UNIGRID Inc. is a San Diego-based sodium-ion battery company founded in 2021 out of UC San Diego Ph.D. research by Dr. Darren H. S. Tan and Dr. Erik A. Wu. Its sodium chromium oxide (NCO) chemistry and alloy anode technology deliver fire-safe, fully passive batteries rated for 30,000+ cycles and -40C to 60C operation, sold as 12V starter batteries… - View it on GitHub