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@article{Rubio-Garcia:2019:2515-7655/aaee17,
author = {Rubio-Garcia, J and Kucernak, A and Zhao, D and Lei, D and Fahy, K and Yufit, V and Brandon, N and Gomez-Gonzalez, M},
doi = {2515-7655/aaee17},
journal = {JPhys Energy},
pages = {1--9},
title = {Hydrogen/manganese hybrid redox flow battery},
url = {http://dx.doi.org/10.1088/2515-7655/aaee17},
volume = {1},
year = {2019}
}

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TY  - JOUR
AB  - Electrochemical energy storage is a key enabling technology for further integration of renewables sources. Redox flow batteries (RFBs) are promising candidates for such applications as a result of their durability, efficiency and fast response. However, deployment of existing RFBs is hindered by the relatively high cost of the (typically vanadium-based) electrolyte. Manganese is an earth-abundant and inexpensive element that is widely used in disposable alkaline batteries. However it has hitherto been little explored for RFBs due to the instability of Mn(III) leading to precipitation of MnO2 via a disproportionation reaction. Here we show that by combining the facile hydrogen negative electrode reaction with electrolytes that suppress Mn(III) disproportionation, it is possible to construct a hydrogen/manganese hybrid RFB with high round trip energy efficiency (82%), and high power and energy density (1410 mW cm−2, 33 Wh l−1), at an estimated 70% cost reduction compared to vanadium redox flow batteries.
AU  - Rubio-Garcia,J
AU  - Kucernak,A
AU  - Zhao,D
AU  - Lei,D
AU  - Fahy,K
AU  - Yufit,V
AU  - Brandon,N
AU  - Gomez-Gonzalez,M
DO  - 2515-7655/aaee17
EP  - 9
PY  - 2019///
SN  - 2515-7655
SP  - 1
TI  - Hydrogen/manganese hybrid redox flow battery
T2  - JPhys Energy
UR  - http://dx.doi.org/10.1088/2515-7655/aaee17
UR  - https://iopscience.iop.org/article/10.1088/2515-7655/aaee17
UR  - http://hdl.handle.net/10044/1/66198
VL  - 1
ER  -

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