Disclosed is a battery pack, which includes a battery module having a plurality of battery cells; a pack housing configured to accommodate the battery module; and a flexible rib formed at an inner side of the pack housing and having elasticity, the flexible rib pressing the battery module in contact with the battery module.

An illustrative battery retaining assembly comprises a retaining plate, and a casing including mounting devices. One of the mounting devices may include a hinge device, and another of the mounting devices may include a latch device. The retaining plate includes engagement portions engageable with the mounting devices, such that the retaining plate may be mounted to the casing. One of the engagement portions may include a channel engageable with the hinge device, and another of the engagement portions may include a catch engageable with the latch device. The mounting devices and engagement portions may be configured to enable the retaining plate to slide at an oblique angle with respect to the casing, to provide a variable separation distance between the casing and the retaining plate.

A power storage device packaging material has good flexibility, and has electrolytic solution resistance. A power storage device packaging material in which a plurality of films are laminated, the packaging material including a heat-sealable resin layer, a gas barrier film layer laminated and disposed on one surface of the heat-sealable resin layer, and a plurality of adhesive layers, wherein the gas barrier film layer includes a resin base material and a gas barrier film disposed on one surface or both surfaces of the resin base material, and of the plurality of adhesive layers, at least an adhesive layer disposed between the heat-sealable resin layer and the gas barrier film layer has electrolytic solution resistance.

A component with a component (1) of low-alloy steel and/or heat-treatable steel is provided, wherein the component (1) is at least partially coated with an aluminum diffusion layer (10) and an aluminum oxide layer (14) is applied to the aluminum diffusion layer (10), wherein the layer thickness of the aluminum diffusion layer (10) is 1-200 ?m, wherein the aluminum diffusion layer (10) has an aluminum content, based on the total weight of the aluminum diffusion layer, of 10 wt. % above the aluminum content of the steel up to a maximum concentration, wherein the aluminum content in the aluminum diffusion layer (10) increases in the direction of the interface (12) between the aluminum diffusion layer (10) and the aluminum oxide layer (14) from 10% by weight up to the maximum concentration, and wherein the maximum concentration is 11-60% by weight.

A traction battery for a vehicle includes a tray having an outer surface defining an open channel configured to circulate liquid coolant. A plurality of cells are stacked in an array and each has a dielectric material surrounding at least a portion of the cell. The array is disposed on the outer surface and covers the channel such that a side of the array is in direct contact with the coolant during operation.

Apparatus is described, for use with a cellphone (10) that has a power supply, in which the apparatus includes energy-storage apparatus (20), including a housing (26), a battery (28) coupled to the housing, and a cellphone interface (30) coupled to the housing, configured to electrically couple the battery to the power supply of the cellphone and to carry current from the battery to the power supply. Other embodiments are also described.

A hub comprises a main body with a speaker; a communication module included in the main body; a window formed of a transparent material; a display panel for displaying a screen based on information exchanged via the communication module; and a cover housing coupled to a top of the main body and having a display panel and an opening at an upper surface thereof. The window is provided on an upper surface of the display panel, wherein a normal vector with respect to a predetermined plane in which the opening falls is at an acute angle relative to a horizontal plane, and a vector acquired by orthogonally projecting the normal vector with respect to the horizontal plane faces forward. A portion of the inner surface of the cover housing is parallel with the normal vector, and the window is provided so that an upper surface faces the direction of the normal vector.

A manufacturing method for an electronic device is provided. The method includes: providing an inner shell, the inner shell defining a battery compartment for a battery, and the battery compartment including a bottom surface and a side wall; adhering a first adhesive to the bottom surface of the battery compartment; providing an adhesive film covering the first adhesive, the bottom surface and the side wall of the battery compartment; fixing the battery in the battery compartment by the adhesive film; and coating a second adhesive into spaces between a side surface of the battery and the adhesive film, a bonding force of the adhesive film and a bonding force of the second adhesive each being less than a tensile resistance of a surface of the battery.

The fuel cell vehicle includes a fuel cell placed in a front room, an air compressor placed below the fuel cell in the front room to supply the fuel cell with cathode gas, and a refrigerant supply pump placed below the fuel cell in the front room to supply the fuel cell with a refrigerant. The refrigerant supply pump is placed forward of the air compressor.

A safety control mechanism for performing safety control on a battery includes a voltage generation module and a safety member. The voltage generation module is configured to establish a voltage difference between the safety member and the battery. When the battery is abnormal, the voltage difference causes the safety member to perform safety control.