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The Study of Characteristics on EPDM, NBR, FKM, VMQ and FVMQ for Sealing Applications to Lithium Ion Battery  

Seo, Kwan-Ho (Department of Polymer Science, Kyungpook National University)
Cho, Kwang-Soo (Department of Polymer Science, Kyungpook National University)
Yun, In-Sub (Department of Polymer Science, Kyungpook National University)
Choi, Woo-Hyuk (Research & Development Institute, Pyung-hwa Oil seal Industry co., LTD.)
Hur, Byung-Ki (Research & Development Institute, Pyung-hwa Oil seal Industry co., LTD.)
Kang, Dong-Gug (Research & Development Institute, Pyung-hwa Oil seal Industry co., LTD.)
Publication Information
Elastomers and Composites / v.45, no.3, 2010 , pp. 212-216 More about this Journal
Abstract
The materials of the lithium ion battery gasket require chemical resistance to the electrolyte, electrical insulating, compression set, anti-contamination and heat resistance. To estimate suitability for rubber which has better performance to compression set than PFA, each compound were made with various rubbers, such as EPDM, NBR, FKM, FVMQ, VMQ and we checked the characteristics of each compound. Samples from each compound was deposited in Propylene Carbonate and tested for changing of Hardness and Volume during 1,000 hr with $80^{\circ}C$. EPDM and VMQ showed good performance to chemical resistance to the electrolyte, and also we could get the values over $10^{10}{\Omega}cm$ on volume resistance basis in electrical insulating. EPDM and VMQ were judged as the most suitable material.
Keywords
EPDM; NBR; FKM; VMQ; FVMQ;
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