Residual capacity correction method for battery
First Claim
1. A residual capacity correction method for a battery, comprising the steps of:
- making a count of one cycle each time an accumulated quantity of a charge capacity of a battery reaches a set capacity; and
decreasing a learning capacity by a specified cycle degradation capacity per charge of the one cycle.
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Abstract
In a residual capacity correction method for a battery, a count of one cycle is made each time an accumulated quantity of a charge capacity of a battery reaches a learning capacity of the battery at that time, and the learning capacity is decreased by a specified cycle degradation capacity per charge of the one cycle, alternatively a decreasing rate of the learning capacity is specified as a keeping degradation capacity while a keeping temperature and a residual capacity of the battery are used as parameters, and as a keeping time passes, the learning capacity is decreased by the keeping degradation capacity specified from the keeping temperature and the residual capacity of the battery.
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Citations
12 Claims
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1. A residual capacity correction method for a battery, comprising the steps of:
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making a count of one cycle each time an accumulated quantity of a charge capacity of a battery reaches a set capacity; and
decreasing a learning capacity by a specified cycle degradation capacity per charge of the one cycle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A residual capacity correction method for a battery, comprising the steps of:
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specifying a decreasing rate of a learning capacity as a keeping degradation capacity while a keeping temperature and a residual capacity of the battery are used as parameters; and
decreasing, as a keeping time passes, the learning capacity by the keeping degradation capacity specified from the keeping temperature and the residual capacity of the battery. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification