A kind of lithium battery explosion-proof gasket material and preparation method thereof

Abstract

The invention discloses a lithium battery explosion-proof gasket material, which is characterized in that it is made of the following raw materials in parts by weight: 10-15 parts of fluorinated phosphazene rubber, 5-10 parts of polydiphenylsilaboroxane, ethylene 80-100 parts of base-terminated fluorosilicone rubber, 1-3 parts of initiator, 0.5-1.5 parts of phosphorus pentoxide, 10-20 parts of vinyl modified thermally conductive filler, 2-5 parts of coupling agent, 2-(2 ‑[(3‑Ethyl‑5‑methyl‑2(3H)‑benzothiazolyl)methyl]‑1‑butenyl)‑1‑(3‑sulfonic acid)naphtho[1,2‑ d] 3-6 parts of azole hydroxide inner salt, 1-3 parts of 1,3-adamantanediol monoacrylate, 1-allyl-2-(trifluoromethyl)-1H-benzo[D] 1‑3 parts of imidazole. The invention also discloses a preparation method of the lithium battery explosion-proof gasket material. The lithium battery explosion-proof gasket material disclosed by the invention has good comprehensive performance and thermal conductivity, good flame retardant insulation effect, excellent mechanical properties such as tensile strength and tear resistance, high performance stability, and long service life.

Description

technical field [0001] The invention relates to the technical field of lithium batteries, in particular to a lithium battery explosion-proof gasket material and a preparation method thereof. Background technique [0002] With the rapid development of economy, human beings are facing severe challenges of energy crisis and environmental pollution. All countries in the world are constantly seeking cleaner and more environmentally friendly green energy. Among them, lithium batteries are widely used in mobile phones, portable computers, cameras, In the field of electronic products such as cameras, and the application field is still expanding, it has become the main choice of sustainable power batteries and is known as the ideal power supply in the 21st century. [0003] With the gradual development of new energy vehicles, lithium-ion batteries have gradually replaced gasoline as the power support for vehicles. However, the safety performance of lithium-ion batteries has greatly...

AI Technical Summary

Problems solved by technology

However, its mechanical properties such as tensile strength and tear resistance are poor, and its physical and mechanical properties are not as good as most synthetic rubbers at room temperature, and general silicone rubber has poor oil and solvent resistance, and its long-term performance stability needs to be further improved.