Battery pressing device and battery pressing method
View Patent ↗A battery pressing device for pressing a battery cell, the battery cell including an external casing, an electrolyte, a battery element in which electrodes and a separator are arranged in layers in the external casing, electrode terminals extending out of the external casing from an end of the battery element, and an insulating member for preventing short-circuiting of the electrode terminals attached to the electrode terminals inside the external casing, the battery pressing device includes a pressing member configured to press the battery cell in a layering direction of the battery element over a region so as to avoid pressing the insulating member inside the external casing.
1. A battery pressing method for pressing a battery cell, the battery cell including an external casing, an electrolyte, and a battery element in which electrodes and a separator are arranged in layers in the external casing, electrode terminals extending out of the external casing from an end of the battery element, and an insulating member for preventing short-circuiting of the electrode terminals attached to the electrode terminals inside the external casing, the method comprising:
pressing the battery cell in a layering direction of the battery element with an automatically controlled pressing member over a region so as to avoid pressing the insulating member inside the external casing.
2. The battery pressing method according to claim 1 , wherein
the pressing member is a pair of rollers, the pair of rollers sandwiching the battery cell therebetween, and pressing the battery element from both sides in the layering direction.
3. The battery pressing method according to claim 1 , wherein
the pressing member is a roller, and the pressing includes pressing a surface of the battery cell while rotating the roller, and
while pressing the roller onto the battery cell, carrying the battery cell on a transport tray.