Redoxblox, a thermochemical energy storage company, raised an additional $30 million in Series A funding. The funding round was led by Prelude Ventures and joined by Imperative Ventures, New System Ventures, and existing investors Breakthrough Energy Ventures and Khosla Ventures. The company was also awarded $8.9 million from the California Energy Commission and $6.7 million from the U.S. Department of Energy this year.