Electrode chip
An electrode chip including one auxiliary cell and a plurality of measurement cells on a substrate, where the auxiliary cell includes a reference electrode, a counter electrode, and an auxiliary cell-side working electrode, the measurement cell includes a driving electrode and a measurement cell-side working electrode, and the auxiliary cell-side working electrode and the measurement cell-side working electrode are electrically connected.
1. An electrode chip comprising one auxiliary cell and a plurality of measurement cells on a substrate, wherein
the auxiliary cell comprises a reference electrode, a counter electrode, and an auxiliary cell-side working electrode,
each measurement cell comprises a driving electrode and a measurement cell-side working electrode, and
the auxiliary cell-side working electrode is electrically connected to each measurement cell-side working electrode.
2. The electrode chip according to claim 1 , wherein each measurement cell-side working electrode is surrounded by the driving electrode in the measurement cell.
3. The electrode chip according to claim 2 , wherein a surface area of the auxiliary cell-side working electrode is larger than surface areas of a plurality of the measurement cell-side working electrodes.
4. The electrode chip according to claim 2 , wherein a surface area of the auxiliary cell-side working electrode is larger than a surface area of any one of the measurement cell-side working electrodes.
5. The electrode chip according to claim 2 , wherein a surface area of one of the driving electrodes is larger than a surface area of one of the measurement cell-side working electrodes.
6. The electrode chip according to claim 2 , wherein a surface area of the counter electrode is larger than a surface area of the auxiliary cell-side working electrode.
7. The electrode chip according to claim 2 , wherein a ratio of a surface area of the driving electrode to a surface area of the measurement cell-side working electrode is 2000% to 8000% in each measurement cell.
8. The electrode chip according to claim 1 , wherein a surface area of the auxiliary cell-side working electrode is larger than surface areas of a plurality of the measurement cell-side working electrodes.
9. The electrode chip according to claim 8 , wherein a surface area of one of the driving electrodes is larger than a surface area of one of the measurement cell-side working electrodes.
10. The electrode chip according to claim 8 , wherein a surface area of the counter electrode is larger than a surface area of the auxiliary cell-side working electrode.
11. The electrode chip according to claim 8 , wherein a ratio of a surface area of the driving electrode to a surface area of the measurement cell-side working electrode is 2000% to 8000% in each measurement cell.
12. The electrode chip according to claim 1 , wherein a surface area of the auxiliary cell-side working electrode is larger than a surface area of any one of the measurement cell-side working electrodes.
13. The electrode chip according to claim 12 , wherein a surface area of one of the driving electrodes is larger than a surface area of one of the measurement cell-side working electrodes.
14. The electrode chip according to claim 12 , wherein a surface area of the counter electrode is larger than a surface area of the auxiliary cell-side working electrode.
15. The electrode chip according to claim 1 , wherein a surface area of one of the driving electrodes is larger than a surface area of one of the measurement cell-side working electrodes.
16. The electrode chip according to claim 15 , wherein a surface area of the counter electrode is larger than a surface area of the auxiliary cell-side working electrode.
17. The electrode chip according to claim 1 , wherein a surface area of the counter electrode is larger than a surface area of the auxiliary cell-side working electrode.
18. The electrode chip according to claim 1 , wherein a ratio of a surface area of the driving electrode to a surface area of the measurement cell-side working electrode is 2000% to 8000% in each measurement cell.
19. The electrode chip according to claim 1 , wherein
each measurement cell further comprises a measurement solution containing a detection substance, and the auxiliary cell further comprises an auxiliary solution containing an oxidation-reduction substance, and
a ratio of a concentration of the detection substance in each measurement solution to a concentration of the oxidation-reduction substance in the auxiliary solution is 20% or less.
20. The electrode chip according to claim 1 , wherein the counter electrode and the reference electrode are electrically insulated and independently provided in the auxiliary cell.