Title:
SEPARATOR STRUCTURE, METHOD FOR PRODUCING THE SAME, AND SECONDARY BATTERY USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2022/196902
Kind Code:
A1
Abstract:
Disclosed are a separator for a lithium ion secondary battery, a method for producing the same, and a secondary battery using the same. A separator structure includes a support disposed inside a secondary battery. The support includes a porous polymer matrix, cellulose nano fibers dispersed in the matrix, and inorganic additives dispersed in the matrix, wherein at least some of the inorganic additives are attached to the cellulose nano fibers and are distributed in the matrix.
Inventors:
LEE DONGWOOK (KR)
LIM MUNHYUK (KR)
KIM HONGJUNG (KR)
JUNG KYUNGHO (KR)
LEE JUCHUL (KR)
KWON JUNHAN (KR)
KIM KEEYONG (KR)
LEE SUMIN (KR)
AHN YONGKEON (KR)
PI YOUNGMIN (KR)
LIM MUNHYUK (KR)
KIM HONGJUNG (KR)
JUNG KYUNGHO (KR)
LEE JUCHUL (KR)
KWON JUNHAN (KR)
KIM KEEYONG (KR)
LEE SUMIN (KR)
AHN YONGKEON (KR)
PI YOUNGMIN (KR)
Application Number:
PCT/KR2021/019726
Publication Date:
September 22, 2022
Filing Date:
December 23, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H01M50/403; C08B1/00; C08B3/06; H01M50/429; H01M50/44; H01M50/446; B82Y40/00
Foreign References:
| KR20160133275A | 2016-11-22 | |||
| US20200035972A1 | 2020-01-30 | |||
| US20190198839A1 | 2019-06-27 | |||
| KR20200042220A | 2020-04-23 | |||
| JP2018106865A | 2018-07-05 |
Attorney, Agent or Firm:
KBK & ASSOCIATES (KR)
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