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首页> 外文期刊>Journal of nanoscience and nanotechnology >Facile Synthesis of Pre-Doping Lithium-Ion Into Nitrogen-Doped Graphite Negative Electrode for Lithium-Ion Capacitor
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Facile Synthesis of Pre-Doping Lithium-Ion Into Nitrogen-Doped Graphite Negative Electrode for Lithium-Ion Capacitor

机译：锂离子电容器的氮掺杂石墨负极中预掺杂锂离子的简便合成

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摘要

Nitrogen-doped graphite, prepared via the thermal decomposition of melamine into a carbon matrix for use as the negative electrode in lithium-ion capacitors (LICs), was evaluated by electrochemical measurements. Furthermore, in order to study the performance of pre-doped lithium components as a function of nitrogen-doped material, the pre-doped lithium graphite was allowed to react with a lithium salt solution. The results showed that the nitrogen functional groups in the graphite largely influenced the pre-doped lithium components, thereby contributing to the discharge capacity and cycling performance. We confirmed that the large initial irreversible capacity could be significantly decreased by using pre-doped lithium components obtained through the nitrogen-doping method.
机译：通过电化学测量评估了通过将三聚氰胺热分解成碳基质用作锂离子电容器（LICs）的负极而制备的掺氮石墨。此外，为了研究作为氮掺杂材料的函数的预掺杂锂组分的性能，使预掺杂锂石墨与锂盐溶液反应。结果表明，石墨中的氮官能团极大地影响了预掺杂的锂组分，从而有助于放电容量和循环性能。我们证实，通过使用通过氮掺杂方法获得的预掺杂锂组分，可以大大降低大的初始不可逆容量。

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