In-depth correlation of separator pore structure and electrochemical performance in lithium-ion batteries
- Authors
- Lee, Yunju; Park, Joonam; Jeon, Hyunkyu; Yeon, Daeyong; Kim, Byung-Hyun; Cho, Kuk Young; Ryou, Myung-Hyun; Lee, Yong Min
- Issue Date
- Sep-2016
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Separator; Thickness and porosity; Gurley number; Ionic conductance; Lithium-ion battery
- Citation
- JOURNAL OF POWER SOURCES, v.325, pp.732 - 738
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF POWER SOURCES
- Volume
- 325
- Start Page
- 732
- End Page
- 738
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/13053
- DOI
- 10.1016/j.jpowsour.2016.06.094
- ISSN
- 0378-7753
- Abstract
- To establish an accurate correlation between a separator's pore structure and the electrochemical performance of a lithium-ion battery (LIB), we fabricate well defined polyethylene (PE) separators on the same production line while maintaining most processing variables, except for composition. Four PE separators having different thicknesses and porosities (16 mu m/37%, 16 mu m/40%, 16 mu m/47%, 22 mu m/47%, respectively) are physically and electrochemically evaluated in detail. Although thickness and porosity remain good parameters by which to represent the separators' characteristics, both the normalized Gurley number and ionic conductance are found to have much stronger relationships with the rate capability. (C) 2016 Elsevier B.V. All rights reserved.
- Files in This Item
-
Go to Link
- Appears in
Collections - COLLEGE OF ENGINEERING SCIENCES > DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING > 1. Journal Articles
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.