A method for assembling a thermal battery. The method including: arranging a plurality of tubes into a cylindrical shape; connecting the plurality of tubes to each other; attaching a first plate to a first end of the connected plurality of tubes into corresponding holes in the first plate; providing an initiation device to the first end of each of the plurality of tubes; filling each of the plurality of tubes from a second end with an exothermic material; assembling thermal battery components inside the connected plurality of tubes; connecting terminal wires to the thermal battery components; and connecting the second end of the connected plurality to a second plate.

An electrochemical-type power supply source for use in marine environment, is provided with: an electrochemical stack, which generates electric power in the presence, internally, of an electrolytic fluid; a first tank, designed to contain electrolytic fluid at a first temperature; a second tank, designed to contain electrolytic fluid at a second temperature, lower than the first temperature; a thermostatic valve, that mixes electrolytic fluid at a lower temperature with electrolytic fluid at a higher temperature, for generating a mixed electrolytic fluid to be introduced into the electrochemical stack at a controlled temperature for generating a desired electric power. The electrochemical power supply is further provided with an auxiliary tank, adapted to contain electrolytic fluid at a third temperature, higher than the first temperature; and the thermostatic valve is connected to the auxiliary tank and receives, at an input, the electrolytic fluid at the third temperature.

An apparatus may include a plurality of cells surrounded by a plurality of heat generating material. The plurality of heat generating material are configured to release heat to each of the plurality of cells causing discharge from each of the plurality of cells in a low temperature environment.

A thermal battery including: a battery core; and a load-bearing structure at least partially surrounding the battery core. The load-bearing structure including: a plurality of tubes arranged adjacent to one another and connected to at least one adjacent tube of the plurality of tubes; and an exothermic material disposed in the plurality of tubes. The load-bearing structure can include one or more initiation devices for initiating the exothermic material. The plurality of tubes can be compressed in a cross-section to compact the exothermic material disposed on the plurality of tubes. A thermal isolation material can also be disposed at one or more ends of the plurality of tubes.

An insulation detection device and an insulation detection method for a cooling plate of a battery pack are provided. The device includes a detection position for placing the cooling plate of the battery pack, conductive cotton, a first conductive element, a second conductive element, and an insulation detector. The cooling plate of the battery pack is hollow, and an outer surface of the cooling plate of the battery pack is coated with an insulation coating. The conductive cotton is arranged in the detection position for wrapping the cooling plate of the battery pack. The first conductive element is connected to an inner wall of the cooling plate of the battery pack. The second conductive element is connected to the conductive cotton. A first end of the insulation detector is connected to the first conductive element, and a second end of the insulation detector is connected to the second conductive element.

An electric vehicle includes a power supply placed under a floor panel, a cooler placed under the power supply, a heat transfer material that is sandwiched and compressed between the power supply and the cooler, a protective board that has higher rigidity than the cooler, and is attached to a bottom of the power supply, to cover the cooler from an underside, and an elastic body that is sandwiched and compressed between the cooler and the protective board.

Embodiments described herein relate to electrochemical cells and electrochemical cell systems with thermal insulation systems, and methods of producing the same. An electrochemical cell can include an anode material disposed on an anode current collector, a cathode material disposed on a cathode current collector, a separator disposed between the anode material and the cathode material, and an insulating structure disposed around and containing the anode material, anode current collector, cathode material, cathode current collector, and the separator. The anode material and/or the cathode material includes a semi-solid electrode material. The semi-solid electrode material includes an active material and a conductive material in a liquid electrolyte. The liquid electrolyte has an electrolyte salt concentration of at least about 2.0 M. In some embodiments, the insulating structure includes a frame with a first wall and a second wall disposed therein.

An apparatus may include a plurality of cells surrounded by a plurality of heat generating material. The plurality of heat generating material are configured to release heat to each of the plurality of cells causing discharge from each of the plurality of cells in a low temperature environment.

A heat exchanger such as a cold plate or ICE plate has an integrated electric heating element provided on an external heater support surface of the heat exchanger. The external heater support surface is directly opposite to an internal surface of the heat exchanger which at least partly defines one or both of the inlet manifold and the outlet manifold. A thermal management system for a vehicle having a plurality of rechargeable battery units includes a circulation loop for circulating a first volume of the heat transfer fluid, and a plurality of battery heat exchangers, including a first heat exchanger with an integrated electric heating element. A sub-loop of the circulation loop includes the internal fluid flow passage of the first heat exchanger, and is adapted for a second, smaller volume of the heat transfer fluid.

A heat exchanger such as a cold plate or ICE plate has an integrated electric heating element provided on an external heater support surface of the heat exchanger. The external heater support surface is directly opposite to an internal surface of the heat exchanger which at least partly defines one or both of the inlet manifold and the outlet manifold. A thermal management system for a vehicle having a plurality of rechargeable battery units includes a circulation loop for circulating a first volume of the heat transfer fluid, and a plurality of battery heat exchangers, including a first heat exchanger with an integrated electric heating element. A sub-loop of the circulation loop includes the internal fluid flow passage of the first heat exchanger, and is adapted for a second, smaller volume of the heat transfer fluid.