Is the safety of ternary lithium battery good?

The ternary lithium battery security is unreliable. Can damage the battery diaphragm in the car accident by outside force, leading to short circuit, and the heat during a short circuit will cause the battery thermal runaway. The temperature will quickly reach above 300 ℃.

Ternary lithium battery thermal stability is poorer, insist on less than 300 ℃ can release oxygen, combustible in battery electrolyte, only a little after carbon materials, the heat generated by the intensified the anode decomposition, in a very short period of time will deflagration. In contrast, another a kind of widely used lithium iron phosphate batteries can stick to a 700-800 ℃, and won't release oxygen, security is much higher.

Based on security considerations, in China, with the ternary lithium battery bus once is impossible into the ministry of industry and new energy automobile recommended models directory.

Battery management system do bad, lithium battery is a mobile bomb, in addition to the notorious for battery explosion Samsung note mobile phone, the Boeing 787 also had to suffer. As the world's first use of lithium-ion batteries civilian aircraft, a Boeing 787 in January 2013, sending two lithium battery fire accident, once was grounded, frighten airbus gave up on the A350 directly adopt the plan of lithium-ion batteries.

In 2017, pure electric vehicles sold in China, the ternary lithium battery installed capacity 44.01%, lithium iron phosphate batteries still dominate. However, for the pursuit of the battery energy density, more and more power battery companies are turning to the ternary lithium batteries, even has been in the lithium iron phosphate BYD began to revolt.

, however, are famous for their excellent battery management system of the tesla, temporarily cannot get rid of the shadow of the fire vehicle, in view of the present situation of the domestic new energy depot the good and bad are intermingled, ternary lithium battery spread too fast, not necessarily is a good thing.

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