Rational Design of Flexible Zn-Based Batteries for Wearable Electronic Devices

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• The proliferation of 5G and the Internet of Things (IoT) drives demand for wearable electronics.
• Flexible energy storage is a critical bottleneck for wearable device development.
• Conventional battery structures face significant challenges in flexible transformation.

Purpose of the Study:

• To comprehensively review progress in flexible zinc-based batteries (Zn-ion and Zn-air).
• To summarize and compare design strategies for electrolytes, cathodes, and anodes.
• To identify challenges and propose future research directions for commercialization.

Main Methods:

• Literature review of recent advancements in flexible Zn-based batteries.
• Analysis of synthesis, characterization, and performance validation methods.
• Comparative assessment of different design strategies and their pros/cons.

Main Results:

• Elaborate designs have improved ionic conductivity, mechanical properties, and adaptability.
• Researchers have focused on optimizing electrolytes, cathodes, and anodes for flexibility.
• Key challenges in scalable production and performance validation have been addressed.

Conclusions:

• Flexible Zn-based batteries are promising for wearable electronics due to safety, cost, and eco-efficiency.
• Further research is needed to refine designs and overcome remaining challenges for widespread adoption.
• A summarized research paradigm is proposed to guide iterative development towards commercialization.