{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["15(56)"],"submitter":["Lee MH"],"pubmed_abstract":["With the growing demand for high energy density and fast-charging/high-rate performance, understanding the thermodynamic and kinetic behavior of graphite/silicon composite anodes has become increasingly important. In this study, graphite/Si alloy composite electrodes containing 0-50 wt% silicon alloy were investigated using a three-electrode pouch cell combined with <i>in situ</i> dilation. Through this analysis, the changes in porosity after the formation cycles were determined, while the lithium-ion diffusion coefficient (<i>D</i> <sub>Li<sup>+</sup></sub> ) was calculated based on the Weppner-Huggins equation. In addition, the resistance components were quantitatively evaluated by pulse polarization and electrochemical impedance spectroscopy (EIS). This study elucidates the effect of po"],"journal":["RSC advances"],"pagination":["47790-47802"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12679607"],"repository":["biostudies-literature"],"pubmed_title":["The impact of volume expansion on thermodynamic and kinetic properties of graphite/Si alloy composite anodes."],"pmcid":["PMC12679607"],"pubmed_authors":["Mukhan O","Lee MH","Kim SS","Bakenov Z","Tatykayev B","Mpupuni CT"],"additional_accession":[]},"is_claimable":false,"name":"The impact of volume expansion on thermodynamic and kinetic properties of graphite/Si alloy composite anodes.","description":"With the growing demand for high energy density and fast-charging/high-rate performance, understanding the thermodynamic and kinetic behavior of graphite/silicon composite anodes has become increasingly important. In this study, graphite/Si alloy composite electrodes containing 0-50 wt% silicon alloy were investigated using a three-electrode pouch cell combined with <i>in situ</i> dilation. Through this analysis, the changes in porosity after the formation cycles were determined, while the lithium-ion diffusion coefficient (<i>D</i> <sub>Li<sup>+</sup></sub> ) was calculated based on the Weppner-Huggins equation. In addition, the resistance components were quantitatively evaluated by pulse polarization and electrochemical impedance spectroscopy (EIS). This study elucidates the effect of po","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Dec","modification":"2026-06-05T23:24:42.76Z","creation":"2026-05-23T03:13:08.448Z"},"accession":"S-EPMC12679607","cross_references":{"pubmed":["41357106"],"doi":["10.1039/d5ra07317k"]}}