化学
碳纤维
氧还原反应
掺杂剂
氧气
介孔材料
还原(数学)
氧还原
化学工程
化学还原
GSM演进的增强数据速率
无机化学
纳米技术
催化作用
兴奋剂
电极
有机化学
电化学
复合材料
物理化学
材料科学
光电子学
复合数
工程类
电信
物理
几何学
数学
计算机科学
作者
Chenxi Xu,Zhi Li,Lanyun Yang,Liying Hu,Wei Wang,Junlin Huang,Haihui Zhou,Liang Chen,Zhaohui Hou
标识
DOI:10.1016/j.jelechem.2022.116826
摘要
• E–MC–1000 can be fabricated by a facile template–induced pyrolytic strategy. • E–MC–1000 possesses abundant intrinsic carbon defects. • Increasing pyrolytic temperature leads to decreased intrinsic carbon defects. • E–MC–1000 exhibits much better ORR performance than the counterparts. Except heteroatoms doping, intrinsic defects in carbon matrix exert a profound influence on the performance of carbon–based electrocatalysts, but the relevant understanding is limited. Herein, a template–induced pyrolytic strategy is proposed to prepare dopant–free edge–rich mesoporous carbon (E–MC–1000, 1000 represents pyrolytic temperature). The obtained E–MC–1000 with short–range ordered bent graphene–like nanosheets possesses abundant intrinsic carbon defects (including edge defects and sp 3 –type carbon), thus displaying favorable oxygen reduction reaction (ORR) performance. Obviously, our finding is valuable to understanding the role of intrinsic carbon defects towards ORR.
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