Thermally triggered adhesive release for battery service
AssigneeGM Global Technology Operations LLC
InventorSimon James Hammond Trask
Life of this patent
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Abstract
Aspects of the disclosure include systems and methods for leveraging a thermally triggered adhesive release for battery service. An exemplary method can include receiving a battery pack having an adhesive layer at an interface between a cooling plate and a component. A heating fluid is directed through an enclosed volume of the cooling plate and a temperature of the adhesive layer is measured. Responsive to determining that the temperature has reached a target temperature, a load is applied to the component until the component is removed.
Claims17
A vehicle comprising:
- an electric motor;
- a battery pack electrically coupled to the electric motor;
- and
- a thermal management system coupled to the battery pack, the thermal management system comprising a cooling plate, an upper tray, and a lower tray joined to opposite surfaces of the cooling plate to define an enclosed volume therebetween, the thermal management system further comprising:
- a memory, computer readable instructions, and one or more processors for executing the computer readable instructions, the computer readable instructions controlling the one or more processors to perform operations comprising:
- heating an adhesive layer for removal by modifying at least one of a flowrate and a temperature of a heating fluid through the enclosed volume;
- measuring a temperature of an adhesive layer coupled to the cooling plate and a component of the battery pack;
- while the adhesive layer is being heated for removal:
- measuring, separately from a temperature of the adhesive layer, a temperature of the component;
- and
- decreasing a flow rate of the heating fluid responsive to the temperature of the component exceeding a thermal limit;
- and
- responsive to determining that the temperature has reached a target temperature selected based at least in part on the temperature of the component, applying a load to the component until the component is removed.
A thermal management system comprising:
- a cooling plate, an upper tray, and a lower tray joined to opposite surfaces of the cooling plate to define an enclosed volume therebetween;
- and
- a memory, computer readable instructions, and one or more processors for executing the computer readable instructions, the computer readable instructions controlling the one or more processors to perform operations comprising:
- heating an adhesive layer for removal by modifying at least one of a flowrate and a temperature of a heating fluid through the enclosed volume;
- measuring a temperature of an adhesive layer coupled to the cooling plate and a component of a battery pack;
- while the adhesive layer is being heated for removal:
- measuring, separately from a temperature of the adhesive layer, a temperature of the component;
- and
- decreasing a flow rate of the heating fluid responsive to the temperature of the component exceeding a thermal limit;
- and
- responsive to determining that the temperature has reached a target temperature selected based at least in part on the temperature of the component, applying a load to the component until the component is removed.
A method for thermally triggering an adhesive release for battery service, the method comprising:
- receiving a battery pack comprising an adhesive layer at an interface between a cooling plate and a component;
- heating an adhesive layer for removal by directing a heating fluid through an enclosed volume of the cooling plate;
- measuring a temperature of the adhesive layer;
- while the adhesive layer is being heated for removal:
- measuring, separately from a temperature of the adhesive layer, a temperature of the component;
- and
- decreasing a flow rate of the heating fluid responsive to the temperature of the component exceeding a thermal limit;
- and
- responsive to determining that the temperature has reached a target temperature selected based at least in part on the temperature of the component, applying a load to the component until the component is removed.
Dependencies are inferred from the claim text.