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Establishing a smart sensing system is desirable but challenging as the conventional devices require an external battery or power grid which cruelly limits its applications, especially in remote areas or at the condition of power supply with difficulty. Here, we report a smart self-powered sensing network based on a hybrid nanogenerator (NG) that can harvest wind energy and solar energy simultaneously...
Lithium-manganese-rich transition metal oxides have attracted substantial R&D attention due to their potential for high energy-density lithium-ion batteries. In this work, in situ high-energy X-ray diffraction was deployed to investigate the phase evolution during the solid-state synthesis of Li[Li0.2Mn0.54Ni0.13Co0.13]O2. A step-wise consumption of the starting materials was observed during the...
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