Quasi-Solid-State Electrolyte Using an In Situ Click Reaction for Safety-Enhanced Lithium-Ion Batteriesopen access
- Authors
- Jeong, Bora; Lim, Da-Ae; Kim, Hye-Min; Kim, Jeong-Yun; Kim, Dong-Won
- Issue Date
- Oct-2021
- Publisher
- ELECTROCHEMICAL SOC INC
- Citation
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.168, no.10, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY
- Volume
- 168
- Number
- 10
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/140837
- DOI
- 10.1149/1945-7111/ac30ae
- ISSN
- 0013-4651
- Abstract
- Lithium-ion batteries with high energy density have been used widely as electrochemical energy storage devices to power mobile electronics, electric vehicles and large-sized energy storage systems. However, there are still safety concerns related to the highly flammable liquid electrolytes. As a highly safe electrolyte, we synthesized a three-dimensional quasi-solid-state electrolyte with high ionic conductivity of 2.1 x 10(-3 )S cm(-1) using an in situ click reaction. Perfluoroether diacrylate with high oxidative stability was synthesized and used in in situ click reaction along with pentaerylythritol tetrakis(3-mercaptoptopionate) as the cross-linking agents. The lithium-ion cell composed of a graphite anode, a quasi-solid-state electrolyte and a LiNi0.6Co0.2Mn0.2O2 cathode was assembled, and its cycling characteristics and thermal stability were investigated. Our results reveal that the quasi-solid-state lithium-ion battery exhibits good capacity retention and superior thermal safety to conventional liquid electrolyte-based cells.
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