What is it about?

In this study, researchers explored the impact of aging on lithium-ion (Li-Ion) batteries used in electric vehicles (EVs). With the 2035 European Union ban on internal combustion engines approaching, the transportation industry is moving towards alternative technologies like EVs. The focus was on two different types of cathode chemistries, Lithium Ferrum Phosphate and Nickel Manganese Cobalt, and how they performed over time. The study revealed that the choice of cathode chemistry significantly influences battery performance and aging. Comparisons between the two chemistries indicated that Nickel Manganese Cobalt batteries tend to have a longer lifespan and provide a greater driving range compared to Lithium Ferrum Phosphate batteries. To better understand the aging process, the researchers developed a sophisticated model that considered various factors, including battery design, chemistry, and external conditions. The findings suggested that aging is influenced by phenomena like solid electrolyte interface (SEI) growth and thermal effects. In simpler terms, the research provides valuable insights into how EV batteries age and how different battery designs can impact the overall efficiency and driving range of electric vehicles. Understanding these factors is crucial for the development of more sustainable and efficient EV technologies in the future.

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Why is it important?

Our research pioneers a comprehensive understanding of how different cathode chemistries impact the aging process in lithium-ion batteries for electric vehicles (EVs). By comparing specific cathode materials – Lithium Ferrum Phosphate and Nickel Manganese Cobalt – we unveil critical insights into battery performance and longevity. Notably, our study goes beyond theoretical considerations to develop a sophisticated physics-based model that accurately simulates the aging effects under various conditions. This work is timely as the automotive industry shifts towards EVs, providing crucial knowledge for designing batteries with extended lifespans and enhanced driving ranges. The findings bridge a critical knowledge gap, making our research essential for engineers, scientists, and policymakers steering the future of sustainable transportation.


Reflecting on this research, contributing to the study on lithium-ion battery aging has been an enlightening experience. Collaborating with fellow researchers and delving into the intricate details of battery chemistries and their impact on electric vehicle efficiency has been both challenging and rewarding. The development of a physics-based model to simulate aging phenomena added a layer of complexity to the research, but it's a step forward in our understanding of how these batteries perform over time. Personally, what excites me most is the potential real-world impact of our findings. As the automotive industry undergoes a significant shift toward electric vehicles, our work provides practical insights for engineers and policymakers. The ability to predict and mitigate battery aging could influence the design of more robust and durable electric vehicle batteries, ultimately contributing to the widespread adoption of sustainable transportation. Furthermore, the engagement from rare disease groups and the broader community in response to the research demonstrates its relevance beyond the academic realm. It's heartening to see that our work has sparked interest and discussion in areas that directly impact people's lives. In essence, this research journey has not only deepened my understanding of battery technologies but also highlighted the broader implications of our work in shaping the future of sustainable and efficient transportation.

Dr Javier Monsalve-Serrano
Universitat Politecnica de Valencia

Read the Original

This page is a summary of: Energy assessment of the ageing phenomenon in Li-Ion batteries and its impact on the vehicle range efficiency, Energy Conversion and Management, January 2023, Elsevier,
DOI: 10.1016/j.enconman.2022.116530.
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