Thermal runaway debris capture devices and methods

A debris capture device for a battery system, the debris capture device comprising:

• a housing including an inlet, an outlet, and a cavity disposed therein;
• and
• a baffle arrangement disposed within the cavity of the housing, wherein in response to a cell in the battery system entering thermal runaway, the housing is configured to receive an ejecta from the cell and the baffle arrangement is configured to collect a debris that has a weight that is greater than 10 grams and eject a gas from the ejecta through the outlet, wherein:
• the housing includes a first sidewall spaced apart in a longitudinal direction from a second sidewall,
• the inlet disposed in the first sidewall, the inlet including a first center point that is a first vertical height from a bottom side of the housing,
• the outlet disposed in the second sidewall, the outlet including a center point that is a second vertical height from the bottom side of the housing,
• the baffle arrangement includes a first baffle spaced apart in the longitudinal direction from the first sidewall,
• the baffle arrangement includes a second baffle spaced apart in the longitudinal direction from the first baffle,
• the baffle arrangement includes a third baffle spaced apart in the longitudinal direction from the second baffle,
• the first baffle extends in a first downward direction from a top wall of the housing,
• the second baffle extends in an upward direction from a bottom wall of the housing,
• the third baffle extends in a second downward direction from the top wall, and
• the second vertical height is greater than the first vertical height.