MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202621096320 A) filed by Dr. D. Y. Patil Institute Of Technology, Pimpri, Pune - on August 10, 2026, for Laboratory-Based Reliability And Thermal Stability Assessment Of Lithium-Ion Batteries.
Inventors include Prof. Kundlik B. Kshirsagar; Dr. Ramesh K. Kawade; Shivam Bhelke; Ravikiran Chendke; and Sagar Dhakane.
The application for the patent was published on September 25, 2026, under issue no. 39/2026.
Abstract: Lithium-ion battery testing in laboratories plays a vital role in evaluating the performance, safety, efficiency, durability, and reliability of batteries used in a wide range of applications, including electric vehicles (EVs), portable electronic devices, renewable energy storage systems, aerospace equipment, and industrial machinery. As the demand for high-performance energy storage solutions continues to increase, comprehensive laboratory testing has become essential to ensure that lithium-ion batteries meet the required technical standards and operational requirements. Another critical area of testing is thermal behavior evaluation, which assesses how the battery responds to temperature variations during operation. Excessive heat generation can negatively affect battery performance, reduce lifespan, and increase safety risks. Thermal testing involves monitoring temperature distribution, heat generation, and cooling effectiveness using sensors, thermal cameras, and advanced data acquisition systems. The results are used to develop efficient thermal management strategies that maintain battery temperatures within safe operating limits. Laboratories also perform internal resistance measurements to evaluate the electrical health and efficiency of batteries. Internal resistance directly affects power delivery, energy losses, and heat generation. Changes in resistance can indicate aging, degradation, or manufacturing defects within the battery cells. Additionally, cycle life testing is carried out by repeatedly charging and discharging batteries over thousands of cycles to determine their long-term durability and expected service life. Overall, laboratory testing provides valuable insights for battery manufacturers, researchers, and engineers. It supports the development of safer, more efficient, and longer-lasting lithium- ion batteries with higher energy density, faster charging capabilities, improved thermal management, and enhanced reliability, thereby meeting the growing demands of modern technological and industrial applications.
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