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Emerging 2D Copper-Based Materials for Energy Storage and Conversion: A Review and Perspective
Xuehua Ren1, Haoyu Wang1, Jun Chen1
1Department of Applied Chemistry, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, P. R. China.
Small (Weinheim an Der Bergstrasse, Germany)
|December 16, 2022
Summary
Emerging 2D copper-based materials offer low cost and high stability for energy technologies. Strategies like defect engineering enhance their performance in batteries and electrocatalysis.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Two-dimensional (2D) materials are promising for electrochemical energy technologies.
- 2D copper-based materials (e.g., Cu-O, Cu-S) exhibit low cost, stability, and excellent electrochemical properties.
Purpose of the Study:
- To summarize recent advances in 2D copper-based materials.
- To explore strategies for enhancing their electrochemical performance.
- To review their applications in energy storage and electrocatalysis.
Main Methods:
- Summary of crystal structures and synthesis.
- Detailed description of defect engineering, heterostructure construction, and surface functionalization.
- Discussion of charge storage mechanisms via advanced characterization.
Main Results:
- 2D copper-based materials show significant potential in supercapacitors, Li/Na/K-ion batteries, and Mg/Al-ion batteries.
- Applications in electrocatalysis include metal-air batteries, water-splitting, and CO2 reduction.
- Various characterization techniques elucidate charge storage mechanisms.
Conclusions:
- 2D copper-based materials are versatile for energy storage and conversion.
- Challenges and future research directions are identified for high-performance applications.
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