Method and apparatus for charging a secondary battery by...

Details Method and apparatus for charging a secondary battery by... Method and apparatus for charging a secondary battery by...

H - Electricity

02

J

H02J 7/00 (2006.01)

Patent

CA 2094528

In a method for charging a secondary battery having a positive electrode, a negative electrode, and an electrolyte, a pulsed current is supplied to the secondary battery to make the pulsed current flow between the positive electrode and the negative electrode through the electrolyte to thereby charge the secondary battery. The pulsed current comprises positive pulse current which has a positive pulse amplitude corresponding to a first current density of 1µA/cm2 to 100 mA/cm2 in the positive electrode. However, it may have negative pulse current each following after each positive pulse and having a negative amplitude corresponding to a second current density not greater than a quarter of the first current density.

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