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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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Is it normal for the lithium battery charger to be very hot?

Wednesday, April 20, 2022 2:14:08 AM America/Los_Angeles

When many materials in a lithium battery come into contact with water, a violent chemical reaction occurs, releasing a large amount of thermal energy, which generates heat and burns. The manganese dioxide in the positive electrode of a lithium battery can generate heat with just a small drop of water. When the sulfurous chloride in the lithium battery comes into contact with water, it releases heat energy and produces hydrochloric acid and sulfur dioxide at the same time. If the temperature is too high, it is not normal.The reasons may be as follows:

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What are the lithium battery production equipment and lithium battery materials?

Tuesday, April 5, 2022 7:29:28 PM America/Los_Angeles

Lithium battery equipment is mainly used in each process link of lithium battery production process. Lithium battery materials are mainly composed of four materials: positive electrode material, negative electrode material, separator and electrolyte, in addition to packaging and other parts. Lithium battery equipment is the necessary equipment and infrastructure for the lithium battery manufacturing industry.

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Battery technology is the biggest threshold for the vigorous promotion and development of electric vehicles, and the battery industry is at a stage where the development of lead-acid batteries and traditional lithium batteries is at a bottleneck. The battery industry and even the electric vehicle industry have brought new changes. So which is better, graphene battery or lithium-ion battery? What is the difference between graphene batteries and lithium batteries?

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Reasons and solutions for the battery can't be recharge

Thursday, March 10, 2022 6:39:00 PM America/Los_Angeles

There are two main types of rechargeable batteries on the market: nickel-metal hydride batteries and lithium-ion batteries, and the problem that people are concerned about whether the batteries cannot be charged is mostly for these two types. Batteries of the same type and specification can be connected in parallel, in series and in combination to form assembled batteries with different numbers of cells. As a common phenomenon, people want to understand the reasons behind the failure of batteries and battery packs to charge and seek solutions.

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