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Brandfara i bärbara datorer

Andersson, Oscar (2011) In LUTVDG/TVBB--5364--SE VBRM01 20111
Division of Fire Safety Engineering
Fire Protection Engineering 3,5 years
Division of Risk Management and Societal Safety
Abstract (Swedish)
This report is written to shed light on the fire risks with laptop computers. Different parts of the laptops are tested in different hypotheses, using literature studies, case studies and experiments.
The result indicates that Lithium-Ion batteries are the major risk, because of their high energy content. In some cases, the protective circuits may fail, which in worst case may result in rapidly increasing temperature and an explosion due to high internal pressure buildup.
CPU heat production is not sufficient alone to ignite a possible underlay, but could very well contribute to the battery issues, in which heat plays a major role. Other possible risks with laptop computers involve capacitors and adapters, which most often in incidents... (More)
This report is written to shed light on the fire risks with laptop computers. Different parts of the laptops are tested in different hypotheses, using literature studies, case studies and experiments.
The result indicates that Lithium-Ion batteries are the major risk, because of their high energy content. In some cases, the protective circuits may fail, which in worst case may result in rapidly increasing temperature and an explosion due to high internal pressure buildup.
CPU heat production is not sufficient alone to ignite a possible underlay, but could very well contribute to the battery issues, in which heat plays a major role. Other possible risks with laptop computers involve capacitors and adapters, which most often in incidents only cause melting/smoke, but in rare cases have been known to cause open fires. (Less)
Please use this url to cite or link to this publication:
author
Andersson, Oscar
supervisor
organization
alternative title
Fire hazard in laptop computers
course
VBRM01 20111
year
type
M2 - Bachelor Degree
subject
keywords
Bärbar dator, brand, antändning, batteri, Litium-Jon, processor, CPU, överhettning, explosion, thermal runaway. Laptop computer, fire, ignition, battery, Lithium-Ion, overheating, thermal runaway.
publication/series
LUTVDG/TVBB--5364--SE
report number
5364
ISSN
1402-3504
language
Swedish
id
1984907
date added to LUP
2011-06-27 12:48:16
date last changed
2014-03-10 10:40:38
@misc{1984907,
  abstract     = {This report is written to shed light on the fire risks with laptop computers. Different parts of the laptops are tested in different hypotheses, using literature studies, case studies and experiments.
The result indicates that Lithium-Ion batteries are the major risk, because of their high energy content. In some cases, the protective circuits may fail, which in worst case may result in rapidly increasing temperature and an explosion due to high internal pressure buildup.
CPU heat production is not sufficient alone to ignite a possible underlay, but could very well contribute to the battery issues, in which heat plays a major role. Other possible risks with laptop computers involve capacitors and adapters, which most often in incidents only cause melting/smoke, but in rare cases have been known to cause open fires.},
  author       = {Andersson, Oscar},
  issn         = {1402-3504},
  keyword      = {Bärbar dator,brand,antändning,batteri,Litium-Jon,processor,CPU,överhettning,explosion,thermal runaway.
Laptop computer,fire,ignition,battery,Lithium-Ion,overheating,thermal runaway.
},
  language     = {swe},
  note         = {Student Paper},
  series       = {LUTVDG/TVBB--5364--SE},
  title        = {Brandfara i bärbara datorer},
  year         = {2011},
}