Fast charge mode for extended trip
First Claim
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1. A fast-charging system for a rechargeable energy storage system, comprising:
- a fast-charge prediction system identifying an upcoming fast-charge event for the rechargeable energy storage system;
an environment control system coupled to the energy storage system controlling a temperature environment of the energy storage system responsive to a first operational profile using said temperature environment to adjust a temperature of the energy storage system to a first temperature target of a standard operating temperature; and
a manager setting a second operational profile for said environment control system responsive to said upcoming fast-charge event, said second operation profile using said temperature environment to adjust said temperature of the energy storage system to a second temperature above said standard operating temperature.
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Abstract
A system and method for early identification of an impending fast-charge or fast-charge opportunity and use of that information to prepare the battery cells for the fast-charge.
20 Citations
19 Claims
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1. A fast-charging system for a rechargeable energy storage system, comprising:
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a fast-charge prediction system identifying an upcoming fast-charge event for the rechargeable energy storage system; an environment control system coupled to the energy storage system controlling a temperature environment of the energy storage system responsive to a first operational profile using said temperature environment to adjust a temperature of the energy storage system to a first temperature target of a standard operating temperature; and a manager setting a second operational profile for said environment control system responsive to said upcoming fast-charge event, said second operation profile using said temperature environment to adjust said temperature of the energy storage system to a second temperature above said standard operating temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A fast-charging method for an energy storage system, comprising:
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a) identifying an upcoming fast-charge event for the rechargeable energy storage system; b) controlling a temperature environment for the energy storage system responsive to a first operational profile using said temperature environment to adjust a temperature of the energy storage system to a first temperature target for a standard operating temperature; and c) setting a second operational profile for said environment control system responsive to said upcoming fast-charge event, said second operation profile using said temperature environment to adjust said temperature to a second temperature above said standard operating temperature. - View Dependent Claims (11, 12)
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13. A charging system for a rechargeable energy storage system of an electric vehicle having an electric propulsion motor, comprising:
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a charge prediction system identifying an upcoming charge event for the rechargeable energy storage system, said charge prediction system predicting one of a fast-charge event and a non-fast-charge event for said upcoming charge event; an environment control system coupled to the energy storage system controlling a temperature environment of the energy storage system responsive to a first operational profile using said temperature environment to adjust a temperature of the energy storage system to a first temperature target of a standard operating temperature; and a manager setting a second operational profile for said environment control system responsive to said upcoming fast-charge event, said second operation profile using said temperature environment to adjust said temperature of the energy storage system to a second temperature above said standard operating temperature when said upcoming charge event includes said fast charge event, otherwise said manager maintaining said first operational profile for said environment control system when said upcoming charge event includes said non-fast-charge event. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification