SENSOR DEVICE FOR AN ELECTROCHEMICAL ENERGY STORE, ELECTROCHEMICAL ENERGY STORE, METHOD FOR MANUFACTURING A SENSOR DEVICE FOR AN ELECTROCHEMICAL ENERGY STORE

• US 20150102821A1
• Filed: 03/07/2013
• Published: 04/16/2015
• Est. Priority Date: 04/12/2012
• Status: Active Grant

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Henrici, Fabian, Bruendel, Mathias, Grimminger, Jens
• Granted Patent: US 10,067,194 B2
• Time in Patent Office: Days
• US Class Current: 324/437
• CPC Class Codes: G01R 31/3644 Constructional arrangements
• CPC Class Codes: G01R 31/385 Arrangements for measuring battery or accumulator variables for monitoring G01R31/382
• CPC Class Codes: H01M 10/48 Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569
• CPC Class Codes: H01M 10/486 for measuring temperature
• CPC Class Codes: H01M 50/569 Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals battery terminal connectors with integrated measuring arrangements G01R31/364
• CPC Class Codes: H01R 43/16 for manufacturing contact members, e.g. by punching and by bending
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y10T 29/49117 Conductor or circuit manufacturing
• CPC Class Codes: Y10T 29/49204 Contact or terminal manufacturing

Abstract

A sensor device for contacting first and second contact points of an electrochemical energy store which are situated inside a housing of the electrochemical energy store includes: a first terminal contact for the electrically conductive connection of the sensor device to the first contact point, a first terminal material on a surface of the first terminal contact corresponding to at least a first contact material on a surface of the first contact point; and a second terminal contact for the electrically conductive connection of the sensor device to the second contact point, a second terminal material on a surface of the second terminal contact corresponding to at least a second contact material on a surface of the second contact point.

Claims

1-10. -10. (canceled)

11. A sensor device for an electrochemical energy store, the sensor device being configured for contacting a first contact point and a second contact point of the electrochemical energy store which are situated inside a housing of the electrochemical energy store, the sensor device comprising:

a first terminal contact for an electrically conductive connection of the sensor device to the first contact point, a first terminal material on a surface of the first terminal contact corresponding to at least a first contact material on a surface of the first contact point; and

a second terminal contact for an electrically conductive connection of the sensor device to the second contact point, a second terminal material on a surface of the second terminal contact corresponding to at least a second contact material on a surface of the second contact point.

12. The sensor device as recited in claim 11, wherein the first terminal material on the surface of the first terminal contact corresponds to the second terminal material on the surface of the second terminal contact.

13. The sensor device as recited in claim 11, wherein the first terminal material on the surface of the first terminal contact differs from the second terminal material on the surface of the second terminal.

14. The sensor device as recited in claim 11, wherein at least one of:

the first terminal contact has an exposed section of a carrier element of the sensor device and the first terminal material on the surface of the first terminal contact corresponds to a material of the carrier element; and

the second terminal contact has an exposed section of the carrier element of the sensor device and the second terminal material on the surface of the second terminal contact corresponds to a material of the carrier element.

15. The sensor device as recited in claim 11, wherein at least one of:

the first terminal contact has a section of a carrier element of the sensor device and a first coating layer, the first terminal material on the surface of the first terminal contact corresponding to a material of the first coating layer; and

the second terminal contact has a section of the carrier element of the sensor device and a second coating layer, the second terminal material on the surface of the second terminal contact corresponding to a material of the second coating layer.

16. An electrochemical energy store comprising:

a housing, in which a first contact point and a second contact point of the electrochemical energy store are situated; and

a sensor device configured for contacting the first contact point and the second contact point of the electrochemical energy store, the sensor device having;

a first terminal contact electrically conductively connected to the first contact point, a first terminal material on a surface of the first terminal contact corresponding to at least a first contact material on a surface of the first contact point; and

a second terminal contact electrically conductively connected to a second contact, a second terminal material on a surface of the second terminal contact corresponding to at least a second contact material on a surface of the second contact point.

17. The electrochemical energy store as recited in claim 16, further comprising:

a first electrode assembly having a first current conductor and a second electrode assembly having a second current conductor, the first contact point of the electrochemical energy store having a segment of the first current conductor and the second contact point of the electrochemical energy store having a segment of the second current conductor.

18. A method for manufacturing a sensor device for an electrochemical energy store, the sensor device being configured for contacting a first contact point and a second contact point of the electrochemical energy store, which are situated inside the housing of the electrochemical energy store, the method comprising:

forming a first terminal contact for an electrically conductive connection of the sensor device to the first contact point, wherein a first terminal material on a surface of the first terminal contact corresponds to at least a first contact material on a surface of the first contact point; and

forming a second terminal contact for an electrically conductive connection of the sensor device to the second contact point, wherein a second terminal material on a surface of the second terminal contact corresponds to at least a second contact material on a surface of the second contact point.

19. The method as recited in claim 18, wherein at least one of the terminal contacts is formed by one of:

(i) using a section of a carrier element of the sensor device, or (ii) using a section of a carrier element of the sensor device and a coating layer.

20. A method for electrically contacting a sensor device in an electrochemical energy store, comprising:

providing a housing of the electrochemical energy store, a first contact point and a second contact point of the electrochemical energy store being situated inside the housing, and a sensor device having a first terminal contact and a second terminal contact, a first terminal material on a surface of the first terminal contact corresponding to at least a first contact material on a surface of the first contact point, a second terminal material on a surface of the second terminal contact corresponding to at least a second contact material on a surface of the second contact point; and

electrically conductively connecting the first terminal contact of the sensor device to the first contact point of the electrochemical energy store, and electrically conductively connecting the second terminal contact of the sensor device to the second contact point of the electrochemical energy store, to electrically contact the sensor device in the electrochemical energy store.