본문 바로가기
  • Home

Ammonia etched petroleum pitch-based porous carbon as efficient catalysts for CO2 electroreduction

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2022, 32(3), pp.807-814
  • DOI : 10.1007/s42823-021-00316-4
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : October 12, 2021
  • Accepted : December 15, 2021
  • Published : May 1, 2022

Ning Hui 1 Guo Zhihao 1 Wang Wenhang 1 Wang Xiaoshan 1 Yang Zhongxue 1 Ma Zhengguang 1 Tian Yangming 1 Wu Chenghao 1 Hao Jian 2 Wu Mingbo 1

1China University of Petroleum (East China)
2Ningxia University

Accredited

ABSTRACT

Electrochemical reduction of carbon dioxide to valuable chemicals is a promising way of storing renewable energy through electric-to-chemical energy conversion, while its large-scale application is in urgent need of cheap and high-performance catalysts. Herein, we invent a convenient method to synthesize N-doped porous carbon by ammonia etching the pyrolysis carbon of petroleum pitch. We found the ammonia etching treatment not only increase the pyridinic-N content, but also enlarge the specific surface area of the petroleum pitch-based porous carbon. As a cheap and easily available catalyst for carbon dioxide electroreduction, up to 82% of Faradaic efficiency towards carbon monoxide was obtained at − 0.9 V vs the reversible hydrogen electrode in 0.1 M KHCO3. After a long time electrocatalysis of more than 20 h, the Faradaic efficiency of carbon monoxide remains 80%, indicating the porous carbon as made have an ultra-high stability as catalyst for carbon dioxide reduction. Our work provides a new technology to economically prepare efficient electrocatalysts for carbon dioxide reduction.

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-26)

Total Citation Counts(KCI+WOS) (6) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (6) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

* References for papers published after 2023 are currently being built.