H01M50/28

BATTERY CELL MODULE AND ARRANGEMENT
20230327177 · 2023-10-12 · ·

A battery cell module (10) having a plurality of flat battery cells (1) arranged side by side in a stack, a layer of a compressible aerogel (17) between al least two of the battery cells (1), at least one phase change material (PCM) layer (18), and a circuit arrangement with battery cell management electronics (14a) in operative connection with said plurality of battery cells. At least two compression plates (11) are arranged on opposite sides of said stack and are operable in a cell compression direction (CD) to hold said stack together therebetween. A separation layer (19) is arranged between the stack and the circuit arrangement. A battery cell arrangement from such modules is also provided.

Battery pack enclosure with turned flange

A traction battery pack assembly includes, among other things, first and second pieces of an enclosure having an interior area. An attachment rim is disposed at a periphery of the first piece. The attachment rim has a stand-off that includes a platform portion and turned flange. The platform portion extends outward from the interior area in a first direction. The platform portion provides an aperture. The turned flange extends away from the platform portion in a second direction and terminates at an end face. The second direction is transverse to the first direction. The aperture is configured to receive a fastener that clamps the end face against the second piece.

ELECTRIC BATTERY FOR AN ELECTRIC VEHICLE
20230369715 · 2023-11-16 ·

An electric battery (1) for an electrically or partially electrically driven motor vehicle, movable or stationary unit has a battery housing (5) and a plurality of battery cells (2) arranged therein. According to the invention, the battery housing (5) is made from a material containing silicon and/or calcium and/or rubber and/or silicone to produce such an electric battery (1) with a minimum of economic and technical design effort while ensuring said battery is still highly operationally reliable.

Structural Composites For Battery Enclosure

A modular composite battery enclosure containing multiple individual composite structures attached together. The individual composite structures form covers that enclose an open area for housing a battery system of battery cells and cooling devices. The composite battery enclosures are lightweight and made of materials that can function to absorb energy and insulate the battery housing area. The composite structures contain a core material adhered and sandwiched between fiber layers.

BATTERY PACK
20220263185 · 2022-08-18 · ·

In a battery pack, a heat-resistant cap is coupled to an end of a battery block including battery cells positioned at predetermined positions by a battery holder and a circuit board coupled to a first surface and accommodated in an exterior case. Each of the battery cells includes a discharge valve. A heat-resistant cap includes closing plate portion forming first discharge gap between the cap and an end surface of the battery block, and a peripheral wall portion forming a second discharge gap between the peripheral wall portion and the first surface of the battery block. A circuit board forms a ventilation gap between the circuit board and the first surface of the battery block. The ventilation gap communicates with the second discharge gap.

BATTERY PACK
20220263185 · 2022-08-18 · ·

In a battery pack, a heat-resistant cap is coupled to an end of a battery block including battery cells positioned at predetermined positions by a battery holder and a circuit board coupled to a first surface and accommodated in an exterior case. Each of the battery cells includes a discharge valve. A heat-resistant cap includes closing plate portion forming first discharge gap between the cap and an end surface of the battery block, and a peripheral wall portion forming a second discharge gap between the peripheral wall portion and the first surface of the battery block. A circuit board forms a ventilation gap between the circuit board and the first surface of the battery block. The ventilation gap communicates with the second discharge gap.

UNSATURATED POLYESTER RESIN COMPOSITION, MOLDING MATERIAL, MOLDED ARTICLE, AND BATTERY PACK CASING FOR ELECTRIC VEHICLE
20220089864 · 2022-03-24 ·

An unsaturated polyester resin composition includes an unsaturated polyester, a polymerizable monomer, a low shrinkage agent, aluminum hydroxide, and an electrically conductive filler. The unsaturated polyester is a polymerization product of a polybasic acid including a polybasic acid having an ethylenically unsaturated double bond at a predetermined ratio and a polyhydric alcohol. A polyvinyl acetate as the low shrinkage agent is included at a predetermined ratio with respect to the total amount of the unsaturated polyester, the polymerizable monomer, and the low shrinkage agent. The aluminum hydroxide is included at a predetermined ratio with respect to the total amount of the unsaturated polyester, the polymerizable monomer, and the low shrinkage agent.

Laminate, in-vehicle battery containing body, and method for producing in-vehicle battery containing body
11283128 · 2022-03-22 · ·

An object of the present invention is to provide: a laminate which is capable of satisfying two requirements, namely, weight reduction and fire resistance at the same time; an in-vehicle battery containing body; and a method for producing an in-vehicle battery containing body. In order to achieve the object, a laminate 5 according to the present invention includes at least a first layer 51 containing a thermoplastic or thermosetting resin and a second layer 52 containing an incombustible or flame-retardant nonwoven fabric. The first layer and the second layer form an integrally molded article in which at least part of the resin of the first layer melting to combine and integrated with the second layer. An in-vehicle battery containing body 1 includes containing bodies 2, 4 for containing an in-vehicle battery 3, and at least a portion of the containing bodies 2, 4 is formed by a laminate 5. At least two layers, namely a first layer 51 and a second layer 52, are laminated on each other, and then, integrally molding at the same time such that at least a portion of the resin of the first layer 51 is melted and combined with the second layer 52.

COMPOSITE BATTERY ENCLOSURE
20210323418 · 2021-10-21 ·

A battery enclosure for a vehicle chassis comprising a base plate having an upper and lower surface and a plurality of edges; an external support structure with a flange portion on a lower surface thereof and disposed on an upper surface of the base plate to circumscribe the base plate edges; a battery tray with a flange portion extending from an upper surface thereof is disposed on an upper surface of the base plate. The battery tray includes a plurality of raised surface features on the upper surface outlining individual cells, each cell configured to receive at least one battery. A lid is disposed on the flange of the battery tray with the external support structure disposed below the battery tray flange, and extending around the battery tray edges.

Battery pack

A battery pack, including a cell assembly including a plurality of secondary batteries and having outer protrusions formed at an outer side surface thereof to extend vertically and a pack housing configured to have an inner space in which the cell assembly is accommodated, the pack housing having inner protrusions formed at an inner side surface thereof to extend vertically, wherein the cell assembly has ducts provided at both side surfaces thereof so that fluid flows into or out of a secondary battery, and the outer protrusions are formed at outer side surfaces of the ducts.