Abstract The heteroatom-doped disordered and nanostructured carbon materials have gained significant attention due to their enormous potential to improve the performance of energy applications. In this context, we have successfully developed a sustainable green synthesis of disordered and nanostructured nitrogen-doped carbon using pre-carbonized Borassus Flabellifer Male Inflorescence biomass coated with Dicyandiamide and Formaldehyde polymer, which subsequently subjected to thermal activation at 1000 °C for 6 hrs in nitrogen environment and it has lower surface area (30.76 m2 g−1). The prepared N-doped carbon, when used as an anode in Li-ion batteries, delivered an outstanding reversible specific capacity of 655.8 mAh g−1 at a current density of 100 mA g−1 with the stable cycling behaviour for 1500 cycles. Even at a higher current rate (1000 mA g−1), the prepared carbon displayed a reversible capacity of 351.9 mAh g−1, thus making it a promising anode candidate for the next generation of high power lithium-ion batteries (LIBs).

中文翻译：

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双氰胺-甲醛和硼砂花序辅助制备低表面积氮掺杂碳作为锂离子电池的高性能阳极

摘要 杂原子掺杂的无序和纳米结构碳材料因其在提高能源应用性能方面的巨大潜力而​​受到广泛关注。在此背景下，我们使用预碳化的双氰胺和甲醛聚合物涂覆的 Borassus Flabellifer 雄花序生物质成功开发了无序和纳米结构的氮掺杂碳的可持续绿色合成，随后在 1000°C 下进行了 6 小时的热活化。氮环境，它具有较低的表面积 (30.76 m2 g-1)。制备的 N 掺杂碳，当用作锂离子电池的负极时，在 100 mA g-1 的电流密度下提供了 655.8 mAh g-1 的出色可逆比容量，并具有 1500 次循环的稳定循环行为。