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AssigneeAutoneum Management AG
InventorJeremias SCHÜRMANN
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In its main aspect, the invention relates to a flame shield for an electric vehicle battery, in particular a lithium-ion battery, and to a method for manufacturing it. The flame shield according to the invention comprises at least one flame-resistant layer consisting of a porous fibrous non-woven impregnated with polyurethane, wherein the fibers comprised in the porous fibrous non-woven have a melting temperature of at least 1100 °C, the polyurethane does not comprise any flame retardant and the polyurethane impregnates the fibrous-non woven in such a way that the flame-resistant layer is impervious to air-flow. In a second aspect, the invention concerns a battery housing wherein the battery lid and/or the battery tray comprise such a flame shield.
A flame shield for a battery of an electric vehicle, in particular a lithium-ion battery, comprising at least one flame-resistant layer comprising a porous fibrous non-woven material impregnated with polyurethane, wherein fibers of the porous fibrous non-woven material have a melting temperature of at least 1100 °C, wherein the polyurethane does not comprise any flame retardant, and wherein the polyurethane impregnates the porous fibrous-non woven material in such a way that the flame-resistant layer is impervious to air-flow
A flame shield for a battery of an electric vehicle, comprising:
Dependencies are inferred from the claim text.