Preparation of Iron- and Nitrogen-Codoped Carbon Nanotubes from Waste Plastics Pyrolysis for the Oxygen Reduction Reaction

被引：70

作者：

Cai, Ning ^{[2
]}

Xia, Sunwen ^{[2
]}

Zhang, Xiong ^{[2
]}

Meng, Zihan ^{[3
]}

Bartocci, Pietro ^{[1
]}

Fantozzi, Francesco ^{[1
]}

Chen, Yingquan ^{[2
]}

Chen, Hanping ^{[2
]}

Williams, Paul T. ^{[4
]}

Yang, Haiping ^{[2
]}

机构：

[1] Univ Perugia, Dept Engn, Via G Duranti 67, I-06125 Perugia, Italy

[2] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, State Key Lab Coal Combust, Wuhan 430074, Peoples R China

[3] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

[4] Univ Leeds, Sch Chem & Proc Engn, Leeds LS2 9JT, W Yorkshire, England

来源：

CHEMSUSCHEM | 2020年 / 13卷 / 05期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

carbon nanotubes; electrochemistry; fuel cells; oxygen reduction reaction; waste plastics; DOPED MESOPOROUS CARBON; HIGH-PRESSURE; CATALYSTS; MWCNTS; FE/N/C; ROUTE;

D O I：

10.1002/cssc.201903293

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel method for the preparation of iron- and nitrogen-codoped carbon nanotubes (Fe-N-CNTs) is proposed, based on the catalytic pyrolysis of waste plastics. First, carbon nanotubes are produced from pyrolysis of plastic waste over Fe-Al2O3; then, Fe-CNTs and melamine are heated together in an inert atmosphere. Different co-pyrolysis temperatures are tested to optimize the electrocatalyst production. A high doping temperature improves the degree of graphite formation and promotes the conversion of nitrogen into a more stable form. Compared with commercial Pt/C, the electrocatalyst obtained from pyrolysis at 850 degrees C shows remarkable properties, with an onset potential of 0.943 V versus RHE and a half-wave potential of 0.811 V versus RHE, and even better stability and anti-poisoning properties. In addition, zinc-air battery tests are performed, and the optimized catalyst exhibits a high maximum power density.

引用

页码：938 / 944

页数：7

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