A power storage device packaging material including at least a substrate layer, an outer adhesive layer, a barrier layer, and a sealant layer in this order, wherein a difference in linear expansion coefficient at 20 to 150° C. between the substrate layer and the barrier layer is 20×10.sup.−6/° C. or less in both an MD direction and a TD direction.

A power storage device packaging material including at least a substrate layer, an outer adhesive layer, a barrier layer, and a sealant layer in this order, wherein a difference in linear expansion coefficient at 20 to 150° C. between the substrate layer and the barrier layer is 20×10.sup.−6/° C. or less in both an MD direction and a TD direction.

The present invention provides a nickel-plated stainless steel sheet and a method of manufacturing the same. In one embodiment, the nickel-plated stainless steel sheet includes: a stainless steel base plate; and a nickel (Ni) plating layer formed on at least one surface of the steel base plate by electroplating, and the nickel plating layer includes a strike plating layer and a main plating layer which are sequentially laminated on the one surface of the steel base plate.

A battery pack includes battery cells arranged in a first direction, the battery cells each having a main surface, a first surface, and a second surface, main surfaces of battery cells that are adjacent to each other facing each other, and the first surface and the second surface respectively forming both ends of each of the battery cells in a second direction intersecting with the first direction; an insulating cap on the first surface and the second surface of the battery cell, the insulating cap extending from the first surface and the second surface onto a portion of the main surface of the battery cell and insulating the main surfaces of the battery cells adjacent to each other in the first direction; a bus bar on the insulating cap and electrically connecting the battery cells to each other; and a binding frame structurally binding the battery cells to each other.

An energy storage module according to an aspect of the present invention includes: a plurality of energy storage devices each including a case; a glass paper sheet provided between the energy storage devices, brought into contact with the case, and mainly composed of a glass fiber; and a holding member holding the plurality of energy storage devices and the glass paper sheet, wherein the glass paper sheet is compressed between the energy storage devices.

The disclosure relates to the technical field of batteries, and provides a battery, a battery apparatus and a battery pack. The battery includes a battery surface and a pole element. The battery surface is provided with a first recess, and the first recess is used to accommodate the pole element of the other battery. The pole element is arranged on the battery surface and is located outside a range where the first recess is located. By providing the first recess on the battery surface, the pole element of the other battery can be accommodated in the first recess when the batteries are grouped.

The present invention provides a fiber-reinforced aerogel material which can be used as insulation in thermal battery applications. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used in thermal battery applications. The fiber-reinforced aerogel insulation material can be as thin as 1 mm less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a thermal battery by incorporating a reinforced aerogel material into the thermal battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.

A battery case is provided, including a plurality of side plates. A first side plate has the largest area among the plurality of side plates, and at least one first side plate includes a first portion and a second portion. The first portion is a curved surface concave toward inside of the battery case. A three-dimensional coordinate system is established in a first direction, a second direction, and a third direction, and the second direction is perpendicular to the first side plate. A curvature of the first portion is less than a curvature of an ellipsoid, the curvature of the ellipsoid is obtained from an ellipsoid function, and the ellipsoid function is: ((x−a)/i).sup.2+((y−b)/j).sup.2+((z−c)/k).sup.2=1, where, a, b, c, i, j, and k are determined according to coordinates of at least four points that are different from each other, and x, y, and z are coordinates of the three directions of the ellipsoid function.

A battery case is provided, including a plurality of side plates. A first side plate has the largest area among the plurality of side plates, and at least one first side plate includes a first portion and a second portion. The first portion is a curved surface concave toward inside of the battery case. A three-dimensional coordinate system is established in a first direction, a second direction, and a third direction, and the second direction is perpendicular to the first side plate. A curvature of the first portion is less than a curvature of an ellipsoid, the curvature of the ellipsoid is obtained from an ellipsoid function, and the ellipsoid function is: ((x−a)/i).sup.2+((y−b)/j).sup.2+((z−c)/k).sup.2=1, where, a, b, c, i, j, and k are determined according to coordinates of at least four points that are different from each other, and x, y, and z are coordinates of the three directions of the ellipsoid function.

Embodiments of the present disclosure provide a battery, which includes a plurality of energy storage units; and a connecting portion that connects the plurality of energy storage units together in parallel, where the connecting portion is made of a flexible material. The embodiments of the present disclosure further provides a display panel, which includes the above battery and a flexible display module, where the battery is provides on a back side of the flexible display module, the battery is electrically connected with the flexible display module for providing power to the flexible display module.