Nickel Oxide/Graphene Composites: Synthesis and Applications

Area of Science:

• Materials Science
• Electrochemistry
• Nanotechnology

Background:

• Nickel oxide (NiO) is a cost-effective transition-metal oxide with significant electrochemical properties.
• NiO is a promising material for applications in electrochemical capacitors, batteries, catalysis, and electrochromic films.
• Composites of NiO with graphene or its derivatives exhibit synergistic effects and improved performance.

Purpose of the Study:

• To review recent advances in nickel oxide/graphene composites.
• To summarize synthesis strategies, morphologies, and electrochemical performance.
• To discuss applications in supercapacitors, batteries, sensors, and catalysis.

Main Methods:

• Literature review of recent studies on NiO/graphene composites.
• Analysis of synthetic approaches and material characterization.
• Evaluation of electrochemical performance data from various applications.

Main Results:

• NiO/graphene composites demonstrate synergistic effects leading to superior electrochemical performance.
• Various synthetic strategies yield diverse morphologies with tailored properties.
• These composites show significant potential in supercapacitors, batteries, sensors, and catalysis.

Conclusions:

• NiO/graphene composites represent a significant advancement in energy storage and catalytic applications.
• Further research is needed to overcome challenges and optimize future development.
• The integration of TMOs with graphene holds broad promise for next-generation materials.