Controller for secondary battery
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
Mar 4, 2016
filing date -
Mar 9, 2015
priority date (Note) -
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Abstract
A controller is a controller for a secondary battery for which a lower limit SOC setting value and an upper limit SOC setting value are set in advance and that is used in a use potential width determined by the lower limit SOC setting value and the upper limit SOC setting value. This controller is configured to: compute a post-deterioration positive electrode use minimum potential that is shifted from an initial positive electrode use minimum potential to a high potential side due to the deterioration of the secondary battery; and reset the lower limit SOC setting value to a value that is lower than the lower limit SOC setting value set in advance and that is higher than the SOC 0% in accordance with a shift amount as a difference between the post-deterioration positive electrode use minimum potential and the initial positive electrode use minimum potential.
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