System and method for charging and discharging a Li-ion battery pack
First Claim
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1. An electrochemical battery system, comprising:
- a plurality of first electrochemical cells;
a memory in which command instructions are stored; and
a processor configured to execute the command instructions to (i) evaluate each of the plurality of first electrochemical cells, (ii) selectively connect a first of the plurality of first electrochemical cells to a power provider based upon the evaluation while selectively isolating a second of the plurality of first electrochemical cells from the power provider based upon the evaluation, (iii) identify an amount of current passed into the first of the plurality of first electrochemical cells while the second of the plurality of first electrochemical cells is isolated, and (iv) reset a 0% state of charge (SOC) threshold for the first of the plurality of first electrochemical cells based upon the amount of current passed into the first of the plurality of first electrochemical cells with the second of the plurality of first electrochemical cells isolated.
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Abstract
An electrochemical battery system in one embodiment includes a plurality of first electrochemical cells, a memory in which command instructions are stored, and a processor configured to execute the command instructions to (i) evaluate each of the plurality of first electrochemical cells, and (ii) selectively connect a first of the plurality of first electrochemical cells to a power provider based upon the evaluation while selectively isolating a second of the plurality of first electrochemical cells from the power provider based upon the evaluation.
23 Citations
19 Claims
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1. An electrochemical battery system, comprising:
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a plurality of first electrochemical cells; a memory in which command instructions are stored; and a processor configured to execute the command instructions to (i) evaluate each of the plurality of first electrochemical cells, (ii) selectively connect a first of the plurality of first electrochemical cells to a power provider based upon the evaluation while selectively isolating a second of the plurality of first electrochemical cells from the power provider based upon the evaluation, (iii) identify an amount of current passed into the first of the plurality of first electrochemical cells while the second of the plurality of first electrochemical cells is isolated, and (iv) reset a 0% state of charge (SOC) threshold for the first of the plurality of first electrochemical cells based upon the amount of current passed into the first of the plurality of first electrochemical cells with the second of the plurality of first electrochemical cells isolated. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electrochemical battery system, comprising:
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a first electrochemical cell; a second electrochemical cell; a memory in which command instructions are stored; and a processor configured to execute the command instructions to (i) evaluate the first electrochemical cell and the second electrochemical cell, (ii) compare a present state of charge (SOC) of the first electrochemical cell with a present SOC of the second electrochemical cell, (iii) preferentially connect the first electrochemical cell to a power provider based upon the comparison while selectively isolating the second electrochemical cell from the power provider based upon the comparison, (iv) identify an amount of current passed into the power provider from the first electrochemical cell, and (v) credit a pecuniary account based upon the amount of current passed into the power provider from the first electrochemical cell. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. An electrochemical battery system, comprising:
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a first electrochemical cell; a second electrochemical cell; a memory in which command instructions are stored; and a processor configured to execute the command instructions to (i) evaluate the first electrochemical cell and the second electrochemical cell, (ii) determine a present state of charge (SOC) of the first electrochemical cell and a present SOC of the second electrochemical cell, (iii) compare the present SOC of the first electrochemical cell with the present SOC of the second electrochemical cell, and (iv) preferentially connect the first electrochemical cell to a power provider based upon the comparison while selectively isolating the second electrochemical cell from the power provider based upon the comparison. - View Dependent Claims (16, 17, 18, 19)
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Specification