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Method and device for charging batteries by linearly increasing the charging voltage

  • US 9,537,342 B2
  • Filed: 09/09/2013
  • Issued: 01/03/2017
  • Est. Priority Date: 09/13/2012
  • Status: Active Grant
First Claim
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1. A method for charging batteries, with a predetermined end-of-charge voltage, wherein the charge state of the battery is determined before the charging process and a charging current or a charging voltage is applied to the battery during the charging process over a predetermined charging time, and wherein the charging current is controlled such that the charging voltage is increased linearly between a start-of-charge voltage according to the state of charge of the battery and an end-of-charge voltage over the predetermined charging time.

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