The disclosure provides a battery module. The battery module comprises: a frame having an accommodation space; and a plurality of batteries successively arranged in the accommodation space in a thickness direction of the battery, wherein a partition is arranged between adjacent batteries, wherein the partition has a compressibility and a coefficient of compressibility δ.sub.1 at a pressure equal to or smaller than 2 MPa, which meets a relation C.sub.0×δ.sub.1≤A.sub.0×0.2, wherein C.sub.0 is an initial thickness of the partition, and A.sub.0 is an initial thickness of the battery.

The present application provides a heat-exchanging component, a method for manufacturing the heat-exchanging component, a system of manufacturing the heat-exchanging component, a battery and an electricity-consuming apparatus. The heat-exchanging component provided by the embodiments of the present application includes a first plate body and two second plate bodies. The first plate body includes a first main body, a first convex portion and a second convex portion, and the first convex portion and the second convex portion protrude from a surface of the first main body away from the accommodating space; in a thickness direction of the first main body, a size of the first convex portion protruding from the first main body is smaller than a size of the second convex portion protruding from the first main body; the first flow passage is formed inside the first convex portion.

A battery pack includes a battery stack including a plurality of battery cells and a case member in which the battery stack is housed. The case member includes an end wall part located on one end of the battery stack in a stacking direction and continuously integrated with a floor part, and a mounting-shape part located on an opposite end from the end wall part and configured to mount a panel-shaped member. The battery stack is retained in the case member while being held by compression between the end wall part and the end panel on the other end. The end panel is pressed against the mounting-shape part in a direction away from the end wall part by compression reaction force of the battery stack, and fixed therein.

An electrochemical cell module includes a housing including a main surface plate having a first surface with a first recess and a side plate in contact with the main surface plate, an electrochemical cell located in the housing, being plate-like, and having a main surface, a pressure plate located in the housing, facing the first surface, and being in contact with the main surface, and a spring received in the first recess to urge the pressure plate and the main surface plate.

A battery pack, a vehicle and an energy storage device. The battery pack includes at least one battery sequence. The battery sequence includes a plurality of batteries. At least one of the batteries includes a casing and a core packaged in the casing. A gap exists between two neighboring batteries. A ratio of the gap to the thickness of the battery is c, and c satisfies the following relational expression: (a−b)<c<(a×t), where a represents an expansion rate of the battery; b represents a compression rate of the core; and t represents a ratio in percentage of a thickness of the battery after effective compression to a thickness of the battery before compression.

A power storage module includes: a plurality of power storage devices; a pair of end plates disposed at both ends of the plurality of power storage devices, the end plate including at least a first member and a second member separated from each other; and a binding member including a body part and coupling arms that extend from the body part and are coupled to the pair of end plates, the binding member binding the plurality of power storage devices. The first member includes fixing parts to which the coupling arms are fixed. The second member includes a pressure receiving part that is interposed between the first member and the power storage device and is in direct or indirect contact with the power storage device, and pressing parts that are in direct or indirect contact with base parts of the coupling arms.

A system for state determination of a battery module configured for use in an electric vehicle. The system including a battery module including at least a battery cell, a sensor including a proximity sensor configured to detect a status datum corresponding to the battery module, a processor configured to receive the status datum from the sensor, generate a charge datum as a function of the status datum corresponding to the battery module, generate a health datum as a function of the status datum corresponding to the battery module, transmit the charge datum and the health datum, and a display configured to receive the charge datum and the health datum corresponding to the battery cell, and display the charge datum and the health datum corresponding to the battery cell.

A pair of end plates are disposed at both end surfaces of a battery stack in which the plurality of battery cells are stacked, end plates are coupled to a bind bar, the battery stack is sandwiched between the end plates to be held, an elastic sheet that is elastically deformable in a thickness direction is disposed in a compressed state between the bind bar and a facing side surface of the battery stack, and the elastic sheet in the compressed state elastically holds the battery stack and the bind bar in a pressurized state.

A manufacturing apparatus 100 includes a protruding portion molding member disposition mechanism 90, a tension damper 70, as well as an acceleration device 80, a metal roller 30 and a rubber roller 40, and a cutting mechanism 50 which serve as a laminating mechanism. A separator web 20 and an electrode web 10 are joined having the protruding portion molding member 35 interposed therebetween while the separator web 20 is bent at the portion where the protruding portion molding member 35 has been disposed, to laminate the separator web 20 and the electrode web 10.

A method of setting a cell pressure range includes based on performance data of a secondary battery cell, determining, as Pcell_min, a minimum pressure for realizing performance of the secondary battery cell, and determining, as Pcell_max, a maximum pressure for realizing performance of the secondary battery cell; and a second operation of determining, as Pmodule_min, a minimum pressure at which a cell stack may be supported and fixed, and determining, as Pmodule_max, a maximum pressure at which the cell stack may be pressed without damage to a module housing in end of life (EOL) of secondary battery cells, wherein an intersection range of the Pcell_min to the Pcell_max and the Pmodule_min to the Pmodule_max is set as the cell pressure range.