Dense Graphene Monolith for High Volumetric Energy Density Li–S Batteries

Here, a novel approach is developed to fabricate high-density graphene bulk materials with “ink-bottle-like” mesopores by phosphoric acid (H3PO4) activation. These pores can effectively confine the polysulfides due to their unique structure with a wide body and narrow neck, which shows only a 0.05% …

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