Disclosed herein is a battery cell including an electrode assembly of a cathode/separator/anode structure, the electrode assembly being impregnated with an electrolyte, the electrode assembly being chargeable and dischargeable, a battery case in which the electrode assembly is mounted, the battery case being made of aluminum or an aluminum alloy, and an alumina coating layer applied to at least a portion of an outer surface of the battery case by anodizing.

In a method for producing a battery module having a plurality of battery cells, a module housing of the battery module is provided in a first step. A core assembly is introduced into the module housing, wherein a cavity, which is to be provided in a cured casting compound, is defined by a respective core of the core assembly. The casting compound is then introduced into the module housing. After the casting compound has been allowed to cure and the core assembly has been removed from the module housing, an electrode assembly, which is associated with the respective battery cell, is arranged in the cavity which is formed in the cured casting compound.

Energy storage structures and fabrication methods are provided. The method include: providing first and second conductive sheet portions separated by a permeable separator sheet, and defining, at least in part, outer walls of the energy storage structure, the first and second surface regions of the first and second conductive sheet portions including first and second electrodes facing first and second (opposite) surfaces of the permeable separator sheet; forming an electrolyte receiving chamber, defined, at least in part, by the first and second surface regions, including: bonding the first and second conductive sheet portions, and the permeable separator sheet together with at least one bonding border forming a bordering frame around at least a portion of the first and second electrodes; and providing an electrolyte within the electrolyte receiving chamber, including in contact with the first and second electrodes, with the electrolyte being capable of passing through the permeable separator sheet.

A flexible battery is provided. A flexible battery according to an exemplary embodiment of the present invention comprises: an electrode assembly; and an exterior material for encapsulating the electrode assembly together with an electrolyte, wherein the exterior material includes a first pattern part and a second pattern part for contraction and relaxation at the time of bending, which are formed on at least one surface of the exterior material, and the first pattern part and the second pattern part have different patterns.

An electrode arrangement of a battery cell (10) comprising a positive electrode layer (2) and a negative electrode layer (3), which are separated from one another in an electrically insulating manner by a separator layer (4), wherein the positive electrode layer (2) forms a plurality of first contacting sections (21) formed in each case for an electrical contacting of the positive electrode layer (2) by a first current conductor (81), and the negative electrode layer (3) forms a plurality of second contacting sections (31) formed in each case for an electrical contacting of the negative electrode layer (3) by a second current conductor (82).

The present disclosure includes a battery system with a battery module having electrochemical cells inside of a housing. The housing includes a first side and a second side opposite to the first side. The battery module includes a heat sink coupled with the second side of the housing and a thermal interface disposed between, and in contact with, the heat sink and the electrochemical cells. The thermal interface contacts base ends of the electrochemical cells. The system includes a cage disposed about the battery module. The cage includes a cage side positioned next to the second side of the housing and having openings disposed in the cage side. The openings enable air to be drawn into the cage. The air passes over the heat sink of the battery module.

The present invention provides a battery compression inhibitor and a battery module comprising the same, the battery compression inhibitor being suitable for preventing at least one battery assembly from being compressed by repeated application of an external force between end plates. The battery compression inhibitor according to the present invention comprises, in order to protect a battery assembly inside a battery module: a barrier positioned on the periphery of the battery assembly and exposed from the battery assembly; and a base plate exposed from the battery assembly and from the barrier below the battery assembly and below the barrier.

An electrochemical cell has a cell housing and an electrode assembly disposed in the housing. The electrode assembly includes positive electrode plates alternating with negative electrode plates and separated by at least one separator. An end of each of the positive and negative electrode plates includes a clear lane that is free of active material and includes an opening. An electrically conductive first inner plate extends through the openings in each positive electrode plate, and an electrically conductive second inner plate extends through openings in each negative electrode plate. The positive clear lanes are sandwiched between, and electrically connected to, the first inner plate and a first outer plate. The negative clear lanes are sandwiched between, and electrically connected to, the second inner plate and a second outer plate. The first outer plate is electrically connected to the housing, and the second outer plate is electrically connected to a terminal.

An electrochemical cell has a prismatic cell housing and an electrode assembly disposed in the cell housing. The cell housing is six-sided and includes a first end, a second end, and a sidewall that extends between the first and second ends. The sidewall includes a pair of major sides joined by a pair of minor sides, where each side of the pair of major sides is larger in area than each side of the pair of minor sides. The electrode assembly includes positive electrode plates alternating with negative electrode plates and separated by at least one separator to form an electrode stack. The electrode stack is oriented within the cell housing such that a stack axis that extends parallel to a stacking direction of the positive and negative electrode plates is normal to, and passes through, each side of the pair of minor sides.

A Dense Energy Ultra Cell (DEUC), a dielectric energy storage device and methods of fabrication therefor are provided. A DEUC element is fabricated using print technologies that deposit dielectric energy storage layers (406) and insulating layers (404) together being interleaved between electrode layers (403). The dielectric energy storage layers are created from a proprietary solution to enable printing of dielectric energy storage layers with high permittivity and a high internal resistivity to retain charge. The insulating layers (404) can be applied within the dielectric energy storage layers (406) bifurcating the dielectric energy storage layers for increased resistivity. As part of the fabrication process, the material deposition printer can apply multiple print heads each with different inks and materials (1301, 1302) to form composite material (1303) in the printed layers.