(B,N)-Doped 3D porous graphene-CNTs synthesized by chemical vapor deposition as a bi-functional catalyst for ORR and HER.

(B,N)-Doped 3D porous graphene-CNTs synthesized by chemical vapor deposition as a bi-functional catalyst for ORR and HER.
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通过化学气相沉积合成的 (B,N) 掺杂 3D 多孔石墨烯-CNT 作为 ORR 和 HER 双功能催化剂

DOI:
10.1039/c8ra04048f
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发表时间:
2018-07-24
期刊:
影响因子:
3.9
通讯作者:
Huang, Qizhong
Huang, Qizhong
中科院分区:
化学3区
文献类型:
--
作者:
Gao, Pingping;Sun, Min;Wu, Xiaobo;Zhou, Shuzhu;Deng, Xiaoting;Xie, Zhiyong;Xiao, Li;Jiang, Lihui;Huang, Qizhong

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新型(B,N)掺杂的三维(3D)多孔石墨烯-碳纳米管(CNTs)可用作氧还原反应(ORR)和析氢反应(HER)的优异的耐碱性和耐酸性电催化剂。基于密度泛函理论,H和O原子的吸附前和吸附后能量可以有效降低反应能垒。一种简单但非常有效的两步CVD方法来制备(B,N)掺杂的3D多孔石墨烯-CNT杂化材料(B-N-G-CNT),及其对ORR和HER的催化性能。
Novel (B,N)-doped three-dimensional (3D) porous graphene–carbon nanotubes (CNTs) can be used as an excellent alkaline and acid tolerant electrocatalyst for both the oxygen reduction reaction (ORR) and the hydrogen evolution reaction (HER). Based on density functional theory, the H and O atoms’ pre-and post-adsorption energy can effectively reduce the reaction energy barrier. A simple but very efficient two-step CVD method to prepare a (B,N)-doped 3D porous graphene–CNT hybrid material (B–N–G–CNT), and its catalytic performance for ORR and HER.
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