NIO aiming to innovate with battery cooling, patents suggest

Nio Eve concept, 2017 SXSWAs it works toward an entry in the U.S. and works on a next generation of vehicles that may be sold here, China's NIO is thinking a lot about batteries getting hot—more specifically, how to avoid the issue altogether. The U.S. Patent and Trademark Office published Thursday a number of new patent applications from NIO USA, Inc., the American...