H01M2/24

Multi-layer contact plate configured to establish electrical bonds to battery cells in a battery module

An embodiment is directed to a multi-layer contact plate configured to establish electrical bonds to battery cells in a battery module. The multi-layer contact plate includes two or more primary conductive layers (e.g., Al, Cu, etc.), and a cell terminal connection layer (e.g., steel, Al, Cu, etc.) that is joined with, and sandwiched by, the two or more primary conductive layers. A portion of the cell terminal connection layer is configured to form a set of bonding connectors (e.g., bonding ribbons) to provide a direct electrical bond between the multi-layer contact plate and terminals (e.g., positive terminals, negative terminals, or a combination thereof) of at least one group of battery cells (e.g., a single group of battery cells, two groups of battery cells that are connected in series, etc.).

AUTOMATIC PRESSURE JIG DEVICE FOR BRINGING ELECTRODE LEAD INTO CLOSE CONTACT WITH BUSBAR, AND BATTERY MODULE MANUFACTURING SYSTEM COMPRISING SAME

Provided is an automatic pressing jig apparatus including: a plurality of contacting units configured to simultaneously press each of a plurality of bus bars provided in a battery module and press an end of a lead assembly from a top of the plurality of bus bars to prevent the lead assembly from protruding from a surface of the plurality of bus bars; a pair of pressing units connected to the plurality of contacting units and configured to adjust a pressing force of the plurality of contacting units with respect to the plurality of bus bars; a support frame supporting the pair of pressing units; and a distance adjusting unit connected to the support frame and configured to ascend or descend the support frame to move the plurality of contacting units away from or close to the battery module.

Secondary battery, battery pack, and vehicle

In one embodiment, a secondary battery includes, electrode groups, an insulating sheet, and a container member. The insulating sheet is disposed between the electrode groups. At least part of the insulating sheet is joined to the container member. The container member covers the outside of a stack having the electrode groups and the insulating sheet.

Systems and methods for packaging a solid-state battery
10840483 · 2020-11-17 · ·

The present disclosure relates to systems and methods for packaging a solid-state battery. Consistent with some embodiments, a package for a solid-state battery includes a substrate, a cap disposed over the substrate and forming an enclosure with the substrate, and a solid-state battery disposed inside the enclosure. The solid-state battery includes a first electrode that is disposed over the substrate, an electrolyte that is disposed over the first electrode, and a second electrode that is disposed over the electrolyte. The package further includes a compressible component disposed inside the enclosure and between the cap and the second electrode of the solid-state battery. The compressible component applies a pressure to at least one of the electrodes of the solid-state battery in a direction substantially perpendicular to the electrode(s) of the solid-state battery.

Batteries and Battery Manufacture Methods

Batteries and associated methods of manufacture are described. According to one aspect, a battery includes a battery case, an anode within the battery case, a cathode within the battery case, a separator configured to electrically insulate the anode from the cathode and the battery case, an electrolyte in contact with the anode and the cathode, and first and second terminal connections connected with respective ones of the anode and the cathode, and wherein the first and second terminal connections are configured to conduct electrons between the anode and the cathode via a load which is external of the battery case.

BATTERY MODULE INCLUDING COOLING COMPONENT THERMALLY COUPLED TO MODULE CONNECTOR AND BATTERY MODULE INCLUDING BI-METALLIC CONTACT PLATE

An embodiment is directed to a battery module, including a plurality of battery cell groups that are connected in series with each other, each of the plurality of battery cell groups including a plurality of battery cells that are connected to each other in parallel, a first terminal component at a first terminal of the battery module, the first terminal corresponding to either a positive terminal of the battery module or a negative terminal of the battery module, and a first heat pipe positioned in proximity to the first terminal component and configured to transfer heat away from the first terminal component.

BONDING CONNECTOR WITH FUSE SECTION AND BATTERY MODULE WITH INSULATIVE P-GROUP SEPARATOR

An embodiment is directed to a contact plate configured to establish electrical bonds between battery cells in a battery module, including at least one primary conductive layer, and a set of bonding connectors that are configured to provide direct electrical bonds between the contact plate and terminals of a group of battery cells, the set of bonding connectors being configured to connect the group of battery cells in parallel with each other, wherein at least one bonding connector in the set of bonding connectors is configured with a higher fuse rating than each other bonding connector in the set of bonding connectors so as to contain arcs among the set of bonding connectors to the at least one bonding connector.

Contact plate including at least one higher-fuse bonding connector for arc protection

An embodiment is directed to a contact plate configured to establish electrical bonds between battery cells in a battery module, including at least one primary conductive layer, and a set of bonding connectors that are configured to provide direct electrical bonds between the contact plate and terminals of a group of battery cells, the set of bonding connectors being configured to connect the group of battery cells in parallel with each other, wherein at least one bonding connector in the set of bonding connectors is configured with a higher fuse rating than each other bonding connector in the set of bonding connectors so as to contain arcs among the set of bonding connectors to the at least one bonding connector.

FLEXIBLE FLAT CABLE ASSEMBLY AND BATTERY PACK CONNECTING ASSEMBLY
20200328535 · 2020-10-15 ·

The application relates to a flexible flat cable assembly and a battery pack connecting assembly. The flexible flat cable assembly has a flexible flat cable and an adaptor terminal, wherein the flexible flat cable has an insulation sheath, a conductor body wrapped by the insulation sheath, and a connecting end which is provided to be integrated with the conductor body and comprises a connecting portion and a crimping portion extending continuously from the conductor body; the adaptor terminal has a terminal body and a pair of first crimping wings which are disposed on the terminal body and protrude from the terminal body; the crimping portion is in contact with the terminal body, and the first crimping wings surround the crimping portion to form a crimping region in which the crimping portion has a multilayer structure. The present application can ensure a secure connection during use, and is safe and convenient to use.

Electrode assembly and polymer secondary battery cell including the same

An electrode assembly includes a cell stack part having (a) a structure in which one kind of radical unit is repeatedly disposed and has same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, and an auxiliary unit disposed on at least one among an uppermost part or a lowermost part of the cell stack part. The one kind of radical unit of (a) has a four-layered structure in which a first electrode, a first separator, a second electrode and a second separator are sequentially stacked or a repeating structure in which the four-layered structure is repeatedly stacked, and each of the at least two kinds of radical units are stacked by ones in the predetermined order to form the four-layered structure or the repeating structure.