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Summary of the Design of Power Battery Management system

Apr , 24 2023

With the increasing number of electric vehicles, battery energy management system is becoming more and more important in addition to looking for batteries with high energy density and high safety. Different power batteries have different properties, and even if the same type of battery properties are inconsistent, in the process of use, there will be the possibility of accidents caused by expansio...

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Charge and discharge theory and calculation method design of lithium battery

May , 13 2023

1 . Production of lithium Ion battery 1 .1 State Of Charge ( state-of-charge; S OC) Soc can be defined as the state of available electrical energy in the battery, usually expressed as a percentage. Because the available electric energy varies with charging and discharging current, temperature, and aging phenomenon, the definition Of the State of Charge is also divided into two types: Absolute stat...

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How to use UPS power supply to maximize its service life?

May , 16 2023

The UPS power supply room should be a room with an empty and anti-static floor. The lightning protection effect should be good. It should be dustproof, moisture-proof and sunscreen. The input voltage should be within the planning. The most reasonable load planning is 30% - 60%. Full load and overload operation will affect the life of UPS. Maintain at least once a year. However, in practice, it is ...

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Negative electrode formula for high temperature performance of lead-acid battery

Jun , 07 2023

Negative electrode formulation for high-temperature performance of lead-acid batteries (containing the first hydrogen evolution inhibitor Bi2O2CO3 and the second hydrogen evolution inhibitor ZnO). The basic formula of the negative electrode (number of weight) is: 100 parts lead powder, 8 ~ 11 parts dilute sulfuric acid, 9 ~ 13 parts deionized water, 0.06 ~ 0.14 parts short fiber, 0.10 ~ 0.20 parts...

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Preparation of reduced graphene oxide loaded lead oxide composites for lead carbon batteries

Jun , 07 2023

Graphene is a new type of two-dimensional structure conductive material, which is composed of a single layer of carbon atoms and its basic structural unit is a six-membered ring structure, which has good chemical stability. Moreover, graphene has a high specific surface area, which not only provides a large reaction interface, but also improves the dispersion of surface nanomaterials. The high con...

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Preparation of lead-reduced graphene oxide nanocomposites and their applications

Jun , 14 2023

The shortcomings of lead-acid batteries are: low energy density and short cycle life. Lead sulfate formed by the negative plate of the lead-acid battery during the discharge process, after the battery is placed, the small particles of lead sulfate will be converted into large particles of lead sulfate, and the large particles of lead sulfate will not be converted into lead during the charging proc...

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Why Choose a Lithium-Ion UPS Battery?

Jun , 21 2023

Although lithium-ion UPS systems have been around for decades, most people have been hesitant to choose this option because they were more expensive. With the onset of advanced battery technology, lithium-ion UPS systems have become much more attractive due to reduced pricing that rivals most standard, lead-acid battery UPS systems. UPS systems feature a state-of-the-art lithium iron phosphate (Li...

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Lithium battery capacity loss cause analysis

Jun , 21 2023

Lithium-ion batteries are the fastest-developing secondary batteries after cadmium-nickel and nickel-hydrogen batteries. Its high-energy properties make its future look bright. However, lithium-ion batteries are not perfect, and their biggest problem is the stability of their charge-discharge cycle. This paper summarizes and analyzes the possible causes of capacity attenuation of Li-ion batteries,...

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Selection of lead carbon-carbon addition

Jun , 30 2023

The influence of chemical properties such as carbon material type and addition amount on battery performance was studied. Several different types of carbon materials (graphite, carbon black, activated carbon, etc.) were selected and tested for their effects on the negative electrode plate with additional amounts ranging from 0.2% to 4%, as well as hydrogen evolution inhibitors and adhesives. And c...

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Exploring the importance of UPS power supply in the composition of computer rooms

Jul , 20 2023

For data centers, faults are inevitable during the operation of the power system. Although the probability of a malfunction occurring is small and the duration is not long, the consequences are often very serious. When a power system malfunctions, the operating state will undergo a sharp change. So the application of a UPS power supply is particularly important for the uninterrupted operation of t...

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Effect of carbon black content on negative electrode performance of lead-acid battery

Aug , 04 2023

VRLA battery is not ideal in electric vehicles because of its short life under deep charge and discharge cycle conditions. In recent years, with the improvement of positive plate grid materials, the cycle life of batteries has been improved, and the main reason for the failure of VRLA batteries for electric vehicles is the sulfation of the negative electrode. To this end, there are more studies on...

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Comparison of N-type and P-type cells for photovoltaic modules

Aug , 18 2023

Photovoltaic cells are classified by substrate material and can be divided into P- and N-type batteries. A P-type battery refers to a battery with a P-type silicon wafer as the substrate, and an N-type battery refers to a battery with an N-type silicon wafer as the substrate. P-type silicon wafers have a simple production process and low cost, while N-type silicon wafers usually have a long life a...

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