Particulate analysis of post-thermal runaway soot of Li-ion battery using X-ray computed tomography
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866913133459668992 |
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| author | Singh, Avtar Finegan, Donal P. |
| author_facet | Singh, Avtar Finegan, Donal P. |
| contents | The microstructural characteristics of soot generated during thermal runaway events in lithium-ion batteries have been examined, with a focus on the associated health risks. X-ray computed tomography (Nano-CT) offers advanced 3D imaging for accurate analysis of particle shape, size, and distribution. Its primary benefit is the detection of core-shell structures that contain thin shell of carcinogenic materials. In contrast, traditional techniques like X-ray diffraction can only quantify the mass fraction of these hazardous phases, which is often minimal. Nevertheless, even a small mass fraction of carcinogenic materials on carbonaceous surfaces poses significant health risks when inhaled, potentially compromising internal organ function. This research underscores the need for a deeper understanding of particulate composition to inform safety regulations and respiratory protection measures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_16313 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Particulate analysis of post-thermal runaway soot of Li-ion battery using X-ray computed tomography Singh, Avtar Finegan, Donal P. Instrumentation and Detectors Materials Science Applied Physics The microstructural characteristics of soot generated during thermal runaway events in lithium-ion batteries have been examined, with a focus on the associated health risks. X-ray computed tomography (Nano-CT) offers advanced 3D imaging for accurate analysis of particle shape, size, and distribution. Its primary benefit is the detection of core-shell structures that contain thin shell of carcinogenic materials. In contrast, traditional techniques like X-ray diffraction can only quantify the mass fraction of these hazardous phases, which is often minimal. Nevertheless, even a small mass fraction of carcinogenic materials on carbonaceous surfaces poses significant health risks when inhaled, potentially compromising internal organ function. This research underscores the need for a deeper understanding of particulate composition to inform safety regulations and respiratory protection measures. |
| title | Particulate analysis of post-thermal runaway soot of Li-ion battery using X-ray computed tomography |
| topic | Instrumentation and Detectors Materials Science Applied Physics |
| url | https://arxiv.org/abs/2605.16313 |