Digital Twin Reveals the Impact of Carbon Binder Domain Distribution on Performance of Lithium‐Ion Battery Cathodes
The rising demand for high‐performance lithium‐ion batteries (LIBs) emphasizes the need for precise electrode design. The carbon binder domain (CBD) within electrodes, crucial for electron transport and structural integrity, can impede lithium‐ion transport and reduce electrochemically active sites....
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2025-04-01
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| Series: | Small Structures |
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| Online Access: | https://doi.org/10.1002/sstr.202400350 |
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| author | Seungsoo Jang Yejin Kang Hyeongseok Kim Joonam Park Kang Taek Lee |
| author_facet | Seungsoo Jang Yejin Kang Hyeongseok Kim Joonam Park Kang Taek Lee |
| author_sort | Seungsoo Jang |
| collection | DOAJ |
| description | The rising demand for high‐performance lithium‐ion batteries (LIBs) emphasizes the need for precise electrode design. The carbon binder domain (CBD) within electrodes, crucial for electron transport and structural integrity, can impede lithium‐ion transport and reduce electrochemically active sites. This study leverages digital twin technology to investigate the impact of CBD distribution along the electrode thickness on LIB cathode performance. Virtual LIB cathodes with varying CBD configurations are generated, and their performance using 3D heterogeneous electrochemical modeling is evaluated. The results reveal that a steep CBD gradient significantly diminishes charge capacity compared to a mild gradient, particularly at higher current rates. This reduction is attributed to an increased tortuosity factor and an uneven distribution of electrochemical activity, which adversely affect mass transport and electrochemical reaction dynamics. These effects are more pronounced at lower porosities and higher loading levels. These findings highlight that optimizing CBD distribution is critical for advancing electrode design and enhancing LIB cathode performance. |
| format | Article |
| id | doaj-art-e91994fa4b224788874da503915d773a |
| institution | OA Journals |
| issn | 2688-4062 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Small Structures |
| spelling | doaj-art-e91994fa4b224788874da503915d773a2025-08-20T02:11:34ZengWiley-VCHSmall Structures2688-40622025-04-0164n/an/a10.1002/sstr.202400350Digital Twin Reveals the Impact of Carbon Binder Domain Distribution on Performance of Lithium‐Ion Battery CathodesSeungsoo Jang0Yejin Kang1Hyeongseok Kim2Joonam Park3Kang Taek Lee4Department of Mechanical Engineering KAIST Daejeon 34141 Republic of KoreaDepartment of Mechanical Engineering KAIST Daejeon 34141 Republic of KoreaBMS R&D, CTO LG Energy Solution, Ltd. Gwacheon 13818 Republic of KoreaBMS R&D, CTO LG Energy Solution, Ltd. Gwacheon 13818 Republic of KoreaDepartment of Mechanical Engineering KAIST Daejeon 34141 Republic of KoreaThe rising demand for high‐performance lithium‐ion batteries (LIBs) emphasizes the need for precise electrode design. The carbon binder domain (CBD) within electrodes, crucial for electron transport and structural integrity, can impede lithium‐ion transport and reduce electrochemically active sites. This study leverages digital twin technology to investigate the impact of CBD distribution along the electrode thickness on LIB cathode performance. Virtual LIB cathodes with varying CBD configurations are generated, and their performance using 3D heterogeneous electrochemical modeling is evaluated. The results reveal that a steep CBD gradient significantly diminishes charge capacity compared to a mild gradient, particularly at higher current rates. This reduction is attributed to an increased tortuosity factor and an uneven distribution of electrochemical activity, which adversely affect mass transport and electrochemical reaction dynamics. These effects are more pronounced at lower porosities and higher loading levels. These findings highlight that optimizing CBD distribution is critical for advancing electrode design and enhancing LIB cathode performance.https://doi.org/10.1002/sstr.202400350carbon binder domainsdigital twinselectrochemical reactionslithium‐ion battery cathodesmass transports |
| spellingShingle | Seungsoo Jang Yejin Kang Hyeongseok Kim Joonam Park Kang Taek Lee Digital Twin Reveals the Impact of Carbon Binder Domain Distribution on Performance of Lithium‐Ion Battery Cathodes Small Structures carbon binder domains digital twins electrochemical reactions lithium‐ion battery cathodes mass transports |
| title | Digital Twin Reveals the Impact of Carbon Binder Domain Distribution on Performance of Lithium‐Ion Battery Cathodes |
| title_full | Digital Twin Reveals the Impact of Carbon Binder Domain Distribution on Performance of Lithium‐Ion Battery Cathodes |
| title_fullStr | Digital Twin Reveals the Impact of Carbon Binder Domain Distribution on Performance of Lithium‐Ion Battery Cathodes |
| title_full_unstemmed | Digital Twin Reveals the Impact of Carbon Binder Domain Distribution on Performance of Lithium‐Ion Battery Cathodes |
| title_short | Digital Twin Reveals the Impact of Carbon Binder Domain Distribution on Performance of Lithium‐Ion Battery Cathodes |
| title_sort | digital twin reveals the impact of carbon binder domain distribution on performance of lithium ion battery cathodes |
| topic | carbon binder domains digital twins electrochemical reactions lithium‐ion battery cathodes mass transports |
| url | https://doi.org/10.1002/sstr.202400350 |
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