Aquabattery  was launched in 2014 by ChemEng PhD graduate Jiajun Chen (Founder and CEO). The company develops and commercialise a revolutionary technology delivering large-scale energy storage that is affordable, sustainable and completely safe, by storing energy in just table salt and water.

CEO Jiajun Chen pictured in the lab

The winner of numerous awards and with > €30 million equity and non-equity funding, the company has demonstrated the technology at pilot scale and is presently building a large-scale demonstrator in The Netherlands.
Jiajun Chen has been recognised by important awards, including the EU Sustainable Energy Innovation Award 2025.

Media

https://www.imperial.ac.uk/news/234235/imperial-graduate-awarded-25-million-european/

https://www.imperial.ac.uk/be-inspired/magazine/issue-53/imperial-innovates/

https://www.imperial.ac.uk/news/253076/aquabattery-raises-6m-seed-funding-deploy/

https://www.imperial.ac.uk/news/265435/imperial-alumnus-wins-eu-sustainable-energy/

https://www.icheme.org/training-events/awards/global-awards/winners-2025/

https://www.imperial.ac.uk/alumni/alumni-awards/winners/2026-winners/

https://www.imperial.ac.uk/Stories/alumni-awards-2026-jiajun/