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The hierarchically architectured graphene-based materials are considered as a promising active or supporting material for the lithium ion batteries (LIBs). However, it faces critical challenges of the limited stored capacity, the mechanical brittleness, and the contact resistance. Herein, we demonstrate the unique hierarchical structures, where carbon nanotubes (CNTs) are branched onto the modified...
Free-standing and flexible activated flax fabrics (AFFs) with hierarchical meso/microporous structures have been prepared through a novel one-step synthetic strategy of rapid carbonization/activation of flax fabrics in CO2. The fast heating and the high partial pressure of CO2 inhibit the decomposition of flax fabrics during heating up, and thus keep more char materials for gasification at high temperature...
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