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Recent Advances in Nanostructured Conversion-Type Cathodes: Fluorides and Sulfides
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en
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33
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Nanomaterials, Volume 15, issue 6
Abstract
This review paper explores the emerging field of conversion cathode materials, which hold significant promises for advancing the performance of lithium-ion (LIBs) and lithium–sulfur batteries (LSBs). Traditional cathode materials of LIBs, such as lithium cobalt oxide, have reached their limits in terms of energy density and capacity, driving the search for alternatives that can meet the increasing demands of modern technology, including electric vehicles and renewable energy systems. Conversion cathodes operate through a mechanism involving complete redox reactions, transforming into different phases, which enables the storage of more lithium ions and results in higher theoretical capacities compared to conventional intercalation materials. This study examines various conversion materials, including metal oxides, sulfides, and fluorides, highlighting their potential to significantly enhance energy density. Despite their advantages, conversion cathodes face numerous challenges, such as poor conductivity, significant volume changes during cycling, and issues with reversibility and stability. This review discusses current nanoengineering strategies employed to address these challenges, including nano structuring, composite formulation, and electrolyte optimization. By assessing recent research and developments in conversion cathode technology, this paper aims to provide a comprehensive overview of their potential to revolutionize lithium-ion batteries and contribute to the future of energy storage solutions.
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Publisher Copyright: © 2025 by the authors.
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Islam, M, Ahmed, M S, Yun, S, Ali, B, Kim, H-Y & Nam, K-W 2025, 'Recent Advances in Nanostructured Conversion-Type Cathodes: Fluorides and Sulfides', Nanomaterials, vol. 15, no. 6, 420. https://doi.org/10.3390/nano15060420