Proceedings of the 6th International Symposium on Plasma and Energy Conversion

This proceedings book contains selected and expanded contributions presented at the 6th International Symposium on Plasma and Energy Conversion (iSPEC 2025), held in Hong Kong SAR, China, on December 3–6, 2025.As the world continues to grapple with the pressing challenges of climate change and sustainable energy, iSPEC2025 aims to serve as a global platform for exploring cutting-edge advancements and innovative solutions in plasma and energy conversion. This symposium addresses the critical role of these technologies in achieving international carbon reduction goals and fostering a sustainable future.iSPEC2025 gathers leading scientists, researchers, and industry experts from around the globe to share their latest research findings, technological breakthroughs, and visionary ideas. Fields covered in this symposium include:• Renewable energy-driven plasma systems.•