Abstract
In this work, magnetic stirring was used to assist hydrothermal, and V6O13 was synthesized by controlling different rotational speeds. The research shows that the appropriate rotational speed can promote the crystallization degree of V6O13. When the rotation speed is 1200 r/min, the structure of the sample becomes fibrous, which facilitates the transportation of lithium ions. As the speed increases, the first discharge capacity of the sample increases, and after 100 cycles, the capacity retention rate is also improved. Compared with the sample without speed, the capacity retention rate of the sample of VO-1200 increases by 18.3%. Applying suitable rotation speed during the synthesis of V6O13 is beneficial to improving the electrochemical performance.
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