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  • Damage of lithium battery caused by overcharge and discharge

    Damage of lithium battery caused by overcharge and discharge

    Apr , 24 2023
    The cathode materials of lithium-ion batteries are usually composed of active compounds of lithium, while the negative electrodes are carbon with special molecular structure. The main components of the common cathode materials are licoo2/LiFePO4, etc. When charging, the potential added to the battery poles forces the positive compounds to release lithium ions and embed the anode molecules into the...
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  • Research on Safety problems and Solutions of Lithium Battery

    Research on Safety problems and Solutions of Lithium Battery

    Apr , 24 2023
    I. the danger of lithium-ion batteries. Lithium-ion battery is a potentially dangerous chemical power source because of its own chemical characteristics and system composition. (1) high chemical activity. Lithium is the main group element of the second cycle of the periodic table, which has extremely active chemical properties. (2) High energy density. The specific energy of lithium-ion battery is...
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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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  • Self-discharge measurement of lithium batteries: resting and dynamic measurement methods

    Self-discharge measurement of lithium batteries: resting and dynamic measurement methods

    Jun , 14 2023
    The measurement methods of self-discharge of lithium-ion batteries are mainly divided into two categories: 1) static measurement method, which obtains the self-discharge rate by standing the battery for a long time; 2) Dynamic measurement method to realize the parameter identification of the battery in the dynamic process. Static measurement method At present, the mainstream self-discharge measure...
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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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  • 7 Factors to Examine While Choosing a Lithium-Ion Battery Charger

    7 Factors to Examine While Choosing a Lithium-Ion Battery Charger

    Jul , 20 2023
    From confirming an acceptable input voltage to features like protection design and safe charging mode, these factors can help you select the right lithium-ion battery charger 1. Acceptable Input Voltage An input higher than the voltage sustenance capacity of the charger may cause damage to its internal components. Most countries use a battery charger design of the universal global voltage 110-230V...
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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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