Regulating Intercalation of Layered Compounds for Electrochemical Energy Storage and Electrocatalysis

• Published in: Advanced functional materials Vol. 31; no. 52
• Main Authors: Yang, Beibei, Tamirat, Andebet Gedamu, Bin, Duan, Yao, Yong, Lu, Hongbin, Xia, Yongyao
• Format: Journal Article
• Language: English
• Published: Hoboken Wiley Subscription Services, Inc 01-12-2021
• Subjects: Catalysis; Charge transport; Chemical reactions; Conversion; Diffusion layers; Diffusion rate; electrochemical performance; Energy storage; guest species; Intercalation; Interlayers; Ion diffusion; Ion transport; Layered materials; Materials science
• ISSN: 1616-301X; 1616-3028
• DOI: 10.1002/adfm.202104543

Layered materials have received extensive attention for widespread applications such as energy storage and conversion, catalysis, and ion transport owing to their fast ion diffusion, exfoliative feature, superior mechanical flexibility, tunable bandgap structure, etc. The presence of large interlayer space between each layer enhances intercalation of the guest ion or molecule, which is beneficial for fast ion diffusion and charge transport along the channels. This intercalation reaction of layered compounds with guest species results in material with improved mechanical and electronic properties for efficient energy storage and conversion, catalysis, ion transport, and other applications. This review extensively discusses the intercalation of guest ionic or molecular species into layered materials used for various types of applications. It assesses the intercalation strategies, mechanism of ionic or molecular intercalation reactions, and highlights recent advancements. The electrochemical performances of several typical intercalated materials in batteries, supercapacitors, and electrocatalytic systems have been thoroughly discussed. Moreover, the challenges in the design and intercalation of layered materials, as well as prospects of future development are highlighted.
This review systematically discusses the intercalation mechanism and method of guest species into layered materials, highlights their recent application such as lithium ion batteries, sodium ion batteries, aqueous zinc batteries, supercapacitors, hydrogen evolution reaction and oxygen evolution reaction, and emphasizes the strategies to enhance their properties and fundamental issues of the intercalated layered materials.