How similar is the technology of Exa Energy, which just connected a 100MW/1GWh carbon dioxide-based energy storage system to the grid in China, to that of Energy Dome? Â
Hithium’s recent sodium-ion battery and BESS product launch is the latest in a long line of announcements showing an inflection point for the battery chemistry. But how do its new products compare to other sodium-ion systems out there, and to its own LFP offering? Â
Tesla was one of the pioneers of the grid-scale battery storage market, but has faced increasing competition in the past few years. In this article we look under the hood of its latest grid-scale BESS product, the Megapack 3.Â
Elestor claims its hydrogen-iron flow battery delivers 75%+ round-trip efficiency, a 20-25 year lifespan, and 15€/kWh capex for long-duration storage. 
How do Chinese OEMs respond to evolving customer requirements and new risks that come with business outside their home market? We sat down with executives from Rept Battero at Intersolar in June to discuss.Â
In this deep-dive, we go through and analyse all of the technical features and claims of CATL’s new sodium-ion grid-scale BESS product, including its ‘millisecond-level self-healing’.