Reusing electric-car batteries: great idea, lots of practical challenges

Used Chevrolet Volt batteries for energy storage at GM facility in Milford, Michigan

In theory, it’s a wonderful concept: once their tenure in an electric car is over, lithium-ion battery packs with as much as 70 percent of their energy capacity remaining can be sold and reused. In practice, however—especially at scale—the idea turns out to have some practical challenges that must be overcome. At the simplest level, a… …read more