-What is the structural design of the power lithium-ion battery pack?

What is the structural design of the power lithium-ion battery pack?
author:enerbyte source:本站 click288 Release date: 2023-03-21 13:56:47
abstract:
What is a lithium battery pack_ Introduction to Structural Design of Power Lithium Battery Pack (1) The battery monomer can be flexibly selected, and has good safety, which is not prone to ignition and explosion. The specific energy of a small capacity single battery can rea...

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What is a lithium battery pack_ Introduction to Structural Design of Power Lithium Battery Pack

(1) The battery monomer can be flexibly selected, and has good safety, which is not prone to ignition and explosion. The specific energy of a small capacity single battery can reach 140Wh/kg, and its cycle life can reach 1000 times at a charging termination voltage of 4.1V. Compared to the battery pack, the more batteries connected in series, the shorter the cycle life of the battery pack.

(2) Add an automatic fire extinguisher to automatically extinguish the fire after detecting the fire source. The automatic fire extinguishing of the battery box can effectively detect and alarm early fires of lithium ion batteries or supercapacitors in the energy storage device compartment, while achieving automatic fire extinguishing and continuous suppression, and preventing the recurrence of battery and capacitor fires.

(3) A new PUW pressure relief valve is added to the battery pack box to prevent chamber pressure accumulation.

(4) High temperature resistant and flame retardant materials shall be selected for the box and each module. The battery box is made of high-temperature resistant materials, which emit a large amount of heat when operating inside the battery box, while preventing abnormal battery problems. Therefore, it is better to use high-temperature resistant and flame-retardant materials.

What is a lithium battery pack_ Introduction to Structural Design of Power Lithium Battery Pack

A while ago, Tesla designed a waterproof and breathable valve (also known as a PUW pressure relief valve) on the top surface of the front of the PACK when designing the battery pack. It utilizes the volume and quantity difference between gas molecules and liquid and dust particles to allow gas molecules to pass through while liquid and dust cannot, thereby achieving the goal of waterproof and breathable, and preventing water vapor from condensing inside the PACK.

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