| CPC H01M 50/242 (2021.01) [H01M 50/264 (2021.01); H01M 50/289 (2021.01); H01M 50/204 (2021.01); H01M 50/249 (2021.01)] | 7 Claims | 

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               1. A battery pack, comprising: 
            a plurality of battery cell assemblies stacked in a stacking direction; 
                a pack housing configured to accommodate the plurality of battery cell assemblies therein; 
                a plurality of support plates configured to support both sides of each battery cell assembly accommodated in the pack housing; and 
                a first fixing member and a second fixing member configured to fix mutually adjacent support plates among the plurality of support plates to the pack housing so that a gap extending from the first fixing member to the second fixing member is formed between the mutually adjacent support plates, 
                wherein the first fixing member and the second fixing member each includes a gap forming portion having a predetermined thickness in the stacking direction and configured to be inserted between the mutually adjacent support plates to form the gap, wherein the size of the gap in the stacking direction is configured to correspond to the predetermined thickness in the stacking direction of the gap forming portion, 
                wherein at least one of the mutually adjacent support plates includes an indented portion into which a portion of the first fixing member or the second fixing member is inserted and coupled, and 
                wherein the first fixing member or the second fixing member further includes a side portion configured to extend from one side of the gap forming portion toward the at least one of the mutually adjacent support plates and to be inserted into the indented portion of the at least one of the mutually adjacent support plates. 
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