The Liquid Metal Age: A Transition From Hg to Ga

Area of Science:

• Materials Science
• Engineering
• Chemistry

Background:

• Liquid metals have a long history, evolving from early mercury uses to advanced modern applications.
• Their unique properties make them vital in numerous scientific and industrial sectors.

Purpose of the Study:

• To provide a comprehensive overview of liquid metals' historical evolution and contemporary applications.
• To analyze their integration in diverse fields, including electronics, energy, and biomedicine.
• To critically evaluate the challenges and future potential of liquid metal technologies.

Main Methods:

• Literature review synthesizing historical data and current research.
• Analysis of applications across electrical, mechanical, chemical, thermal, and biomedical domains.
• Critical appraisal of challenges such as recycling, corrosion, stability, and economic factors.

Main Results:

• Liquid metals are integral to innovations in electrical switches, electrodes, chemical synthesis, energy storage, thermal management, electronics, and biomedicine.
• Significant advancements have been achieved through the integration of liquid metals in various technologies.
• Key challenges include recycling, corrosion, device stability, economic viability, and market adoption.

Conclusions:

• Liquid metals possess transformative potential across multiple disciplines.
• Addressing current challenges is crucial for unlocking their full capabilities.
• This review provides insights for researchers, engineers, and policymakers to foster innovation and interdisciplinary collaboration in liquid metal applications.