High temperature batteries

Patent metadata

Field	Value
Publication number	US-12283665-B2
Application number	US-201816482135-A
Country	US
Kind code	B2
Filing date	Jan 29, 2018
Priority date	Jan 30, 2017
Publication date	Apr 22, 2025
Grant date	Apr 22, 2025

Abstract

The present disclosure discloses a high temperature cell system. The cell system may comprise at least two distinct cathode chambers. The cell system may further comprise a separator having a hollow structure enclosed between a first wall and a second wall, wherein the separator is configured to enable ion transfer between the first wall and the second wall. Further the hollow structure of the separator may define at least one anode chamber. The cell system may comprise a base configured to provide a common sealing to the at least two cathode chambers and the separator at one first end and second end respectively.

First claim

We claim:

1. A high temperature cell system comprising:
at least two distinct cathode chambers;
a monolithic separator having a hollow structure enclosed between a first wall and a second wall, wherein the monolithic separator is configured to enable ion transfer between the first wall and the second wall;
at least one anode chamber defined by the hollow structure of the monolithic separator;
an outer metallic housing laterally surrounding the monolithic separator and the chambers, the housing being configured to act as an outer cathode within an outer of the cathode chambers;
a central cathode located along a longitudinal centerline within a central of the cathode chambers, the central cathode being elongated along a majority longitudinal length of the central of the cathode chambers;
a longitudinally elongated anode located within the anode chamber of the monolithic separator, and extending a majority longitudinal length therein;
a lateral thickness of the anode being less than a lateral thickness of the central cathode; and
a base providing a common sealing to the at least two cathode chambers and the monolithic separator at one end, wherein the monolithic separator is closed at an opposite end;
a second separator including multiple walls with another anode therebetween, the separators being spaced apart from each other and having different lateral diameters and longitudinal lengths relative to each other; and
multiple ceramic rings center and fix the central cathode, and the separators being joined to the ceramic rings.

2. The high temperature cell system of claim 1 , wherein the monolithic separator is made of sodium beta aluminate (Na—β-Aluminate), and the anode laterally contacts against facing internal surfaces of the walls of the monolithic separator.

3. The high temperature cell system of claim 2 , wherein the at least two cathode chambers and the at least one anode chamber are electrically insulated from each other.

4. The high temperature cell system of claim 1 , wherein the innermost wall of the monolithic separator has a diameter of 5 up to 198 mm.

5. The high temperature cell system of claim 1 , wherein:
the outermost wall of the monolithic separator has a diameter of 7 up to 200 mm;
the base is located spanning between the first wall and the second wall, defining an enclosed bottom of the hollow structure within which is received the anode, a gap is located between a bottom end of the anode and the base, the hollow structure is entirely linearly aligned with the anode therein, and the enclosed bottom of the hollow structure terminates laterally offset from the cathode.

6. The high temperature cell system of claim 4 , wherein the monolithic separator has a length of 20 up to 1000 mm.

7. The high temperature cell system of claim 1 , wherein the at least two cathode chambers having rectangular shape are positioned adjacent the monolithic separator.

8. The high temperature cell system of claim 1 , further comprising a second anode, the anodes are located in the hollow spaces inside the innermost and the outermost side walls of the same monolithic separator in spaced apart and parallel orientations.

9. A high temperature electrochemical cell system, comprising:
a housing unit;
at least one separator having a first wall and a second wall, located within the housing unit, the separator being a solid electrolyte;
at least one cathode chamber formed by the housing unit and the at least one separator;
a cathode electrode connected to the at least one cathode chamber;
at least one anode chamber defined by a hollow portion formed between the first wall and the second wall of the at least one separator; and
an anode electrode connected to the at least one anode chamber and disposed within the at least one separator between the first wall and the second wall;
wherein the anode electrode laterally contacts against facing internal surfaces of the walls of the separator, and the anode electrode longitudinally extends a majority length of the hollow portion of the separator;
wherein the at least one separator electrically insulates the at least one cathode chamber from the at least one anode chamber with one of the first wall or the second wall, and enables ion transfer between the first wall and the second wall; and
a base located spanning between the first wall and the second wall, defining an enclosed bottom of the hollow portion within which is received the anode electrode, a gap being located between a bottom end of the anode electrode and the base, the hollow portion being entirely linearly aligned with the anode electrode therein, and the enclosed bottom of the hollow portion terminating laterally offset from the cathode electrode.

10. The high temperature electrochemical cell system of claim 9 , wherein the high temperature electrochemical cell system is rechargeable, further comprising a second anode, the anodes being located in the at least one anode chamber of the same separator in spaced apart and parallel orientations.

11. The high temperature electrochemical cell system of claim 9 , wherein the housing unit is a metal case.

12. The high temperature electrochemical cell system of claim 9 , wherein the at least one cathode chamber is located within the at least one separator, further comprising a metallic-ceramic housing to which the cathode electrode is welded.

13. The high temperature electrochemical cell system of claim 9 further comprises at least one ring covering the anode electrode and a portion of at least one separator.

14. The high temperature electrochemical cell system of claim 13 , wherein a metal-ceramic compound is placed between the at least one ring and the at least one cathode chamber.

15. The high temperature electrochemical cell system of claim 9 further comprises a sealing member covering an end of at least one separator, wherein the at least one separator includes at least a first separator and a second separator, the second separator include multiple walls with another anode electrode laterally contacting against the walls, and the separators being spaced apart from each other and having different lateral diameters and longitudinal lengths relative to each other.

16. The high temperature electrochemical cell system of claim 15 , wherein the sealing member is made of a ceramic-ceramic compound.

17. The high temperature electrochemical cell system of claim 16 , wherein the ceramic—ceramic compound is produced from glass.

18. The high temperature electrochemical cell system of claim 9 , wherein two or more high temperature electrochemical cell systems are interconnected in series forming identical cathode chambers connected with each other.

19. The high temperature electrochemical cell system of claim 9 , wherein the separator is made of beta aluminate (β-Aluminate).

20. The high temperature electrochemical cell system of claim 9 , wherein the separator is made of sodium beta aluminate (Na—β-Aluminate).

21. The high temperature electrochemical cell system of claim 9 , wherein the anode electrode is made of/or coated with Nickel or Molybdenum.

22. The high temperature electrochemical cell system of claim 9 , wherein the cathode electrode is made of/or coated with Nickel or Molybdenum.

23. The high temperature electrochemical cell system of claim 9 , wherein the high temperature electrochemical cell system is circular in structure.

24. The high temperature electrochemical cell system of c

Assignees

• R Cube Energy Storage System Llp
• Fraunhofer Ges Forschung
• Fraunhofer Ges Forschung

Inventors

• Chakradeo Amarnath Ashok
• Hofacker Martin

Classifications

• H01M50/489

  Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties · CPC title

• H01M50/463

  Separators, membranes or diaphragms characterised by their shape · CPC title

• H01M50/431

  Inorganic material · CPC title

• H01M50/46

  Separators, membranes or diaphragms characterised by their combination with electrodes · CPC title

• Y02E60/10

  Energy storage using batteries · CPC title