Isostatic pressing device for all solid rechargeable battery

An isostatic pressing device for a battery, the device comprising:

• a yoke;
• a vessel installed inside the yoke;
• a cover provided on the yoke to close and open an inlet and an outlet on the vessel;
• and
• a thermocouple installed in a hole in the cover and configured to detect a temperature of a pressed medium in the vessel,
• wherein the cover has an expansion groove formed on an inner surface of the cover with a diameter larger than a diameter of the hole, and
• wherein the thermocouple comprises a temperature measuring tip that protrudes from the expansion groove towards the inner surface of the cover, and the temperature measuring tip is in thermal contact with the pressed medium.