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Highly Efficient Electrocatalytic Oxidation of Sterol by Synergistic Effect of Aminoxyl Radicals and Se-Ni5P4
  • +9
  • Jiahui He,
  • Suiqin Li,
  • Chun Li,
  • Kai Li,
  • Yinjie Xu,
  • Mengxin Wang,
  • Shuying Zhao,
  • Jiefeng Zhang,
  • Xing Zhong,
  • Xiao-nian Li,
  • Zhengbin Zhang,
  • Jian-guo Wang
Jiahui He
Zhejiang University of Technology
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Suiqin Li
Zhejiang University of Technology
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Chun Li
Zhejiang Xianju Junye Pharmaceutical Co., Ltd
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Kai Li
Zhejiang University of Technology
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Yinjie Xu
Zhejiang University of Technology
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Mengxin Wang
Zhejiang University of Technology
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Shuying Zhao
Zhejiang University of Technology
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Jiefeng Zhang
Zhejiang Xianju Junye Pharmaceutical Co., Ltd
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Xing Zhong
Zhejiang University of Technology
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Xiao-nian Li
Zhejiang University of Technology
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Zhengbin Zhang
Zhejiang Xianju Junye Pharmaceutical Co., Ltd
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Jian-guo Wang
Zhejiang University of Technology

Corresponding Author:[email protected]

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Abstract

The exploration of efficient and environmentally friendly oxidation method is highly desirable to overcome the critical problems of poor selectivity and heavy metal contamination for the fine chemicals industry. Herein, a self-supported 3D Se-Ni5P4 nanosheet electrocatalyst was rationally designed and fabricated. Benefiting from the synergistic effect of aminoxyl radical and mesoporous Se-Ni5P4/GF, an excellent performance of ≥98% selectivity and 33.12 kg/(m3·h) space-time yield was obtained for sterol intermediate oxidation with the enhanced mass transfer effect of the continuous flow system. The doping of anionic selenium and phosphorus modulated the electronic structure of Se-Ni5P4, and the oxyhydroxides generated by surface reconstruction accelerated the turnover of TEMPO, thereby enhancing the intrinsic electrocatalytic activity. A scale-up experiment was conducted with stacked-flow electrolyzer demonstrated the application potential. This work provided an efficient synergistic electrocatalytic strategy to facilitate rapid electron and mass transfer for electrochemical alcohol oxidation and highlighted the potential for practical electrosynthesis applications.
04 Mar 2023Submitted to AIChE Journal
07 Mar 2023Submission Checks Completed
07 Mar 2023Assigned to Editor
07 Mar 2023Review(s) Completed, Editorial Evaluation Pending
09 Mar 2023Reviewer(s) Assigned
02 Apr 2023Editorial Decision: Revise Minor
19 Apr 20231st Revision Received
21 Apr 2023Submission Checks Completed
21 Apr 2023Assigned to Editor
21 Apr 2023Review(s) Completed, Editorial Evaluation Pending
22 Apr 2023Reviewer(s) Assigned
28 May 2023Editorial Decision: Accept