LG Chem Research Park, 188 Munji-ro,,Yuseong-Gu, Daejeon, 34122, KR)
KIM, Eun-Bee (LG Chem Research Park, 188 Munji-ro,,Yuseong-Gu, Daejeon, 34122, KR)
KIM, Ji-Young (LG Chem Research Park, 188 Munji-ro,,Yuseong-Gu, Daejeon, 34122, KR)
LEE, Suk-Woo (LG Chem Research Park, 188 Munji-ro,,Yuseong-Gu, Daejeon, 34122, KR)
LEE, Jae-Hyun (LG Chem Research Park, 188 Munji-ro,,Yuseong-Gu, Daejeon, 34122, KR)
Application Number:
KR2019/004302
Publication Date:
October 31, 2019
Filing Date:
April 10, 2019
Export Citation:
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Assignee:
LG CHEM, LTD. (128 Yeoui-daero, Yeongdeungpo-Gu, Seoul, 07336, KR)
International Classes:
H01M10/0562; H01M2/10; H01M4/13; H01M4/62; H01M10/0565; H01M10/42
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (3F. 36, Seochojungang-ro,Seocho-Gu, Seoul, 06643, KR)
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