DataVXACS Energy LettersPaper
journal article·2024-09-13

Electrochemical Hydrogenation of a Liquid Organic Hydrogen Carrier Using a Pd Membrane Reactor

Mia D. Stankovic, Natalie E. LeSage, Jessica F. Sperryn, Aiko Kurimoto, Curtis P. Berlinguette

ACS Energy Letters· Volume 9· Issue 9
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Source abstract

Abstract

Liquid organic hydrogen carriers (LOHCs) store hydrogen in the chemical bonds of organic molecules. Unsaturated molecules, like toluene, can store hydrogen at densities comparable to compressed gas, but have the distinct advantage of being transportable as liquids under ambient conditions. Thermochemical hydrogenation using H 2(g) requires high temperatures and pressures, whereas electrochemical hydrogenation can proceed at ambient conditions and without H 2(g) . However, the electrochemical hydrogenation of toluene is limited by the low solubility of toluene (<6 mM) in water. Here, we demonstrate the hydrogenation of neat liquid toluene electrochemically by using a palladium membrane reactor. We show that this reactor prevents toluene permeation to the anode chamber, which is a persistent issue for other forms of electrochemical hydrogenation. This paper outlines how the membrane reactor also overcomes many other issues associated with electrochemical hydrogenation, thereby enabling the hydrogenation of LOHCs without H 2(g) .
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Research context

Energy storage

OpenAlex topics: Electrocatalysts for Energy Conversion · Fuel Cells and Related Materials · Catalysis and Hydrodesulfurization Studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada

Department of Chemical and Biological Engineering, The University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z3, Canada

Stewart Blusson Quantum Matter Institute, The University of British Columbia, 2355 East Mall, Vancouver, British Columbia V6T 1Z4, Canada

Canadian Institute for Advanced Research (CIFAR), 661 University Avenue, Toronto, Ontario M5G 1M1, Canada

Funding

University of British Columbia Graduate School · Canada Foundation for Innovation · Stewart Blusson Quantum Matter Institute, University of British Columbia · Canada Research Chairs · Canada First Research Excellence Fund · Natural Sciences and Engineering Research Council of Canada · Canadian Institute for Advanced Research · University of British Columbia

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