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1. WO2011060074 - SYSTÈMES ET PROCÉDÉS DE GESTION THERMIQUE D'UNE BATTERIE

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

[ EN ]

CLAIMS for PCT

WHAT IS CLAIMED IS:

1. A system for thermal management of a battery pack comprising:

the battery pack comprising a plurality of cells;

an interstitial member between at least two cell of the plurality of cells;

a first plate coupled to the interstitial member;

a second plate coupled to interstitial member; and

a flowing fluid capable of drawing heat generated by the battery pack from the interstitial member to the first plate and capable of drawing the heat generated by the battery pack from the interstitial member to the second plate, wherein the interstitial member comprises a thermally conductive material, and wherein the heat is drawn to the first plate in a different direction than the heat is drawn to the second plate.

2. A system for thermal management of a battery pack comprising:

the battery pack comprising a plurality of cells;

an interstitial member between at least two cell of the plurality of cells;

a first plate coupled to the interstitial member;

a second plate coupled to interstitial member; and

a flowing fluid capable of imparting heat from the fluid to the first plate to the interstitial member and to the battery pack and capable of imparting heat from the fluid to the second plate to the interstitial member and to the battery pack; wherein the heat is imparted from the first plate to the battery pack in a different direction than the heat imparted from the second plate to the battery pack.

3. The system of one of claims 1 and 2, wherein the first plate is adjacent a first surface of the battery pack, and wherein the second plate is adjacent a second surface of the battery pack.

4. The system of one of claims 1 and 2, wherein at least one of the first plate and the second plate comprises the thermally conductive material.

5. The system of one of claims 1 and 2, wherein at least one of the first plate and the second plate comprises a plurality of layers of the thermally conductive material.

6. The system of one of claims 1 and 2, wherein the first plate and the second plate cool a plurality of surfaces of the battery pack.

7. The system of one of claims 1 and 2, comprising a third plate coupled to the interstitial member.

8. The system of one of claims 1 and 2, wherein the thermally conductive material comprises aluminum.

9. The system of one of claims 1 and 2, wherein the thermally conductive material comprises an aluminum foil.

10. The system of one of claims 1 and 2, wherein the interstitial member and at least one of the first plate and the second plate are contiguous.

11. A system for thermal management of a battery pack comprising:

the battery pack comprising a plurality of cells;

an interstitial member between at least two cell of the plurality of cells;

a first plate coupled to the interstitial member; and

a flowing fluid capable of drawing heat generated by the battery pack from the interstitial member to the first plate, wherein the interstitial member comprises a thermally conductive material, and wherein the flowing fluid changes from a first flow direction to a second flow direction.

12. A system for thermal management of a battery pack comprising:

the battery pack comprising a plurality of cells;

an interstitial member between at least two cell of the plurality of cells;

a first plate coupled to the interstitial member; and

a flowing fluid capable of imparting heat to the first plate to the interstitial member and to the battery pack, wherein the interstitial member comprises a thermally conductive material, and wherein the flowing fluid changes from a first flow direction to a second flow direction.

13. The system of one of claims 11 and 12, wherein the first flow direction is the reverse direction of the second flow direction.

14. The system of one of claims 11 and 12, wherein the first flow direction is a different direction than the second flow direction.

15. The system of one of claims 11 and 12, wherein the first flow direction is 90 degrees rotated from the second flow direction.

16. The system of one of claims 11 and 12, comprising a control element capable of changing the first flow direction to the second flow direction in response to the flowing fluid reaching a predetermined temperature.

17. The system of one of claims 11 and 12, comprising a control element capable of changing the first flow direction to the second flow direction at a predetermined interval.

18. The system of claim 17, wherein the interval is periodic.

19. The system of one of claims 11 and 12, wherein the flowing fluid changes from the second flow direction to the first flow direction.

20. The system of one of claims 11 and 12, comprising a control element capable of changing the second flow direction to the first flow direction in response to the flowing fluid reaching a predetermined temperature.

21. The system of one of claims 11 and 12, comprising a control element capable of changing the second flow direction to the first flow direction at a predetermined interval.

22. The system of one of claims 11 and 12, wherein the cooling flowing fluid periodically changes from the second flow direction to a third flow direction.

23. The system of one of claims 11 and 12, comprising a control element capable of changing at least one of the first flow direction and the second flow direction to a third flow direction.

24. The system of one of claims 11 and 12, wherein the change in flow direction is in response to the flowing fluid reaching a predetermined temperature.

25. The system of one of claims 11 and 12, wherein the control element is capable of changing among the first flow direction, the second flow direction and the third flow direction in response to a temperature of at least one cell in the battery pack.

26. The system of one of claims 11 and 12, comprising a control element capable of changing among the first flow direction, the second flow direction, a third flow direction, and a fourth flow direction in response to the flowing fluid reaching a predetermined temperature in one of a plurality of predetermined locations.

27. The system of one of claims 11 and 12, comprising a control element capable of changing among the first flow direction, the second flow direction, a third flow direction, and a fourth flow direction in response to a temperature of at least one cell in the battery pack.

28. The system of claim 11 , comprising a control element capable of changing among the first flow direction, the second flow direction, and a third flow direction in response to a hot spot location in the battery pack.

29. The system of claim 12 , comprising a control element capable of changing among the first flow direction, the second flow direction, and a third flow direction in response to a cold spot location in the battery pack.

30. The system of one of claims 11 and 12, comprising a control element capable of applying the flowing fluid to the battery pack in an optimal flow direction.

31. The system of claim 30, wherein the optimal flow direction is chosen from the first flow direction and the second flow direction.

32. The system of claim 30, wherein the optimal flow direction is chosen from the first flow direction, the second flow direction, and a third flow direction.

33. The system of claim 30, wherein the optimal flow direction is chosen from the first flow direction, the second flow direction, a third flow direction, and a fourth flow direction.

34. The system of claim 30, wherein the optimal flow direction is the flow direction that will lower the temperature of a hot spot location in the battery pack.

35. The system of claim 30, wherein the optimal flow direction is the flow direction that will lower the temperature of a cold spot location in the battery pack.

36. The system of claim 30, wherein the optimal flow direction is the flow direction that will lower the temperature of a cell of battery pack.

37. The system of claim 30, wherein the optimal flow direction is the flow direction that will lower a temperature of the flowing fluid.

38. The system of claim 30, wherein the optimal flow direction is the flow direction that will raise a temperature of the flowing fluid.

39. The system of claim 30, wherein the optimal flow direction is the flow direction that will maintain the entire battery pack below a target temperature.

40. The system of claim 30, wherein the optimal flow direction is the flow direction that will maintain the entire battery pack above a target temperature.

41. The system of claim 30, wherein the optimal flow direction is the flow direction that will maintain the entire battery pack within at battery pack temperature gradient.

42. A system for thermal management of a battery pack comprising:

the battery pack comprising a plurality of cells;

an interstitial member between at least two cell of the plurality of cells;

a first plate coupled to the interstitial member;

a second plate coupled to interstitial member; and

a flowing fluid capable of drawing heat generated by the battery pack from the interstitial member to the first plate and capable of drawing the heat generated by the battery pack from the interstitial member to the second plate, wherein the interstitial member comprises a thermally conductive material, and wherein the system is capable of flowing the flowing fluid in a first flow direction and in a second flow direction.

43. A system for thermal management of a battery pack comprising:

the battery pack comprising a plurality of cells;

an interstitial member between at least two cell of the plurality of cells;

a first plate coupled to the interstitial member;

a second plate coupled to interstitial member; and

a flowing fluid capable of imparting heat from the flowing fluid to the first plate to the interstitial member and to the batteiy pack, and for imparting heat from the flowing fluid to the second plate to the interstitial member, and to the battery pack, wherein the interstitial member comprises a thermally conductive material, and wherein the system is capable of flowing the flowing fluid in a first flow direction and in a second flow direction.

44. The system of one of claims 42 and 43, wherein the system is capable of flowing the flowing fluid in the first flow direction and in the second flow direction at the same time.

45. The system of one of claims 42 and 43, wherein the first flow direction and the second flow direction are different directions.

46. The system of one of claims 42 and 43, wherein the system comprises a control element that is capable of changing in the flow direction of the flowing fluid from the first flow direction to the second flow direction, and from the second flow direction to the first flow direction.

47. The system of claim 46, wherein changing the flow direction is in response to at least one of:

a predetermined time interval,

the flowing fluid reaching a predetermined temperature,

the flowing fluid reaching a predetermined temperature in one of a plurality of predetermined locations,

a temperature of at least one cell in the battery pack,

a cold spot location in the battery pack, and

a hot spot location in the battery pack.

48. The system of claim 4, wherein the control element is capable of changing among the first flow direction, the second flow direction and the third flow direction in response to at least one of:

a predetermined time interval,

the flowing fluid reaching a predetermined temperature,

the flowing fluid reaching a predetermined temperature in one of a plurality of predetermined locations,

a temperature of at least one cell in the battery pack,

a cold spot location in the battery pack, and

a hot spot location in the battery pack.

49. The system of claim 46, comprising a control element capable of changing among the first flow direction, the second flow direction, a third flow direction, and a fourth flow direction in response to at least one of:

a predetermined time interval,

the flowing fluid reaching a predetermined temperature,

the flowing fluid reaching a predetermined temperature in one of a plurality of predetermined locations,

a temperature of at least one cell in the battery pack,

a cold spot location in the battery pack, and

a hot spot location in the battery pack.

50. The system of claim 46, wherein the control element is capable of applying the flowing fluid to the battery pack in an optimal flow direction.

51. The system of claim 50, wherein the optimal flow direction is chosen from the first flow direction and the second flow direction.

52. The system of claim 50, wherein the optimal flow direction is chosen from the first flow direction, the second flow direction, and a third flow direction.

53. The system of claim 50, wherein the optimal flow direction is chosen from the first flow direction, the second flow direction, a third flow direction, and a fourth flow direction.

54. The system of claim 50, wherein the optimal flow direction is the flow direction that will at least one of:

lower the temperature of a hot spot location in the battery pack,

lower the temperature of a cell of battery pack,

lower a temperature of the flowing fluid

raise the temperature of a cold spot location in the battery pack,

raise the temperature of a cell of the battery pack,

raise a temperature of the flowing fluid,

maintain the battery pack within a temperature range,

maintain the entire battery pack above a target temperature, and

maintain the entire battery pack below a target temperature.

55. The system of claim 50, wherein the optimal flow direction can change between at least the first flow direction and the second flow direction in order to at least one of:

lower the temperature of a hot spot location in the battery pack,

lower the temperature of a cell of battery pack,

lower a temperature of the flowing fluid,

raise the temperature of a cold spot location in the battery pack,

raise the temperature of a cell of the battery pack,

raise a temperature of the flowing fluid,

maintain the battery pack within a temperature range,

maintain the entire battery pack above a target temperature, and

maintain the entire battery pack below a target temperature.

56. A method for thermal management of a battery pack comprising:

providing the battery pack comprising a plurality of cells and an interstitial member between at least two cell of the plurality of cells;

providing a plurality of plates coupled to the interstitial member; and providing a control element capable of flowing a fluid along the plurality of plates wherein the control element is capable of drawing heat generated by the battery pack in a first direction from the interstitial member to a first plate of the plurality of plates and wherein the control element is capable of drawing heat generated by the battery pack in a second direction from the interstitial member to a second plate of the plurality of plates, wherein the interstitial member comprises a thermally conductive material, and wherein the first direction is a different direction than the second direction.

57. A method for thermal management of a battery pack comprising:

providing the battery pack comprising a plurality of cells and an interstitial member between at least two cell of the plurality of cells;

providing a plurality of plates coupled to the interstitial member; and providing a control element capable of flowing a fluid along the plurality of plates, wherein the control element is capable of imparting heat in a first direction from the fluid to a first plate of the plurality of plates, to the interstitial member, and to the battery pack, wherein the control element is capable of imparting heat in a second direction from the fluid to a second plate of the plurality of plates, to the interstitial member, and to the batteiy pack,

wherein the interstitial member comprises a thermally conductive material, and wherein the first direction is a different direction than the second direction.

58. The method of one of claims 56 and 57, comprising providing the first plate adjacent a first surface of the battery pack, and providing the second plate adjacent a second surface of the battery pack.

59. The method of one of claims 56 and 57, wherein at least one of the first plate and the second plate comprises the thermally conductive material.

60. The method of one of claims 56 and 57, wherein at least one of the first plate and the second plate comprises a plurality of layers of the thermally conductive material.

61. The method of claim 56, wherein providing plurality of plates comprises providing a third plate and wherein the control element is capable of flowing the fluid along the third plate thereby drawing heat generated by the battery pack in a third direction from the interstitial member to the third plate.

62. The method of claim 57, wherein providing plurality of plates comprises providing a third plate and wherein the control element is capable of flowing the fluid along the third plate thereby imparting heat to the batteiy pack in a third direction from third plate to the interstitial member.

63. The method of one of claims 56 and 57, wherein the thermally conductive material comprises aluminum.

64. The method of one of claims 56 and 57, wherein the thermally conductive material comprises an aluminum foil.

65. The method of one of claims 56 and 57, wherein the interstitial member and at least one of the first plate and the second plate are contiguous.

66. A method for thermal management of a battery pack comprising:

providing the battery pack comprising a plurality of cells and an interstitial member comprising a thermally conductive material between at least two cells of the plurality of cells;

providing a first plate coupled to the interstitial member; and

providing a control element capable of drawing heat generated by the battery pack from the interstitial member to the first plate by

flowing a fluid along the first plate in a first flow direction, and flowing the fluid along the first plate in a second flow direction.

67. A method for thermal management of a battery pack comprising:

providing the battery pack comprising a plurality of cells and an interstitial member comprising a thermally conductive material between at least two cells of the plurality of cells;

providing a first plate coupled to the interstitial member; and

providing a control element capable of imparting heat to the battery pack from the interstitial member by

flowing a fluid along the first plate in a first flow direction, and flowing the fluid along the first plate in a second flow direction.

68. The method of one of claims 66 and 67, wherein the first plate is on multiple surfaces of the battery pack.

69. The method of one of claims 66 and 67, wherein the first flow direction is the reverse direction of the second flow direction.

70. The method of one of claims 66 and 67, wherein the control element is capable of flowing a fluid along the first plate in a first flow direction, and flowing the fluid along the first plate in a second flow direction simultaneously.

71. The method of one of claims 66 and 67, wherein the first flow direction is a different direction than the second flow direction.

72. The method of one of claims 66 and 67, wherein the first flow direction is 90 degrees rotated from the second flow direction.

73. The method of one of claims 66 and 67, wherein the control element is capable of changing the second flow direction to the first flow direction.

74. The method of one of claims 66 and 67, wherein the control element is capable of changing between the first flow direction and the second flow direction in response to at least one of:

a predetermined time interval,

the fluid reaching a predetermined temperature,

the fluid reaching a predetermined temperature at a predetermined location, the fluid reaching a predetermined temperature at one of a plurality of predetermined locations,

a temperature of at least one cell in the battery pack,

a cold spot location in the battery pack, and

a hot spot location in the battery pack.

75. The method of claim 74, wherein the interval is periodic.

76. The method of one of claims 66 and 67, wherein the control element is capable of changing at least one of the first flow direction and the second flow direction to a third flow direction.

77. The method of one of claims 66 and 67, wherein the control element is capable of changing among the first flow direction, the second flow direction, and a third flow direction in response to at least one of:

a predetermined time interval,

the cooling fluid reaching a predetermined temperature,

the cooling fluid reaching a predetermined temperature at a predetermined location, the cooling fluid reaching a predetermined temperature at one of a plurality of predetermined locations,

a temperature of at least one cell in the battery pack,

a cold spot location in the battery pack, and

a hot spot location in the battery pack.

78. The method of one of claims 66 and 67, wherein the control element is capable of changing among the first flow direction, the second flow direction, a third flow direction, and a fourth flow direction in response to at least one of:

a predetermined time interval,

the cooling fluid reaching a predetermined temperature,

the cooling fluid reaching a predetermined temperature at a predetermined location, the cooling fluid reaching a predetermined temperature at one of a plurality of predetermined locations,

a temperature of at least one cell in the battery pack,

a cold spot location in the battery pack, and

a hot spot location in the battery pack.

79. The method of one of claims 66 and 67, comprising providing a second plate coupled to the interstitial member.

80. The method of claim 79, wherein flowing the fluid in the first flow direction flows the fluid along the second plate in the first flow direction.

81. The method of claim 79, wherein flowing the fluid in the second flow direction flows the fluid along the second plate in the second flow direction.

82. The method of claim 79, wherein flowing the fluid in the first flow direction flows the fluid along the first plate and the second plate in the first flow direction.

83. The method of claim 79, wherein flowing the fluid in the second flow direction flows the fluid along the first plate and the second plate in the second flow direction.

84. The method of claim 79, wherein flowing the fluid in the first flow direction flows the fluid along the first plate in the second flow direction, and flowing the fluid in the second flow direction flows the fluid along the second plate in the second flow direction.

85. A method for thermal management of a battery pack comprising:

providing the battery pack comprising a plurality of cells and an interstitial member comprising a thermally conductive material between at least two cell of the plurality of cells;

providing a first plate coupled to the interstitial member; and

providing a control element capable of drawing heat generated by the battery pack from the interstitial member to the first plate by

determining an optimal fluid flow direction, and

flowing a fluid along the first plate in the optimal flow direction.

86. A method for thermal management of a battery pack comprising:

providing the batter)' pack comprising a plurality of cells and an interstitial member comprising a thermally conductive material between at least two cell of the plurality of cells;

providing a first plate coupled to the interstitial member; and

providing a control element capable of imparting heat to the battery pack from the interstitial member by

determining an optimal fluid flow direction, and

flowing a fluid along the first plate in the optimal flow direction.

87. The method of one of claims 85 and 86, wherein determining an optimal fluid flow direction comprises determining which of a first flow direction and a second flow direction is the optimal flow direction.

88. The method of one of claims 85 and 86, wherein the optimal flow direction is chosen from a first flow direction and a second flow direction.

89. The method of one of claims 85 and 86„ wherein the optimal flow direction is chosen from a first flow direction, a second flow direction, and a third flow direction.

90. The method of one of claims 85 and 86, wherein the optimal flow direction is chosen from a first flow direction, a second flow direction, a third flow direction, and a fourth flow direction.

91. The method of one of claims 85 and 86, wherein the optimal flow direction is the flow direction that will at least one of:

lower the temperature of a hot spot location in the battery pack,

lower the temperature of a cell of battery pack,

lower a temperature of the fluid,

raise the temperature of a cold spot location in the battery pack, raise the temperature of a cell of the battery pack,

raise a temperature of the fluid,

maintain the battery pack within a temperature range,

maintain the entire battery pack above a target temperature, and

maintain the entire battery pack below a target temperature.

92. The method of one of claims 85 and 86, wherein the optimal flow direction can change between a first flow direction and a second flow direction in order to at least one of:

lower the temperature of a hot spot location in the battery pack, lower the temperature of a cell of battery pack,

lower a temperature of the fluid,

raise the temperature of a cold spot location in the battery pack, raise the temperature of a cell of the battery pack,

raise a temperature of the fluid,

maintain the battery pack within a temperature range,

maintain the entire battery pack above a target temperature, and

maintain the entire battery pack below a target temperature.

93. The method of one of claims 85 and 86, wherein the optimal flow direction can change among a first flow direction, a second flow direction, and a third flow direction in order to at least one of:

lower the temperature of a hot spot location in the battery pack, lower the temperature of a cell of battery pack,

lower a temperature of the fluid,

raise the temperature of a cold spot location in the battery pack, raise the temperature of a cell of the battery pack,

raise a temperature of the fluid,

maintain the battery pack within a temperature range,

maintain the entire battery pack above a target temperature, and

maintain the entire battery pack below a target temperature.

94. The method of one of claims 85 and 86, wherein the optimal flow direction can change among a first flow direction, a second flow direction, a third flow direction, and a fourth flow direction in order to at least one of:

lower the temperature of a hot spot location in the battery pack, lower the temperature of a cell of battery pack,

lower a temperature of the fluid,

raise the temperature of a cold spot location in the battery pack, raise the temperature of a cell of the battery pack,

raise a temperature of the fluid,

maintain the battery pack within a temperature range,

maintain the entire battery pack above a target temperature, and maintain the entire battery pack below a target temperature.

95. The method of one of claims 85 and 86, wherein the optimal flow direction can be a first flow direction along a first side of the battery pack, and at the same time be a second flow direction along a second side of the battery pack, and said optimal flow direction can be chosen in order to at least one of:

lower the temperature of a hot spot location in the battery pack, lower the temperature of a cell of battery pack,

lower a temperature of the fluid,

raise the temperature of a cold spot location in the battery pack, raise the temperature of a cell of the battery pack,

raise a temperature of the fluid,

maintain the battery pack within a temperature range,

maintain the entire battery pack above a target temperature, and maintain the entire battery pack below a target temperature.

96. The method of one of claims 85 and 86, wherein the optimal flow direction can be a first flow direction along the first plate, and at the same time be a second flow direction along a second plate coupled to the interstitial member, and said optimal flow direction can be chosen in order to at least one of:

lower the temperature of a hot spot location in the battery pack, lower the temperature of a cell of battery pack,

lower a temperature of the fluid,

raise the temperature of a cold spot location in the battery pack, raise the temperature of a cell of the battery pack,

raise a temperature of the fluid,

maintain the battery pack within a temperature range,

maintain the entire battery pack above a target temperature, and maintain the entire battery pack below a target temperature.