About 33 results
https://drivepatents.com/patents/1396640 · 7 May 2025
In a power storage device (1), a plurality of electrode tabs (32A) includes a bent portion (34A, 35A) bent in a tab thickness direction (TH). At least one of the electrode tabs (32A) constituting an electrode tab group (38A) has a shape that a tab width (L...
https://drivepatents.com/patents/1399629 · 2 Apr 2025
Provided is art that allows joining an external conductive member and a bus bar more stably. A method for producing a secondary battery (1) disclosed herein has: an attachment step; an arrangement step; a covering step; and, a joining step. The external co...
https://drivepatents.com/patents/1389088 · 19 Mar 2025
A power storage device (100) disclosed herein includes a first electrode terminal (40) including a first conductive member (41), a second conductive member (42), and a metal joined part (45). The metal joined part (45) includes a first region (451) in whic...
https://drivepatents.com/patents/1392744 · 12 Mar 2025
An end plate (42) includes a plate-shaped member (100). The plate-shaped member (100) has an uneven shape including an abutment portion (110A, 110B) and a recess (120), the abutment portion (110A, 110B) being in abutment with the stack in a first direction...
https://drivepatents.com/patents/1392753 · 29 Jan 2025
A plate-shaped member (100, 200) includes a flat surface portion (150, 230), a flange portion (140, 220), and a transition portion (160, 240), the flange portion (140, 220) being provided at an end portion of the plate-shaped member (100, 200), the flange ...
https://drivepatents.com/patents/1399813 · 29 Jan 2025
A battery module (1) includes: a plurality of battery cells (100) arranged side by side in a first direction, each of the plurality of battery cells (100) having a prismatic shape; and a partition wall portion (260, 270) provided between the plurality of b...
https://drivepatents.com/patents/1392749 · 15 Jan 2025
A battery module includes: a duct (71) through which gas discharged from the battery cell flows; and an attachment-target member (30) to which the duct (71) is attached. The attachment-target member (30) has a first wall portion (116) and the duct (71) has...
https://drivepatents.com/patents/1392748 · 15 Jan 2025
A battery module (100) includes: a plurality of battery cells (11) stacked in a Y axis direction; a cover body (51) that covers the plurality of battery cells (11) in a Z axis direction; and a duct (71) through which gas from each of the plurality of batte...
https://drivepatents.com/patents/1399493 · 18 Dec 2024
The electric leakage detection method disclosed herein includes: total voltage measurement of measuring a total voltage V which is an electrical potential difference between a total positive terminal 14a open to be connectable with an external device and a...
https://drivepatents.com/patents/1399815 · 11 Dec 2024
A battery module (1) includes: a plurality of battery cells (100) arranged side by side in a first direction, each of the plurality of battery cells (100) having a prismatic shape; a restraint mechanism (400, 500) that restrains the plurality of battery ce...