Battery technology developer Gelion focuses on stationary battery technology, but it has also developed additives for batteries used by vehicles. The unique zinc-bromide stationary battery technology does not use minerals from conflict zones, and they are easily obtained. Existing lead-acid battery factories can be used to manufacture these batteries.

The stationary battery market is expected to grow by 24% a year. Electric vehicle battery sales are expected to reach $125bn by 2030, which is annual growth of 18%.

Gelion shares ended the first day of trading at 150.5p. The potential is e...