Degradation Diagnostics for Commercial Lithium-Ion Cells Tested at −10◦C
Degradation of lithium ion (Li-ion) cells affects both performance and safety of Li-ion batteries. In order to avoid potential safety hazards, it is crucial to detect the onset and extent of critical degradation modes in commercial Li-ion cells. This work demonstrates the application of a diagnostic...
| Main Authors: | , , , , , , |
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| Format: | Journal article |
| Published: |
Electrochemical Society
2017
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| _version_ | 1797088134111952896 |
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| author | Birkl, C McTurk, E Zekoll, S Richter, F Roberts, M Bruce, P Howey, D |
| author_facet | Birkl, C McTurk, E Zekoll, S Richter, F Roberts, M Bruce, P Howey, D |
| author_sort | Birkl, C |
| collection | OXFORD |
| description | Degradation of lithium ion (Li-ion) cells affects both performance and safety of Li-ion batteries. In order to avoid potential safety hazards, it is crucial to detect the onset and extent of critical degradation modes in commercial Li-ion cells. This work demonstrates the application of a diagnostic algorithm to identify and quantify degradation modes of commercial Li-ion pouch cells cycled at − 10°C and a C-rate of 2 C. Rapid loss of active negative electrode material was successfully identified and results were validated using 3-electrode cells, scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX). The positive electrode material was less strongly affected by the tests, as found by the diagnostic algorithm and confirmed with EDX and SEM results. |
| first_indexed | 2024-03-07T02:45:35Z |
| format | Journal article |
| id | oxford-uuid:abf46a4e-e80d-4aa8-9678-8cb1b8e5f532 |
| institution | University of Oxford |
| last_indexed | 2024-03-07T02:45:35Z |
| publishDate | 2017 |
| publisher | Electrochemical Society |
| record_format | dspace |
| spelling | oxford-uuid:abf46a4e-e80d-4aa8-9678-8cb1b8e5f5322022-03-27T03:25:27ZDegradation Diagnostics for Commercial Lithium-Ion Cells Tested at −10◦CJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:abf46a4e-e80d-4aa8-9678-8cb1b8e5f532Symplectic Elements at OxfordElectrochemical Society2017Birkl, CMcTurk, EZekoll, SRichter, FRoberts, MBruce, PHowey, DDegradation of lithium ion (Li-ion) cells affects both performance and safety of Li-ion batteries. In order to avoid potential safety hazards, it is crucial to detect the onset and extent of critical degradation modes in commercial Li-ion cells. This work demonstrates the application of a diagnostic algorithm to identify and quantify degradation modes of commercial Li-ion pouch cells cycled at − 10°C and a C-rate of 2 C. Rapid loss of active negative electrode material was successfully identified and results were validated using 3-electrode cells, scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX). The positive electrode material was less strongly affected by the tests, as found by the diagnostic algorithm and confirmed with EDX and SEM results. |
| spellingShingle | Birkl, C McTurk, E Zekoll, S Richter, F Roberts, M Bruce, P Howey, D Degradation Diagnostics for Commercial Lithium-Ion Cells Tested at −10◦C |
| title | Degradation Diagnostics for Commercial Lithium-Ion Cells Tested at −10◦C |
| title_full | Degradation Diagnostics for Commercial Lithium-Ion Cells Tested at −10◦C |
| title_fullStr | Degradation Diagnostics for Commercial Lithium-Ion Cells Tested at −10◦C |
| title_full_unstemmed | Degradation Diagnostics for Commercial Lithium-Ion Cells Tested at −10◦C |
| title_short | Degradation Diagnostics for Commercial Lithium-Ion Cells Tested at −10◦C |
| title_sort | degradation diagnostics for commercial lithium ion cells tested at 10◦c |
| work_keys_str_mv | AT birklc degradationdiagnosticsforcommerciallithiumioncellstestedat10c AT mcturke degradationdiagnosticsforcommerciallithiumioncellstestedat10c AT zekolls degradationdiagnosticsforcommerciallithiumioncellstestedat10c AT richterf degradationdiagnosticsforcommerciallithiumioncellstestedat10c AT robertsm degradationdiagnosticsforcommerciallithiumioncellstestedat10c AT brucep degradationdiagnosticsforcommerciallithiumioncellstestedat10c AT howeyd degradationdiagnosticsforcommerciallithiumioncellstestedat10c |