We invite original research contributions that explore the role of advanced materials in enhancing energy harvesting and conversion within mechanical systems. This interdisciplinary topic bridges key areas of Materials Science, Energy Engineering, and Mechanical Design, with a focus on enabling technologies for sustainable and efficient energy utilization.

Scope of the Special Topic:

1. Advanced Materials for Energy Applications

Innovative materials are at the heart of modern energy solutions. We seek research on the development, characterization, and integration of materials engineered for high efficiency in energy capture and conversion. This includes, but is not limited to:

- Piezoelectric, thermoelectric, and pyroelectric materials for mechanical energy harvesting

- Magnetostrictive and triboelectric materials for self-powered systems

- Nanostructured and multifunctional materials that enhance energy conversion rates

- Smart and adaptive materials that respond to mechanical, thermal, or environmental stimuli

- Composite materials designed for structural energy harvesting applications

- Material degradation, durability, and fatigue under energy cycling conditions

2. Energy Harvesting Mechanisms in Mechanical Systems

We encourage submissions focused on experimental and computational studies of energy harvesting techniques integrated within mechanical systems, such as:

- Structural integration of energy harvesting components (e.g., in automotive, aerospace, or biomedical devices)

- Design and optimization of mechanical systems for maximum energy capture

- Modeling and simulation of material behavior under dynamic loading using tools like FEM or multiphysics platforms

- Mechanical-to-electrical energy conversion pathways using novel material systems

3. Conversion and Storage Technologies

The efficient conversion and storage of harvested energy is critical. Topics of interest include:

- Coupling of materials with energy storage devices (e.g., microbatteries, supercapacitors)

- Thermodynamic and mechanical efficiency analysis of energy conversion systems

- Hybrid systems combining mechanical harvesting with solar, thermal, or electrochemical energy

- Integration of energy harvesting materials into IoT and self-sustaining devices

This Collection aims to address global energy challenges through material innovation, supporting the transition to sustainable technologies and systems with enhanced energy autonomy. Researchers from academia, industry, and national labs are encouraged to submit cutting-edge work that demonstrates experimental validation, novel design approaches, or breakthrough material systems.

This Collection supports and amplifies research related to SDG 7, and SDG 9.

Keywords: Energy Harvesting Materials, Mechanical-to-Electrical Energy Conversion, Piezoelectric and Thermoelectric Materials, Smart and Functional Materials, Multifunctional Composites, Energy Storage Integration, Sustainable Mechanical Systems

In today's dynamic global landscape, Mechanical Engineering emerges as a pivotal force in addressing the challenges outlined by the United Nations Sustainable Development Goals (SDGs). Of particular significance is Goal 9, which calls for the 'Building of resilient infrastructure, promotion of inclusive and sustainable industrialization, and fostering of innovation.' In response to this clarion call, we propose a captivating and impactful theme: 'Sustainable Advancements in Mechanical Engineering.' This theme serves as a beacon, guiding research and innovation towards holistic sustainability.

Our initiative is a comprehensive collection that transcends the boundaries of traditional research. It encompasses diverse research articles, brief yet impactful communications, thorough reviews, and enlightening case studies. These contributions will showcase innovative approaches and underscore the methodologies and cutting-edge technologies within the realm of Mechanical Engineering that are aligned with sustainability principles.

At its core, this collection offers a dynamic platform for researchers, engineers, and visionaries to share their pioneering work, exchange profound insights, and cultivate collaboration across multifaceted disciplines. It recognizes that sustainable advancement is not a solitary journey but a collective endeavour that necessitates the convergence of diverse expertise.

'Sustainable Advancements in Mechanical Engineering' aspires to inspire transformative change by nurturing the synergy between innovation and sustainability. By engaging with this initiative, we embrace the potential to usher in a future where progress and sustainability coexist. This theme represents a unique opportunity for stakeholders to shape the future of Mechanical Engineering by advancing the SDGs. It is a call to action, a commitment to sustainability, and an embodiment of the ethos that defines modern Mechanical Engineering.

Together, let us embark on this journey of exploration, innovation, and collaboration in the pursuit of a more sustainable and inclusive world.

Keywords: Sustainable Engineering; Renewable Energy Systems; Eco-friendly Materials; Energy-efficient Manufacturing; Sustainable Infrastructure