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The characteristics and performance of hybrid redox flow batteries with zinc negative electrodes for energy storage

The characteristics and performance of hybrid redox flow batteries with zinc negative electrodes for energy storage
The characteristics and performance of hybrid redox flow batteries with zinc negative electrodes for energy storage
Zinc negative electrodes are well known in primary batteries based on the classical Leclanché cell but a more recent development is the introduction of a number of rechargeable redox flow batteries for pilot and commercial scale using a zinc/zinc ion redox couple, in acid or alkaline electrolytes, or transformation of surface zinc oxides as a reversible electrode. The benefits and limitations of zinc negative electrodes are outlined with examples to discuss their thermodynamic and kinetic characteristics along with their practical aspects. Four main types of redox flow batteries employing zinc electrodes are considered, the zinc-bromine, zinc- cerium, zinc-air and zinc-nickel. Problems associated with zinc deposition and dissolution, especially in acid media, are summarised. The main features of each battery are identified and the benefits of a flowing electrolyte are explained. In each case, a summary of their development, including the electrode and cell reactions, their potentials, the performance of the positive and negative electrodes, the benefits of a single flow compartment and cell developments for energy storage are included. Remaining challenges are highlighted and possibilities for future advances in redox flow batteries are suggested.
redox flow batteries, redox flow battery, flow batteries, flow battery, zinc, bromine, cerium, nickel, energy storage, Electrochemical reactor, electrochemical reactor design, ionic liquid, secondary batteries – flow systems, secondary battery, rechargeable cells, Renewable energy
1364-0321
992-1016
Arenas, L.F.
6e7e3d10-2aab-4fc3-a6d4-63a6614d0403
Loh, A.
8e326c66-3749-4a52-918a-4241f1e3e523
Trudgeon, D.P.
aa05cef2-bc36-4ee5-869d-258bb92d293e
Li, X.
b8771e7d-d99a-47b7-a328-dc1f8997ad49
Ponce de Leon, C.
508a312e-75ff-4bcb-9151-dacc424d755c
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Arenas, L.F.
6e7e3d10-2aab-4fc3-a6d4-63a6614d0403
Loh, A.
8e326c66-3749-4a52-918a-4241f1e3e523
Trudgeon, D.P.
aa05cef2-bc36-4ee5-869d-258bb92d293e
Li, X.
b8771e7d-d99a-47b7-a328-dc1f8997ad49
Ponce de Leon, C.
508a312e-75ff-4bcb-9151-dacc424d755c
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2

Arenas, L.F., Loh, A., Trudgeon, D.P., Li, X., Ponce de Leon, C. and Walsh, F.C. (2018) The characteristics and performance of hybrid redox flow batteries with zinc negative electrodes for energy storage. Renewable and Sustainable Energy Reviews, 90, 992-1016. (doi:10.1016/j.rser.2018.03.016).

Record type: Review

Abstract

Zinc negative electrodes are well known in primary batteries based on the classical Leclanché cell but a more recent development is the introduction of a number of rechargeable redox flow batteries for pilot and commercial scale using a zinc/zinc ion redox couple, in acid or alkaline electrolytes, or transformation of surface zinc oxides as a reversible electrode. The benefits and limitations of zinc negative electrodes are outlined with examples to discuss their thermodynamic and kinetic characteristics along with their practical aspects. Four main types of redox flow batteries employing zinc electrodes are considered, the zinc-bromine, zinc- cerium, zinc-air and zinc-nickel. Problems associated with zinc deposition and dissolution, especially in acid media, are summarised. The main features of each battery are identified and the benefits of a flowing electrolyte are explained. In each case, a summary of their development, including the electrode and cell reactions, their potentials, the performance of the positive and negative electrodes, the benefits of a single flow compartment and cell developments for energy storage are included. Remaining challenges are highlighted and possibilities for future advances in redox flow batteries are suggested.

Text
Revised Zn Negative RFB Review 24-Jan-2018 PURE - Accepted Manuscript
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More information

Accepted/In Press date: 14 March 2018
e-pub ahead of print date: 24 April 2018
Published date: July 2018
Keywords: redox flow batteries, redox flow battery, flow batteries, flow battery, zinc, bromine, cerium, nickel, energy storage, Electrochemical reactor, electrochemical reactor design, ionic liquid, secondary batteries – flow systems, secondary battery, rechargeable cells, Renewable energy

Identifiers

Local EPrints ID: 418872
URI: http://eprints.soton.ac.uk/id/eprint/418872
ISSN: 1364-0321
PURE UUID: 7bfff8f7-e8aa-4021-9ffc-a62da8d005c0
ORCID for C. Ponce de Leon: ORCID iD orcid.org/0000-0002-1907-5913

Catalogue record

Date deposited: 23 Mar 2018 17:30
Last modified: 17 Dec 2019 05:32

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