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A vehicular battery system includes a vehicular battery system stack including at least one negative electrode including a form of lithium, an oxygen reservoir having a first outlet operably connected to the vehicular battery system stack, a multistage compressor having a first inlet operably connec

A vehicular battery system includes a vehicular battery system stack including at least one negative electrode including a form of lithium, an oxygen reservoir having a first outlet operably connected to the vehicular battery system stack, a multistage compressor having a first inlet operably connected to the vehicular battery system stack, and a second outlet operably connected to a second inlet of the oxygen reservoir, and a cooling system operably connected to the multistage compressor and configured to provide a coolant to the multistage compressor to cool a compressed fluid within the multistage compressor.

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1. A vehicular battery system comprising: a vehicular battery system stack including at least one negative electrode including a form of lithium;an oxygen reservoir having a first outlet operably connected to the vehicular battery system stack;a multistage compressor having a first inlet operably co

1. A vehicular battery system comprising: a vehicular battery system stack including at least one negative electrode including a form of lithium;an oxygen reservoir having a first outlet operably connected to the vehicular battery system stack;a multistage compressor having a first inlet operably connected to the vehicular battery system stack, and a second outlet operably connected to a second inlet of the oxygen reservoir; anda cooling system operably connected to the multistage compressor and configured to provide a coolant to the multistage compressor to cool a compressed fluid within the multistage compressor. 2. The vehicular battery system of claim 1, wherein the multistage compressor is a multistage rotary compressor. 3. The vehicular battery system of claim 1, wherein: the multistage compressor includes a first compression stage and a second compression stage; andthe cooling system is configured to cool compressed fluid between the first compression stage and the second compression stage. 4. The vehicular battery system of claim 3, wherein: the cooling system includes a vehicle radiator; andthe cooling system is further configured to cool the vehicular battery system stack. 5. The vehicular battery system of claim 4, wherein the multistage compressor is thermally insulated. 6. The vehicular battery system of claim 1, wherein the oxygen reservoir is located within the vehicular battery system stack. 7. The vehicular battery system of claim 1, wherein the oxygen reservoir comprises a tank spatially separated from the vehicular battery system stack. 8. The vehicular battery system of claim 1, further comprising: at least one sensor configured to generate a signal associated with a temperature within the vehicular battery system;a memory; anda processor operably connected to the memory, the at least one sensor, and the cooling system, the processor configured to execute program instructions stored within the memory to: obtain the signal generated by the at least one sensor, andcontrol a flow of the coolant to the multistage compressor based upon the obtained signal. 9. The vehicular battery system of claim 8, wherein: the at least one sensor includes a first sensor located at the second outlet; andthe processor is further configured to execute the program instructions to obtain a first signal generated by the first sensor, andcontrol the flow of the coolant to the multistage compressor based upon the obtained first signal. 10. The vehicular battery system of claim 9, wherein: the multistage compressor includes a first compression stage and a second compression stage;a cooler is located between the first compression stage and the second compression stage;the at least one sensor includes a second sensor located between the first compression stage and the second compression stage; andthe processor is further configured to execute the program instructions to obtain a second signal generated by the second sensor, andcontrol a flow of the coolant to the cooler based upon the obtained second signal. 11. A method of operating a vehicular battery system comprising: charging a vehicular battery system stack including at least one positive electrode including a form of lithium;transferring oxygen formed by charging the vehicular battery system stack to a multistage compressor;compressing the transferred oxygen in a first compression stage of the multistage compressor;compressing the compressed oxygen from the first compression stage in a second compression stage of the multistage compressor;providing coolant to the multistage compressor;cooling the compressed oxygen from the first compression stage with the coolant; andtransferring the compressed oxygen from the second compression stage to an oxygen reservoir operably connected to the vehicular battery system stack. 12. The method of claim 11, wherein compressing the transferred oxygen in the first compression stage of the multistage compressor comprises: compressing the transferred oxygen in a rotary multistage compressor. 13. The method of claim 11, wherein transferring the compressed oxygen from the second compression stage to the oxygen reservoir comprises: transferring the compressed oxygen from the second compression stage to an oxygen reservoir located within the vehicular battery system stack. 14. The method of claim 11, wherein transferring the compressed oxygen from the second compression stage to the oxygen reservoir comprises: transferring the compressed oxygen from the second compression stage to a tank spatially separated from the vehicular battery system stack. 15. The method of claim 11, further comprising: obtaining a signal generated by at least one sensor associated with the vehicular battery system; andcontrolling a flow of the coolant to the multistage compressor with a battery control system based upon the obtained signal. 16. The method of claim 15, further comprising: obtaining a first signal generated by a first of the at least one sensor; andcontrolling the flow of the coolant to the multistage compressor based upon the obtained first signal, wherein the first sensor is located at an outlet of the multistage compressor. 17. The method of claim 16, further comprising: obtaining a second signal generated by a second of the at least one sensor located between the first compression stage and the second compression stage; andcontrolling a flow of the coolant to a cooler located between the first compression stage and the second compression stage. 18. The method of claim 11, further comprising: cooling the compressed oxygen from the second compression stage with the coolant prior to transferring the compressed oxygen from the second compression stage to the oxygen reservoir.