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Q What is the function of lithium battery glove box？

A
Lithium battery glove boxes play an important role in the research and production of lithium batteries

1. Water and oxygen free environment: The water and oxygen free environment provided by the lithium battery glove box is crucial for the synthesis of lithium battery electrode materials, as these materials such as lithium cobalt oxide and lithium iron phosphate are extremely sensitive to water and oxygen.

2. Ensuring material performance: Synthesis in a lithium battery glove box can ensure the chemical purity and electrochemical performance of the material, thereby improving the energy density and charge discharge performance of the lithium battery.

3. Fault analysis: When the battery performance does not meet expectations, the lithium battery glove box provides a pollution-free dismantling environment, which facilitates researchers to accurately analyze the cause of the fault, understand the battery failure mechanism, and guide battery design and material improvement.
Q What specific performance requirements do glove boxes have in the field of new energy?

A In the field of new energy, there are specific requirements for the sealing and leakage rate, material compatibility, temperature and humidity control, as well as the convenience and safety of operation of the glove box. The glove box should have good sealing performance to prevent the infiltration of external air; The internal materials must be compatible with the chemicals, gases, and operating environment used; At the same time, the glove box also needs to be equipped with precise temperature and humidity control systems; In addition, the operation of the glove box should be convenient and safe, including glove performance and replacement, operating space and visibility, pressure control and adjustment, as well as monitoring and alarm functions.
Q What are the requirements for gas environment control of glove boxes in the field of new energy？

A The gas environment control of glove boxes is very strict in the field of new energy, mainly including controlling the water and oxygen content inside the glove box at an extremely low level, usually reaching the ppm level or even lower; The purity requirement for working gases such as nitrogen and argon is 99.999% or higher; At the same time, the glove box also needs to have an efficient gas circulation and purification system to continuously remove trace amounts of water, oxygen, and other impurity gases inside the glove box.
Q What mechanical failures may occur in the fan of the glove box?

A
1、Fan impeller failure, if the impeller is installed unevenly, deformed or damaged, it will generate severe vibration during operation, increase motor load and mechanical wear, and in severe cases, cause motor overload tripping;

2、Bearing damage, long-term use of glove box fans, bearing wear, oil shortage, overheating and other situations may occur, increasing rotational resistance and motor load can also cause tripping;

3、Coupling failure, if the coupling between the glove box fan and the motor is improperly installed, loose, worn, or damaged, it can cause unstable transmission between the fan and motor, increase motor load, and even damage the motor shaft due to excessive torque, leading to tripping and affecting the normal operation of the glove box fan.
Q What is the reason for the fan in the glove box to stop running?

A
The shutdown of the fan in the glove box may be caused by the following reasons:

1. Overload protection, if the load connected to the fan exceeds the rated load of the motor, resulting in excessive current, such as the impeller being stuck by foreign objects or the pipeline being blocked, increasing the operating resistance and causing the motor to overload, the overload protection will be triggered, causing the circuit breaker to trip or the frequency converter to protect itself;

2. Short circuit fault, caused by insulation damage to the internal winding of the motor, resulting in a short circuit between the winding and the outer shell, causing a sharp increase in current beyond normal operating current and tripping the protective circuit;

3. Phase loss operation, where one of the phase wires in the power supply line is disconnected, the fuse is blown, or the contactor contacts are poorly connected, resulting in a motor phase loss. The other two phases experience an increase in current and overheating, leading to tripping;

4. Grounding fault, damage to motor or circuit insulation, causing current to enter the ground and form a grounding fault. The grounding current triggers the action of the grounding protection device, cutting off the power supply and causing the fan to stop running.
Q How to provide a sterile environment for glove boxes in vaccine research？

A
Glove boxes mainly provide sterile environments in vaccine research through the following methods:

1. Sealing design: The sealing design of the glove box can effectively block bacteria, fungi and other microorganisms in the outside air, prevent them from entering the box, ensure the sterility of experimental samples and operating environment, and protect vaccine research materials from microbial contamination.

2. Efficient filtration system: The glove box can integrate an efficient gas filtration system to efficiently filter the gas inside the box, remove impurities, and create a purer atmosphere environment.

3. Personalized customization: The operating space can be customized according to the corresponding experiment. The independent operating space of the glove box can prevent cross contamination between different samples, ensuring the independence and purity of each experimental step.
Q What are the precautions for glove box regeneration？

A
Attention should be paid when regenerating glove boxes:

1. Close the purification column and circulation system;

2. Confirm that the regenerated gas is sufficient;

3. When regenerating the glove box, check if there is any gas discharged from the exhaust port;

4. After half an hour of glove box regeneration, check if the purification column has heated up. Do not touch it directly with your hands to prevent burns;

5. After regenerating the glove box for three hours, check again whether there is gas discharged from the exhaust port and whether the float flowmeter is between 15-20ML;

6. The glove box regeneration process is automatic. After starting the regeneration, there is no need for manual operation. It will be completed automatically after 20 hours. Please do not turn off the power;

7. If there are two purification columns, they cannot be regenerated simultaneously.
Q What components do glove box regeneration systems need to check on a daily basis？

A The regeneration system of the glove box needs to be regularly checked for signs of damage to the heating elements, such as short circuits, open circuits, etc; Check whether the regenerated gas pipeline is firmly connected, without looseness, damage or corrosion, and check whether the gas valve is opened and closed normally; Check if the regenerative exhaust flow meter is working properly, if the float is flexible, and if there are any issues such as poor airflow or blockage caused by solvent corrosion. Daily inspections are conducted to ensure the integrity and smoothness of the glove box regeneration process.

FAQ

Q What is the function of lithium battery glove box？

Q What specific performance requirements do glove boxes have in the field of new energy?

Q What are the requirements for gas environment control of glove boxes in the field of new energy？

Q What mechanical failures may occur in the fan of the glove box?

Q What is the reason for the fan in the glove box to stop running?

Q How to provide a sterile environment for glove boxes in vaccine research？

Q What are the precautions for glove box regeneration？

Q What components do glove box regeneration systems need to check on a daily basis？

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