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A shell material and battery technology, applied in the field of materials, can solve the problems affecting the sintering resistance, oxygen penetration, and low density of ceramic silicon rubber, and achieve the effects of small thermal expansion, high heat resistance, and good thermal stability.
Inactive Publication Date: 2018-05-22
CHANGZHOU INST OF DALIAN UNIV OF TECH
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Problems solved by technology
However, the currently commonly used porcelain-forming fillers have large pore sizes and low density in the formed ceramic body, which can easi...
Method used
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Embodiment 1
[0025] A battery shell material with fireproof performance, the shell includes a metal layer 1, a polypropylene plastic layer 2, and a vitrified silicon rubber layer 3 sequentially from the inside to the outside.
Embodiment 2
[0027] The ceramized silicone rubber layer in Example 1 is prepared from the following raw materials in parts by weight: 100 parts of methyl vinyl silicone rubber, 30 parts of porcelain-forming filler, and the melting point range of 350-650°C as the flux. 5 parts of low-melting point glass powder, 1 part of chloroplatinic acid-octanol complex as catalyst, 5 parts of hydroxyl silicone oil, 3 parts of bis(2,4-dichlorobenzoyl) as vulcanizing agent, wherein, porcelain The filler is a mixture of aluminum silicate fiber and acicular wollastonite, wherein the mass ratio of aluminum silicate fiber and acicular wollastonite is 15:30.
[0028] To prepare, proceed as follows:
[0029] (1) Mix silicone rubber, ceramic filler, flux, platinum catalyst, and hydroxy silicone oil in a kneader with a vacuum degree of 0.01MPa, a temperature of 130°C, and a time of 120 minutes;
[0030] (2) After the above-mentioned rubber material is cooled to room temperature, add a vulcanizing agent into the ...
Embodiment 3
[0032] The ceramized silicone rubber layer in Example 1 is prepared from the following raw materials in parts by weight: 100 parts of methyl vinyl silicone rubber, 50 parts of ceramic filler, and the melting point range of 350-650°C as the flux. 10 parts of low-melting point glass powder, 1 part of chloroplatinic acid-octanol complex as the catalyst, 5 parts of hydroxyl silicone oil, 3 parts of bis(2,4-dichlorobenzoyl) peroxide as the vulcanizing agent. The filler is a mixture of aluminum silicate fiber and acicular wollastonite, wherein the mass ratio of aluminum silicate fiber and acicular wollastonite is 17:33.
[0033] Prepare with embodiment 2.
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Abstract
The invention belongs to the field of materials, and relates to a fireproof material of a housing of a storage battery. The housing comprises a metal layer, a polypropylene plastic layer and a ceramicsilicone rubber layer which are sequentially arranged from inside to outside, wherein the ceramic silicone rubber layer is prepared from the following raw materials in parts by weight: 100 parts of silicone rubber, 20-60 parts of ceramic preparing filler, 5-15 parts of a fluxing agent, 0.2-1.5 parts of a platinum catalyst, 2-8 parts of hydroxyl silicone oil, and 2-4 parts of a vulcanizing agent;and the ceramic preparing filler is a mixture of alumina silicate fibers and needle aedelforsite based on the mass ratio of (15-25): (30-40). A plurality of materials are matched with one another to jointly construct the material of the housing of the storage battery; the outermost ceramic silicone rubber layer ensures high fireproofing performance of the storage battery; in case of fire at the outside, the ceramic silicone rubber can be converted into a ceramic body with a dense structure for preventing outside fire from invading to cause combustion of inside materials, and moreover, the riskthat battery fluid leaks from a damaged vessel to cause explosion can be avoided.
Description
technical field [0001] The invention belongs to the field of materials, and relates to a storage battery casing material, in particular to a storage battery casing material with fireproof performance. Background technique [0002] A storage battery is a device that directly converts chemical energy into electrical energy. It is a battery designed to be rechargeable. It is recharged through a reversible chemical reaction. It usually refers to a lead-acid battery, which is a type of battery. , belonging to the secondary battery. Its working principle: when charging, the external electric energy is used to regenerate the internal active material, the electric energy is stored as chemical energy, and the chemical energy is converted into electric energy output again when it needs to be discharged. The shell of the storage battery is mainly made of plastic material, usually polypropylene, ABS and other plastics. In order to meet the requirements of fire and flame retardancy, fla...
Claims
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