AN INNER PRESSURE MEASUREMENT EQUIPMENT FOR SECONDARY BATTERY

摘要

PURPOSE: An inner pressure measurement apparatus for a secondary battery is provided to measure an inner pressure inside the secondary battery generated from a charging/discharging process of the battery. CONSTITUTION: An inner pressure measurement apparatus(200) for a secondary battery comprises the following: an upper plate(210) including a pressure sensor(240), and a battery-fixing groove(214) to fix the battery; a lower plate(220) including another battery-fixing groove(224) on the facing position of the upper plate, and a charge/discharge connecting unit(260); and more than two supporters(230) fixed to two fixing units(270) on each plate to maintain the interval between the plates.