Method and device for developing an electrochemical measuring system

• US 7,553,402 B2
• Filed: 05/17/2004
• Issued: 06/30/2009
• Est. Priority Date: 05/26/2003
• Status: Expired due to Fees

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Brinz, Thomas, Scheying, Gerd
• Primary Examiner(s): Olsen; Kaj K
• Application Number:
  US10/847,138
• Publication Number:
  US 20040262151A1
• Time in Patent Office: 1,870 Days
• Field of Search: 205/775, 205/787.5, 204/400, 204/412, 204/433
• US Class Current: 205/775
• CPC Class Codes: G01N 27/27 Association of two or more measuring systems or cells, each measuring a different parameter, where the measurement results may be either used independently, the systems or cells being physically associated, or combined to produce a value for a further parameter

Abstract

A method and a device for developing an electrochemical measuring system, in particular a sensor, is provided. A plurality of different electrode materials are applied to at least one substrate and introduced into a medium together with at least one reference electrode. Subsequently, the electrochemical potentials of the individual electrode materials in relation to the reference electrode are determined.

Claims

1. A method, comprising:

applying a plurality of different electrode materials to at least one substrate;

introducing the plurality of different electrode materials into a medium together with at least one reference electrode;

moving the at least one substrate in relation to the at least one reference electrode, thereby sequentially aligning each one of the plurality of different electrode materials with the at least one reference electrode; and

determining an electrochemical potential of each one of the plurality of different electrode materials in relation to the at least one reference electrode.

2. The method of claim 1, wherein at least one of the plurality of different electrode materials is coated with an electrolyte.

3. The method of claim 1, wherein at least one of the plurality of different electrode materials and the at least one reference electrode are applied to the at least one substrate using a lithographic method.

4. The method of claim 1, wherein the at least one substrate is a cylindrical body.

5. The method of claim 4, wherein the at least one reference electrode is arranged on a second cylindrical body.

6. A system for optimizing a selection of a potentiometric electrode of an electrochemical measuring system, comprising:

at least one substrate on which a plurality of different electrode materials are applied;

at least one reference electrode;

a measuring vessel in which the at least one substrate and the plurality of different electrode materials and the at least one reference electrode are positioned;

at least one motion device for displacing the plurality of different electrode materials in relation to the at least one reference electrode, the at least one motion device configured to seguentially align each one of the plurality of different electrode materials with the at least one reference electrode; and

a measuring device for measuring an electrochemical potential of each one of the plurality of different electrode materials in relation to the at least one reference electrode.

7. The system of claim 6, wherein at least one of the plurality of different electrode materials is coated with an electrolyte.

8. The system of claim 6, wherein leads for the plurality of different electrode materials are arranged on a side of the at least one substrate facing away from the plurality of different electrode materials.

9. The system of claim 6, further comprising:

a reference substrate, wherein a plurality of different reference electrodes are arranged on the reference substrate.

10. The system of claim 6, wherein the at least one substrate is a cylindrical body.

11. The system of claim 10, wherein the at least one reference electrode is arranged on a second cylindrical body.

12. The system of claim 6, further comprising:

a spacer that determines a spacing between the at least one reference electrode and the plurality of different electrode materials in measuring position.