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Method and apparatus for ultrarapidly charging a battery

  • US 5,801,515 A
  • Filed: 07/30/1997
  • Issued: 09/01/1998
  • Est. Priority Date: 11/28/1994
  • Status: Expired due to Fees
First Claim
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1. A method for rapidly charging a battery comprising coupling to said battery a composite charging current that includes a first pulse train whose frequency is within a range of 0.1 Hz to 60 Hz, a second pulse train whose frequency is within a range of 61 Hz to 5,000 Hz, and a third pulse train of inverted narrow-width pulses whose amplitude is at least three times greater than an amplitude of a combination said first pulse train and said second pulse train;

  • wherein said composite charging current charges without discharging said battery.

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