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- 저자 : Yonglei Xing (검색결과 1 건)
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Construction of Phenol/O2 Fuel Cell with CuO/MWCNTs Modified Electrode as Anode
Shuhui Liu,Yuan Wu,Yonglei Xing,Yan Hai,Juan Peng,Gang Ni,Xiaoyong Jin 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2019 NANO Vol.14 No.10
Traditional biofuel cells (BFCs) are devices that use biological catalysts to catalyze the oxidation of organic materials and in the meantime convert chemical energy into electrical energy. In this work, a nonenzymatic catalyst that integrated copper oxide with multi-walled carbon nanotubes (CuO/MWCNTs) was synthesized by a simple solvothermal method, and the composites show an outstanding electrocatalytic activity for oxidation of phenol due to the synergistical contribution of CuO nanoparticles and MWCNTs. The effects of the pH, concentration of electrolyte and phenol and scan rate on the phenol oxidation are investigated. Benefitting from the excellent performance toward phenol oxidation, a H-type phenol fuel cell was fabricated with CuO/MWCNTs as anode material and electro-deposited platinum film as cathode material. The results show that the phenol fuel cell has an open-circuit potential (OCP) of 0.69 V and can produce a maximum power density of 0.25 mW · cm -2 at 0.44 V with 500 mg · L -1 phenol and 0.1 mol · L -1 PBS. The stability test revealed that the fuel cell could still deliver about 0.24 mW · cm -2 after repeating the test for five times, indicating that the fuel cell has good stability.
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