1. JRC comments and questions in advance EVS CATARC EVS GTR IWG Session #14 Ottawa, September 2017

2. Relevant to Thermal propagation
Document
Title
Author
EVS
Summary of thermal propagation tests
CATARC
Slide No 3
Is it necessary to judge if thermal runaway propagation has occurred?
If not by visual inspection, how else can it be judged the occurrence of thermal runaway propagation?

3. Relevant to Thermal propagation
Document
Title
Author
EVS
Summary of thermal propagation tests
CATARC
Slide No 6
Based on which assessment (e.g. standards, regulations, test protocols) were these test conditions selected for nail, overcharge and heating tests?
For overcharge what are the implications of having a protection device on the cell. Is it the intention to leave it operational or to disable it?

4. Relevant to Thermal propagation
Document
Title
Author
EVS
Summary of thermal propagation tests
CATARC
Slide No 11
How is it possible that the temperature levels out during the heating test (800 to 1200 s)? Why does thermal runaway start well below 100°C?

5. Relevant to Thermal propagation
Document
Title
Author
EVS
Summary of thermal propagation tests
CATARC
Slide No 12
Is it possible to provide the data for all the individual 100 tests? We cannot see from the figures provided how these demonstrate repeatability. Maybe this will become clearer when the data requested is provided