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Articles from Aarhus University

Unbiased, complete solar charging of a neutral flow battery by a single si photocathode

August 2, 2018

This article discusses attempts to develop aqueous flow batteries storing solar energy, and these regard solar charge depth, efficiency of solar conversion, and capacity of the battery electrolyte. Furthermore, the article presents a new strategy within redox flow batteries for solar energy, which has the purpose of realising the energy storage capacity of such a device to the full.

Data on flow cell optimisation for membrane-based electrokinetic energy conversion

December 1, 2017

This article presents how an optimised flow cell can be converted into electrical energy. Here two parameters are investigated; the first is a hydraulic pressure profile, and the latter is the electrical resistance across the flow cell.

Differential pH as a method for increasing cell potential in organic aqueous flow batteries

September 10, 2017

This article discusses the power, energy density, and cycle efficiency of high battery cell potentials in flow batteries. Furthermore, the article presents a demonstration of a flow battery with a differential pH.

Organic redox species in aqueous flow batteries: redox potentials, chemical stability and solubility

December 14, 2016

This article presents the idea of using organic molecules as redox species in redox flow batteries. These molecules are investigated and discussed in terms of solubility, stability, and their redox potential. Furthermore, the article deals with the challenges that arise with a redox flow battery that is completely organic.

Solar charged redox flow battery

August 1, 2016

This article presents the idea of energy storage from intermittent energy sources. Furthermore, the article deals with a description of flow battery electrolytes, and the photoelectrochemical charging process, which is possible utilising inexpensive and safe materials.

Direct solar charging of an organic–inorganic, stable, and aqueous alkaline redox flow battery with a hematite photoanode

April 1, 2016

This article presents the idea of energy storage from intermittent sunlight, and the direct charging of a redox flow battery. Furthermore, the article deals with a description of the electrolytes used, along with photovoltage enhancement strategies.

Unbiased solar energy storage: photoelectrochemical redox flow battery

February 22, 2016

This article deals with a proposal for how to store solar energy, that originates from converted sunlight into electrochemical energy in a redox flow battery (RFB).