The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Mechanism of the entire overdischarge process and overdischarge-induced internal short circuit in lithium-ion batteries
Open accessAbstract
Lithium-ion batteries connected in series are prone to be overdischarged. Overdischarge results in various side effects, such as capacity degradation and internal short circuit (ISCr). However, most of previous research on the overdischarge of a cell was terminated when the cell voltage dropped to 0 V, leaving the further impacts of overdischarge unclear. This paper investigates the entire overdischarge process of large-format lithium-ion batteries by discharging the cell to −100% state of charge (SOC). A significant voltage platform is observed at approximately −12% SOC and ISCr is detected after the cell is overdischarged when passing the platform. The scanning electron microscopy (SEM) and X-ray diffraction (XRD) results indicate that the overdischarge-induced ISCr is caused by Cu deposition on electrodes, suggesting possible Cu collector dissolution at the voltage platform near −12% SOC. A prognostic/mechanistic model considering ISCr is used to evaluate the resistance of ISCr (RISCr), the value of which decreases sharply at the beginning of ISCr formation. Inducing the ISCr by overdischarge is effective and well controlled without any mechanical deformation or the use of a foreign substance.
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Cites
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Self-citationBuilding Safe Lithium-Ion Batteries for Electric Vehicles: A Review
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Metadata
- Authors
- Guo, R., Lu, L., Ouyang, M., & Feng, X.
- Venue
- Scientific Reports
- Published
- 2016-07-22
- Volume
- 6
- Issue
- 1
- Pages
- 30248-30248
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2496403198
- Cited by
- 339
- References
- 29
- FWCI
- 12.53
- Type
- journal article
- Language
- en
- Open access
- gold
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- Guo, R., Lu, L., Ouyang, M., & Feng, X. (2016). Mechanism of the entire overdischarge process and overdischarge-induced internal short circuit in lithium-ion batteries. Scientific Reports. https://doi.org/10.1038/srep30248
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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