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We introduce a “gelating-cutting” strategy to improve specific areal capacity and cycle life for Li-O2 cathode. Conventional Li-O2 cathode with liquid electrolyte is gelated with highly elastic crosslinked polymer and cut into 50–200 µm granules. The gaps between the packed gel granules efficiently induce oxygen to the inner part of the cathode, leading to even Li2O2 growth in thick cathode. Meanwhile,...
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