Principle of surface treatment for electrochemical energy storage

Can surface chemical modification improve electrolyte-wettability of electrode materials?

Undoubtedly, surface chemical modification is the most useful strategy to improve the electrolyte-wettability of electrode materials for high electrochemical energy storage performance through its strong ability of regulating the surface chemical property of electrode materials.

What is electrochemical energy storage?

Electrochemical energy storage is based on systems that can be used to view high energy density (batteries) or power density (electrochemical condensers). Current and near-future applications are increasingly required in which high energy and high power densities are required in the same material.

Can surface modification improve energy storage performance of cathode materials?

To overcome these challenges of the existing cathode materials, it has been reported that surface modification of the cathode materials is a cost-effective and reasonable technology to enhance their energy storage performances such as capacity retention, cyclability, and thermal stability [ 24 ].

Does electrolyte-wettability improve electrochemical energy storage performance of electrode material?

Therefore, the design and construction of electrode material surfaces with improved electrolyte-wettability has been demonstrated to be important to optimize electrochemical energy storage performance of electrode material.

How can MXene surface terminations be improved in energy storage devices?

Heat treatment and heteroatom doping are effective methods for altering MXene surface terminations. By removing inferior terminations and introducing superior ones, the performance of MXenes in energy storage devices can be substantially improved.

How electrochemical energy storage system converts electric energy into electric energy?

charge Q is stored. So the system converts the electric energy into the stored chemical energy in charging process. through the external circuit. The system converts the stored chemical energy into electric energy in discharging process. Fig1. Schematic illustration of typical electrochemical energy storage system