Zhengxin Guan, Yongchang Jiang, Yukai Zhou, Zhengdao Chu, Wen Cheng, Yi Shi, Lijia Pan
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Liquid metal-based electrodes for flexible electronics
Flexible electronics is gaining prominence in modern technology, particularly in flexible displays, wearable electronics, and biomedical applications. Electrodes, as core components of flexible electronics, demand high conductivity, flexibility, and stretchability. However, traditional rigid conductive materials often generate interfacial slip with elastic substrates due to mismatched Young's modulus, adversely affecting device performance. Room-temperature liquid metals (LMs), with their high conductivity and stretchability, have emerged as ideal materials for stable and reliable flexible electronic devices. This review discusses the physical, chemical, and biocompatibility properties of LMs. Additionally, LM-based fabrication strategies including patterning and sintering for flexible electrodes are outlined. Applications in implantable medical devices, wearable electronics, and flexible energy storage are illustrated. Finally, the primary challenges and future research directions in LMs are identified.
期刊介绍：
Rare Metals is a monthly peer-reviewed journal published by the Nonferrous Metals Society of China. It serves as a platform for engineers and scientists to communicate and disseminate original research articles in the field of rare metals. The journal focuses on a wide range of topics including metallurgy, processing, and determination of rare metals. Additionally, it showcases the application of rare metals in advanced materials such as superconductors, semiconductors, composites, and ceramics.
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