To improve operation efficiency of fuel cells by controlling air supply means and air supply amount to the air electrode of fuel cell according to the running state, thereby controlling the output from the fuel cell, in the fuel cell system of an electric vehicle including a fuel cell for range extender principally charging secondary cells.SOLUTION: Air supply means 11 for supplying air to the air electrode 9 of a fuel cell 3 has an air compressor air supply part 21 for supplying air from an air compressor 19, and a travel wind feed zone 23 for introducing travel wind, and includes a control arrangement 17 for changing over the air compressor air supply part 21 and the travel wind feed zone 23 on the basis of the vehicle velocity, while furthermore controlling the air supply amount by the air compressor air supply part and the air supply amount by the travel wind feed zone on the basis of the running state of the electric vehicle, and controlling the output of the fuel cell.SELECTED DRAWING: Figure 1
【課題】本発明の少なくとも一つの実施形態は、二次電池の充電を主に行うレンジエクステンダー用燃料電池を備えた電動車両の燃料電池システムであって、走行状態に応じて燃料電池の空気極への空気供給手段及び空気供給量を制御して燃料電池の出力を制御し、燃料電池の運転効率を向上させること。【解決手段】燃料電池3の空気極9へ空気を供給する空気供給手段11は、エアコンプレッサ19から空気を供給するエアコンプレッサ空気供給部21と、走行風を導入する走行風供給部23とを有し、車速に基づいて、エアコンプレッサ空気供給部21と走行風供給部23とを切替え、さらにエアコンプレッサ空気供給部による空気供給量及び走行風供給部による空気供給量を電動車両の走行状態に基づいて制御して燃料電池の出力を制御する制御装置17を備えることを特徴とする。【選択図】図1
FUEL CELL SYSTEM FOR ELECTRIC VEHICLE
電動車両用の燃料電池システム
2019-08-08
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
FUEL CELL SYSTEM AND ELECTRIC VEHICLE INCLUDING FUEL CELL SYSTEM
European Patent Office | 2020
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