High performance ceramic-coated separators prepared with lithium ion-containing SiO2 particles for lithium-ion batteries
- Authors
- Shin, Won-Kyung; Kim, Dong-Won
- Issue Date
- Mar-2013
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Ceramic-coated separators; Lithium-ion cells; Polyethylene separator; Sulfonated silica; Thermal stability
- Citation
- JOURNAL OF POWER SOURCES, v.226, pp.54 - 60
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF POWER SOURCES
- Volume
- 226
- Start Page
- 54
- End Page
- 60
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/163319
- DOI
- 10.1016/j.jpowsour.2012.10.082
- ISSN
- 0378-7753
- Abstract
- Sulfonated SiO2 particles containing poly(lithium 4-styrenesulfonte) in their shell are synthesized and used as coating materials for the preparation of ceramic-coated separators for lithium-ion cells. The ceramic-coated separators exhibit good thermal stability and wettability for liquid electrolyte due to the presence of a heat-resistant silica with hydrophilic poly(lithium 4-styrenesulfonte). By using these ceramic-coated separators, lithium-ion cells composed of a carbon negative electrode and a LiNi1/3Co1/3Mn1/3O2 positive electrode are assembled and their cycling performances are evaluated. The cells assembled with the ceramic-coated separators demonstrate superior cycling performance compared to cell prepared with a polyethylene separator.
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