Aluminum-ion batteries are faster, cheaper, and safer than lithium-ion batteries, but finding an appropriate material for the cathode is proving to be a barrier to commercialization. Researchers in Poland investigated the potential of carbon–tungsten oxide composites as cathode materials.
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Nanotubes align into wafer-thin films, perovskite solar cells get a squeeze, new LED covers full visible spectrum, and other materials stories that may be of interest for April 20, 2016.
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