典型文献
Highly Active Electrocatalyst Derived from ZIF-8 Decorated with Iron(Ⅲ)and Cobalt(Ⅲ)Porphyrin Toward Efficient Oxygen Reduction in Both Alkaline and Acidic Media
文献摘要：
Zeolite imidazole frameworks 8(ZIF-8)and modified ones after pyrolysis are highly promising toward oxygen reduction reaction(ORR).Especially,the compositional modification of ZIF-8 is crucial to the enhancement of ORR performance,yet limited to the substitution of skeletal Zn(Ⅱ)with other cations or simple physical adsorption of cations.Herein,we report the decoration of ZIF-8 with ORR active hemin(FeP)and Co(Ⅲ)protoporphyrin(CoP)via the coordination between the peripheral carboxylic group of FeP and CoP with skeletal Zn(Ⅱ).This allows well control over the quantity of loaded FeP and CoP,critical to the synthesis of advanced electrocatalysts.Subsequent pyrolysis of FeP and CoP co-decorated ZIF-8 leads to highly active ORR electrocatalysts with a half-wave potential(E1/2)of 0.913 V(vs.RHE)in 0.1 mol/L KOH aq.and an E1/2 of 0.803 V(vs.RHE)in 0.1 mol/L HClO4 aq.Moreover,our electrocatalyst shows much more improved and comparable durability in alkaline and acidic media,respectively,during 3000 cycles of cyclic voltammetry(CV)scanning relative to commercial Pt/C.
文献关键词：
中图分类号：
作者姓名：
ZHENG Ruonan;ZHAI Zihui;QIU Chenxi;GAO Rui;LV Yang;SONG Yujiang
作者机构：
State Key Laboratory of Fine Chemicals&Dalian Key Laboratory of Core Materials and Units for Hydrogen Energy and Fuel Cells,School of Chemical Engineering,Dalian University of Technology,Dalian 116024,P.R.China
文献出处：
引用格式：
[1]ZHENG Ruonan;ZHAI Zihui;QIU Chenxi;GAO Rui;LV Yang;SONG Yujiang-.Highly Active Electrocatalyst Derived from ZIF-8 Decorated with Iron(Ⅲ)and Cobalt(Ⅲ)Porphyrin Toward Efficient Oxygen Reduction in Both Alkaline and Acidic Media)[J].高等学校化学研究（英文版）,2022(04):961-967
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AB值：
0.673315
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