Resin molded body obtained from a resin composition containing thermoplastic resin, flame retardant, and metal fiber. The molded body contains from 15 to 30 mass % of flame retardant and from 2.5 to 7.5 mass % of metal fiber, the remainder being thermoplastic resin. The molded body has a determination result of V-0 or V-1 in a burning test using the UL 94 V test method. The molded body satisfies the following: a thickness of the resin molded body is from 1.5 to 8.0 mm; the molded body self-extinguishes within five minutes after a burning test; the molded body does not have a hole after burning; and the molded body has an electromagnetic wave shielding property of more than 30 dB using a KEC method electric field in a frequency range from 1 to 100 MHz.

A housing for at least one heat-releasing element (100), for example a battery element in an electric vehicle, comprises: a housing wall (200), a holder (300) which is joined to the housing wall (200) for accommodating the at least one heat-releasing element (100) and a cooling body (400) which is arranged on a side of the housing wall (200) opposite the holder (300) and is joined to the housing wall (200).

The housing wall (200), the holder (300) and the cooling body (400) are together present as one-piece component, wherein the cooling body (400) has at least one channel (500) for a cooling medium and at least a subregion of the cooling body (400) consists of a first thermoplastic polymer composition having a thermal conductivity determined in accordance with ASTM E1461-01 of ≥0.2 W/(m K).

An unsaturated polyester resin composition includes: a resin component comprising an unsaturated polyester, a polymerizable monomer, and a low profile agent; aluminum hydroxide; and a fire retardant. The unsaturated polyester is a polymerized product of polybasic acid and polyhydric alcohol. The polybasic acid has an ethylenic unsaturated double bond at a predetermined ratio. The polyvinyl acetate is blended as a low profile agent relative to the resin component at a predetermined ratio. Aluminum hydroxide is blended relative to the resin component at a predetermined ratio.

Provided are battery packs and interface modules for electrically interconnecting electrochemical cells in the packs and for providing heat distribution with the packs. An interface module interfaces one side of all electrochemical cells in a battery pack. The interface module may have a substantially planar shape such that the space occupied by the module in the battery pack is minimal. Most, if not all, conductive components of the interface module may be formed from the same sheet of metal. In some embodiments, the interface module includes multiple bus bars such that each bus bar interconnects two or more terminals of different electrochemical cells in the battery pack. Each bus bar may have a separate voltage sense lead extending from the bus bar to a connecting portion. The bus bars may be flexibly supported within the module. The interface module may also include multiple thermistors disposed on different bus bars.

Apparatus for mitigating propagation of thermal events between battery cells within a battery module assembly (10) is provided. The apparatus comprises one or more of several features that function to prevent a runaway thermal event within one battery cell (48) from triggering a fire or other thermal event within another battery cell within the battery module assembly (10). The apparatus may comprise one or more of: (i) a compressive wrap (88) applied to a battery cell (48); (ii) a layered barrier material (104) positioned between adjacent battery cells (48); (iii) silicone rubber supports (94) positioned adjacent the battery terminals (62, 64), (iv) a light-weight, fire-resistant housing composite panel, and (v) rupturable diaphragms (36) configured to vent gases and ejecta from a battery cell undergoing a thermal event.

A battery device (1) is provided. The battery device (1) comprises a casing (10) and a battery cell pack (20) located within the casing (10). The battery device (1) further comprises a flame-retardant encapsulant (30) located within the casing (10) and placed around the battery cell pack (20) to isolate the casing (10) from the battery cell pack (20). The encapsulant (30) forms an envelope comprising an outlet (31) coupled to a ventilation space for ventilation of gases and/or heat generated upon a malfunction of the battery cell pack (20).

A battery tray for mounting a battery for driving a vehicle includes a bottom; a peripheral wall erected on an outer circumference of the bottom; a flange connected to a top of the peripheral wall and extending outwards of the peripheral wall; a first inner wall connected to the bottom, a bending angle between the first inner wall and the bottom being between 90 degrees and 135 degrees; a second inner wall connected to the bottom, a bending angle between the second inner wall and the bottom being between 90 degrees and 135 degrees; and a stud bolt pedestal connected to both the first inner wall and the second inner wall and provided above the bottom. The bottom, the peripheral wall, the flange, the first inner wall, the second inner wall, and the stud bolt pedestal being integrally molded from fiber reinforced plastics containing discontinuous fibers.

A battery housing is configured to encase multiple battery cells comprises a supercapacitor shell. The supercapacitor shell comprises two layers each of carbon fiber reinforced with plastic; an electrode between the two layers, the electrode comprising negative electrode material, positive electrode material, and an electrolyte; a positive electrode terminal connected to the carbon fiber of one of the two layers; and a negative electrode terminal connected to the carbon fiber of another of the two layers. Edges of the two layers are laminated together to contain the electrode with the positive electrode terminal and the negative electrode terminal extending external to the laminated edges.

A cell module stores electrical energy, a battery has such a cell module and a module housing for such a cell module. The module housing includes an internal space in which n cells each having at least one positive and at least one negative electrode are arranged. In this case, n≥2 and the module housing here has at least three external electrical connection poles. The battery includes at least two such cell modules. The module housing includes at least three apertures through which electrical conductors are guided from the inside of the module housing to the outside.

Fire protection materials comprising an endothermic hydrate, an intumescent, a heat resistant fiber and an elastomeric polymer. In various embodiments, endothermic hydrate comprises aluminum trihydrate, the intumescent comprises expandable graphite, and the heat resistant fiber comprises poly(p-phenylene terephthalamide). The elastomeric polymer may be a polyorganosiloxane, such as a phenyl substituted polydimethyl siloxane. Also described are structures comprising such fire protection materials, e.g., separators and other battery containment structures such as for use with high density lithium batteries.