| CPC H01M 50/207 (2021.01) [H01M 10/6554 (2015.04); H01M 50/233 (2021.01); H01M 50/262 (2021.01)] | 7 Claims |
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1. A power storage apparatus comprising:
a tubular casing extending in a first direction;
a cell group configured by stacking a plurality of battery cells in the first direction;
opening parts arranged at both ends of the tubular casing in the first direction;
a housing part arranged inside the tubular casing and housing the cell group;
an end plate fixed to the tubular casing so as to close the opening part; and
a reinforcement member fixed across the tubular casing and the end plate, wherein
the tubular casing includes two outer wall parts arranged in a second direction perpendicular to the first direction,
one end part of the reinforcement member is fixed to a first fixation part provided on the two outer wall parts,
another end part of the reinforcement member is fixed to a second fixation part provided on an outer part of the end plate,
the first fixation part is provided separately from the tubular casing,
the two outer wall parts of the tubular casing have a fastening member insertion hole through which a first fastening member that fixes the end plate to the tubular casing is inserted along the first direction, and a fixation part accommodating groove that communicates with the fastening member insertion hole and accommodates the first fixation part,
the first fixation part has a threaded engaging part engaging with the first fastening member and is fixed to the two outer wall parts by causing the first fastening member inserted through the fastening member insertion hole to threadedly engage with the threaded engaging part in a state where the first fixation part is accommodated in the fixation part accommodating groove.
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