Related Experiment Video
Updated: Jun 16, 2026
10:15
Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
Published on: November 7, 2025
489
Ultra-High Zinc Utilization Enabled by MXene Anode for Flexible Dual-Plating Zn-Br2 Microbatteries
Bin Wang1, Guoliang Ma1, Le Yu2
1College of Materials Science and Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, P. R. China.
The Journal of Physical Chemistry Letters
|September 10, 2025
Summary
Researchers developed a novel zinc-ion microbattery using a zinc-free MXene anode. This innovation enhances energy density and cycle life for safer, more efficient wearable electronics.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Aqueous zinc-ion microbatteries offer safety and cost benefits for wearables.
- Key challenges include low energy density and short cycle life.
Purpose of the Study:
- To develop a flexible, high-performance zinc-ion microbattery for wearable devices.
- To address limitations of traditional zinc anodes by introducing a zinc-free alternative.
Main Methods:
- Fabrication of a dual-plating flexible Zn-Br2 microbattery.
- Utilized freestanding MXene films as a zinc metal-free anode.
- Investigated Zn2+ deposition/stripping reactions on the MXene substrate.
Main Results:
- The MXene anode demonstrated ultrahigh zinc utilization efficiency and reduced mass.
- Achieved excellent cycling stability (970 h for anode, 6000 cycles for battery).
- The assembled microbatteries exhibited flexibility and high energy density.
Conclusions:
- The zinc-free MXene anode effectively overcomes limitations of traditional zinc anodes.
- The developed Zn-Br2 microbattery shows significant potential for advanced wearable energy storage.
- MXene's properties, including in situ ZnF2 layer formation, contribute to superior performance.
