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Metallic tin quantum sheets confined in graphene toward high-efficiency carbon dioxide electroreduction

Author

Listed:
  • Fengcai Lei

    (Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China)

  • Wei Liu

    (National Synchrotron Radiation Laboratory, University of Science and Technology of China)

  • Yongfu Sun

    (Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China
    Hefei Science Center of CAS)

  • Jiaqi Xu

    (Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China)

  • Katong Liu

    (Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China)

  • Liang Liang

    (Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China)

  • Tao Yao

    (National Synchrotron Radiation Laboratory, University of Science and Technology of China
    Hefei Science Center of CAS)

  • Bicai Pan

    (Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China)

  • Shiqiang Wei

    (National Synchrotron Radiation Laboratory, University of Science and Technology of China
    Hefei Science Center of CAS)

  • Yi Xie

    (Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China
    Hefei Science Center of CAS)

Abstract

Ultrathin metal layers can be highly active carbon dioxide electroreduction catalysts, but may also be prone to oxidation. Here we construct a model of graphene confined ultrathin layers of highly reactive metals, taking the synthetic highly reactive tin quantum sheets confined in graphene as an example. The higher electrochemical active area ensures 9 times larger carbon dioxide adsorption capacity relative to bulk tin, while the highly-conductive graphene favours rate-determining electron transfer from carbon dioxide to its radical anion. The lowered tin–tin coordination numbers, revealed by X-ray absorption fine structure spectroscopy, enable tin quantum sheets confined in graphene to efficiently stabilize the carbon dioxide radical anion, verified by 0.13 volts lowered potential of hydroxyl ion adsorption compared with bulk tin. Hence, the tin quantum sheets confined in graphene show enhanced electrocatalytic activity and stability. This work may provide a promising lead for designing efficient and robust catalysts for electrolytic fuel synthesis.

Suggested Citation

  • Fengcai Lei & Wei Liu & Yongfu Sun & Jiaqi Xu & Katong Liu & Liang Liang & Tao Yao & Bicai Pan & Shiqiang Wei & Yi Xie, 2016. "Metallic tin quantum sheets confined in graphene toward high-efficiency carbon dioxide electroreduction," Nature Communications, Nature, vol. 7(1), pages 1-8, November.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12697
    DOI: 10.1038/ncomms12697
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    Cited by:

    1. Xiaohan Yu & Yuting Xu & Le Li & Mingzhe Zhang & Wenhao Qin & Fanglin Che & Miao Zhong, 2024. "Coverage enhancement accelerates acidic CO2 electrolysis at ampere-level current with high energy and carbon efficiencies," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Zhongzhe Wei & Zijiang Zhao & Chenglong Qiu & Songtao Huang & Zihao Yao & Mingxuan Wang & Yi Chen & Yue Lin & Xing Zhong & Xiaonian Li & Jianguo Wang, 2023. "Tripodal Pd metallenes mediated by Nb2C MXenes for boosting alkynes semihydrogenation," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    3. An, Xiaowei & Li, Shasha & Hao, Xiaoqiong & Xie, Zhengkun & Du, Xiao & Wang, Zhongde & Hao, Xiaogang & Abudula, Abuliti & Guan, Guoqing, 2021. "Common strategies for improving the performances of tin and bismuth-based catalysts in the electrocatalytic reduction of CO2 to formic acid/formate," Renewable and Sustainable Energy Reviews, Elsevier, vol. 143(C).
    4. Pan, Qin & Tian, Xiaochun & Li, Junpeng & Wu, Xuee & Zhao, Feng, 2021. "Interfacial electron transfer for carbon dioxide valorization in hybrid inorganic-microbial systems," Applied Energy, Elsevier, vol. 292(C).

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