DEVICE FOR COOLING AND/OR HEATING AN ELECTRIC VEHICLE BATTERY

• Main Authors: DUFAURE, Nicolas, RACHED, Wissam
• Format: Patent
• Language: English; French; German
• Published: 06.04.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A device for use in a circuit for cooling and/or heating a motor vehicle battery, including: an outer casing of a composition including: from 20% to 65% by weight of reinforcing fibers, which do not have thermal conduction properties, the balance being a matrix including at least one polyamide and an inner casing positioned facing the battery and intended to be in contact with a coolant of a composition including: from 5% to 65% by weight of reinforcing fibers, from 10% to 20% by weight of at least one thermally conductive component, when the reinforcing fibers used are not thermally conductive, at least one fire retardant, and the balance being a matrix including at least one polyamide chosen from semiaromatic polyamides and polyamides, a heat transfer fluid inlet; and a heat transfer fluid outlet, the device delimiting a battery cooling and/or heating volume.