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| 001 | 1039807 | ||
| 005 | 20250414120443.0 | ||
| 024 | 7 | _ | |a 10.1021/acsami.4c21587 |2 doi |
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| 100 | 1 | _ | |a Le Pham, Phuong Nam |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Si/Graphite Anodes for Solid-State Batteries: Composition Selection via Electrochemical and Chemo-Mechanical Properties |
| 260 | _ | _ | |a Washington, DC |c 2025 |b Soc. |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 500 | _ | _ | |a financial support within the SilKompAs funded by Bundesministerium für Bildung und Forschung (BMBF project 03XP0486B)X-ray diffractometer was supported by the Deutsche Forschungsgemeinschaft (DFG) under project number 459785385 |
| 520 | _ | _ | |a Silicon–graphite composites are among the most widely used anode materials in conventional lithium-ion batteries and recently have been considered as promising candidates in lithium-ion solid-state batteries. In this work, we investigate the influence of the silicon content on the electrochemical and chemo-mechanical behaviors of different Si/graphite composites in solid-state batteries. All anode composites show that an increase of Si presence in the composite enhances the cyclability at a high current density. Using direct-current (DC) polarization and temperature-dependent electrochemical impedance spectroscopy, we observe that both electronic and ionic conductivities are sufficient across the composition series. Operando stress measurements demonstrate how the internal pressure of the anode in a solid-state battery changes as a function of the Si content. Less Si (e.g., ≤10 wt %) in the blended matrix offers smaller internal stress, while it is significantly increased at 20 wt % of Si. This study emphasizes the importance of optimizing the silicon/graphite ratio in the anode composites to balance high battery performance with stable chemo-mechanical properties |
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| 700 | 1 | _ | |a Kraft, Marvin |0 P:(DE-Juel1)192207 |b 1 |u fzj |
| 700 | 1 | _ | |a Zeier, Wolfgang |0 P:(DE-Juel1)184735 |b 2 |e Corresponding author |u fzj |
| 773 | _ | _ | |a 10.1021/acsami.4c21587 |g p. acsami.4c21587 |0 PERI:(DE-600)2467494-1 |n 8 |p 12261–12270 |t ACS applied materials & interfaces |v 17 |y 2025 |x 1944-8244 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/1039807/files/Revised%20Manuscript.pdf |y Published on 2025-02-14. Available in OpenAccess from 2026-02-14. |
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