| CPC H01M 10/6572 (2015.04) [H01M 10/625 (2015.04); H01M 10/63 (2015.04); H01M 50/209 (2021.01); H01M 10/482 (2013.01); H01M 10/486 (2013.01); H01M 2220/20 (2013.01)] | 11 Claims |
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1. A battery configured to electrically power at least one actuator or to receive electrical energy from at least one actuator onboard an electrically standalone vehicle, the battery comprising at least one battery element the at least one battery element being configured to store or render an electrical energy, the battery also comprising a thermoelectric device electrically connected to the at least one battery element, the thermoelectric device comprising:
a first heat-conductive portion placed in contact with the at least one battery element,
at least one thermoelectric cell, placed in contact with the first heat-conductive portion, the at least one thermoelectric cell being configured to produce a first thermal power, positive or negative according to a first electric intensity flowing through the at least one thermoelectric cell, the first electric intensity being supplied by the at least one battery element,
a second heat-conductive portion placed in contact with the at least one thermoelectric cell and configured to dissipate a second thermal power generated by the at least one battery element,
at least one first sensor configured to measure a temperature of the at least one battery element,
a regulation module, the at least one first sensor being coupled to the regulation module, the regulation module being configured to monitor the first electric intensity according to a target temperature of the at least one battery element, so that a deviation between the temperature measured by the at least one first sensor and the target temperature remains below a predetermined threshold,
wherein the thermoelectric device further comprises:
a second sensor configured to measure an ambient temperature outside the at least one battery element,
at least one third sensor configured to measure a second electric intensity flowing through the at least one battery element, wherein the second sensor and the at least one third sensor are coupled to the regulation module, the regulation module being configured to determine the first electric intensity according to the target temperature, the ambient temperature measured by the second sensor, and the second intensity measured by the at least one third sensor, based on a thermoelectric model of the battery, the thermoelectric model of the battery comprising a model of the at least one battery element, and
the regulation module being configured to implement a temperature regulation method based on an adjustment of minimum and maximum temperature limits of a setpoint temperature of the battery according to the relative humidity ratio of air with respect to the ambient temperature.
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