Recent advances in structural engineering of 2D hexagonal boron nitride electrocatalysts
Recent advances in structural engineering of 2D hexagonal boron nitride electrocatalysts
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二维六方氮化硼电催化剂结构工程研究新进展
DOI：
10.1016/j.nanoen.2021.106661
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发表时间：
2021-10
期刊：
影响因子：
17.6
通讯作者：
Paul K. Chu
中科院分区：
文献类型：
--
作者：
MadihaRafiq;Xiaozhen Hu;Zhiliang Ye;Abdul Qayum;Hong Xia;Liangsheng Hu;Fushen Lu;Paul K. Chu
六方氮化硼(h-BN)作为一种二维材料，近年来在绿色能源领域得到了广泛的关注。过去，h-BN由于导电性差，主要被认为是惰性材料，主要用作商业绝缘体。然而，材料科学和纳米技术的最新进展揭示了h-BN独特的化学和电化学性质、高热稳定性以及对环境友好的优势，揭示了其令人兴奋的应用前景。在能源领域，h-BN还没有像石墨烯等其他2D材料那样得到广泛的研究，也很少有全面的综述讨论这种材料的各个方面及其应用。这篇综述的目的是总结这类独特材料的最新成果和应用，并为未来基于h-BN的绿色能源系统的研究和开发提供指导。我们首先描述了将绝缘h-BN转变为适合能量转换的理想导电材料的物理和化学修饰策略。除了官能化策略外，还综述了h-BN的不同合成方法和重要性质。然后介绍了h-BN作为电催化剂在能源方面的最新进展和应用，包括氧还原反应(ORR)、析氢反应(HER)、析氧反应(OER)、二氧化碳还原反应(CO2RR)和氮还原反应(NRR)。讨论了电催化机理及其对材料性能的影响，最后讨论了改性h-BN在能量转换领域面临的挑战和前景。
Hexagonal boron nitride (h-BN) as a type of two-dimensional (2D) materials has gained significant attention in green energy applications recently. In the past, h-BN has mainly been regarded as inert materials because of the poor conductivity and is mainly used commercially as insulators. However, recent advances in materials science and nanotechnology have unveiled exciting applications of h-BN by taking advantage of the unique chemical and electrochemical properties, high thermal stability, as well as environmental friendliness. In the energy field, h-BN has not been researched as extensively as other 2D materials such as graphene and there have been few comprehensive reviews discussing the various aspects of the materials and applications. The objective of this review is to summarize recent results and applications of this unique class of materials and to provide guidance to future research and development of green energy systems based on h-BN. We first describe the physical and chemical modification strategies to convert insulating h-BN into the desirable conductive materials suitable for energy conversion. In addition to functionalization strategies, different synthetic methods and important properties of h-BN are reviewed. We then describe recent progress and applications of h-BN as electrocatalysts in energy applications, including the oxygen reduction reaction (ORR), hydrogen evolution reaction (HER), oxygen evolution reaction (OER), carbon dioxide reduction reaction (CO2RR), and nitrogen reduction reaction (NRR). The electrocatalytic mechanisms and impact on the materials performance are discussed and finally, the challenges and prospects for modified h-BN in the energy conversion field are discussed.
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