Wired (USA)

Low-cobalt Batteries


The EV revolution is powered by lithium-ion batteries, but mining the cobalt that goes into those batteries is ugly business. The mineral is toxic, there’s not much available, and the industry is rife with human rights abuses. So it was good news at CES to hear that battery manufactur­ers are continuing to try to reduce the amount of cobalt they use. Panasonic, which supplies lithium-ion cells to Tesla, showed off new batteries that are less than 5 percent cobalt, down from typical levels of 20 percent. General Motors has partnered with LG for its upcoming Ultium EV batteries, which use 70 percent less cobalt; the company says all its electric vehicles will be using the new cells by 2023.

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