STANDING DEVICE

A standing device for letting a battery cell stand includes: a pressure regulating apparatus; a standing cavity; a charging cavity, connected to a first end of the standing cavity, the charging cavity being connected to the pressure regulating apparatus; a conveying apparatus, penetratingly disposed in the standing cavity and the charging cavity and configured to convey the battery cell; and a charging cavity sealing gate, disposed between the charging cavity and the standing cavity, the charging cavity sealing gate being configured to be opened when the pressure in the charging cavity rises to the pressure in the standing cavity, so that the battery cell is conveyed to the standing cavity.