Heteroatom-doped carbon materials derived from covalent triazine framework@MOFs for the oxygen reduction reaction

被引：6

作者：

Zhang, Jing ^{[1
]}

Xu, Yuping ^{[1
]}

Lan, Maowen ^{[1
]}

Wang, Xiaodong ^{[2
,3
]}

Fu, Ning ^{[4
]}

Yang, Zhenglong ^{[1
]}

机构：

[1] Tongji Univ, Sch Mat Sci & Engn, Shanghai Key Lab D&A Met Funct Mat, Shanghai 201804, Peoples R China

[2] Tongji Univ, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China

[3] Tongji Univ, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China

[4] Anyang Inst Technol, Sch Chem & Environm Engn, Anyang 455000, Peoples R China

来源：

DALTON TRANSACTIONS | 2022年 / 51卷 / 38期

基金：

中国国家自然科学基金;

关键词：

BIFUNCTIONAL ELECTROCATALYST; ORGANIC FRAMEWORKS; EFFICIENT; NITROGEN; NANOPARTICLES; NANOSHEETS; NANOTUBES; ATOMS;

D O I：

10.1039/d2dt02138b

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Heteroatom-doped carbon catalysts are ideal to promote the kinetic process of the oxygen reduction reaction (ORR) due to their high energy conversion efficiency. Here, we report a series of catalysts obtained from CTF@MOF-x (x = 15, 24, 33 wt%) by pyrolysis methods, in which CTFs served as C and N sources, and Ni-MOFs served as Ni and S sources. A CTF was supported on the surface of a MOF to prevent the collapse and aggregation of the CTF during pyrolysis. The electrocatalyst exhibited enhanced ORR activity in an alkaline medium, with E-onset and E-1/2 values being comparable to those of 20 wt% commercial Pt/C, and showed excellent durability and methanol resistance. This work provides new opportunities for CTF-derived carbon-based electrocatalysts to achieve high ORR performance.

引用

页码：14482 / 14490

页数：9

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