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http://dx.doi.org/10.14478/ace.2011.22.4.395

Effects of Activator on Rubber Characteristics for Gasket to Lithium Ion Battery  

Kang, Dong-gug (Research & Development Institute, Pyung-hwa Oil seal Industry co., LTD.)
Kim, Hye-young (Research & Development Institute, Pyung-hwa Oil seal Industry co., LTD.)
Kang, Young-im (Research & Development Institute, Pyung-hwa Oil seal Industry co., LTD.)
Hur, Byung-ki (Research & Development Institute, Pyung-hwa Oil seal Industry co., LTD.)
Seo, Kwan-ho (Department of Polymer Science, Kyungpook National University)
Publication Information
Applied Chemistry for Engineering / v.22, no.4, 2011 , pp. 395-399 More about this Journal
Abstract
Material of the gasket for lithium ion battery requires the chemical resistance, the electrical insulting property, the compression set, the anti-contamination level and the low temperature resistance. We compounded ethylene propylene diene monomer (EPDM), which showed widely different solubility parameter index, with adjusting the amount of metal oxide as an activator. We did long-term test and compression set against an electrolyte with consideration for operating conditions in lithium-ion battery. In these tests, we checked the physical, chemical characteristics and the effect to lithium ion battery with different kinds of activators. In case of rubber with ZnO as an activator, through 1000 h depositing test in propylene carbonate which is one of representative solvents, we could get the satisfying characteristics and result. However, $Zn^{2+}$ had eluted in the ion elution test. So, ZnO should be limited in EPDM compound for the gasket material in lithium-ion battery.
Keywords
gasket; activator; ZnO; ethylene propylene diene monomer (EPDM); lithium ion battery;
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Times Cited By KSCI : 8  (Citation Analysis)
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