Autonomous Battery Control and Optimization

Kandler Smith (Inventor), Regan Zane (Inventor), Michael Evzelman (Inventor), Daniel Costinett (Inventor), Dragan Maksimovic (Inventor), Richard Anderson (Inventor), Michael Trimboli (Inventor), Gregory Plett (Inventor)

Research output: Patent


An apparatus includes a battery state module that determines a battery state of each of a plurality of battery cells forming a battery unit. A battery state includes a health of the battery cell. A battery state of a battery cell differs from a battery state of other battery cells of the battery unit. Each battery cell is connected to a shared bus through a bypass converter that provides power from the battery cell to the shared bus. A charge/discharge modification module determines, based on battery state, an amount to vary a charging characteristic for each battery cell compared to a reference charging characteristic. Each charging characteristic varies as a function of a reference state. A charge/discharge module adjusts charging/discharging of a battery cell of the battery unit based on the charging characteristic of the battery cell.
Original languageAmerican English
Patent numberUS 10,277,041 B2
Filing date30/04/19
StatePublished - 2019

NREL Publication Number

  • NREL/PT-5400-73870


  • battery
  • charge
  • charging characteristics
  • discharge


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