A “novel and innovative” technology which uses CO2 as a medium to store energy could be made using off-the-shelf equipment and made available to the market as early as next year, the company behind it has said.
Nickel-hydrogen batteries have been used in space for several years, but a California company adapting the technology for storing energy here on earth has raised US$100 million in a Series A funding round.
Breakthrough Energy Ventures was among investors in a Series C funding round for Reactive Technologies, a company which has developed a means to measure “fundamental grid stability parameters in real-time,” offering visibility to renewable energy and energy storage asset developers and system planners.
Malta Inc, developer of a grid-scale electro-thermal energy storage technology, has closed a Series B funding round, raising US$50 million from investors that include Facebook co-founder Dustin Moskovitz.
Australia’s government-owned green bank, the Clean Energy Finance Corporation (CEFC), has pledged AU$300 million (US$192 million) of existing funding towards “building investor confidence in renewable hydrogen”.
Softbank Group’s SB Energy subsidiary is among investors that contributed to a successful US$30 million Series C funding round for ESS Inc, a US-headquartered manufacturer of iron flow batteries that use a proprietary saltwater electrolyte.