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Renewable hydrogen generation from a dual-circuit redox flow battery

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Renewable hydrogen generation from a dual-circuit redox flow battery. / Amstutz, Veronique; Toghill, Kathryn E.; Powlesland, Francis; Vrubel, Heron; Comninellis, Christos; Hu, Xile; Girault, Hubert H.

In: Energy and Environmental Science, Vol. 7, No. 7, 07.2014, p. 2350-2358.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Amstutz, V, Toghill, KE, Powlesland, F, Vrubel, H, Comninellis, C, Hu, X & Girault, HH 2014, 'Renewable hydrogen generation from a dual-circuit redox flow battery', Energy and Environmental Science, vol. 7, no. 7, pp. 2350-2358. https://doi.org/10.1039/c4ee00098f

APA

Amstutz, V., Toghill, K. E., Powlesland, F., Vrubel, H., Comninellis, C., Hu, X., & Girault, H. H. (2014). Renewable hydrogen generation from a dual-circuit redox flow battery. Energy and Environmental Science, 7(7), 2350-2358. https://doi.org/10.1039/c4ee00098f

Vancouver

Amstutz V, Toghill KE, Powlesland F, Vrubel H, Comninellis C, Hu X et al. Renewable hydrogen generation from a dual-circuit redox flow battery. Energy and Environmental Science. 2014 Jul;7(7):2350-2358. https://doi.org/10.1039/c4ee00098f

Author

Amstutz, Veronique ; Toghill, Kathryn E. ; Powlesland, Francis ; Vrubel, Heron ; Comninellis, Christos ; Hu, Xile ; Girault, Hubert H. / Renewable hydrogen generation from a dual-circuit redox flow battery. In: Energy and Environmental Science. 2014 ; Vol. 7, No. 7. pp. 2350-2358.

Bibtex

@article{2b375cd9ddc44ef6b56878c9176c1d5f,
title = "Renewable hydrogen generation from a dual-circuit redox flow battery",
abstract = "Redox flow batteries (RFBs) are particularly well suited for storing the intermittent excess supply of renewable electricity, so-called {"}junk{"} electricity. Conventional RFBs are charged and discharged electrochemically, with electricity stored as chemical energy in the electrolytes. In the RFB system reported here, the electrolytes are conventionally charged but are then chemically discharged over catalytic beds in separate external circuits. The catalytic reaction of particular interest generates hydrogen gas as secondary energy storage. For demonstration, indirect water electrolysis was performed generating hydrogen and oxygen in separate catalytic reactions. The electrolyte containing V(II) was chemically discharged through proton reduction to hydrogen on a molybdenum carbide catalyst, whereas the electrolyte comprising Ce(IV) was similarly discharged in the oxidation of water to oxygen on a ruthenium dioxide catalyst. This approach is designed to complement electrochemical energy storage and may circumvent the low energy density of RFBs especially as hydrogen can be produced continuously whilst the RFB is charging.",
keywords = "REDOX FLOW BATTERY, WATER OXIDATION, HYDROGEN, ENERGY STORAGE, VANADIUM, ELECTROCATALYSTS, KINETICS, CERIUM, OXYGEN, MOS2",
author = "Veronique Amstutz and Toghill, {Kathryn E.} and Francis Powlesland and Heron Vrubel and Christos Comninellis and Xile Hu and Girault, {Hubert H.}",
year = "2014",
month = jul,
doi = "10.1039/c4ee00098f",
language = "English",
volume = "7",
pages = "2350--2358",
journal = "Energy and Environmental Science",
issn = "1754-5692",
publisher = "The Royal Society of Chemistry",
number = "7",

}

RIS

TY - JOUR

T1 - Renewable hydrogen generation from a dual-circuit redox flow battery

AU - Amstutz, Veronique

AU - Toghill, Kathryn E.

AU - Powlesland, Francis

AU - Vrubel, Heron

AU - Comninellis, Christos

AU - Hu, Xile

AU - Girault, Hubert H.

PY - 2014/7

Y1 - 2014/7

N2 - Redox flow batteries (RFBs) are particularly well suited for storing the intermittent excess supply of renewable electricity, so-called "junk" electricity. Conventional RFBs are charged and discharged electrochemically, with electricity stored as chemical energy in the electrolytes. In the RFB system reported here, the electrolytes are conventionally charged but are then chemically discharged over catalytic beds in separate external circuits. The catalytic reaction of particular interest generates hydrogen gas as secondary energy storage. For demonstration, indirect water electrolysis was performed generating hydrogen and oxygen in separate catalytic reactions. The electrolyte containing V(II) was chemically discharged through proton reduction to hydrogen on a molybdenum carbide catalyst, whereas the electrolyte comprising Ce(IV) was similarly discharged in the oxidation of water to oxygen on a ruthenium dioxide catalyst. This approach is designed to complement electrochemical energy storage and may circumvent the low energy density of RFBs especially as hydrogen can be produced continuously whilst the RFB is charging.

AB - Redox flow batteries (RFBs) are particularly well suited for storing the intermittent excess supply of renewable electricity, so-called "junk" electricity. Conventional RFBs are charged and discharged electrochemically, with electricity stored as chemical energy in the electrolytes. In the RFB system reported here, the electrolytes are conventionally charged but are then chemically discharged over catalytic beds in separate external circuits. The catalytic reaction of particular interest generates hydrogen gas as secondary energy storage. For demonstration, indirect water electrolysis was performed generating hydrogen and oxygen in separate catalytic reactions. The electrolyte containing V(II) was chemically discharged through proton reduction to hydrogen on a molybdenum carbide catalyst, whereas the electrolyte comprising Ce(IV) was similarly discharged in the oxidation of water to oxygen on a ruthenium dioxide catalyst. This approach is designed to complement electrochemical energy storage and may circumvent the low energy density of RFBs especially as hydrogen can be produced continuously whilst the RFB is charging.

KW - REDOX FLOW BATTERY

KW - WATER OXIDATION

KW - HYDROGEN

KW - ENERGY STORAGE

KW - VANADIUM

KW - ELECTROCATALYSTS

KW - KINETICS

KW - CERIUM

KW - OXYGEN

KW - MOS2

U2 - 10.1039/c4ee00098f

DO - 10.1039/c4ee00098f

M3 - Journal article

VL - 7

SP - 2350

EP - 2358

JO - Energy and Environmental Science

JF - Energy and Environmental Science

SN - 1754-5692

IS - 7

ER -