What is the reason for the three-dimensional lithium-ion battery suddenly stopped?

　　Author ：Iflowpower – Nhà cung cấp trạm điện di động

The Ministry of Industry and Information Technology clearly stated that suspend the three yuan lithium-ion battery bus promotion for safety considerations. Although it is just a suspension, it lost the government subsidy, so that the three-yuan lithium-ion battery that was originally received in the new energy automotive industry was in an embarrassing position. Suspend the security problem based on ternary lithium-ion battery, not the choice of power lithium-ion battery technology route.

The three-dimensional material is flammable, the safety risks exist are relatively large. Researchers said that the relevant experience of accidents occurred in the past, the nickel-cobalt aluminum ternary material 18650 battery will appear from 180 ¡ã C, it is difficult to control after the fire, and the lithium iron phosphate material is 250 ¡ã C or more will be released Thermal phenomenon, relatively high security. The chemical reaction of the three-dimensional lithium-ion battery material is more intense, and the oxygen molecule will release oxygen, and the electrolyte is rapidly burned under high temperature use, and a chain reaction occurs.

Lithium iron phosphate does not release oxygen molecules when analyzing, combustion is not so violent. The three-dimensional lithium-ion battery is higher than the lithium-phosphate ion battery. It is a tight direction of the lithium-ion battery in the future, but in this category of starting late, it is not enough for passenger cars.

The Ministry of Industry and Information Technology. It is considering further improvement of new energy automotive product safety technology thresholds, organizing the risk assessment of models such as three-yuan lithium-ion batteryb passenger cars in the current safety standard system. The gap between domestic three-yuan lithium-ion battery companies and foreign companies is quite large, and only several large-scale dynamic lithium-ion batteries such as Samsung, LG, and Panasonic, and the company has reached thousands of house.