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Is the electrolyte of lithium batteries toxic? What are the hazards of electrolyte? There are two types of electrolytes for lithium batteries, one is acidic electrolyte and the other is alkaline. The main components are sulfuric acid and sodium hydroxide, both of which have strong corrosiveness and can cause poisoning, chemical corrosion, and mechanical damage to human organs. Its harm is self-evident. The editor of this article will tell you some knowledge, keep an eye on it!

Lithium battery electrolyte is the carrier for ion transport in batteries. Generally composed of lithium salts and organic solvents. The electrolyte plays a role in conducting ions between the positive and negative electrodes of lithium-ion batteries, ensuring that lithium-ion batteries obtain high voltage, high specific energy, and other advantages. Electrolytes are generally prepared from high-purity organic solvents, electrolyte lithium salts, necessary additives, and other raw materials under certain conditions and in a certain proportion.

As one of the four main components of lithium-ion batteries (positive electrode, negative electrode, separator, electrolyte), electrolyte plays a crucial role in the various performance of lithium-ion batteries, such as capacity density, cycling performance, rate performance, storage performance, etc. Lithium battery electrolyte not only needs to have high lithium ion conductivity, but also excellent electronic insulation.

Is the electrolyte of lithium batteries toxic?

The electrolyte of lithium batteries is mainly composed of organic solvents, such as PC (propylene carbonate), EC (ethylene carbonate), DMC (dimethyl carbonate), DEC (diethyl carbonate), EMC (methyl ethyl carbonate), and other additives.

Especially the inorganic salts LiPF6 and LiBF4 will release HF when they come into contact with water, which is a highly toxic substance and highly corrosive to the human body, especially bones. Overall, the pH value of its electrolyte is generally between 5.5 and 6.5, slightly acidic.

What are the hazards of lithium battery electrolyte?

1. Lithium batteries are absolutely harmful to the human body. The most harmful substance is electrolyte solution, which is an organic and volatile liquid with obvious corrosiveness. Inhaling volatile gases for a long time can cause damage to the respiratory tract;

2. If you are working on battery cells, the contents inside the cells are harmful to the human body and it is not recommended to go. You should wear a gas mask or mask when going to work. The work environment may contain many harmful elements, some mercury elements are common, as well as other lead elements. Causing heavy metal diseases.

3. Radiation. The so-called radiation refers to the phenomenon of radio frequency waves generated by high-frequency oscillations in circuits being emitted into space. Radiation of a certain frequency and intensity has an impact on the body.

4. The most harmful substance to human health in the electrolyte of lithium batteries is the lithium salt, lithium hexafluorophosphate, which is very domineering. I heard before that if a person's skin surface has palm sized skin that is corroded, it can be fatal.

5. The volatile odor of electrolyte is very strong, which has a significant impact on women's pregnancy.

In case of electrolyte leakage, personnel from the contaminated area should be quickly evacuated to a safe area and isolated, with strict restrictions on entry and exit. Cut off the fire source. It is recommended that emergency personnel wear self-contained positive pressure respirators and fire protective clothing. Cut off the source of leakage as much as possible. Prevent entry into restricted spaces such as sewers and drainage ditches.

What are the advantages of electrolyte composition in lithium batteries?

a. High ion conductivity should generally reach 1x10-3~2x10-2S/cm;

b. High thermal and chemical stability, without separation over a wide voltage range;

c. Wide electrochemical window, maintaining stable electrochemical performance over a wide voltage range;

d. It has good compatibility with other parts of the battery, such as electrode materials, electrode current collectors, and separators.

Lithium batteries are harmful to human health. The most harmful is electrolyte solution. Electrolyte is an organic and volatile liquid with obvious corrosiveness, so it is necessary to add more protection during normal operation. Lithium ion battery electrolyte is a strong acid that poses certain risks to human skin and eyes. Once in contact, it should be immediately washed with plenty of water.

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