The world runs on lithium-ion batteries. From the smartphone you may be reading this on, to electric vehicles and utility-scale energy storage, lithium powers an enormous and increasing number of devices in the world around us. In fact, lithium-ion batteries now power a whopping 70 percent of all rechargeable devices. But all that lithium demand has some serious downsides, from environmental degradation and public health hazards to increased geopolitical tensions and supply chain vulnerability. There is therefore a significant opportunity for the…