University of Electronic Science and Technology of China (Shenzhen) Advanced Research InstituteApplication case of Xinnuo glove box dedicated hot press machine

1、 What is a glove box specific hot press machine?

Simply put, it is aCombining hot pressing process with inert gas protection environment (glove box)The equipment.

• Hot press sectionProvide high temperature and pressure for sintering, bonding, curing, or forming materials. For example, compressing powder into a dense solid or firmly bonding two layers of material together.

• Glove box sectionProvide a high-purity, sealed inert gas (such as argon, nitrogen) environment with extremely low oxygen and water content inside (usually controlled at<0.1 ppm).

core valueIntegrating these two systems together is to handle those issues that may ariseExtremely sensitive to oxygen and water vaporThe materials. These materials will rapidly oxidize, hydrolyze, or deteriorate in the air, thereby losing their excellent properties.

2、 Main application areas

This type of equipment is mainly used for research and small-scale production in cutting-edge technology fields

1. Solid state battery research and development

• Preparation of electrolyteSulfide solid electrolytes are extremely sensitive to air and must be compressed in an inert atmosphere to test their ionic conductivity and mechanical properties.

• Assembling batteriesHot press the positive electrode material, solid electrolyte, and negative electrode material in an oxygen free and water free environment to form a complete battery cell and avoid interface contamination.

2. New Materials Science

• Metallic glass (amorphous alloy)If amorphous alloys with certain components come into contact with oxygen during heating and forming, it can cause crystallization and damage their amorphous structure.

• perovskite materialsSome high-performance organic-inorganic hybrid perovskites are sensitive to moisture and require heat treatment under a protective atmosphere.

• Other inorganic/organic materials that are sensitive to the atmosphereSintering and molding.

3. Semiconductors and Microelectronics

• Bonding or packaging sensitive semiconductor materials.

4. Special Ceramics and Powder Metallurgy

• Sintering some easily oxidizable metal powders (such as certain active metals) or special ceramics.

3、 Key components

A complete glove box dedicated hot press system typically includes:

1. Glove box body：

• Provide a sealed working chamber with observation window, glove operating port, gas purification system, and transition chamber (for transferring samples and tools).

2. Integrated hot press machine：

• heating systemUsually using induction heating or resistance heating, the highest temperature can reach 600 ° C, 1000 ° C, or even higher.

• Pressure systemDriven by hydraulic or servo motors, providing precise and controllable pressure ranging from a few tons to tens of tons.

• moldUsed for placing samples, usually made of high-strength, high-temperature resistant materials (such as hard alloys, high-strength graphite, etc.).

• control systemA control panel/software that is independent or integrated with the glove box system, used to set and monitor process parameters such as temperature, pressure, and time.

3. Safety and auxiliary systems：

• cooling systemTo cool down the working components of the hot press machine, such as hydraulic stations and heating elements.

• Pressure/temperature sensorReal time feedback data.

• Security interlockEnsure that the hot press cannot be started when the glove box door is not closed properly or the atmosphere is not up to standard, to ensure the safety of equipment and operators.

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