Influence of State‐of‐Charge‐Dependent Decomposition Kinetics at the Li6PS5Cl|LiNi0.83Co0.11Mn0.06O2 Interface on Solid‐State Battery Performance
Solid‐state batteries represent a new approach to energy storage, offering superior safety, higher energy density, and extended cycle life compared to conventional liquid electrolyte‐based lithium‐ion batteries. However, the practical application of solid‐state batteries is hindered by degradation p...
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2025-08-01
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| Series: | ChemElectroChem |
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| Online Access: | https://doi.org/10.1002/celc.202500237 |
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| author | Melina Witt Martin A. Lange Wolfgang G. Zeier |
| author_facet | Melina Witt Martin A. Lange Wolfgang G. Zeier |
| author_sort | Melina Witt |
| collection | DOAJ |
| description | Solid‐state batteries represent a new approach to energy storage, offering superior safety, higher energy density, and extended cycle life compared to conventional liquid electrolyte‐based lithium‐ion batteries. However, the practical application of solid‐state batteries is hindered by degradation phenomena, particularly on interfaces between components, compromising their long‐term performance. In this work, the kinetics of the state‐of‐charge‐dependent electrolyte degradation at the LiNi0.83Co0.11Mn0.06O2│Li6PS5Cl interface, as well as its influence on cycling performance, are systematically studied electrochemically in solid‐state battery half cells. Combining cycling and C‐rate experiments with electrochemical impedance spectroscopy reveals that half cells charged to higher cutoff potentials (≥3.8 V versus In/InLi; ≥4.4 V versus Li+/Li) exhibit significantly faster degradation kinetics. These influence the cycling performance leading to a plateau in the charge capacity at ≥3.8 V versus In/InLi, while the electrolyte degradation does not affect the bulk electrode transport. Overall, this work emphasizes the importance to investigate state‐of‐charge‐dependent decomposition kinetics in composite electrodes to better understand cycling behavior. |
| format | Article |
| id | doaj-art-032f938e3f494bb6b8b970f0f05fcd8f |
| institution | Kabale University |
| issn | 2196-0216 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | ChemElectroChem |
| spelling | doaj-art-032f938e3f494bb6b8b970f0f05fcd8f2025-08-21T07:07:36ZengWiley-VCHChemElectroChem2196-02162025-08-011216n/an/a10.1002/celc.202500237Influence of State‐of‐Charge‐Dependent Decomposition Kinetics at the Li6PS5Cl|LiNi0.83Co0.11Mn0.06O2 Interface on Solid‐State Battery PerformanceMelina Witt0Martin A. Lange1Wolfgang G. Zeier2Institute of Inorganic and Analytical Chemistry University of Münster Corrensstrasse 28/30 48149 Münster GermanyInstitute of Inorganic and Analytical Chemistry University of Münster Corrensstrasse 28/30 48149 Münster GermanyInstitute of Inorganic and Analytical Chemistry University of Münster Corrensstrasse 28/30 48149 Münster GermanySolid‐state batteries represent a new approach to energy storage, offering superior safety, higher energy density, and extended cycle life compared to conventional liquid electrolyte‐based lithium‐ion batteries. However, the practical application of solid‐state batteries is hindered by degradation phenomena, particularly on interfaces between components, compromising their long‐term performance. In this work, the kinetics of the state‐of‐charge‐dependent electrolyte degradation at the LiNi0.83Co0.11Mn0.06O2│Li6PS5Cl interface, as well as its influence on cycling performance, are systematically studied electrochemically in solid‐state battery half cells. Combining cycling and C‐rate experiments with electrochemical impedance spectroscopy reveals that half cells charged to higher cutoff potentials (≥3.8 V versus In/InLi; ≥4.4 V versus Li+/Li) exhibit significantly faster degradation kinetics. These influence the cycling performance leading to a plateau in the charge capacity at ≥3.8 V versus In/InLi, while the electrolyte degradation does not affect the bulk electrode transport. Overall, this work emphasizes the importance to investigate state‐of‐charge‐dependent decomposition kinetics in composite electrodes to better understand cycling behavior.https://doi.org/10.1002/celc.202500237cathode electrolyte interphaseimpedanceNCMsolid‐state batteriessulfide solid electrolytes |
| spellingShingle | Melina Witt Martin A. Lange Wolfgang G. Zeier Influence of State‐of‐Charge‐Dependent Decomposition Kinetics at the Li6PS5Cl|LiNi0.83Co0.11Mn0.06O2 Interface on Solid‐State Battery Performance ChemElectroChem cathode electrolyte interphase impedance NCM solid‐state batteries sulfide solid electrolytes |
| title | Influence of State‐of‐Charge‐Dependent Decomposition Kinetics at the Li6PS5Cl|LiNi0.83Co0.11Mn0.06O2 Interface on Solid‐State Battery Performance |
| title_full | Influence of State‐of‐Charge‐Dependent Decomposition Kinetics at the Li6PS5Cl|LiNi0.83Co0.11Mn0.06O2 Interface on Solid‐State Battery Performance |
| title_fullStr | Influence of State‐of‐Charge‐Dependent Decomposition Kinetics at the Li6PS5Cl|LiNi0.83Co0.11Mn0.06O2 Interface on Solid‐State Battery Performance |
| title_full_unstemmed | Influence of State‐of‐Charge‐Dependent Decomposition Kinetics at the Li6PS5Cl|LiNi0.83Co0.11Mn0.06O2 Interface on Solid‐State Battery Performance |
| title_short | Influence of State‐of‐Charge‐Dependent Decomposition Kinetics at the Li6PS5Cl|LiNi0.83Co0.11Mn0.06O2 Interface on Solid‐State Battery Performance |
| title_sort | influence of state of charge dependent decomposition kinetics at the li6ps5cl lini0 83co0 11mn0 06o2 interface on solid state battery performance |
| topic | cathode electrolyte interphase impedance NCM solid‐state batteries sulfide solid electrolytes |
| url | https://doi.org/10.1002/celc.202500237 |
| work_keys_str_mv | AT melinawitt influenceofstateofchargedependentdecompositionkineticsattheli6ps5cllini083co011mn006o2interfaceonsolidstatebatteryperformance AT martinalange influenceofstateofchargedependentdecompositionkineticsattheli6ps5cllini083co011mn006o2interfaceonsolidstatebatteryperformance AT wolfganggzeier influenceofstateofchargedependentdecompositionkineticsattheli6ps5cllini083co011mn006o2interfaceonsolidstatebatteryperformance |