BATTERY PACK INCLUDING FIRE EXTINGUISHING SYSTEM

WIPO Patent Application WO/2018/139737

A1

Disclosed in one embodiment of the present invention is a battery pack including a fire extinguishing system, the battery pack comprising: a housing; a battery module provided inside the housing and including a plurality of battery cells respectively spaced from each other at predetermined intervals; a drug storage part for storing a fire extinguishing agent and injecting the fire extinguishing agent into the housing when an abnormal temperature is sensed in the battery module; a first perforated plate, which is provided on an inflow passage side of the housing through which the fire extinguishing agent flows from the drug storage part into the housing, includes a plurality of first opening holes for allowing the fire extinguishing agent to pass therethrough such that the fire extinguishing agent is guided to a connecting passage formed between the respective battery cells, and uniformly disperses the fire extinguishing agent injected into the connecting passage from the inflow passage through the plurality of first opening holes; and a fan for discharging, to the outside, the fire extinguishing agent injected into the housing, wherein the fire extinguishing agent sequentially passing through the inflow passage and the connecting passage is collected in a discharge passage of the housing, and the fire extinguishing agent collected in the discharge passage is discharged to the outside of the housing by the fan.

LEE CHOONG HOON (KR)

PCT/KR2017/012160

August 02, 2018

October 31, 2017

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SAMSUNG SDI CO LTD (KR)

A62D1/00; H01M10/42; H01M10/48; H01M10/63; H01M50/213

KR101424704B1	2014-07-31
KR20120069334A	2012-06-28
US20110189511A1	2011-08-04
KR20070006000A	2007-01-11
JP2010153117A	2010-07-08

Y.P.LEE, MOCK & PARTNERS (KR)

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