Startup · $25.3m raised
Sydney-based energy storage innovator
Sydney, NSW
Every investor coverage indicates participated in a round Gelion raised.
| Investor | Rounds | Invested |
|---|---|---|
| Australian Renewable Energy Agency | Grant | $4,800,000 |
The transaction that ended Gelion's run as a startup, per published coverage. It closes the funding history too, where it is the ladder's last rung.
| Bought by | Kind | Announced | Price | Sources |
|---|---|---|---|---|
| - | IPO | 2021 | - | RenewEconomy (5 Dec 2025), RenewEconomy (5 Dec 2025), RenewEconomy (21 Oct 2025) |
Companies Gelion acquired or merged with, per published coverage. Buying a company is not investing in one: nothing here counts in the deals column.
Stories naming Gelion. Where several outlets covered the same round, they are bundled under whichever ran the fullest account.
Battery maker Gelion, which began at the University of Sydney before relocating to London, has raised fresh funds from shareholders to commercialise its sulfur battery technology, after winning US patents and a manufacturing deal.
Also RenewEconomy·RenewEconomy
The renewable energy agency will grant Gelion $4.8 million, conditional on co-funding, to build a Sydney prototyping centre advancing its lithium-sulphur and silicon-sulphur battery chemistries toward commercialisation.
Also RenewEconomy
EnergyLab's Supercharge Australia initiative has selected eleven startups for its first Innovation Challenge, covering lithium batteries, EV conversion and recycling, with experts judging a Sydney pitch event in March.