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Atomic cobalt on nitrogen-doped graphene for hydrogen generation

Author

Listed:
  • Huilong Fei

    (Rice University)

  • Juncai Dong

    (Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences)

  • M. Josefina Arellano-Jiménez

    (University of Texas at San Antonio)

  • Gonglan Ye

    (Rice University)

  • Nam Dong Kim

    (Rice University)

  • Errol L.G. Samuel

    (Rice University)

  • Zhiwei Peng

    (Rice University)

  • Zhuan Zhu

    (University of Houston)

  • Fan Qin

    (University of Houston)

  • Jiming Bao

    (University of Houston)

  • Miguel Jose Yacaman

    (University of Texas at San Antonio)

  • Pulickel M. Ajayan

    (Rice University)

  • Dongliang Chen

    (Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences)

  • James M. Tour

    (Rice University
    Rice University
    Smalley Institute for Nanoscale Science and Technology, Rice University)

Abstract

Reduction of water to hydrogen through electrocatalysis holds great promise for clean energy, but its large-scale application relies on the development of inexpensive and efficient catalysts to replace precious platinum catalysts. Here we report an electrocatalyst for hydrogen generation based on very small amounts of cobalt dispersed as individual atoms on nitrogen-doped graphene. This catalyst is robust and highly active in aqueous media with very low overpotentials (30 mV). A variety of analytical techniques and electrochemical measurements suggest that the catalytically active sites are associated with the metal centres coordinated to nitrogen. This unusual atomic constitution of supported metals is suggestive of a new approach to preparing extremely efficient single-atom catalysts.

Suggested Citation

  • Huilong Fei & Juncai Dong & M. Josefina Arellano-Jiménez & Gonglan Ye & Nam Dong Kim & Errol L.G. Samuel & Zhiwei Peng & Zhuan Zhu & Fan Qin & Jiming Bao & Miguel Jose Yacaman & Pulickel M. Ajayan & D, 2015. "Atomic cobalt on nitrogen-doped graphene for hydrogen generation," Nature Communications, Nature, vol. 6(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9668
    DOI: 10.1038/ncomms9668
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    1. Hao Shi & Tanyuan Wang & Jianyun Liu & Weiwei Chen & Shenzhou Li & Jiashun Liang & Shuxia Liu & Xuan Liu & Zhao Cai & Chao Wang & Dong Su & Yunhui Huang & Lior Elbaz & Qing Li, 2023. "A sodium-ion-conducted asymmetric electrolyzer to lower the operation voltage for direct seawater electrolysis," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Yue, Xirong & Ji, Xu & Xu, Haiyang & Yang, Bianfeng & Wang, Mengqi & Yang, Yuan, 2023. "Performance investigation on GO-TiO2/PVDF composite ultrafiltration membrane for slightly polluted ground water treatment," Energy, Elsevier, vol. 273(C).
    3. Haifeng Shen & Huanyu Jin & Haobo Li & Herui Wang & Jingjing Duan & Yan Jiao & Shi-Zhang Qiao, 2023. "Acidic CO2-to-HCOOH electrolysis with industrial-level current on phase engineered tin sulfide," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    4. Qianjun Zhi & Rong Jiang & Xiya Yang & Yucheng Jin & Dongdong Qi & Kang Wang & Yunpeng Liu & Jianzhuang Jiang, 2024. "Dithiine-linked metalphthalocyanine framework with undulated layers for highly efficient and stable H2O2 electroproduction," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    5. Weiwei Fu & Jin Wan & Huijuan Zhang & Jian Li & Weigen Chen & Yuke Li & Zaiping Guo & Yu Wang, 2022. "Photoinduced loading of electron-rich Cu single atoms by moderate coordination for hydrogen evolution," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    6. Shan, Pengyue & Bai, Xue & Jiang, Qi & Chen, Yunjian & Lu, Sen & Song, Pei & Jia, Zepeng & Xiao, Taiyang & Han, Yang & Wang, Yazhou & Liu, Tong & Cui, Hong & Feng, Rong & Kang, Qin & Liang, Zhiyong & , 2023. "Bilayer MN4-O-MN4 by bridge-bonded oxygen ligands: Machine learning to accelerate the design of bifunctional electrocatalysts," Renewable Energy, Elsevier, vol. 203(C), pages 445-454.
    7. Geng Wu & Xiao Han & Jinyan Cai & Peiqun Yin & Peixin Cui & Xusheng Zheng & Hai Li & Cai Chen & Gongming Wang & Xun Hong, 2022. "In-plane strain engineering in ultrathin noble metal nanosheets boosts the intrinsic electrocatalytic hydrogen evolution activity," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    8. Yanghang Pan & Xinzhu Wang & Weiyang Zhang & Lingyu Tang & Zhangyan Mu & Cheng Liu & Bailin Tian & Muchun Fei & Yamei Sun & Huanhuan Su & Libo Gao & Peng Wang & Xiangfeng Duan & Jing Ma & Mengning Din, 2022. "Boosting the performance of single-atom catalysts via external electric field polarization," Nature Communications, Nature, vol. 13(1), pages 1-12, December.

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