Lithium ion rapid charging system and method

Details Lithium ion rapid charging system and method Lithium ion rapid charging system and method

2007-06-05

2007-06-05

Easthom, Karl (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

Pulsed

C320S139000, C324S431000

Reexamination Certificate

active

10405830

ABSTRACT:
The present invention discloses a method and system for the rapid charging of a lithium-ion battery. A charging algorithm is applied to modify a charging pulses frequency, duty cycle and amplitude depending on the measurement of the battery temperature. The charging algorithm is based on the chemical Diffusion Coefficient of the battery, with this Diffusion Coefficient, in turn, dependent on the type of solvent system, the type of electrolyte, and the temperature of the battery.

REFERENCES:
patent: 5767659 (1998-06-01), Farley
patent: 6160382 (2000-12-01), Yoon et al.
patent: 6232750 (2001-05-01), Podrazhansky et al.
patent: 6456042 (2002-09-01), Kwok
patent: 6480003 (2002-11-01), Ugaji et al.

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