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Review

Recent Advances in Homogeneous/Heterogeneous Catalytic Hydrogenation and Dehydrogenation for Potential Liquid Organic Hydrogen Carrier (LOHC) Systems

1
College of Pharmacy, Kyung Hee University, Seoul 02447, Korea
2
Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Korea
*
Author to whom correspondence should be addressed.
Catalysts 2021, 11(12), 1497; https://doi.org/10.3390/catal11121497
Submission received: 31 October 2021 / Revised: 1 December 2021 / Accepted: 3 December 2021 / Published: 9 December 2021

Abstract

Here, we review liquid organic hydrogen carriers (LOHCs) as a potential solution to the global warming problem due to the increased use of fossil fuels. Recently, hydrogen molecules have attracted attention as a sustainable energy carrier from renewable energy-rich regions to energy-deficient regions. The LOHC system is one a particularly promising hydrogen storage system in the “hydrogen economy”, and efficient hydrogen mass production that generates only benign byproducts can be applied in the industry. Therefore, this article presents hydrogenation and dehydrogenation, using homogeneous or heterogeneous catalysts, for several types of LOHCs, including formic acid/formaldehyde/ammonia, homocyclic compounds, nitrogen- and oxygen-containing compounds. In addition, it introduces LOHC system reactor types.
Keywords: hydrogenation; dehydrogenation; homogeneous catalysis; heterogeneous catalysis; liquid organic hydrogen carrier (LOHC) hydrogenation; dehydrogenation; homogeneous catalysis; heterogeneous catalysis; liquid organic hydrogen carrier (LOHC)
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MDPI and ACS Style

Cho, J.-Y.; Kim, H.; Oh, J.-E.; Park, B.Y. Recent Advances in Homogeneous/Heterogeneous Catalytic Hydrogenation and Dehydrogenation for Potential Liquid Organic Hydrogen Carrier (LOHC) Systems. Catalysts 2021, 11, 1497. https://doi.org/10.3390/catal11121497

AMA Style

Cho J-Y, Kim H, Oh J-E, Park BY. Recent Advances in Homogeneous/Heterogeneous Catalytic Hydrogenation and Dehydrogenation for Potential Liquid Organic Hydrogen Carrier (LOHC) Systems. Catalysts. 2021; 11(12):1497. https://doi.org/10.3390/catal11121497

Chicago/Turabian Style

Cho, Jun-Young, Hahyeon Kim, Jeong-Eun Oh, and Boyoung Y. Park. 2021. "Recent Advances in Homogeneous/Heterogeneous Catalytic Hydrogenation and Dehydrogenation for Potential Liquid Organic Hydrogen Carrier (LOHC) Systems" Catalysts 11, no. 12: 1497. https://doi.org/10.3390/catal11121497

APA Style

Cho, J.-Y., Kim, H., Oh, J.-E., & Park, B. Y. (2021). Recent Advances in Homogeneous/Heterogeneous Catalytic Hydrogenation and Dehydrogenation for Potential Liquid Organic Hydrogen Carrier (LOHC) Systems. Catalysts, 11(12), 1497. https://doi.org/10.3390/catal11121497

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