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Heteroatom-Doped Carbon Materials for Hydrazine Oxidation

机译：杂原子掺杂碳材料用于肼氧化

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摘要

The key in designing efficient direct liquid fuel cells (DLFCs), which can offer some solutions to society's grand challenges associated with sustainability and energy future, currently lies in the development of cost-effective electrocatalysts. Among the many types of fuel cells, direct hydrazine fuel cells (DHFCs) are of particular interest, especially due to their high theoretical cell voltages and clean emission. However, DHFCs currently use noble-metal-based electrocatalysts, and the scarcity and high cost of noble metals are hindering these fuel cells from finding large-scale practical applications. In order to replace noble-metal-based electrocatalysts with sustainable ones and help DHFCs become widely usable, great efforts are being made to develop stable heteroatom (e.g., B, N, O, P and S)-doped carbon electrocatalysts, the activities of which are comparable to, or better than, those of noble metals. Here, the recent research progress and the advancements made on the development of heteroatom-doped carbon materials, their general properties, their electrocatalytic activities toward the HzOR, and their dopant- and structure-related electrocatalytic properties for the HzOR are summarized. Perspectives on the different directions that the research endeavors in this field need to take in the future and the challenges associated with DHFCs are included.
机译：设计有效的直接液体燃料电池（DLFC）的关键是为具有成本效益的电催化剂的开发提供解决方案，以应对社会与可持续性和能源未来相关的巨大挑战。在许多类型的燃料电池中，特别是直接肼燃料电池（DHFC）特别重要，因为它们的理论电池电压高且排放干净。然而，DHFC目前使用贵金属基电催化剂，并且贵金属的稀缺性和高成本阻碍了这些燃料电池的大规模实际应用。为了用可持续的催化剂替代贵金属基的电催化剂并帮助DHFC广泛使用，人们正在大力开发稳定的杂原子（例如B，N，O，P和S）掺杂的碳电催化剂，与贵金属相当或更好。在此，总结了杂原子掺杂碳材料的发展，其一般性能，对HzOR的电催化活性以及对HzOR的掺杂剂和结构相关的电催化性能的最新研究进展和进展。未来该领域研究工作需要采取的不同方向的观点以及与DHFC相关的挑战也包括在内。

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