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http://dx.doi.org/10.5229/JKES.2003.6.3.203

Effects of PTFE Contents on Characteristics of Cathode for Zn Air Batteries  

Kim, Jee-Hoon (Battery Research Group, Korea Electrotechnology Research Institute)
Eom, Seung-Wook (Battery Research Group, Korea Electrotechnology Research Institute)
Moon, Seong-In (Battery Research Group, Korea Electrotechnology Research Institute)
Yun, Mun-Soo (Battery Research Group, Korea Electrotechnology Research Institute)
Kim, Ju-Yong (Sungnam Electronics Co., Ltd.)
Yug, Gyeong-Chang (Sungnam Electronics Co., Ltd.)
Park, Jeong-Hoo (Department of Electrical Engineering, Pusan National University)
Publication Information
Journal of the Korean Electrochemical Society / v.6, no.3, 2003 , pp. 203-207 More about this Journal
Abstract
Zinc Air batteries obtain their energy density by utilizing ambient oxygen as the cathode materials. And specific capacity of zinc powder is as high as 820 mAh/g. When Zinc Air battery discharged at low current, then discharge voltage profile has very flat pattern until reach to end of voltage. But, when Zinc Air battery discharged at high current, then discharge voltage and energy becomes very low. So we focused on resistance and porosity of cathode with contents of PTFE. Wf studied on the effects of PTFE on performance of Zinc Air batteries. So we have got optimum contents of PTFE binder.
Keywords
Zinc Air Battery; PTFE; Porosity; Resistance;
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