What is the explosion-proof protection of Lib?

According to the relevant requirements in IEC60079, the explosion-proof protection of LIB can be adapted to the working environment of high dust and explosive gas environments such as in the mining face of coal production.

What are the different types of explosion-proof protection technologies for Lib vehicles?

There are three explosion-proof protection technologies for LIB vehicles: Explosion-proof (Ex’d’), intrinsically safe (‘ia’/’ib’) and encapsulation (Ex ‘ma’/’mb’). At the same time, the increased safety type (Ex ‘e’) or the combination of several protection technologies may also be considered to achieve the required protection level.

Can a LFP battery cause a secondary explosion?

It is verified that the LFP battery will not cause a secondary explosion even under the condition of a high concentration of CH 4 after thermal runaway; however, the release of gas could potentially lead to excessive pressure in the explosion-proof shell and further cause catastrophic events.

What is explosion-proof design for Lib vehicles?

The explosion-proof design must be adopted, and the internal pressure of the explosion-proof container must meet the static pressure of 1 MPa. There are three explosion-proof protection technologies for LIB vehicles: Explosion-proof (Ex’d’), intrinsically safe (‘ia’/’ib’) and encapsulation (Ex ‘ma’/’mb’).

Are explosion-proof cells safe?

While the cells enclosed in an explosion-proof box are considered to be safe, there are reports that the thermal runaway propagation from a single cell will ignite the space within the enclosure to a pressure far beyond its limit [12, 18, 19].

What are explosion-protection techniques?

Explosion-protection techniques (also called type of protection or explosion-protected apparatus) are classed under a generic term, which describes the use of particular techniques for constructing electrical apparatus for use in hazardous areas .