Abstract:
Provided are battery coupling systems. The system may comprise a first terminal electrically coupled to a vehicle electrical system; and a first contactor electrically coupled to a first battery connection of a battery and the first terminal, the first contactor comprising a first solid state switch for selectively coupling and decoupling the first battery connection to and from the first terminal, using a first control signal. The system may also comprise a second terminal electrically coupled to the vehicle electrical system; and a second contactor electrically coupled to a second battery connection of the battery and the second terminal, the second contactor comprising a second solid state switch for selectively coupling and decoupling the second battery connection to and from the second terminal, using a second control signal.
Abstract:
Provided are systems for vehicle energy storage having parallel cooling comprising a plurality of modules. Each module may comprise two half modules coupled together. Each half module can include a plurality of battery cells. A current carrier of each half module may be electrically coupled to the cells. The cells may be disposed between the current carrier and a plate. Each half module can have the cells, current carrier, and blast plate disposed in an enclosure. The enclosure can have a coolant sub-system for circulating coolant in parallel to the plurality of cells such that each of the battery cells is at approximately the same predetermined temperature. The modules may be disposed in a tray. A coolant system may be provided for circulating coolant across the plurality of modules in parallel such that each of the modules can be maintained at approximately the same predetermined temperature.
Abstract:
Provided are cooling subsystems for a vehicle energy-storage system comprising a heat pipe disposed between two battery modules, the heat pipe being thermally coupled to each of a plurality of cells of the two battery modules at an end of each cell. The heat pipe comprises an envelope and a working fluid, the heat pipe transferring heat from the plurality of cells. Optionally, the cooling subsystem further includes a heat exchanger thermally coupled to the heat pipe, the heat exchanger receiving heat from the heat pipe.
Abstract:
A current carrier may include a circuit board that may be connected to a plurality of battery cells. Each of the battery cells may include a first end, an anode terminal on the first end, and a cathode terminal on the first end of the battery cell. Each battery cell may be positioned so that the first end of each of the plurality of battery cells is oriented in the same direction. The circuit board may include a first layer. The first layer may include a first group of positive contacts that may be electrically connected to cathode terminals of a first group of battery cells among the plurality of battery cells. The circuit board may also include a second layer. The second layer may include a first group of negative contacts that may be electrically connected to anode terminals of the first group of battery cells.
Abstract:
Provided are current carriers for vehicle energy-storage systems comprising: a positive power plane; a negative power plane; a dielectric isolation layer disposed between the positive power plane and the negative power plane; a plurality of positive contacts formed in the positive power plane, the positive contacts being for electrical coupling to a respective cathode terminal of each battery cell of a plurality of battery cells; and a plurality of negative contacts formed in the negative power plane, the negative contacts being for electrical coupling to a respective anode terminal of each battery cell of the plurality of battery cells.
Abstract:
Provided are battery coupling systems. The system may comprise a first terminal electrically coupled to a vehicle electrical system; and a first contactor electrically coupled to a first battery connection of a battery and the first terminal, the first contactor comprising a first solid state switch for selectively coupling and decoupling the first battery connection to and from the first terminal, using a first control signal. The system may also comprise a second terminal electrically coupled to the vehicle electrical system; and a second contactor electrically coupled to a second battery connection of the battery and the second terminal, the second contactor comprising a second solid state switch for selectively coupling and decoupling the second battery connection to and from the second terminal, using a second control signal.
Abstract:
Provided are systems for vehicle energy storage having parallel cooling comprising a plurality of modules. Each module may comprise two half modules coupled together. Each half module can include a plurality of battery cells. A current carrier of each half module may be electrically coupled to the cells. The cells may be disposed between the current carrier and a plate. Each half module can have the cells, current carrier, and blast plate disposed in an enclosure. The enclosure can have a coolant sub-system for circulating coolant in parallel to the plurality of cells such that each of the battery cells is at approximately the same predetermined temperature. The modules may be disposed in a tray. A coolant system may be provided for circulating coolant across the plurality of modules in parallel such that each of the modules can be maintained at approximately the same predetermined temperature.
Abstract:
Provided are battery modules. Each module may comprise an enclosure having a base, the base having a plurality of first holes disposed therein, the enclosure including a coolant input port, a coolant output port; the enclosure having a coolant sub-system for circulating coolant being directed into the enclosure through the coolant input port and the plurality of first holes and out of the enclosure through the coolant output port; a center divider affixed to the enclosure; a module cover coupled to the enclosure at an opposite end of the module from the center divider; a retainer disposed within the enclosure and configured to support a plurality of cells; a current carrier disposed between the module cover and the retainer; and the plurality of cells disposed between the current carrier and the center divider, the cells being coupled to and supported by the retainer.
Abstract:
Provided are cooling subsystems for energy-storage systems comprising: a coolant section having a coolant circulated therein; a non-coolant section having a fluid other than the coolant disposed therein; a plurality of battery cells having a coated portion and a non-coated portion, the coated portion being disposed in the coolant section, and the non-coated portion being disposed in the non-coolant section. Some embodiments may also comprise a retainer disposed between the coolant section and the non-coolant section, the retainer holding the plurality of battery cells, the retainer forming a seal around the plurality of battery cells, the seal preventing the flow of coolant from the coolant section to the non-coolant section.
Abstract:
Provided are cooling subsystems for a vehicle energy-storage system comprising a heat exchanger disposed between two battery modules. The heat exchanger can be thermally coupled to each of a plurality of cells of the battery modules at an end of each cell and fluidly coupled to a coolant system, the heat exchanger transferring heat from the plurality of cells.