Universal quick charging method for chargeable battery
A rechargeable battery and fast charging technology, which is applied to battery circuit devices, energy-saving charging equipment, current collectors, etc., can solve the problems of low charging efficiency, slow charging speed, and reduced battery life, and achieve fast charging speed and high charging efficiency. High, small temperature rise effect
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[0016] Example: As shown in the figure, first measure the open circuit voltage of the battery, and then apply a small current (current less than or equal to 1.5C charging rate) to the battery for a certain period of time (5 milliseconds to 5 minutes long), and then stop charging 0- For 5 minutes, measure the battery voltage when the current is applied, the voltage change during the application of the current, and the open circuit voltage after the application of the current. Combine the above measurements (all or part) to determine whether the battery is damaged or fully charged, and it can also be judged Whether it is a rechargeable battery and the type of battery to be charged. If it is determined that it is the type of battery to be charged and can be charged, the charging current or charging voltage shown in Figure 4 is used for charging. Charge each or a group of different currents for a certain period of time, and then apply small current or zero current for a certain period of
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