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What is the principle of fast charging of lithium batteries?

Monday, November 21, 2022 7:37:58 PM America/Los_Angeles

Last year, Xiaomi announced 200W power fast charging technology, and it only takes 8 minutes to fully charge a 4000mAh battery.

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What kind of battery do smartphones use?

Sunday, November 6, 2022 8:02:00 PM America/Los_Angeles

Compared with traditional mobile phones, smart phones are updated faster, with more and more functions such as high-definition large screens, high-pixel cameras, face recognition, etc., and the promotion and application of 4G, coupled with the improvement of people's disposable income, the shipment of smart phones continues to grow.

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What are battery tabs?

Monday, October 31, 2022 8:02:00 PM America/Los_Angeles

The tab is a raw material for lithium-ion polymer battery products. For example, mobile phone batteries, Bluetooth batteries, laptop batteries, etc. used in our lives all need to use tabs.

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What are the characteristics of lithium battery separators?

Monday, October 17, 2022 7:52:33 PM America/Los_Angeles

Lithium battery separator is one of the key inner layer components of lithium battery. The performance of the separator determines the interface structure and internal resistance of the battery, which directly affects the capacity, cycle and safety performance of the battery. The separator with excellent performance plays an important role in improving the overall performance of the battery.

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How much does a LiFePO4 battery attenuate at -10 ℃?

Tuesday, September 13, 2022 8:29:34 PM America/Los_Angeles

As one of the current battery types for electric vehicles, LiFePO4 batteries are characterized by relatively stable thermal stability, low production costs, and long service life. However, its low temperature resistance is very low. In the case of -10 ℃, although the battery can be used normally, the charging efficiency will be greatly reduced.

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What is the voltage range of LiFePO4 battery?

Sunday, July 24, 2022 2:05:38 AM America/Los_Angeles

LiFePO4 battery is one of the Lithium battery, Because the cathode materials of LiFePO4 batteries are mainly compounds of phosphorus, acid, iron and lithium. Generally speaking, the voltage range of LiFePO4 battery is basically between 3.2V-3.6V. Among them, the nominal voltage is 3.2V, and the high-level termination charging voltage is 3.6V. However, the positive and negative materials, electrolytes, and production processes used by various manufacturers are different, so there will be differences in performance.

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Lithium manganate battery refers to a battery whose positive electrode uses lithium manganate material. The nominal voltage of lithium manganate battery is 2.5~4.2v. Lithium manganate battery is widely used because of its low cost and good safety. Lithium manganate battery is a cathode material with low cost, good safety and low temperature performance, but the material itself is not very stable, and it is easy to decompose to generate gas, so it is mostly used in combination with other materials to reduce the cost of the cell, but its cycle The lifespan decays rapidly, bulging easily occurs, the high temperature performance is poor, and the lifespan is relatively short. It is mainly used for large and medium-sized batteries. In terms of power batteries, its nominal voltage is 3.7V.

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What are the negative electrode materials for lithium ion batteries?

Sunday, June 12, 2022 8:06:00 PM America/Los_Angeles

The negative electrode of lithium-ion battery is made of carbon or non-carbon materials, adhesives and additives, which are mixed to make a paste adhesive evenly coated on both sides of the copper foil, and then dried and rolled. The cathode material is the main body of lithium-ion battery to store lithium, which makes lithium ions embedded and removed in the process of charging and discharging. From a technical point of view, the cathode materials of lithium-ion batteries will show diversity in the future.

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With the widespread application of ternary lithium batteries, the frequency of new energy vehicle charging misfires is also increasing, and everyone's focus on new energy vehicles has gradually shifted from cruising range to safety.

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Assembly process and installation precautions of lithium battery pack

Monday, May 16, 2022 8:17:00 PM America/Los_Angeles

What matters should be paid attention to when installing? This is a topic that everyone is more concerned about and discussed. Lithium-ion batteries have the advantages of light weight, small volume, large capacity, and no memory effect, so they have been widely used. Many digital devices use lithium-ion batteries as power sources. The following editor will help you explain the assembly process and installation precautions of lithium-ion battery packs.

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