화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.24, No.3, 276-281, March, 2016
DOI10.1007/s13233-016-4037-1  Export Citation
Development of a PP/carbon/CNT composite electrode for the zinc/bromine redox flow battery
Woo In Jang1, 2, Jin Won Lee2, Young Min Baek2, and O. Ok Park1, 3, †
  • 1Deparatment of Chemical and Biomolecular Engineering (BK21+ Graduate Program), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
  • 2Lotte Chemical Corp., 115, Gajeongbuk-ro, Yuseong-gu, Daejeon, 34110, Republic of Korea
  • 3, Korea
E-mail:
A polypropylene electrode filled with carbon black, graphite, and carbon nanotubes (CNTs) was successfully prepared by sheet extrusion to serve as the bipolar plate for a zinc/bromine redox flow battery. The electrical conductivity, mechanical properties and charge-discharge performance of the carbon plastic composite electrode with various added amounts of CNTs for the zinc/bromine redox flow battery were investigated. The volume resistivity of the carbon plastic composite electrode was 1.12 Ocm when the CNT content was 5 wt%. The voltage efficiency (VE) and the energy efficiency (EE) of the cell stack with 5 wt% CNT were measured to be 80.7% and 73.2%, respectively, during charge-discharge cycling. In addition, the zinc/bromine redox flow battery equipped with the carbon plastic composite electrode with added CNTs had good mechanical strength and chemical stability.
Keywords:bipolar plate;carbon nanotube;carbon plastic composite;redox flow battery;volume resistivity
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