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1. WO2000036667 - FERMETURE DE CELLULE ELECTROCHIMIQUE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

C L A I M S
1. A method of manufacturing an electrochemical cell comprising:
assembling a housing and a cell closure, the housing having an inner diameter, a closed end having an inner closed end surface, and an open end, and the cell closure including an insulating seal having a seal volume and an end cap, the insulating seal and the end cap together forming the cell closure,
the housing and cell closure being joined at the open end of the housing with the insulating seal between the housing and the end cap to form the cell, the cell closure having an inner closure surface and a closure volume, the cell having an internal cell volume defined by the inner closure surface, the inner closed end surface, and the inner diameter, and the cell having an external diameter and an external height within a cell size envelope having an external volume,
wherein a ratio of the internal cell volume to the external volume is greater than about 0.83.
2. The method of claim 1, wherein the ratio of the internal cell volume to the external volume is greater than about 0.86.
3. The method of claim 1, wherein the ratio of the internal cell volume to the external volume is greater than 0.90.
4. The method of claim 1, wherein the ratio of the internal cell volume to the external volume is greater than 0.92.
5. The method of claim 1, wherein the external diameter is about 10 mm.

6. The method of claim 1, wherein the external diameter is about 14 mm.

7. The method of claim 1, wherein a ratio of the closure volume to the external volume is less than about 0.07.
8. The method of claim 7, wherein the ratio of the closure volume to the external volume is less than about 0.05.
9. The method of claim 7, wherein the ratio of the closure volume to the external volume is less than about 0.045.
10. The method of claim 8, wherein the external diameter is about 10 mm. 11. The method of claim 8, wherein the external diameter is about 14 mm.

12. The method of claim 1, wherein a ratio of the closure volume to the internal cell volume is less than about 0.06.

13. The method of claim 1, wherein a ratio of the seal volume to the internal cell volume is less than about 0.02.
14. The method of claim 1, wherein a ratio of the seal volume to the external volume is less than about 0.02.
15. The method of claim 1, wherein the ratio of the internal cell volume to the external volume is greater than 0.90, a ratio of the seal volume to the internal cell volume is less than about 0.02, a ratio of the seal volume to the external volume is less than about 0.02, a ratio of the closure volume to the internal cell volume is less than about 0.06, and a ratio of the closure volume to the external volume is less than about 0.05.
16. The method of claim 15, wherein the external diameter is about 10 mm.
17. The method of claim 15, wherein the external diameter is about 14 mm.
18. The method of claim 1, wherein the end cap includes an aperture and the insulating seal includes a rupturable membrane.
19. A method of manufacturing an electrochemical cell comprising:
assembling a housing and a cell closure, the housing having an inner diameter, a closed end having an inner closed end surface, and an open end, and the cell closure including an insulating seal having a seal volume and an end cap, the insulating seal and the end cap together forming the cell closure,
the housing and cell closure, being joined at the open end of the housing with the insulating seal between the housing and the end cap to form the cell, the cell closure having an inner closure surface and a closure volume, the cell having an internal cell volume defined by the inner closure surface, the inner closed end surface, and the inner diameter, and the cell having an external diameter and an external height within a cell size envelope having an external volume,
wherein a ratio of the closure volume to the external volume is less than about 0.175 - 0.393* {log10(external volume)} + 0.386* {log20(external volume)}2 - 0.113*{log,0(external volume)}3.
20. The method of claim 19, wherein log,0(external volume) is less than 1.

21. The method of claim 20, wherein a ratio of the seal volume to the external volume is less than 0.02 - 0.0065* {log, 0(external volume)}.
22. The method of claim 19, wherein a ratio of the internal cell volume to the external volume is greater than 0.16*{log,0(external volume)}3 - 0.55*{logI0 (external volume)}2 + 0.55* {log, 0(external volume)} + 0.58.
23. The method of claim 19, wherein the ratio of the internal cell volume to the external volume is greater than 0.90, a ratio of the seal volume to the internal cell volume is less than about 0.02, a ratio of the seal volume to the external volume is less than about 0.02, a ratio of the closure volume to the internal cell volume is less than about 0.06, and a ratio of the closure volume to the external volume is less than about 0.05.
24. The method of claim 23, wherein the external diameter is about 10 mm.
25. The method of claim 23, wherein the external diameter is about 14 mm.
26. An electrochemical cell comprising:
a housing having an inner diameter, a closed end having an inner closed end surface, and an open end; an insulating seal; and an end cap;
the housing and the end cap being joined together at the open end with the insulating seal between the housing and the end cap to form the cell,
the insulating seal having a seal volume,
the insulating seal and the end cap together forming a cell closure having an inner closure surface, the cell closure having a closure volume,
the cell having an internal cell volume defined by the inner closure surface, the inner closed end surface, and the inner diameter, and the cell having an external diameter and an external height within a cell size envelope having an external volume,
wherein a ratio of the closure volume to the external volume is less than about 0.175 - 0.393 *{log10(external volume)} + 0.386* {log10(external volume)}2 - 0.113*{log,0(external volume)}3.
27. The method of claim 26, wherein log,0(external volume) is less than 1.

28. The method of claim 27, wherein a ratio of the seal volume to the external volume is less than 0.02 - 0.0065* {log10(external volume)}.

29. The method of claim 27, wherein a ratio of the internal cell volume to the external volume is greater than 0.16*{log10(external volume)}3 -0.55*{log10(external volume)}2 + 0.55*{log,0(external volume)} + 0.58.
30. The method of claim 26, wherein the ratio of the internal cell volume to the external volume is greater than 0.90, a ratio of the seal volume to the internal cell volume is less than about 0.02, a ratio of the seal volume to the external volume is less than about 0.02, a ratio of the closure volume to the internal cell volume is less than about 0.06, and a ratio of the closure volume to the external volume is less than about 0.05.
31. The method of claim 30, wherein the external diameter is about

10 mm.
32. The method of claim 30, wherein the external diameter is about 14 mm.
33. An electrochemical cell comprising:
a housing having an inner diameter, a closed end having an inner closed end surface, and an open end; an insulating seal; and an end cap;
the housing and the end cap being joined together at the open end with the insulating seal between the housing and the end cap to form the cell,
the insulating seal having a seal volume,
the insulating seal and the end cap together forming a cell closure having an inner closure surface, the cell closure having a closure volume,
the cell having an internal cell volume defined by the inner closure surface, the inner closed end surface, and the inner diameter, and the cell having an external diameter and an external height within a cell size envelope having an external volume, the cell size envelope including a diameter of between about 13.5 and 14.5 millimeters and a length of between about 49.0 and 50.5 millimeters,
wherein a ratio of the closure volume to the external volume is less than about 0.175 - 0.393* {log,0(external volume)} + 0.386* { log, 0(external volume)}2 - 0.113*{log10(external volume)}3.
34. An electrochemical cell comprising:
a housing having an inner diameter, a closed end having an inner closed end surface, and an open end; an insulating seal; and an end cap;

the housing and the end cap being joined together at the open end with the insulating seal between the housing and the end cap to form the cell,
the insulating seal having a seal volume,
the insulating seal and the end cap together forming a cell closure having an inner closure surface, the cell closure having a closure volume,
the cell having an internal cell volume defined by the inner closure surface, the inner closed end surface, and the inner diameter, and the cell having an external diameter and an external height within a cell size envelope having an external volume, the cell size envelope including a diameter of between about 9.5 and 10.5 millimeters and a length of between about 42.5 and 44.5 millimeters,
wherein a ratio of the closure volume to the external volume is less than about 0.175 - 0.393 *{log,0(external volume)} + 0.386* {log10(external volume)}2

- 0.113*{log]0(external volume)}3.
35. An electrochemical cell comprising:
a housing having an inner diameter, a closed end having an inner closed end surface, and an open end; an insulating seal; and an end cap;
the housing and the end cap being joined together at the open end with the insulating seal between the housing and the end cap to form the cell,
the insulating seal having a seal volume,
the insulating seal and the end cap together forming a cell closure having an inner closure surface, the cell closure having a closure volume,
the cell having an internal cell volume defined by the inner closure surface, the inner closed end surface, and the inner diameter, and the cell having an external diameter and an external height within a cell size envelope having an external volume, the cell size envelope including a diameter of between about 7.7 and 8.3 millimeters and a length of between about 41.5 and 42.5 millimeters,
wherein a ratio of the closure volume to the external volume is less than about 0.175 - 0.393* { log ,0(external volume)} + 0.386* {log, 0(external volume)}2

- 0.113*{log,0(external volume)}3.