Electrochemical cell stack

An electrochemical cell stack comprising:

• a plurality of electrochemical cells stacked one on another;
• and
• an electric potential measurement terminal for measuring an electric potential of the electrochemical cell;
• wherein:
• the electrochemical cell including:
• an electrode plate having a diaphragm, an anode electrode arranged on one main surface of the diaphragm, and a cathode electrode arranged on the other main surface of the diaphragm;
• a flow channel plate stacked on the electrode plate, the flow channel plate having an anode flow channel arranged to face the anode electrode, through which an anode fluid flows, and a cathode flow channel arranged to face the cathode electrode, through which a cathode fluid flows;
• an electrode plate outer frame arranged outside the electrode plate;
• a flow channel plate outer frame arranged outside the flow channel plate;
• and
• a sealing member arranged between the electrode plate outer frame and the flow channel plate outer frame;
• the flow channel plate outer frame is formed by adhering a plurality of sheet members by an adhesive;
• the electric potential measurement terminal is partially arranged between the sheet members;
• the electric potential measurement terminal includes a first end portion and a second end portion opposite to the first end portion;
• the second end portion of the electric potential measurement terminal extends outside the electrochemical cell;
• and
• the first end portion of the electric potential measurement terminal is connected to one main surface of the flow channel plate at a position outside the sealing member.

An electrochemical cell stack comprising:

• a plurality of electrochemical cells stacked one on another;
• and
• an electric potential measurement terminal for measuring an electric potential of the electrochemical cell;
• wherein:
• the electrochemical cell including:
• an electrode plate having a diaphragm, an anode electrode arranged on one main surface of the diaphragm, and a cathode electrode arranged on the other main surface of the diaphragm;
• a flow channel plate stacked on the electrode plate, the flow channel plate having an anode flow channel arranged to face the anode electrode, through which an anode fluid flows, and a cathode flow channel arranged to face the cathode electrode, through which a cathode fluid flows;
• an electrode plate outer frame arranged outside the electrode plate;
• a flow channel plate outer frame arranged outside the flow channel plate;
• and
• a sealing member arranged between the electrode plate outer frame and the flow channel plate outer frame;
• the flow channel plate outer frame is formed by adhering a plurality of sheet members by an adhesive;
• the electric potential measurement terminal is partially arranged between the sheet members;
• the electric potential measurement terminal includes a first end portion and a second end portion opposite to the first end portion;
• the second end portion of the electric potential measurement terminal extends outside the electrochemical cell;
• and
• the first end portion of the electric potential measurement terminal is connected to an edge portion of the flow channel plate at a position inside the sealing member.