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The next generation of sustainable energy technology might be built from some low-tech materials: rocks and the sun. Using a new approach known as concentrated solar power, heat from the sun is st ...
Due to the high energy density and low production cost, silicon oxide (SiOx) is recognized as one of the most promising anode materials for lithium-ion batteries. However, the low initial coulombic efficiency and rapid capacity attenuation of SiOx anodes severely restricts its commercial application. Here, we propose a scalable strategy of pre-lithiation followed by a thermal passivation to improve the initial coulombic efficiency of SiOx anodes, boosting the large-scale commercial applications of the pre-lithiation strategy. First, the hollow porous SiOx@C spheres (Hp-SiOx@C) with adjustable ...