ISCF Wave 1: Earth-Abundant Metal-Air Batteries

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Industrial Strategy Challenge Fund (ISCF) brings together the UK's world leading research with business to meet the major industrial and societal challenges of our time. Clean and flexible energy or the 'Faraday Challenge' is one of the key themes in which will allow UK businesses to seize the opportunities presented by the transition to a low carbon economy, to ensure the UK leads the world in the design, development and manufacture of batteries for the electrification of vehicles.To meet the goals of the ISCF will we investigate metal-air batteries using earth abundant metals such as calcium and sodium as the anode and charge carrier that offer a low cost and easily raw material resourced high energy storage battery system. Earth-abundant metal-air batteries potentially offer a much greater energy storage and power capability than current batteries such as lithium ion, in addition to their abundance worldwide. In order to achieve progress in the field of such calcium and sodium batteries and their subsequent development, mechanistic understanding of the cell chemistry and the required materials, and cell structure, needs to be understood. The project will construct Lab-scale test cells that will be tested in oxygen (air) and oxygen(air)/carbon dioxide mixtures. Via utilisation of redox mediators it is envisioned that a metal-air system could be demonstrated that reversibly stores energy via electrochemical conversion of oxygen and carbon dioxide to metal oxides and carbonates.