Deeya Energy, which makes large flow batteries to provide backup power to industrial plants, raised $15 million in a second round of financing, according to Venture Wire.
The company earlier raised $7.5 million and is building manufacturing facilities in India.
What is a flow battery? It's a battery with tanks of electrolytes that effectively let the battery store more energy than normal batteries. The electrolytes flow or circulate through the system. The larger the tanks, the more electricity it can store.
Flow batteries won't appear in watches or MP3 players any day soon. They are too big, … Read more