| CPC H01M 50/209 (2021.01) [H01M 50/204 (2021.01); H01M 50/249 (2021.01); H01M 50/262 (2021.01); H01M 2220/20 (2013.01)] | 10 Claims |
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1. A battery pack comprising:
a battery module formed by stacking a plurality of battery cells;
an upper frame positioned on an upper surface of the battery module;
a first side frame positioned on a first side surface of the battery module and having a portion on which a first busbar is disposed, the first side frame including one or more first poles positioned at an upper edge of the first side frame; and
a second side frame positioned on a second side surface of the battery module so as to face the first side frame,
wherein the upper frame includes one or more first hinge parts positioned at one end of the upper frame, the one or more first hinge parts defining a first opening extending along an axis for securing the one or more first poles, the first opening defining a first gap through which the one or more first poles is inserted,
and
wherein the first opening is formed at an oblique angle such that a plane passing through the axis of the first opening and a midpoint of the first gap extends between a direction perpendicular to the upper frame and a direction parallel to the upper frame.
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