Researchers explore nickel's love-hate relationship with battery electrodes

Examining battery materials on the nano-scale reveals how nickel forms a physical barrier that appears to impede the shuttling of lithium ions in the battery's electrode, reducing how fast the materials charge and discharge, according to research led by DOE's Pacific Northwest National Laboratory. Nickel is an essential component of cathode compounds for lithium-ion batteries.  Published in Nano Letters, the research also suggests a way to improve the materials.

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