Analysis of the storage environment and storage method of 6LR61 alkaline battery electrolyte

Storage environment of 6LR61 alkaline battery electrolyte

The commercial lithium hexafluorophosphate electrolyte cannot exceed 60 degrees Celsius. If the solvent also contains dimethyl carbonate, diethyl carbonate and other solvents with lower boiling points, high temperature is not recommended. The electrolyte solvent is generally a mixed solvent. It is best to be between -10 and 40°C.

Storage and use methods of 6LR61 alkaline battery electrolyte

The electrolyte of lithium-ion batteries is an important component of the battery and has a great influence on the performance of ternary lithium-ion batteries. 6LR61 alkaline battery electrolytes are mainly composed of organic solvents. Suitable solvents need to have high dielectric constants and low viscosity. Commonly used ones are alkyl carbonates such as PC and EC, which have strong polarity and high dielectric constants.

1. Use oil barrel trucks for turnover.

2. Before use, the processing personnel must notify the QC of the injection process to test the water content of the electrolyte (sampling, including the unused electrolyte in the electrolyte barrel and the buffer tank, the environment requires the dew point of the glove box to be less than -28℃), and processing can be carried out only after the detection is qualified.

Storage environment of 6LR61 alkaline battery electrolyte_

3. When replenishing electrolyte from the electrolyte barrel to the buffer tank, two people cooperate to operate, A first opens the buffer tank valve 1, as shown in Figure 1, b then opens the SP fast valve 2, as shown in Figure 2, and then observes the electrolyte liquid level in the transparent tube above the buffer tank. It is required to close valve 2 first and then valve 1 when the electrolyte height does not exceed the uppermost end of the plastic tube, as shown in Figure 4.

Storage environment of 6LR61 alkaline battery electrolyte_

4. When the pressure in the electrolyte barrel is lower than 0.01Mpa or the electrolyte cannot be pressed out, it is said that nitrogen needs to be added to the electrolyte barrel. The nitrogen filling pressure is not more than 0.2Mpa, as shown on the pressure gauge on the left. When switching the SP quick connector after the electrolyte is used up, you must first clean the quick connector with DMC, then clean it with anhydrous alcohol and dry it or air dry it.

Storage environment of 6LR61 alkaline battery electrolyte_

5. Before shift change, all valves in the buffer tank must be closed and sealed; when the electrolysis test in the buffer tank fails, the electrolyte in the tank must be drained, and the discharged electrolyte must be placed in a special container and neutralized with alkali.

6. After the electrolyte is used up, the empty barrel should be marked and recycled.

7. 6LR61 alkaline battery electrolyte should be stored in a cool place with a temperature below 25°C, away from fire and heat sources.

8. Use alkali-resistant utensils to prepare and store electrolyte, and slowly pour the alkali into distilled water or deionized water, and stir with a clean alkali-resistant rod. It is forbidden to pour water into the electrolyte.

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