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Tin-based materials supported on nitrogen-doped reduced graphene oxide towards their application in lithium-ion batteries

机译：氮掺杂还原氧化石墨烯上负载的锡基材料在锂离子电池中的应用

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摘要

Recently, nitrogen-doped graphene has attracted significant attention for application as an anode in lithium-ion batteries due to effective modulation of the electronic properties of graphene. Herein, we report a facile route to successfully synthesize a series of tin-based materials (including Sn, SnO2, and SnS2) supported on N-doped reduced graphene oxide (N-rGO). Field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM) images indicated that the Sn-based materials were uniformly and tightly dispersed on the surface of N-rGO. When used as an anode in LIBs, the electrochemical performances of the proposed electrodes were systematically investigated and compared. The results show that among these electrodes, SnS2/N-rGO with a matched layered structure delivers the best performance with not only high specific capability but also excellent cycling stability.
机译：近来，由于对石墨烯的电子性质的有效调节，氮掺杂石墨烯在锂离子电池中用作阳极已经引起了广泛的关注。本文中，我们报告了一条成功合成一系列锡基材料（包括Sn，SnO 2 和SnS 2 的简便方法的路线）的方法。 > ）负载在N掺杂的还原氧化石墨烯（N-rGO）上。场发射扫描电子显微镜（FESEM）和透射电子显微镜（TEM）图像表明，Sn基材料均匀且紧密地分散在N-rGO的表面上。当在LIBs中用作阳极时，系统地研究和比较了所建议电极的电化学性能。结果表明，在这些电极中，具有匹配的分层结构的SnS 2 / N-rGO具有最佳的性能，不仅具有较高的比容量，而且具有出色的循环稳定性。

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