Graphene, renowned for its two-dimensional hexagonal lattice structure, stands out in the scientific community for its extraordinary properties, such as high thermal conductivity, exceptional mechanical strength, and large specific surface area. These characteristics are particularly advantageous in tribology, where graphene's layered structure and weak Van der Waals forces significantly reduce friction and wear in lubrication systems. Despite notable advancements in utilizing graphene-based nanomaterials, several challenges hinder their practical applications. Key among these are the ongoing issues of material wear and energy loss in mechanical and engine components, which not only increase operational costs but also contribute to environmental degradation through excessive CO2 emissions.

This Research Topic is dedicated to advancing the understanding and development of graphene-based nanomaterials in lubrication. The objective is to explore innovative synthesis techniques, elucidate the mechanisms by which graphene enhances tribological performance, and assess the environmental impacts of these technologies. Ultimately, the goal is to foster the creation of next-generation lubricants that significantly reduce friction and wear, thereby promoting more sustainable industrial processes and contributing to a reduction in global energy consumption.

Addressing critical societal challenges such as global warming and high energy demands requires innovative solutions, particularly in the context of industrial machinery and transportation systems, where energy efficiency can lead to significant environmental benefits. An effective lubricant technology could drastically decrease the energy wastage in engines and mechanical parts, potentially saving billions of liters of fuel annually and significantly reducing greenhouse gas emissions. Contributions to this Research Topic should focus on, but are not limited to, the following areas:

• Novel synthesis methods for graphene-based nanomaterials.
• Detailed analyses of the tribological roles and mechanisms of graphene.
• Applications of graphene nanomaterials in environmental technologies, including wastewater treatment and photocatalytic CO2 reduction.
• Advanced characterization techniques for studying graphene-based systems.
• Relevant interdisciplinary research that contributes to the broader understanding and application of graphene in tribological applications.

Through fostering a diverse array of research articles, reviews, and perspectives, this Research Topic aims to converge scientific inquiry and technological innovation to address some of the most pressing energy and environmental challenges of our time.

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Frontiers in Carbon

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