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Wu, Xiaoyu; Li, Songmei; Wang, Bo; Liu, Jianhua; Yu, Mei . (2020). Free-standing 3D network-like cathode based on biomass-derived N-doped carbon/graphene/g-C3N4 hybrid ultrathin sheets as sulfur host for high-rate Li-S battery. Renewable Energy, (), S0960148120307965–. doi:10.1016/j.renene.2020.05.098 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research