(Source: Argonne National Laboratory) Today's lithium-ion batteries hold more than twice the energy of those released in 1991, and they continue to improve. But even when brought to their full theoretical energy storage potential, lithium-ion batteries fall short of some of our energy storage needs. Next-generation batteries are necessary to meet these needs. For this reason, the Joint Center for Energy Storage Research (JCESR), a U.S. Department of Energy (DOE) Innovation Hub led by Argonne National Laboratory, looks exclusively beyond lithium-ion. With JCESR at its halfway point, 2 1/2 years into its five-year charter, this is a good time to step back and look at the big picture: how far...
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