Zn-Based Alloys for High-Performance and Long-Cyclability Aqueous Batteries

Technology #11656

Key Points

  • A universal strategy for designing 3D Zn-Mn alloy anodes that can be used under extremely harsh electrochemical conditions (such as using a seawater-based electrolyte and high current density)
  • Enables the development of a robust and fast-charging battery with a longer lifespan

Abstract

The University of Central Florida invention is a universal strategy for designing a high-performance, safe, alloy anode for aqueous (water) batteries. Metal anode instability, including dendrite growth, metal corrosion, and hetero-ions interference, occurring at the electrolyte/electrode interface of aqueous batteries, are among the most critical issues hindering their widespread use in energy storage. Zn-M alloys are used as model systems (M = Mn + other transition metals). Experiments have achieved stability over thousands of cycles even under harsh electrochemical conditions, including testing in seawater-based aqueous electrolytes and using a high current density of 80 mA 1/cm2.

Benefit

  • High performance aqueous batteries
  • Stable in harsh electrochemical environments
  • Overcomes dendrite growth

Market Application

  • Electric vehicles (EVs)
  • Personal electronics