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  • What are the reasons for the sulfation of lead-acid battery plates?

    What are the reasons for the sulfation of lead-acid battery plates?

    Apr , 15 2023
    The reasons for plate sulfation are as follows: 1) The initial charging of the battery is insufficient or the initial charging interruption time is long; 2) The battery is insufficiently charged for a long time; 3) Failure to charge in time after discharge; 4) Frequent overcharging or low current deep discharge; 5) If the density of the electrolyte is too high or the temperature is too high, lead ...
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  • Summary of the Design of Power Battery Management system

    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

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

    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

    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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  • Why Choose a Lithium-Ion UPS Battery?

    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

    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

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

    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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  • Lithium-ion battery terms explained

    Lithium-ion battery terms explained

    Aug , 18 2023
    I. Battery voltage (V) 1. Open circuit voltage (OCV) The voltage of the lithium battery when it is not connected to an external circuit or load can generally be tested with a multimeter. 2. Operating voltage (WV) The potential difference between the positive and negative terminals of the battery under applied load, that is, when there is current flowing through the battery in the circuit. When the...
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  • Why choose gel batteries?

    Why choose gel batteries?

    Aug , 22 2023
    The colloidal lead-acid battery is an improvement of the ordinary lead-acid battery with liquid electrolyte. The sulfuric acid electrolyte is replaced by a colloidal electrolyte, and the safety, power storage, discharge performance, and service life are improved compared with the ordinary battery. The colloidal lead-acid battery adopts a gel-like electrolyte; no free liquid is inside. Under the sa...
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  • How do lithium batteries screen distribution groups?

    How do lithium batteries screen distribution groups?

    Sep , 19 2023
    The inconsistency between single batteries often causes problems such as too fast capacity decay and short life during the cycle of battery packs. Improving the consistency of batteries is of great significance to the popularization and application of lithium-ion batteries. 1 Inconsistency analysis Definition of inconsistency The inconsistency of the lithium-ion battery pack means that after the s...
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