Bio-Inspired Leaf Vein Microchannel Cooling System for EV Batteries

Author(s)	Ms. Sandhiya S, Prof. Shamini J, Ms. Premalatha S, Ms. Nisha S, Ms. Nandhini V, Mr. Dhanush K
Country	India
Abstract	Thermal management is a critical challenge in electric vehicle (EV) battery systems. This paper presents a bio-inspired microchannel cooling system that mimics the hierarchical branching architecture of leaf veins to achieve efficient and uniform heat dissipation across lithium-ion battery packs. The proposed fractal-based microchannel network, governed by Murray's law, is designed to minimize flow resistance while maximizing the surface area for heat exchange. Computational fluid dynamics (CFD) simulations and experimental validation demonstrate that the leaf vein-inspired design outperforms conventional parallel and serpentine channel configurations in terms of temperature uniformity and pressure drop.
Keywords	Leaf Vein Microchannel, Bio-Inspired Cooling, EV Battery Thermal Management, Fractal Channel Network, Murray's Law, CFD Simulation, Lithium-Ion Battery
Field	Engineering
Published In	Volume 8, Issue 3, May-June 2026
Published On	2026-05-13

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