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- Title
Fast Thermal Runaway Detection for Lithium-Ion Cells in Large Scale Traction Batteries.
- Authors
Koch, Sascha; Birke, Kai Peter; Kuhn, Robert
- Abstract
Thermal runaway of single cells within a large scale lithium-ion battery is a well-known risk that can lead to critical situations if no counter measures are taken in today's lithium-ion traction batteries for battery electric vehicles (BEVs), plug-in hybrid electric vehicles (PHEV) and hybrid electric vehicles (HEVs). The United Nations have published a draft global technical regulation on electric vehicle safety (GTR EVS) describing a safety feature to warn passengers in case of a thermal runaway. Fast and reliable detection of faulty cells undergoing thermal runaway within the lithium-ion battery is therefore a key factor in battery designs for comprehensive passenger safety. A set of various possible sensors has been chosen based on the determined cell thermal runaway impact. These sensors have been tested in different sized battery setups and compared with respect to their ability of fast and reliable thermal runaway detection and their feasibility for traction batteries.
- Subjects
LITHIUM-ion batteries; LARGE scale systems; ELECTRIC vehicle batteries; PLUG-in hybrid electric vehicles; FAULT diagnosis
- Publication
Batteries, 2018, Vol 4, Issue 2, p1
- ISSN
2313-0105
- Publication type
Article
- DOI
10.3390/batteries4020016