The future of lithium-ion batteries: Innovations, challenges, and prospects for a sustainable energy transition
Abstract
Lithium-ion (Li-ion) batteries have become indispensable in powering a wide range of technologies, from consumer electronics to electric vehicles (EVs) and renewable energy storage systems. As global demand for clean energy solutions grows, Li-ion batteries will continue to play a central role in enabling the transition to a sustainable, low-carbon future. This review article explores the key innovations, challenges, and future prospects of Li-ion battery technology. We examine recent advances in improving energy density, cost-efficiency, cycle life, and safety, including developments in solid-state batteries and novel anode/cathode materials. The review also addresses sustainability concerns surrounding the extraction and supply of critical raw materials, such as lithium, cobalt, and nickel, and highlights the growing importance of battery recycling, second-life applications, and alternative chemistries. While Li-ion batteries are poised to remain the dominant energy storage solution for the foreseeable future, challenges related to material scarcity, supply chain vulnerabilities, and environmental impact must be overcome. Ultimately, Li-ion batteries will be crucial for powering electric vehicles, supporting smart grids, and facilitating the widespread adoption of renewable energy. This article provides a comprehensive overview of the current state and emerging trends in Li-ion battery technology, offering insights into its evolving role in the global energy transition.
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