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Foreign matter control on lithium ion battery production site

Foreign matter control on lithium ion battery production site

There are two basic processes of internal short circuit of battery caused by metal foreign matters, as shown in Figure 1. In the first case, large metal particles directly pierce the diaphragm, causing a short circuit between the positive and negative electrodes, which is a physical short circuit.

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How long is the rechargeable battery with the most battery life?

How long is the rechargeable battery with the most battery life?

Electric energy is an indispensable form of energy in the development of modern civilization, so batteries have become an indispensable necessity in human production and life.

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Relevant technical development trend of lithium battery electrolyte 5 New trend analysis

Relevant technical development trend of lithium battery electrolyte 5 New trend analysis

The electrolyte is a conductive ionic conductor between the positive pole and the positive pole of the battery. It is composed of electrolyte lithium salt, high-purity organic solvent, necessary additives and other raw materials in a certain proportion. It plays an important role in the energy densi......

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Why did BYD decide to replace lithium iron phosphate battery with ternary battery?

Why did BYD decide to replace lithium iron phosphate battery with ternary battery?

As is known to all, BYD started from lithium iron phosphate battery and has stuck to this field for a long time. However, a statement recently issued by BYD was a surprise.

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How did the lithium battery, which is indispensable in daily life, come from?

How did the lithium battery, which is indispensable in daily life, come from?

When it comes to batteries, everyone is familiar with them. In today's era, batteries have become a necessity of life. People can not live without batteries.

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What is the charging and discharging principle of lithium iron phosphate battery?

What is the charging and discharging principle of lithium iron phosphate battery?

Lithium iron phosphate battery is a lithium ion battery with lithium iron phosphate (LiFePO4) as the cathode material and carbon as the cathode material. The rated voltage of the single battery is 3.2V, and the charging cut-off voltage is 3.6V~3.65V.

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