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High performance ceramic-coated separators prepared with lithium ion-containing SiO2 particles for lithium-ion batteries

Title
High performance ceramic-coated separators prepared with lithium ion-containing SiO2 particles for lithium-ion batteries
Author
김동원
Keywords
Ceramic-coated separators; Lithium-ion cells; Polyethylene separator; Sulfonated silica; Thermal stability
Issue Date
2013-03
Publisher
ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Citation
Journal of power sources, 226,p.54 - 60
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.
URI
https://www.sciencedirect.com/science/article/pii/S0378775312016485?via%3Dihubhttp://hdl.handle.net/20.500.11754/54536
ISSN
0378-7753
DOI
10.1016/j.jpowsour.2012.10.082
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CHEMICAL ENGINEERING(화학공학과) > Articles
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