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  • Advantages of Nickel-Cadmium Batteries

    Advantages of Nickel-Cadmium Batteries

    May , 31 2024
    Ni-Cd batteries have been around nearly as long as lead-acid. Commercial products have been available since around 19007. Pocket plate designs are typically used for long to high current types, while fiber plates are used for extremely high current short demand applications like engine starting.   While Ni-Cd batteries typically cost many times what a comparable lead-acid does, their characte...
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  • What is a nickel-cadmium battery

    What is a nickel-cadmium battery

    May , 31 2024
    1. Working principle of nickel-cadmium battery Nickel-cadmium batteries are rechargeable batteries that convert chemical energy into electricity through REDOX reactions. It consists of a negative electrode (the negative material is Cd), a positive electrode (the positive material is NiOOH), and an electrolyte (the main component is KOH). 2. Features of nickel-cadmium batteries Long cycle life; Wid...
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  • Differences in communication serial ports

    Differences in communication serial ports

    Jun , 22 2024
    RS-232 and RS-485 are two common serial communication standards, with the following main differences between them: Different transmission methods: RS-232 adopts a single end transmission method, and its data signal is relative to the signal ground, usually used for point-to-point communication; RS-485 adopts differential transmission mode, allowing multiple transceivers to be connected on the bus,...
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  • The difference between the first, second, and third levels of distribution boxes

    The difference between the first, second, and third levels of distribution boxes

    Jun , 22 2024
    What do the primary, secondary, and tertiary boxes of a distribution box mean? This is a relative issue. Let's make a hypothesis: a newly built residential area introduces a 10kV incoming line and builds a distribution room. The outgoing line from the low-voltage end of the transformer is 0.4kV to the distribution cabinet (primary distribution cabinet), then the outgoing line is led to the distrib...
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  • Maximum power point tracking algorithm for photovoltaic power generation

    Maximum power point tracking algorithm for photovoltaic power generation

    Jun , 22 2024
    1. Introduction Photovoltaic power generation is a technology that uses solar energy to convert light energy into electricity. In the photovoltaic power generation system, in order to obtain the maximum power generation power, it is necessary to track the change of solar radiation intensity in real time, and adjust the working state of the photovoltaic module to keep near the maximum power point. ...
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  • Influence of lithium analysis on battery capacity

    Influence of lithium analysis on battery capacity

    Jun , 27 2024
    I. Introduction The phenomenon of lithium evolution is an important problem affecting the capacity of lithium batteries. This article will discuss the impact of lithium analysis on battery capacity with you in detail, and analyze its causes and solutions. Second, the impact of lithium on battery capacity 1. Loss of active lithium ions Lithium evolution causes some of the lithium ions to form lithi...
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  • Analysis and application of charge and discharge curve of lithium battery

    Analysis and application of charge and discharge curve of lithium battery

    Jun , 27 2024
    Abstract: In this paper, the analysis method of charge and discharge curve of lithium battery is introduced in detail, including charge efficiency, discharge characteristics, capacity evaluation, internal resistance evaluation and cycle life evaluation. Through the interpretation of the charge and discharge curve, the performance and characteristics of lithium batteries can be deeply understood, w...
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  • The characteristics and principle analysis of internal resistance of lithium battery

    The characteristics and principle analysis of internal resistance of lithium battery

    Jul , 12 2024
    The internal resistance of the battery is one of the most important characteristic parameters of the battery, which is an important parameter to characterize the battery life and the operating state of the battery, and an important symbol to measure the difficulty of the transmission of electrons and ions in the electrode. The internal resistance also reflects the health of the battery. The intern...
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  • Overvoltage protection and undervoltage protection principle of lithium battery

    Overvoltage protection and undervoltage protection principle of lithium battery

    Jul , 12 2024
    1, lithium battery protection board composition The general lithium battery protection board is composed of a control IC, a MOS tube, a resistance capacitor, and a FUSE, as shown in the following figure 1, overcharge protection principle When the battery is charged, the current (direction shown by the arrow) flows into the positive electrode of the battery pack and flows out of the negative electr...
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  • Installation and fixation of communication cabinets and racks, regular maintenance and auditing

    Installation and fixation of communication cabinets and racks, regular maintenance and auditing

    Aug , 03 2024
    Telecommunications infrastructure is the backbone of our  interconnected world. Behind the scenes, important equipment is stored in cabinets and racks to ensure seamless communication. However, without proper protection, these cabinets may become  vulnerable access points. In this comprehensive guide, we will explore the importance of protecting communication cabinets and  racks, wi...
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  • Effect of electrolyte density and discharge on lead-acid batteries

    Effect of electrolyte density and discharge on lead-acid batteries

    Nov , 29 2024
    (1) Electrolyte density under different geographical and climatic strips. Whether the electrolyte density is high or low, it is necessary to make a specific analysis for the specific situation. Winter temperature is low, the viscosity of the electrolyte is large, it is not easy to penetrate the inside of the plate, the end voltage and capacity of the battery will decline, especially in the strong ...
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  • Irreversible lithium evolution of LiFePO4 batteries at low temperatures and its effect on battery performance degradation

    Irreversible lithium evolution of LiFePO4 batteries at low temperatures and its effect on battery performance degradation

    Dec , 07 2024
    Lithium evolution is the main failure problem faced by lithium-ion batteries during low temperature charging. Due to the low diffusion rate of lithium ions in the solid phase of graphite particles and in the liquid phase of the electrolyte at low temperatures, the negative polarization increases during charging and lithium evolution occurs, and the precipitated lithium metal is divided into revers...
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