This invention relates to a method for achieving uniform temperature distribution within a battery module, particularly for 18650 Li-ion batteries in electric vehicles (EVs). The technology aims to keep the battery temperature within a crucial range (20-40⁰C) with minimal variation (maximum 5⁰C) during operation to prevent degradation and thermal runaway. It features a novel cooling system that adjusts the coolant flow rate and contact area using an aluminum block, ensuring efficient heat dissipation throughout the battery module.
Type of IP
Faculty
Category of Patent
Department
Improving the thermal management of Li-ion batteries enhances the safety, reliability, and longevity of electric vehicles and other battery-powered devices, supporting the adoption of sustainable energy and cleaner transportation.
- Achieves uniform temperature distribution within the battery module, reducing the risk of thermal runaway
- Mathematical relationships for iterative design adjustments ensure precise control over heat transfer, optimizing cooling performance
- Flexible application to various battery sizes and shapes, adaptable to different cooling materials and fluids
- Utilizes an aluminum block with variable contact area to ensure consistent heat transfer
- Enhanced cooling effectiveness through both straight and serpentine coolant channels
3
The technology is in the advanced development stage, with proven concepts and mathematical models demonstrating its effectiveness in maintaining uniform battery temperatures.
Automotive industry, Renewable energy sector, Battery manufacturing
Electric vehicles (EVs), Energy storage systems, Portable electronic devices, Industrial battery packs