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Interface Engineering of Binder-Free Earth-Abundant Electrocatalysts for Efficient Advanced Energy Conversion.
ChemSusChem ( IF 7.5 ) Pub Date : 2020-07-21 , DOI: 10.1002/cssc.202001293 Peican Wang 1 , Baoguo Wang 1
ChemSusChem ( IF 7.5 ) Pub Date : 2020-07-21 , DOI: 10.1002/cssc.202001293 Peican Wang 1 , Baoguo Wang 1
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Gas‐involved electrocatalysts for the hydrogen evolution reaction, oxygen evolution reaction, and oxygen reduction reaction are crucial for many clean and effective energy technologies. The interface chemistry of electrocatalysts plays an important role in the optimization of their catalytic activity and stability. However, these gas‐involved reactions exhibit sluggish kinetics and complex reactions at triple‐phase interfaces. Thus, interface engineering at multiscale levels plays a decisive role. Binder‐free electrocatalysts have gained increasing popularity, owing to their enhanced electron transfer and improved mass diffusion. This Review summarizes the influence of binder‐free electrocatalysts with optimized interfaces and emphasizes three key interfaces, including the electrocatalyst/substrate interface, the inner interface of the electrocatalyst, and the electrocatalyst/electrolyte/gas interface, which are integral to determining the properties of gas‐involved electrocatalysts, including the electrical conductivity, intrinsic catalytic activity, and mass transfer behavior. Finally, prospects and future challenges for the further development of binder‐free electrocatalysts are discussed.
中文翻译：
无粘合剂的富含地球的电催化剂的界面工程，用于高效的高级能量转换。
氢气分解反应，氧气分解反应和氧气还原反应所用的气体催化剂对于许多清洁有效的能源技术至关重要。电催化剂的界面化学在优化其催化活性和稳定性方面起着重要作用。但是，这些涉及气体的反应在三相界面处显示出缓慢的动力学和复杂的反应。因此，多尺度级别的接口工程起着决定性的作用。无粘结剂的电催化剂由于其增强的电子传递和改善的质量扩散而越来越受欢迎。本综述总结了无粘结剂电催化剂具有优化界面的影响，并着重强调了三个关键界面，包括电催化剂/底物界面，电催化剂的内部界面以及电催化剂/电解质/气体界面，这对于确定涉及气体的电催化剂的性能（包括电导率，固有催化活性和传质行为）必不可少。最后，讨论了无粘合剂电催化剂进一步发展的前景和未来挑战。
更新日期：2020-09-24
中文翻译：
无粘合剂的富含地球的电催化剂的界面工程，用于高效的高级能量转换。
氢气分解反应，氧气分解反应和氧气还原反应所用的气体催化剂对于许多清洁有效的能源技术至关重要。电催化剂的界面化学在优化其催化活性和稳定性方面起着重要作用。但是，这些涉及气体的反应在三相界面处显示出缓慢的动力学和复杂的反应。因此，多尺度级别的接口工程起着决定性的作用。无粘结剂的电催化剂由于其增强的电子传递和改善的质量扩散而越来越受欢迎。本综述总结了无粘结剂电催化剂具有优化界面的影响，并着重强调了三个关键界面，包括电催化剂/底物界面，电催化剂的内部界面以及电催化剂/电解质/气体界面，这对于确定涉及气体的电催化剂的性能（包括电导率，固有催化活性和传质行为）必不可少。最后，讨论了无粘合剂电催化剂进一步发展的前景和未来挑战。
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