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  • What is an off-grid photovoltaic power station?
    What is an off-grid photovoltaic power station? Feb 23, 2022
    An off-grid photovoltaic power station, also known as an independent photovoltaic power station, is a power generation system that operates independently without relying on the power grid. It is mainly composed of solar panels, energy storage batteries, charge and discharge controllers, inverters and other components. The electricity emitted by the solar panel directly flows into the battery and i...
  • Can lithium-ion batteries be charged with solar energy?
    Can lithium-ion batteries be charged with solar energy? May 25, 2022
    Can lithium-ion batteries be charged with solar energy? 1. Lithium-ion batteries can be fully charged with solar chargers 1. The power provided by the solar panel is a 'current limited' power source. The way to achieve the maximum charging power of the solar panel to the lithium-ion battery is: when the total current required for charging the system and the battery exceeds the output current capab...
  • Do you know about lithium-ion batteries?
    Do you know about lithium-ion batteries? Jun 23, 2022
        Lithium-ion batteries are a very complex system with many different decay mechanisms. It is very important to study the battery decay problem. Battery aging mechanisms and their modeling are key scientific issues in the field of battery research. The attenuation of capacity and power may be caused by a variety of complex side reactions. Factors such as the battery's design, productio...
  • What is the depth of discharge of a lithium-ion battery?
    What is the depth of discharge of a lithium-ion battery? Jul 05, 2022
    The depth of discharge of lithium-ion batteries, the factors that limit the depth of discharge of lithium-ion batteries. Since the lithium-ion battery is charged, there must be discharge. In theory, the discharge process of the lithium-ion battery is balanced. When discharging, pay attention to the discharge rate and the depth of discharge. The depth of discharge is the ratio of the discharge amou...
  • What Affects Lithium-Ion Battery First Efficiency（C）?
    What Affects Lithium-Ion Battery First Efficiency（C）? Jul 14, 2022
    What is pre-lithiation? For a full battery, the SEI film formed at the negative electrode interface will consume the lithium ions deintercalated from the positive electrode and reduce the capacity of the battery. If we can find another lithium source outside the positive electrode material, so that the formation of the SEI film consumes the lithium ions of the external lithium source, so that the ...
  • How to evaluate the safety of lithium batteries(B)?
    How to evaluate the safety of lithium batteries(B)? Jul 21, 2022
    2.1 Abuse testing The International Electrotechnical Commission (IEC), Underwriters Laboratories (UL) and the Japan Battery Association (JSBA) initially defined the abuse test for consumer electronics cells, simulating the extreme conditions that cells may encounter when working, usually divided into thermal abuse, Electrical and mechanical abuse. The common thermal abuse is the hot box test, the ...
  • What is the efficient recovery technology of valuable metals from waste lithium-ion batteries（A）?
    What is the efficient recovery technology of valuable metals from waste lithium-ion batteries（A）? Jul 26, 2022
    The high-efficiency recovery technology of valuable metals from waste lithium-ion batteries has become a research hotspot at home and abroad. Aiming at the current status of the recovery technology of valuable metals in waste lithium-ion batteries, this paper introduces the research methods of pretreatment and cathode material treatment in the recovery process of valuable metals, and briefly evalu...
  • What is the efficient recovery technology of valuable metals from waste lithium-ion batteries (B)?
    What is the efficient recovery technology of valuable metals from waste lithium-ion batteries (B)? Jul 28, 2022
    1.3 Separation, Recovery and Utilization of Valuable Metals The recovery and utilization of valuable metals in waste lithium-ion batteries is mainly the recovery of positive active materials. Cathode recycling and processing methods mainly include biological method, high temperature combustion method, acid dissolution method and electrochemical dissolution method. 1.3.1 Biological Law The biologic...
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