Title:
BATTERY PACK, ELECTRONIC DEVICE, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2021/075780
Kind Code:
A1
Abstract:
A battery pack according to the present invention comprises: at least two cell assemblies which are arranged in the left and right direction and each of which includes a plurality of can-type secondary batteries arranged in the anteroposterior direction, wherein the can-type secondary batteries have a shape in which each of the can-type secondary batteries lies so that an electrode terminal is positioned in the left and right direction; and a pack housing. The pack housing includes: an outer wall for forming an inner space capable of receiving the at least two cell assemblies; and a screen wall positioned between the received at least two cell assemblies so that same do not face each other and having a recessed part, at least a part of which is spaced apart from an end part of the can-type secondary battery by a predetermined distance so that, when a flame or gas is released at a part among the plurality of can-type secondary batteries, the degree of spreading of the flame or gas to other can-type secondary batteries is reduced.
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Inventors:
PARK JI-SOO (KR)
Application Number:
PCT/KR2020/013604
Publication Date:
April 22, 2021
Filing Date:
October 06, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/658; A62C2/06; A62C3/16; H01M10/48; H01M10/613; H01M10/625; H01M10/643; H01M50/20; H01M50/30
Domestic Patent References:
| WO2014068946A1 | 2014-05-08 | |||
| WO2019042698A1 | 2019-03-07 |
Foreign References:
| US9614263B2 | 2017-04-04 | |||
| US20190181399A1 | 2019-06-13 | |||
| US20190280260A1 | 2019-09-12 | |||
| KR20190127810A | 2019-11-13 |
Other References:
See also references of EP 3926735A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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