<scp>High‐Energy</scp> Lithium‐Ion Batteries: Recent Progress and a Promising Future in Applications

It is of great significance to develop clean and new energy sources with high‐efficient energy storage technologies, due to the excessive use of fossil energy that has caused severe environmental damage. There is great interest in exploring advanced rechargeable lithium batteries with desirable energy and power capabilities for applications in portable electronics, smart grids, and electric vehicles. In practice, high‐capacity and low‐cost electrode materials play an important role in sustaining the progresses in lithium‐ion batteries. This review aims at giving an account of recent advances on the emerging high‐capacity electrode materials and summarizing key barriers and corresponding strategies for the practical viability of these electrode materials. Effective approaches to enhance energy density of lithium‐ion batteries are to increase the capacity of electrode materials and the output operation voltage. On account of major bottlenecks of the power lithium‐ion battery, authors come up with the concept of integrated battery systems, which will be a promising future for high‐energy lithium‐ion batteries to improve energy density and alleviate anxiety of electric vehicles.

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