High-entropy-based nano-materials for sustainable environmental applications

Area of Science:

• Materials Science
• Environmental Science
• Electrochemistry

Background:

• High entropy materials (HEMs), including high entropy alloys (HEAs), offer unique properties for clean energy and environmental applications.
• Their tunable characteristics make them suitable for addressing challenges in wastewater remediation, energy conversion, and storage.

Purpose of the Study:

• To comprehensively review the catalytic and electrochemical applications of HEMs.
• To highlight HEMs as novel electrode nanomaterials for batteries and supercapacitors.
• To identify challenges, opportunities, and future research directions for HEMs in catalysis and energy storage.

Main Methods:

• Literature review and bibliometric analysis of HEM research.
• Exploration of HEMs' catalytic capabilities in redox reactions (CO2 reduction, pollutant degradation, O2 reduction, H2 evolution, NH3 decomposition).
• Investigation of HEMs in electrochemical energy storage (batteries, supercapacitors).

Main Results:

• HEMs exhibit significant potential in electrocatalytic and photocatalytic applications for environmental remediation and energy conversion.
• HEMs demonstrate promising performance as electrode materials in batteries and supercapacitors due to high capacitance, conductivity, and stability.
• Bibliometric analysis reveals key trends and emerging research areas in HEMs for environmental and energy applications.

Conclusions:

• HEMs are versatile materials with substantial potential for advancing clean energy technologies and environmental solutions.
• Further research into the fundamental mechanisms governing HEMs' performance is crucial for optimization.
• Understanding and addressing current challenges will accelerate the development and application of HEMs.