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ESTABLISHING METHOD FOR CHARGING PROTOCOL FOR SECONDARY BATTERY AND BATTERY MANAGEMENT SYSTEM FOR SECONDARY BATTERY COMPRISING THE CHARGING PROTOCOL ESTABLISHED BY THE SAME
ESTABLISHING METHOD FOR CHARGING PROTOCOL FOR SECONDARY BATTERY AND BATTERY MANAGEMENT SYSTEM FOR SECONDARY BATTERY COMPRISING THE CHARGING PROTOCOL ESTABLISHED BY THE SAME
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机译：二次电池充电协议的建立方法以及包括由相同协议建立的充电协议的二次电池的电池管理系统
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摘要
The present invention relates to a method for establishing a charging protocol of a lithium secondary battery and a system for managing a battery with a charging protocol established in a method. The method comprises the steps of: (1) measuring an SOC value when a potential of cathode electrode reaches a reference value when charged at different charging currents by preparing a three-electrode cell having anode, cathode, and reference electrodes; (2) preparing a two-electrode cell having the anode and cathode electrodes and measuring a potential of the two-electrode cell at the SOC value measured in the step (1); (3) using the potential of the two-electrode cell measured in the step (2) to map a voltage map of the two-electrode cell corresponding to each SOC; and (4) creating a charging protocol using the potential map.
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