Multiphysics Modeling and Analysis for Dendrite Problems in Solid-State Lithium/Sodium Metal Batteries

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Conventional lithium-ion batteries face performance limitations, driving the need for advanced solutions like solid-state batteries.
• Solid-state batteries with lithium or sodium metal anodes offer higher energy density but suffer from dendrite formation.
• Dendrite growth leads to battery failure, necessitating a deeper understanding of its complex mechanisms.

Purpose of the Study:

• To compare dendrite morphology in liquid and solid-state metal batteries.
• To critically examine factors and models of dendrite formation from single-physics and multiphysics perspectives.
• To summarize strategies for mitigating dendrite growth through multiphysics field regulation.

Main Methods:

• Comparative analysis of dendrite morphology.
• Review of single-physics and integrated multiphysics models for dendrite prediction.
• Synthesis of multiphysics field regulation strategies for dendrite suppression.

Main Results:

• Dendrite formation is a critical challenge in solid-state metal batteries, impacting safety and performance.
• Existing research often adopts a limited single-physics approach, hindering comprehensive understanding.
• An integrated multiphysics framework is essential for accurately modeling dendrite evolution.

Conclusions:

• A foundational theoretical understanding for addressing dendrite formation in solid-state lithium and sodium metal batteries is established.
• Multiphysics modeling and field regulation offer promising avenues for mitigating dendrite growth.
• This review provides a comprehensive framework for advancing next-generation solid-state battery technology.