ePrints

A polyoxometalate redox flow battery: functionality and upscale

Lookup NU author(s): Dr Jochen Friedl, Felix Pfanschilling, Matthäa Holland-Cunz, Professor Ulrich Stimming

Downloads

• Published version [.pdf]

Licence

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).

Abstract

While redox flow batteries carry a large potential for electricity storage, specifically for regenerative energies, the current technology-prone system—the all-vanadium redox flow battery—exhibits two major disadvantages: low energy and low power densities. Polyoxometalates have the potential to mitigate both effects. In this publication, the operation of a polyoxometalate redox flow battery was demonstrated for the polyoxoanions [SiW₁₂O₄₀]^4– (SiW₁₂) in the anolyte and [PV₁₄O₄₂]^9– (PV₁₄) in the catholyte. Emphasis was laid on comparing to which extent an upscale from 25 to 1400 cm² membrane area may impede efficiency and operational parameters. Results demonstrated that the operation of the large cell for close to 3 months did not diminish operation and the stability of polyoxometalates was unaltered.

Publication metadata

Author(s): Friedl J, Pfanschilling FL, Holland-Cunz MV, Fleck R, Schricker B, Wolfschmidt H, Stimming U

Publication type: Article

Publication status: Published

Journal: Clean Energy

Year: 2019

Volume: 3

Issue: 4

Pages: 278-287

Print publication date: 01/12/2019

Online publication date: 15/08/2019

Acceptance date: 19/06/2019

Date deposited: 16/08/2019

ISSN (print): 2515-4230

ISSN (electronic): 2515-396X

Publisher: Oxford University Press

URL: https://doi.org/10.1093/ce/zkz019

DOI: 10.1093/ce/zkz019

Notes: energy storage, redox flow battery, polyoxometalates, upscale

Altmetrics

Funding

Share