How do you store a lot of zero-carbon energy for cheap? Justin Briggs and his co-founders at Antora Energy believe in a simple answer. Find a cheap and abundant material that can retain a lot of energy in a small volume -- and use zero-carbon electricity to get it really hot.That's the product that Antora Energy offers: thermal energy storage using blocks of solid carbon. They've raised $50mn in Series A funding as they target scaling their product, focusing on markets in industry. Justin sat down with Ned Downie and Shivani Shikha to talk about:-- Why the Antora team decided that thermal energy storage was such an appealing product to develop-- How they see their competitive edge against other thermal energy storage technologies for industrial decarbonization-- How centering their mission -- stopping climate change -- in raising funds made them more attractive to venture investors