An electrochemical cell includes (a) an anode including a first liquid permeable carbon cloth carbon electrode and a first current collector, (b) a cathode including a second liquid permeable carbon cloth electrode and a second current collector, (c) a separator made from an insulating material, and (d) a current source applying an electrical current to said anode and said cathode.

A temperature detection element is allowed to more accurately detect a temperature of a battery pack. A battery pack includes: a battery cell; a temperature detection element; and a thermally conductive member transferring heat of the battery cell to the temperature detection element.

A battery pack includes a plurality of battery modules, a battery pack case engaged to hold the plurality of battery modules and structured to provide an accommodating space in which the plurality of battery modules are accommodated, wherein the battery pack case includes one or more reinforcing frames structured to partition the accommodating space into subspaces in which the plurality of battery modules are held, one or more protective covers respectively coupled to the one or more reinforcing frames to cover part of each battery module and part of each reinforcing frame, and one or more bus bars coupled to the one or more protective covers and structured to electrically connect the plurality of battery modules.

A battery pack according to an embodiment of the present disclosure includes: a plurality of battery modules; a plurality of heat sinks formed on a lower side of each of the plurality of battery modules; a first flow path that supplies a refrigerant to each of the plurality of heat sinks; and a second flow path that discharges the refrigerant circulated in the plurality of heat sinks, wherein the refrigerant supplied to each of the heat sinks circulates in a space formed between the heat sink and the lower surface of the module frame, respectively.

A battery module according to an embodiment of the present disclosure includes: a battery cell stack in which a plurality of battery cells are stacked; a module frame for accommodating the battery cell stack; and a heat sink formed under the module frame to cool the plurality of battery cells, wherein the heat sink includes a lower plate, a flow path part which is a flowing path for a refrigerant, and a partition wall formed inside the flow path part along the direction in which the flow path part is formed, and wherein the lower plate is coupled to the bottom part of the module frame.

A battery module includes a battery stack, a bottom plate, end plates, and side plates. The battery stack includes battery cells that are arranged in a first direction. The bottom plate covers a bottom surface of the battery stack. The end plates respectively cover first ends of the battery stack. The first ends are disposed in the first direction. The side plates respectively cover second ends of the battery stack. The second ends are disposed in a second direction orthogonal to the first direction. Each of the side plates includes a first coupling protrusion protruding upward of the battery stack. The bottom plate includes a second coupling protrusion protruding downward of the battery stack.

A battery includes a battery cell, a fire prevention chamber, a collection chamber, and an isolation member. The battery cell includes a pressure relief mechanism configured to actuate release of internal pressure of the battery cell in response to the internal pressure or internal temperature of the battery cell reaching a threshold. The fire prevention chamber is configured to accommodate a fire prevention medium and constructed to release the fire prevention medium during actuation of the pressure relief mechanism. The collection chamber is located at a side of the fire prevention chamber farther away from the battery cell and configured to collect emissions from the battery cell during actuation of the pressure relief mechanism. The isolation member is configured to isolate the fire prevention chamber from the collection chamber and constructed to allow passage of the emissions during actuation of the pressure relief mechanism.

A heat insulating material for a battery having appropriate deformability and a battery including the heat insulating material. The heat insulating material for a battery is a heat insulating material for a battery, which is arranged so as to cover a surface included in a battery, the heat insulating material for a battery including: a heat insulating portion that is arranged so as to face the surface of the battery; and a buffering portion that is more deformable by compression than the heat insulating portion, wherein at least part of the buffering portion is arranged at a position closer to the surface of the battery than the heat insulating portion.

A method for manufacturing a battery module, the method including: forming a battery cell stack by stacking a plurality of plate-shaped battery cells parallel and adjacent to each other; accommodating the battery cell stack in a module frame including four plates surrounding at least four surfaces of the battery cell stack; attaching adhesive tapes to perimeters of an injection hole and an observation hole formed in a lower plate among the four plates; injecting a thermal conductive resin solution through the injection hole; and writing injection information of the injecting a thermal conductive resin solution on at least a portion of the adhesive tapes.

A method for manufacturing an all-solid-state battery includes a battery unit producing step, a flattening step, and a stacking step. In the battery unit producing step, a battery unit having a plate shape is produced through a pressing step in which a laminate including at least one each of a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer is pressed in a thickness direction of the laminate with a first pressure. In the flattening step, the battery unit is flattened by pressing the produced battery unit in the thickness direction with a second pressure equal to or lower than the first pressure while heating the battery unit to a temperature equal to or higher than a temperature at which the battery unit softens and is deformed. In the stacking step, a plurality of the flattened battery units are stacked.