Upscaling high-areal-capacity battery electrodes

Jung-Hui Kim, Nag-Young Kim, Zhengyu Ju, Young-Kuk Hong, Kyu-Dong Kang, Jung-Hyun Pang, Seok-Ju Lee, Seong-Seok Chae, Moon-Soo Park, Je-Young Kim (), Guihua Yu () and Sang-Young Lee ()
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Jung-Hui Kim: Yonsei University
Nag-Young Kim: Yonsei University
Zhengyu Ju: The University of Texas at Austin
Young-Kuk Hong: Yonsei University
Kyu-Dong Kang: Yonsei University
Jung-Hyun Pang: Yonsei University
Seok-Ju Lee: Yonsei University
Seong-Seok Chae: Yonsei University
Moon-Soo Park: LG Energy Solution Research
Je-Young Kim: LG Energy Solution Research
Guihua Yu: The University of Texas at Austin
Sang-Young Lee: Yonsei University

Nature Energy, 2025, vol. 10, issue 3, 295-307

Abstract: Abstract Moving battery technology from the laboratory to large-scale production is a necessary step in achieving cost competitiveness for high-energy-density batteries. So far, academic research has focused on the active material of the electrode and little attention has been paid to cell-level design, hindering the realization of this goal. Therefore, upscaling high-areal-capacity electrode sheets is proposed as a practical way forward. Here we evaluate the impact of high-areal-capacity electrodes on cell energy densities, energy consumption during electrode fabrication and the cost efficiency of cell production. By examining the integration of scalable roll-to-roll electrode-manufacturing techniques (such as slurry casting and dry coating) with the materials chemistry of the electrode components, electrode structure design and cell performance, we aim to outline the areas of development for high-areal-capacity electrodes and provide a structured pathway for bridging the gap between laboratory innovations and industrial scale-up.

Date: 2025
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DOI: 10.1038/s41560-025-01720-0

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