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Toxic fluoride gas emissions from lithium-ion battery fires
RISE - Research Institutes of Sweden, Safety and Transport, Electronics. Chalmers University of Technology, Sweden.ORCID iD: 0000-0001-5364-449x
RISE - Research Institutes of Sweden, Safety and Transport, Safety.
RISE - Research Institutes of Sweden, Safety and Transport, Safety.ORCID iD: 0000-0002-6430-6602
Chalmers University of Technology, Sweden.
2017 (English)In: Scientific Reports, ISSN 2045-2322, Vol. 7, no 1, article id 10018Article in journal (Refereed) Published
Abstract [en]

Lithium-ion battery fires generate intense heat and considerable amounts of gas and smoke. Although the emission of toxic gases can be a larger threat than the heat, the knowledge of such emissions is limited. This paper presents quantitative measurements of heat release and fluoride gas emissions during battery fires for seven different types of commercial lithium-ion batteries. The results have been validated using two independent measurement techniques and show that large amounts of hydrogen fluoride (HF) may be generated, ranging between 20 and 200 mg/Wh of nominal battery energy capacity. In addition, 15-22 mg/Wh of another potentially toxic gas, phosphoryl fluoride (POF3), was measured in some of the fire tests. Gas emissions when using water mist as extinguishing agent were also investigated. Fluoride gas emission can pose a serious toxic threat and the results are crucial findings for risk assessment and management, especially for large Li-ion battery packs.

Place, publisher, year, edition, pages
2017. Vol. 7, no 1, article id 10018
National Category
Physical Sciences Chemical Sciences Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-32898DOI: 10.1038/s41598-017-09784-zOAI: oai:DiVA.org:ri-32898DiVA, id: diva2:1168442
Funder
Swedish Energy Agency, 35755-1Available from: 2017-12-20 Created: 2017-12-20 Last updated: 2018-08-23Bibliographically approved

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Publisher's full texthttp://www.nature.com/articles/s41598-017-09784-z

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Larsson, FredrikBlomqvist, Per

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CiteExportLink to record
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