In Situ Coupling Strategy for the Preparation of FeCo Alloys and Co4N Hybrid for Highly Efficient Oxygen Evolution
Abstract
An in situ coupling approach is developed to create a new highly efficient and durable cobalt-based electrocatalyst for the oxygen evolution reaction (OER). Using a novel cyclotetramerization, a task-specific bimetallic phthalocyanine-based nanoporous organic framework is successfully built as a precursor for the carbonization synthesis of a nonprecious OER electrocatalyst. The resultant material exhibits an excellent OER activity with a low overpotential of 280 mV at a current density of 10 mA cm–2 and high durability in an alkaline medium. This impressive result ranks among the best from known Co-based OER catalysts under the same conditions. The simultaneous installation of multiple diverse cobalt-based active sites, including FeCo alloys and Co4N nanoparticles, plays a critical role in achieving this promising OER performance. Lastly, this innovative approach not only enables high-performance OER activity to be achieved but simultaneously provides a means to control the surface features, thereby tuning the catalytic property of the material.
- Authors:
-
- The Univ. of Tennessee, Knoxville, TN (United States)
- The Univ. of Tennessee, Knoxville, TN (United States); East China Univ. of Science and Technology, Shanghai (China)
- Shanghai Jiao Tong Univ. Shanghai (China)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Chinese Academy of Sciences, Lanzhou (China)
- East China Univ. of Science and Technology, Shanghai (China)
- The Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1462887
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Advanced Materials
- Additional Journal Information:
- Journal Volume: 29; Journal Issue: 47; Journal ID: ISSN 0935-9648
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; cobalt nitride; cyclotetramerization; FeCo alloy nanoparticles; in situ coupling; oxygen evolution reaction
Citation Formats
Zhu, Xiang, Jin, Tian, Tian, Chengcheng, Lu, Chenbao, Liu, Xiaoming, Zeng, Min, Zhuang, Xiaodong, Yang, Shize, He, Lin, Liu, Honglai, and Dai, Sheng. In Situ Coupling Strategy for the Preparation of FeCo Alloys and Co4N Hybrid for Highly Efficient Oxygen Evolution. United States: N. p., 2017.
Web. doi:10.1002/adma.201704091.
Zhu, Xiang, Jin, Tian, Tian, Chengcheng, Lu, Chenbao, Liu, Xiaoming, Zeng, Min, Zhuang, Xiaodong, Yang, Shize, He, Lin, Liu, Honglai, & Dai, Sheng. In Situ Coupling Strategy for the Preparation of FeCo Alloys and Co4N Hybrid for Highly Efficient Oxygen Evolution. United States. https://doi.org/10.1002/adma.201704091
Zhu, Xiang, Jin, Tian, Tian, Chengcheng, Lu, Chenbao, Liu, Xiaoming, Zeng, Min, Zhuang, Xiaodong, Yang, Shize, He, Lin, Liu, Honglai, and Dai, Sheng. Wed .
"In Situ Coupling Strategy for the Preparation of FeCo Alloys and Co4N Hybrid for Highly Efficient Oxygen Evolution". United States. https://doi.org/10.1002/adma.201704091. https://www.osti.gov/servlets/purl/1462887.
@article{osti_1462887,
title = {In Situ Coupling Strategy for the Preparation of FeCo Alloys and Co4N Hybrid for Highly Efficient Oxygen Evolution},
author = {Zhu, Xiang and Jin, Tian and Tian, Chengcheng and Lu, Chenbao and Liu, Xiaoming and Zeng, Min and Zhuang, Xiaodong and Yang, Shize and He, Lin and Liu, Honglai and Dai, Sheng},
abstractNote = {An in situ coupling approach is developed to create a new highly efficient and durable cobalt-based electrocatalyst for the oxygen evolution reaction (OER). Using a novel cyclotetramerization, a task-specific bimetallic phthalocyanine-based nanoporous organic framework is successfully built as a precursor for the carbonization synthesis of a nonprecious OER electrocatalyst. The resultant material exhibits an excellent OER activity with a low overpotential of 280 mV at a current density of 10 mA cm–2 and high durability in an alkaline medium. This impressive result ranks among the best from known Co-based OER catalysts under the same conditions. The simultaneous installation of multiple diverse cobalt-based active sites, including FeCo alloys and Co4N nanoparticles, plays a critical role in achieving this promising OER performance. Lastly, this innovative approach not only enables high-performance OER activity to be achieved but simultaneously provides a means to control the surface features, thereby tuning the catalytic property of the material.},
doi = {10.1002/adma.201704091},
journal = {Advanced Materials},
number = 47,
volume = 29,
place = {United States},
year = {Wed Oct 25 00:00:00 EDT 2017},
month = {Wed Oct 25 00:00:00 EDT 2017}
}
Web of Science
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