Distributed electrified heating for efficient hydrogen production

Hanmin Yang, Ilman Nuran Zaini, Ruming Pan, Yanghao Jin, Yazhe Wang, Lengwan Li, José Juan Bolívar Caballero, Ziyi Shi, Yaprak Subasi, Anissa Nurdiawati, Shule Wang, Yazhou Shen, Tianxiang Wang, Yue Wang, Linda Sandström, Pär G. Jönsson, Weihong Yang and Tong Han ()
Additional contact information
Hanmin Yang: KTH Royal Institute of Technology
Ilman Nuran Zaini: KTH Royal Institute of Technology
Ruming Pan: School of Energy Science and Engineering, Harbin Institute of Technology
Yanghao Jin: KTH Royal Institute of Technology
Yazhe Wang: KTH Royal Institute of Technology
Lengwan Li: KTH Royal Institute of Technology
José Juan Bolívar Caballero: KTH Royal Institute of Technology
Ziyi Shi: KTH Royal Institute of Technology
Yaprak Subasi: Uppsala University
Anissa Nurdiawati: KTH Royal Institute of Technology
Shule Wang: Nanjing Forestry University
Yazhou Shen: Imperial College London
Tianxiang Wang: KTH Royal Institute of Technology
Yue Wang: KTH Royal Institute of Technology
Linda Sandström: RISE Research Institutes of Sweden AB
Pär G. Jönsson: KTH Royal Institute of Technology
Weihong Yang: KTH Royal Institute of Technology
Tong Han: KTH Royal Institute of Technology

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract This study introduces a distributed electrified heating approach that is able to innovate chemical engineering involving endothermic reactions. It enables rapid and uniform heating of gaseous reactants, facilitating efficient conversion and high product selectivity at specific equilibrium. Demonstrated in catalyst-free CH4 pyrolysis, this approach achieves stable production of H2 (530 g h−1 L reactor −1) and carbon nanotube/fibers through 100% conversion of high-throughput CH4 at 1150 °C, surpassing the results obtained from many complex metal catalysts and high-temperature technologies. Additionally, in catalytic CH4 dry reforming, the distributed electrified heating using metallic monolith with unmodified Ni/MgO catalyst washcoat showcased excellent CH4 and CO2 conversion rates, and syngas production capacity. This innovative heating approach eliminates the need for elongated reactor tubes and external furnaces, promising an energy-concentrated and ultra-compact reactor design significantly smaller than traditional industrial systems, marking a significant advance towards more sustainable and efficient chemical engineering society.

Date: 2024
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DOI: 10.1038/s41467-024-47534-8

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