| CPC H01M 50/24 (2021.01) [A62C 3/16 (2013.01); H01M 10/613 (2015.04); H01M 10/627 (2015.04); H01M 10/6567 (2015.04); H01M 50/211 (2021.01); H01M 2220/10 (2013.01)] | 10 Claims |
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1. A battery rack, comprising:
a plurality of battery packs vertically arranged, each battery pack of the plurality of battery packs including a plurality of secondary batteries stacked in a direction, and a pack housing having an internal space to receive the plurality of secondary batteries and a feed port for supplying a fire extinguishing liquid from a fire extinguishing liquid tank to each battery pack when an internal temperature in a battery pack of the plurality of battery packs equals or rises above a predetermined temperature; and
a rack case having a receiving space to receive the plurality of battery packs, and including a plurality of rack plates, each rack plate of the plurality of rack plates having a mounting surface on which a battery pack of the plurality of battery packs is mounted, the mounting surface sloping at a predetermined angle with a declining height as the rack plate goes in a first direction, and an extension portion having an end extending further outward in the first direction than the battery pack,
wherein the end of the extension portion of a lower rack plate among the plurality of rack plates is disposed at a more inward position than the end of the extension portion of an upper rack plate among the plurality of rack plates.
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