对硒电化学的基本理解：从电解池到先进储能,Energy & Environmental Materials

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对硒电化学的基本理解：从电解池到先进储能
Energy & Environmental Materials ( IF 13.0 ) Pub Date : 2023-08-06 , DOI: 10.1002/eem2.12664
Jiguo Tu ₁ , Cheng Chang ₁ , Jingxiu Wang ₂ , Haiping Lei ₃ , R. Vasant Kumar ₄ , Mingyong Wang ₁ , Shuqiang Jiao ₁

Affiliation

硒（Se）作为一种重要的准金属元素，由于其独特的物理和化学性质，在薄膜太阳能电池、电催化剂和储能应用领域备受关注。然而，硒在从电解池到电池的不同系统中的电化学行为非常复杂且尚未完全了解。在本文中，我们重点关注硒在水溶液、熔盐和离子液体电解质中的电化学过程，以及含硒材料在储能中的应用。首先，全面总结了不同体系中含硒物质的电化学行为，以了解动力学过程的复杂性并指导硒电沉积。然后，讨论了沉积条件与电沉积Se结构和形貌之间的关系，从而调控产物的形貌和成分。最后，回顾了硒在薄膜太阳能电池和二次电池中的先进储能应用，并系统地理解了硒在单价和多价金属离子电池中的电化学反应过程。在了解基本电化学机理的基础上，通过对反应动力学和储能应用的深入回顾，思考含硒材料的未来发展方向。

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Fundamental Understanding on Selenium Electrochemistry: From Electrolytic Cell to Advanced Energy Storage

Selenium (Se), as an important quasi-metal element, has attracted much attention in the fields of thin-film solar cells, electrocatalysts and energy storage applications, due to its unique physical and chemical properties. However, the electrochemical behavior of Se in different systems from electrolytic cell to battery are complex and not fully understood. In this article, we focus on the electrochemical processes of Se in aqueous solutions, molten salts and ionic liquid electrolytes, as well as the application of Se-containing materials in energy storage. Initially, the electrochemical behaviors of Se-containing species in different systems are comprehensively summarized to understand the complexity of the kinetic processes and guide the Se electrodeposition. Then, the relationship between the deposition conditions and resulting structure and morphology of electrodeposited Se is discussed, so as to regulate the morphology and composition of the products. Finally, the advanced energy storage applications of Se in thin-film solar cells and secondary batteries are reviewed, and the electrochemical reaction processes of Se are systematically comprehended in monovalent and multivalent metal-ion batteries. Based on understanding the fundamental electrochemistry mechanism, the future development directions of Se-containing materials are considered in view of the in-depth review of reaction kinetics and energy storage applications.

更新日期：2023-08-06

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