In accordance with one embodiment an electrochemical cell system includes a housing, at least one electrochemical cell within the housing and including an anode including a form of lithium, and an ionic liquid electrolyte within a cathode, the cathode separated from the anode by a solid separator im
In accordance with one embodiment an electrochemical cell system includes a housing, at least one electrochemical cell within the housing and including an anode including a form of lithium, and an ionic liquid electrolyte within a cathode, the cathode separated from the anode by a solid separator impervious to the ionic liquid electrolyte, a temperature sensor within the housing, and an environmental controller at least partially positioned within the housing and configured to maintain a temperature within the housing at least 50° C. above ambient based upon input from the temperature sensor.
대표청구항▼
1. An electrochemical cell system, comprising: a housing;at least one electrochemical cell within the housing and including an anode including a form of lithium, and an ionic liquid electrolyte within a cathode, the cathode separated from the anode by a solid separator impervious to the ionic liquid
1. An electrochemical cell system, comprising: a housing;at least one electrochemical cell within the housing and including an anode including a form of lithium, and an ionic liquid electrolyte within a cathode, the cathode separated from the anode by a solid separator impervious to the ionic liquid electrolyte;a temperature sensor within the housing;an environmental controller at least partially positioned within the housing and configured to maintain a temperature within the housing above 70° C. based upon input from the temperature sensor;a memory;program instructions stored within the memory; anda processor operably connected to the memory, the environmental controller, and the temperature sensor, the processor configured to execute the program instructions to obtain a signal from the temperature sensor, andcontrol the environmental controller based upon the signal to maintain the temperature within the housing above 70° C. and below a melting temperature of the form of lithium, wherein the temperature is a temperature of the ionic liquid electrolyte within the cathode. 2. The system of claim 1, wherein the processor is configured to execute the program instructions to maintain the temperature within the housing above 70° C. and below about 120° C. 3. The system of claim 2, wherein the environmental controller comprises: a heat exchanger at least partially positioned within the housing; anda temperature controlled liquid circulating within the heat exchanger. 4. The system of claim 3, wherein the processor is configured to execute the program instructions to maintain the temperature of the temperature controlled liquid at a predetermined temperature set point stored within the memory. 5. The system of claim 2, wherein the ionic liquid electrolyte comprises imidazolium with a lithium bis(trifluoromethanesulfonyl)imide (Li-TFSI) salt. 6. The system of claim 2, wherein the solid separator comprises a solid ceramic Li conductor. 7. The system of claim 2, wherein the solid separator comprises a composite solid ceramic and polymer layer. 8. A method of operating an electrochemical cell system with at least one electrochemical cell within a housing, the at least one electrochemical cell including an anode including a form of lithium, and an ionic liquid electrolyte within a cathode, the cathode separated from the anode by a solid separator impervious to the ionic liquid electrolyte, the method comprising: sensing a temperature within the housing with the temperature sensor;controlling an environmental controller at least partially positioned within the housing based upon the sensed temperature; andmaintaining the temperature within the housing above 70° C. and below a melting temperature of the form of lithium with the controlled environmental controller, wherein the temperature within the housing is a temperature of the ionic liquid electrolyte, and wherein controlling the environmental controller comprises executing program instructions stored within a memory with a processor to:obtain a signal from the temperature sensor with a processor; andcontrol the environmental controller based upon the signal. 9. The method of claim 8, wherein the processor is configured to execute the program instructions to maintain the temperature within the housing above 70° C. and below about 120° C. 10. The method of claim 9, wherein controlling the environmental controller comprises: circulating a temperature controlled liquid within a heat exchanger at least partially positioned within the housing. 11. The method of claim 10, wherein the processor is configured to execute the program instructions to maintain the temperature of the temperature controlled liquid at a predetermined temperature set point stored within the memory. 12. The method of claim 8, wherein maintaining the temperature within the housing above 70° C. and below a melting temperature of the form of lithium comprises: maintaining an ionic liquid electrolyte including imidazolium with a lithium bis(trifluoromethanesulfonyl)imide (Li-TF SI) salt above 70° C. and below a meltdown temperature of the form lithium. 13. The method of claim 8, wherein the solid separator comprises a solid ceramic Li conductor. 14. The method of claim 8, wherein the solid separator comprises a composite solid ceramic and polymer layer.
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