Abstract
AbstractSn‐based anode has been widely studied because of its high theoretical specific capacity. However, the capacity of Sn‐based anode decreases sharply during the cycle, which hinders its application in commercial batteries. In this paper, Sn‐based glass was successfully obtained by melt quenching method. Sn‐based glass and graphite were combined by the ball milling method as anode materials. The Sn‐based glass–graphite‐composite anode can still maintain the capacity of 700 mA h g−1 after 500 cycles at 500 mA g−1, which is about 2.7 times that of the Sn glass anode (260 mA h g−1) under the same test conditions. The addition of graphite can effectively inhibit the accumulation of Sn particles in the discharge process of Sn‐based glass anode, which improves the capacity of Sn‐based glass anode, and the addition of graphite can effectively reduce the resistance of Sn‐based glass anode. Therefore, the Sn‐based glass–graphite‐composite anode has excellent Li+ ions storage properties.
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