Building high-energy silicon-containing batteries using off-the-shelf materials
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arXiv
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2025
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| author | Rodrigues, Marco-Tulio F. Trask, Stephen E. Dunlop, Alison R. Lan, Yi-Chen Kubal, Joseph Salpekar, Devashish Prado, Andressa Y. R. Wang, Evelyna McDaniel, Charles Woods, Eliot F. Robertson, Lily A. Tancin, Ryan J. Schulze, Maxwell C. Folastre, Nicolas Key, Baris Zhang, Zhengcheng Lu, Wenquan Abraham, Daniel P. Jansen, Andrew N. |
| author_facet | Rodrigues, Marco-Tulio F. Trask, Stephen E. Dunlop, Alison R. Lan, Yi-Chen Kubal, Joseph Salpekar, Devashish Prado, Andressa Y. R. Wang, Evelyna McDaniel, Charles Woods, Eliot F. Robertson, Lily A. Tancin, Ryan J. Schulze, Maxwell C. Folastre, Nicolas Key, Baris Zhang, Zhengcheng Lu, Wenquan Abraham, Daniel P. Jansen, Andrew N. |
| contents | The technology of silicon anodes appears to be reaching maturity, with high-energy Si cells already in pilot-scale production. However, the performance of these systems can be difficult to replicate in academic settings, making it challenging to translate research findings into solutions that can be implemented by the battery industry. Part of this difficulty arises from the lack of access to engineered Si particles and anodes, as electrode formulations and the materials themselves have become valuable intellectual property for emerging companies. Here, we summarize the efforts by Argonne's Cell Analysis, Modeling, and Prototyping (CAMP) Facility in developing Si-based prototypes made entirely from commercially available materials. We describe the many challenges we encountered when testing high-loading electrodes (> 5 mAh/cm2) and discuss strategies to mitigate them. With the right electrode and electrolyte design, we show that our pouch cells containing > 70 wt% SiOx can achieve 600-1,000 cycles at C/3 and meet projected energy targets of 700 Wh/L and 350 Wh/kg. These results provide a practical reference for research teams seeking to advance silicon-anode development using accessible materials. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_15144 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Building high-energy silicon-containing batteries using off-the-shelf materials Rodrigues, Marco-Tulio F. Trask, Stephen E. Dunlop, Alison R. Lan, Yi-Chen Kubal, Joseph Salpekar, Devashish Prado, Andressa Y. R. Wang, Evelyna McDaniel, Charles Woods, Eliot F. Robertson, Lily A. Tancin, Ryan J. Schulze, Maxwell C. Folastre, Nicolas Key, Baris Zhang, Zhengcheng Lu, Wenquan Abraham, Daniel P. Jansen, Andrew N. Materials Science Chemical Physics The technology of silicon anodes appears to be reaching maturity, with high-energy Si cells already in pilot-scale production. However, the performance of these systems can be difficult to replicate in academic settings, making it challenging to translate research findings into solutions that can be implemented by the battery industry. Part of this difficulty arises from the lack of access to engineered Si particles and anodes, as electrode formulations and the materials themselves have become valuable intellectual property for emerging companies. Here, we summarize the efforts by Argonne's Cell Analysis, Modeling, and Prototyping (CAMP) Facility in developing Si-based prototypes made entirely from commercially available materials. We describe the many challenges we encountered when testing high-loading electrodes (> 5 mAh/cm2) and discuss strategies to mitigate them. With the right electrode and electrolyte design, we show that our pouch cells containing > 70 wt% SiOx can achieve 600-1,000 cycles at C/3 and meet projected energy targets of 700 Wh/L and 350 Wh/kg. These results provide a practical reference for research teams seeking to advance silicon-anode development using accessible materials. |
| title | Building high-energy silicon-containing batteries using off-the-shelf materials |
| topic | Materials Science Chemical Physics |
| url | https://arxiv.org/abs/2509.15144 |