Electrical power system with relatively-low voltage input and me

Details Electrical power system with relatively-low voltage input and me Electrical power system with relatively-low voltage input and me

1999-05-25

2000-08-08

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

H01M 1046

Patent

active

061006653

ABSTRACT:
A preferred embodiment of the electrical power system with relatively-low voltage input includes a power source, i.e. a fuel cell, battery, solar cell, etc, that is configured to provide a first output voltage which is lower than the battery output voltage of a rechargeable battery to be charged. A voltage multiplier circuit is electrically interconnected to the power source and is configured to removably electrically interconnect with the rechargeable battery during charging. The voltage multiplier circuit is configured to receive the first output voltage from the power source, convert the first output voltage to a boosted voltage and provide the boosted voltage to the rechargeable battery. In order to facilitate the recharging of the rechargeable battery, the boosted voltage is provided at a voltage which is at least equal to the battery output voltage.

REFERENCES:
patent: 3823358 (1974-07-01), Rey
patent: 4670702 (1987-06-01), Yamada et al.
patent: 4839574 (1989-06-01), Takabayashi
patent: 5051881 (1991-09-01), Herold
patent: 5139894 (1992-08-01), Mizuno et al.
patent: 5399956 (1995-03-01), DeLuca et al.
patent: 5526253 (1996-06-01), Duley
patent: 5568035 (1996-10-01), Kato et al.
patent: 5625544 (1997-04-01), Kowshik et al.
patent: 5759712 (1998-06-01), Hockaday

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