ELECTROCHEMICAL HYDROGEN PRESSURIZATION SYSTEM

• Main Authors: KOJIMA HIDEICHIRO, DAIMON EICHI, YOSHIMURA TAISHI, MITSUDA NAOKI
• Format: Patent
• Language: English; Japanese
• Published: 27.06.2022
• Subjects: APPARATUS THEREFOR; CHEMISTRY; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS; METALLURGY

To provide an electrochemical hydrogen pressurization system that can operate an electrochemical hydrogen pressurization device with high efficiency.SOLUTION: An electrochemical hydrogen pressurization system 1 comprises: a hydrogen gas pressurizing unit 7 for pressurizing hydrogen by applying an electric current between an anode and a cathode that are arranged on both surfaces of a proton exchange membrane; and a supply conduit 10 for introducing hydrogen discharged from a hydrogen supply source 5 into the hydrogen gas pressurizing unit 7. The hydrogen gas pressurizing unit 7 includes a drain outlet from which unreacted hydrogen is discharged. The electrochemical hydrogen pressurization system 1 further comprises: a membrane ohmmeter 101 and a voltmeter 103 for acquiring information about the wet state of the proton exchange membrane; a fourth open/close unit 42 and a fifth open/close unit 47 for regulating the discharge of hydrogen to the drain outlet; and a control device 9 for controlling the fourth open/close unit 42 and the fifth open/close unit 47. The control device 9 controls the fourth open/close unit 42 and the fifth open/close unit 47 based on at least the wet state of the proton exchange membrane.SELECTED DRAWING: Figure 1 【課題】電気化学式水素昇圧装置を高効率で運転させることができる電気化学式水素昇圧システムを提供する。【解決手段】電気化学式水素昇圧システム１は、プロトン交換膜の両面に設けられたアノードおよびカソード間に電流が印加されることで水素を昇圧する水素ガス昇圧部７と、水素供給源５から排出される水素を水素ガス昇圧部７に導く供給管路１０と、を有する。水素ガス昇圧部７は、未反応の水素が排出される排出口を有する。電気化学式水素昇圧システム１は、プロトン交換膜の湿潤状態に関する情報を取得する膜抵抗計１０１および電圧計１０３と、排出口の水素の排出を規制する第４開閉部４２および第５開閉部４７と、第４開閉部４２および第５開閉部４７を制御する制御装置９と、をさらに備える。制御装置９は、少なくともプロトン交換膜の湿潤状態に基づいて第４開閉部４２および第５開閉部４７を制御する。【選択図】図１