Electrochemical energy store

• US 20050170241A1
• Filed: 01/26/2005
• Published: 08/04/2005
• Est. Priority Date: 02/04/2004
• Status: Abandoned Application

• Current Assignee: Daimler AG (Mercedes-Benz Group AG)
• Original Assignee: DaimlerChrysler AG (Mercedes-Benz Group AG)
• Inventors: Soczka-Guth, Thomas, German, Johann
• Application Number:
  US11/043,822
• Publication Number:
  US 20050170241A1
• Time in Patent Office: Days
• US Class Current: 429/120
• CPC Class Codes: B29C 65/16 Laser beams
• CPC Class Codes: B29C 66/54 Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
• CPC Class Codes: B29L 2031/18 Heat-exchangers or parts thereof
• CPC Class Codes: F28D 2021/0077 for tempering, e.g. with cooling or heating circuits for temperature control of elements
• CPC Class Codes: F28F 3/12 Elements constructed in the shape of a hollow panel, e.g. with channels F28D1/02, F28D1/03 take precedence
• CPC Class Codes: F28F 9/26 Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators connecting different sections in water heaters F24H9/14 , connecting headers with inlet or outlet fittings F28F9/0246
• CPC Class Codes: H01M 10/613 Cooling or keeping cold
• CPC Class Codes: H01M 10/625 Vehicles
• CPC Class Codes: H01M 10/6567 Liquids
• CPC Class Codes: H01M 10/6568 characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
• CPC Class Codes: H01M 10/663 the system being an air-conditioner or an engine
• CPC Class Codes: H01M 50/107 having curved cross-section, e.g. round or elliptic H01M50/103, H01M50/109, H01M50/11 take precedence
• CPC Class Codes: H01M 50/213 adapted for cells having curved cross-section, e.g. round or elliptic H01M50/209, H01M50/216 take precedence
• CPC Class Codes: H01M 50/262 with fastening means, e.g. locks
• CPC Class Codes: H01M 50/291 characterised by their shape
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

An electrochemical store is provided. The electrochemical store comprises a plurality of heat exchange units and a plurality of electrochemical storage cells arranged in an array, alongside one another, and between pairs of the heat exchange unit. The heat exchange units include heat exchange channels for the flow of a temperature control fluid. A forward flow distribution channel is coupled to the heat exchange channels for ingress of the temperature control fluid and a return flow distribution channel is coupled to the heat exchange channels for egress of the temperature control fluid flow. Pursuant to a feature of the present invention, the plurality of heat exchange units are coupled to one another to form a self-supporting electrochemical store unit suitable for insertion into a battery box as a unit.

Claims

1. An electrochemical store, which comprises:

a plurality of heat exchange units;

a plurality of electrochemical storage cells arranged in an array, alongside one another, and between pairs of the heat exchange units;

the heat exchange units including heat exchange channels for flow of a temperature control fluid;

a forward flow distribution channel coupled to the heat exchange channels for ingress of the temperature control fluid; and

a return flow distribution channel coupled to the heat exchange channels for egress of the temperature control fluid flow;

the plurality of heat exchange units being coupled to one another to form a self-supporting electrochemical store unit suitable for insertion into a battery box as a unit.

2. The electrochemical store of claim 1 wherein the heat exchange units are arranged in a support housing.

3. The electrochemical store of claim 2 wherein the support housing comprises upper and lower support pressure plates coupled to one another by a pair of side support plates.

4. The electrochemical store of claim 3 wherein the upper and lower support pressure plates include a radius contour conforming to the shape of the heat exchange units.

5. The electrochemical store of claim 3 wherein the lower support pressure plate includes an elongated hole for coupling to a heat exchange unit.

6. The electrochemical store of claim 3 wherein the upper and lower support pressure plates include clamping grooves for coupling with the pair of side support plates.

7. The electrochemical store of claim 3 wherein the lower support pressure plate includes a centering hole for receiving a corresponding centering bolt of a battery box upon insertion of the electrochemical store into the battery box.

8. The electrochemical store of claim 3 wherein the pair of side support plates includes access openings.

9. The electrochemical store of claim 8 wherein the access openings comprise quadrilateral openings.

10. The electrochemical store of claim 3 wherein each of the side support plates includes clamping frames.

11. The electrochemical store of claim 3 further comprising an air-tight, pressure-tight battery box for receiving the self-supporting electrochemical store unit, the battery box including at least one water outlet and venting device.

12. The electrochemical store of claim 11 wherein the water outlet and venting device comprises a water outlet and venting screw having a water outlet and venting disc.

13. The electrochemical store of claim 12 wherein the water outlet and venting screw is connected by a threaded connection to the water outlet and venting disc.

14. The electrochemical store of claim 13 wherein the water outlet and venting screw and the water outlet and venting disc each include transverse holes for water outlet and venting.

15. The electrochemical energy store of claim 14 wherein the water outlet and venting disc is arranged in the interior of the battery box, with the transverse holes being flush with a base of the battery box, and with the water outlet and venting screw being arranged and configured on the outside of the battery box and being connected by the threaded connection to the water outlet and venting disc.