A review on electrodeposited layered double hydroxides for energy and environmental applications

The great demand for efficient and low-cost materials for energy and environmental applications has been inspiring researchers to develop novel and advanced materials. Recently, layered double hydroxides (LDHs) are found to be admirable materials for various applications owing to their tunable elemental composition and diverse nanostructures. The preparation of binder-free LDHs thin-film electrodes has attracted great attention in the field of supercapacitors, electrocatalysts and sensors. The electmdeposition method exhibits the capability of fabricating binder-free, uniform and well-oriented thin films with tunable elemental composition. In the present review, we provide a detailed electrodeposition mechanism behind the formation of LDHs with nucleation and growth processes. Also, we summarize the literature on electrodeposited LDHs based electrode materials for energy and environmental applications. In energy storage applications, a loading amount of active materials on the substrate is crucial to improve the areal and volumetric capacities. Therefore, the utilization of low-cost and scalable scaffold materials such as carbon nanofibers, graphene foam, etc. is highly recommended.

Automated summary

Researchers have been developing novel and advanced materials to meet the high demand for efficient and low-cost materials for energy and environmental applications. Layered double hydroxides (LDHs) have been found to be excellent materials due to their tunable elemental composition and diverse nanostructures, particularly in the fields of supercapacitors, electrocatalysts, and sensors. The electrodeposition method for preparing binder-free LDHs thin-film electrodes allows for the fabrication of uniform and well-oriented thin films with tunable elemental composition.