Systems and methods for thermal regulation

A system for thermal regulation of an energy storage device, comprising:

• a liquid coolant reservoir configured to contain a liquid coolant;
• a cooling unit in fluid communication with said liquid coolant reservoir and thermal communication with said energy storage device comprising one or more cells, wherein said one or more cells are disposed internal to said cooling unit such that said one or more cells are at least partially submerged within said liquid coolant, and wherein said cooling unit is configured to permit transfer of thermal energy from said one or more cells to said liquid coolant such that at least a portion of said liquid coolant undergoes a phase transition to a vapor coolant;
• a fluid flow line in fluid communication with said cooling unit, wherein said fluid flow line is configured to accept said vapor coolant from said cooling unit;
• and
• a condenser in fluid communication with said fluid flow line and said liquid coolant reservoir, wherein said condenser is configured to permit said vapor coolant to expel thermal energy and undergo phase transition to said liquid coolant.

A method for thermal regulation of an energy storage device, comprising:

• (a) providing an energy storage device comprising one or more cells, a liquid coolant reservoir containing a liquid coolant, a plurality of microchannel evaporators in fluid communication with said liquid coolant reservoir and thermal communication with said energy storage device comprising said one or more cells, a fluid flow line in fluid communication with said plurality of microchannel evaporators, and a condenser in fluid communication with said fluid flow line and said liquid coolant reservoir;
• (b) transferring thermal energy from said one or more cells to said liquid coolant in said plurality of microchannel evaporators such that at least a portion of said liquid coolant undergoes a phase transition to a vapor coolant;
• (c) directing said vapor coolant along said fluid flow line to said condenser;
• and
• (d) using said condenser to permit said vapor coolant to expel thermal energy and undergo phase transition to said liquid coolant, which liquid coolant is directed to said liquid coolant reservoir.

A system for thermal regulation of an energy storage device, comprising:

• a liquid coolant reservoir configured to contain a liquid coolant;
• a plurality of microchannel evaporators in fluid communication with said liquid coolant reservoir and thermal communication with said energy storage device comprising one or more cells, wherein said plurality of microchannel evaporators is configured to permit transfer of thermal energy from said one or more cells to said liquid coolant such that at least a portion of said liquid coolant undergoes a phase transition to a vapor coolant;
• a fluid flow line that is in fluid communication with said plurality of microchannel evaporators, wherein said fluid flow line is configured to accept said vapor coolant from said plurality of microchannel evaporators;
• and
• a condenser in fluid communication with said fluid flow line and said liquid coolant reservoir, wherein said condenser is configured to permit said vapor coolant to expel thermal energy and undergo phase transition to said liquid coolant.

A method for thermal regulation of an energy storage device, comprising:

• (a) providing an energy storage device comprising one or more cells, an evaporator comprising a surface that is in thermal communication with said one or more cells, a fluid flow line in fluid communication with said evaporator, and a condenser in fluid communication with said fluid flow line and said evaporator;
• (b) transferring thermal energy from said one or more cells to said liquid coolant in said evaporator such that at least a portion of said liquid coolant undergoes a phase transition to yield a vapor coolant in a space adjacent to said liquid coolant and disposed away from said surface of said evaporator in thermal communication with said one or more cells;
• (c) directing said vapor coolant along said fluid flow line to said condenser;
• and
• (d) using said condenser to permit said vapor coolant to expel thermal energy and undergo phase transition to said liquid coolant, which liquid coolant is directed to said evaporator.

A system for thermal regulation of an energy storage device, comprising:

• an evaporator configured to contain a liquid coolant and a vapor coolant, wherein said evaporator comprises a surface that is in thermal communication with one or more cells of said energy storage device, and wherein said evaporator is configured to permit transfer of thermal energy from said one or more cells to said liquid coolant such that at least a portion of said liquid coolant in said evaporator undergoes a phase transition to yield a vapor coolant in a space adjacent to said liquid coolant and disposed away from said surface;
• a fluid flow line that is in fluid communication with said evaporator, wherein said fluid flow line is configured to accept said vapor coolant from said space;
• and
• a condenser in fluid communication with said fluid flow line and said evaporator, wherein said condenser is configured to permit said vapor coolant to expel thermal energy and undergo phase transition to said liquid coolant.

A method for thermal regulation of a cable, comprising:

• (a) providing a cable, an isolating unit comprising a liquid coolant inlet and a vapor coolant outlet, a fluid flow line in fluid communication with said isolating unit, and a condenser in fluid communication with said fluid flow line and said isolating unit, wherein said isolating unit is disposed along a long dimension of said cable, and wherein said isolating unit is in thermal communication with said cable along said long dimension;
• (b) transferring thermal energy from said cable to said liquid coolant in said isolating unit such that at least a portion of said liquid coolant undergoes a phase transition to a vapor coolant;
• (c) directing said vapor coolant along said fluid flow line to said condenser;
• and
• (d) using said condenser to permit said vapor coolant to expel thermal energy and undergo phase transition to said liquid coolant, which liquid coolant is directed to said liquid coolant reservoir.

A system for thermal regulation of a cable, comprising:

• an isolating unit comprising a liquid coolant inlet and a vapor coolant outlet, wherein said isolating unit is disposed along a long dimension of a cable, wherein said isolating unit is in thermal communication with said cable along said long dimension, and wherein said isolating unit is configured to permit transfer of thermal energy from said cable to a liquid coolant such that at least a portion of said liquid coolant undergoes a phase transition to a vapor coolant;
• a fluid flow line that is in fluid communication with said isolating unit, wherein said fluid flow line is configured to accept said vapor coolant from said isolating unit;
• and
• a condenser in fluid communication with said fluid flow line and said isolating unit, wherein said condenser is configured to permit said vapor coolant to expel thermal energy and undergo phase transition to said liquid coolant.

A system for thermal regulation of one or more heat emitting devices, comprising:

• one or more restrictors configured to restrict a flow of a liquid coolant through said one or more restrictors;
• one or more cooling interfaces in fluid communication with said one or more restrictors and thermal communication with one or more heat emitting devices, wherein said one or more cooling interfaces are configured to permit transfer of thermal energy from said one or more heat emitting devices to said liquid coolant such that at least a portion of said liquid coolant undergoes a phase transition to a vapor coolant;
• a fluid flow line in fluid communication with said one or more cooling interfaces and said one or more restrictors, wherein said fluid flow line is configured to accept said vapor coolant from said one or more cooling interfaces;
• and
• a condenser in fluid communication with said fluid flow line and said one or more restrictors, wherein said condenser is configured to permit said vapor coolant to expel thermal energy and undergo phase transition to said liquid coolant.