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NSYSU collaborative research on advanced energy storage technology published in prestigious international journal

2025-01-21

Professor Da-Ren Hang from the Department of Materials and Optoelectronic Science at National Sun Yat-sen University (NSYSU) has led a cross-institutional study on molybdenum carbide (Mo2C) MXene-based flexible materials for electrochemical energy storage. The study, which integrates over a decade of key research, explores the unique properties of these innovative materials, such as exceptional electrochemical performance, lightweight nature, and flexibility. These characteristics position Mo2C MXenes as transformative materials for a range of advanced technologies, including smart wearables, consumer electronics, and aerospace applications. The research has been published in the prestigious journal "Progress in Materials Science", a leading publication in the field of materials science.

 

The research team meticulously reviewed over 200 relevant studies to produce their paper, titled "Recent advances and future prospects of low-dimensional Mo2C MXene-based electrode for flexible electrochemical energy storage devices." This comprehensive review explores the cutting-edge applications and future potential of Mo2C MXenes while offering timely and critical guidance for the design and development of advanced energy storage technologies and innovative materials.

 

Da-Ren Hang emphasized, "Two-dimensional (2D) MXene materials exhibit exceptional conductivity, high surface area, tunable surface chemistry, fast ion diffusion, and robust structural stability, making them highly promising candidates for next-generation electrochemical energy storage applications." Among them, molybdenum carbide (Mo2C) MXene material stands out for its unique combination of flexibility, strength, and conductivity, making it ideal for wearable energy storage devices, including smart wearables that monitor health parameters and flexible components for consumer electronics. MXene materials are also well-suited for challenging environments, such as extreme temperatures and high-stress conditions, enabling potential applications in aerospace, defense, and space exploration. These materials could set new standards for design and functionality across various industries.

 

Da-Ren Hang further highlighted examples from the literature showing that Mo2C MXene-based devices exhibit stable performance and extended cycle life across a wide temperature range, from 5°C to 55°C, making them suitable for a variety of environmental conditions. In addition, the paper-thin and flexible nature of Mo2C MXene nanomaterials makes them promising candidates for sensor applications, adding to their versatility. The paper also sheds light on the role of Mo2C MXene composites in energy storage. Combining MXenes with conductive polymers or other nanomaterials allows researchers to optimize energy storage capacity, mechanical properties, and cycle stability. Through meticulous data analysis, the research identifies optimal synthesis parameters for Mo2C MXene composites, offering a roadmap for tailoring these materials to specific energy storage applications.

 

"The research team has provided critical insights into synthesis optimization for MXene composites," Hang stated. "These findings serve as an important resource for researchers aiming to enhance the design of flexible energy storage devices. Moving forward, our goal is to refine synthesis techniques and integrate sustainable practices to meet the growing industrial and commercial demands of next-generation wearable electronics." Hang also expressed optimism that MXene materials, composed of abundant and readily available elements, could eventually become cost-effective alternatives to existing energy storage materials, paving the way for widespread commercialization and sustainable energy solutions.

 

The interdisciplinary research team includes NSYSU doctoral student Dineshkumar Ponnalagar, Professor Chi-Te Liang from the Department of Physics at National Taiwan University, and Professor Mitch Ming-Chi Chou from the Academy of Innovative Semiconductor and Sustainable Manufacturing at National Cheng Kung University. 

 

Journal link: https://www.sciencedirect.com/science/article/pii/S007964252400077X

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