A thermally robust and flexible PDMS monolithic microfluidic device for integrated thermal management and safety of lithium-ion batteries

Key Points

• To develop a microfluidic device that enhances thermal management and safety in lithium-ion batteries.
• Developed a multifunctional microfluidic thermal management unit with integrated piezoelectric micropump and micromixer.
• Conducted structural optimization and fluid simulations for pump efficiency.
• Performed experimental validation through flame and nail penetration tests.
• Demonstrated effective fluid delivery and mixing capabilities.
• Showed significant thermal suppression during safety tests.
• Validated device performance under simulated extreme conditions.