A battery heating device which heats a battery having a plurality of battery modules, comprises a planar heating element configured with: a resistor sheet including; an electric insulating base sheet, a polymer resistor having the PTC characteristics which is placed on the electric insulating base sheet, and a pair of electrodes for energizing the polymer resistor, said electrodes being placed as extending in parallel each other on the polymer resistor, and a uniformly-heating plate attached to the resistor sheet, wherein the uniformly-heating plate has a length that is longer than a length of the resistor sheet by twice or more.
BATTERY HEATING DEVICE
2015-07-02
Patent
Electronic Resource
English
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H05B ELECTRIC HEATING , Elektrische Heizung |