The present invention relates to a battery pack, and more particularly, to a battery pack capable of effectively absorbing heat when thermal runaway occurs within the battery pack due to an event (impact, internal/external short circuit, etc.) within the battery pack, and blocking a heat transfer…
Provided is a battery pack in which the mechanical strength of a container for housing a heat absorbing agent is further improved, and deformation of the container when the heat absorbing agent is housed in the container, and deformation of the container against vibration and impact during normal…
This disclosure describes a battery device with at least two battery cells and a stainless-steel foil pouch located between the battery cells. The stainless-steel foil pouch holds a liquid and heat capacity additives that prevent and/or delay thermal propagation.
This disclosure describes a battery device with at least two battery cells and a stainless-steel foil pouch located between the battery cells. The stainless-steel foil pouch holds a liquid and heat capacity additives that prevent and/or delay thermal propagation.
A battery pack is provided and includes a battery and a heat-absorbing member. The heat-absorbing member includes a heat-absorbing agent and a container housing the heat-absorbing agent. The heat-absorbing member is disposed at a position adjacent to the battery. The container has a cutout.
A heat absorber having an excellent heat absorption property, heat insulation property, and pressure resistance and being capable of changing into a heat insulator in a high temperature range, and a secondary battery module including the heat absorber are provided. The heat absorber includes a bag…
A battery pack includes a cylindrical secondary battery and a heat absorbing member, and an exterior body of the heat absorbing member accommodates a heat absorbing agent between a first inner resin layer L1a and a second inner resin layer. A flange portion of the exterior body has an inner resin…
Batteries including electrochemical cells, associated components, and arrangements thereof are generally described. In some aspects, batteries with phase change materials that can facilitate heat transfer within the battery (e.g., from an electrochemical cell to a component of a housing of the…
Methods and systems are provided for reducing contactor freezing. In one example, a system may include a contactor comprising a set of conductors and a phase change material. The phase change material is coupled to a first conductor of the set of conductors and is not positioned between the set of…
A thermal storage device for batteries is provided. In some examples, the thermal storage device is provided for a battery pack that includes one or more rechargeable battery cells. In some examples, the lithium ion battery cells are used. The thermal storage device is in thermal contact with the…
A thermal storage device for batteries is provided. In some examples, the thermal storage device is provided for a battery pack that includes one or more rechargeable battery cells. In some examples, the lithium ion battery cells are used. The thermal storage device is in thermal contact with the…
An apparatus includes multiple thermal actuator switches configured to control a transfer of thermal energy. The thermal actuator switches are arranged in a stacked configuration. Each switch includes first and second plates and a piston movable between the plates. Each switch also includes a phase…
A battery module comprises a battery sub-module including one or more battery cells, and a barrier disposed to face one side surface of the battery sub-module, in which the barrier includes a rigid member supporting the battery sub-module, and a heat absorbing member accommodated in the rigid…
A method for making a phase change composite (PCC) for a battery pack of a plurality of electrochemical cells. The method includes impregnating a matrix material with a phase change material, and fragmenting the matrix material before or after the impregnating. The fragmented and impregnated matrix…
Disclosed is a battery module, which includes a plurality of battery cells stacked on each other, a module case configured to accommodate the plurality of battery cells, a thermal resin filled in the module case to cover electrode leads of the plurality of battery cells at least partially, a…
Embodiments provide battery cells and/or battery submodules including a phase change material (PCM) for absorbing excess heat that may be released within the battery cell and/or battery submodule. The PCM may be provided in form of a layer within the battery cell in addition to a thermal insulation…
A battery box, supporting structure and insuring thermal management of one or more battery cells allowing a temperature control of said battery cells environment to insure its optimal operational condition, the battery box comprises at least one aluminum hollow profile, wherein said aluminium…
A battery module includes: a plurality of battery cells stacked to face each other; a plurality of cell cartridges stacked to surround the plurality of battery cells; and a plurality of PCM capsules disposed in the cell cartridges and each containing a phase change material (PCM) therein.