典型文献
Neuron-inspired design of hierarchically porous carbon networks embedded with single-iron sites for efficient oxygen reduction
文献摘要：
The rational structure design and active-site regulation of catalysts is crucial for high energy output.Herein,B,F co-doped Fe-N-C embedded in a flexible and free-standing hierarchical porous carbon framework(Fe-SA-FPCS)was reported.Owing to the synergism of optimized intrinsic activity,fast mass transfer and well exposed active sites,the Fe-SA-FPCS exhibits a high half-wave potential(E 1/2=0.89 V vs.RHE)and small Tafel slope(66 mV dec-1).Theoretical calculations uncover that B,F co-doping could accelerate the desorption of OH* on Fe sites,which can effectively increase oxygen reduction reaction activity.As the cathode for Zn-air batteries(ZABs),Fe-SA-FPCS demonstrates a high open-circuit voltage(1.51 V),large peak power density(168.4 mW cm 2)and excellent stability.The assembled flexible solid-state ZAB exhibits excellent stability during charge and discharge cycling in the flat/bent state,and is promising for the application of portable and flexible devices.This work provides a new perspective for the fabrication of single-atom electrocatalysts with well-designed structure and excellent electrochemical energy conversion and storage capability.
文献关键词：
中图分类号：
作者姓名：
Yanwei Zhu;Xuxu Wang;Jianqiao Shi;Lang Gan;Binbin Huang;Li Tao;Shuangyin Wang
作者机构：
State Key Laboratory of Chemo/Bio-Sensing and Chemometrics,College of Chemistry and Chemical Engineering,Advanced Catalytic Engineering Research Center of the Ministry of Education,Hunan University,Changsha 410082,China;College of Environmental science and Engineering,Hunan University,Changsha 410082,China
文献出处：
引用格式：
[1]Yanwei Zhu;Xuxu Wang;Jianqiao Shi;Lang Gan;Binbin Huang;Li Tao;Shuangyin Wang-.Neuron-inspired design of hierarchically porous carbon networks embedded with single-iron sites for efficient oxygen reduction)[J].中国科学:化学（英文版）,2022(07):1445-1452
A类：
FPCS
B类：
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AB值：
0.629251
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