Battery system including batteries that have a plurality of positive terminals and a plurality of negative terminals

• US 8,632,898 B2
• Filed: 10/28/2004
• Issued: 01/21/2014
• Est. Priority Date: 10/28/2003
• Status: Active Grant

• Current Assignee: CPS Technology Holdings, LLC
• Original Assignee: Johnson Controls Technology Company (Johnson Controls International plc)
• Inventors: Dougherty, Thomas J., Symanski, James S., Kuempers, Joerg A., Koehler, Uwe, Miles, Ronald C., Hansen, Scott A., Smith, Nels R., Taghikhani, Majid, Mrotek, Edward N., Andrew, Michael G.
• Primary Examiner(s): Enin-Okut, Edu E
• Application Number:
  US10/976,169
• Publication Number:
  US 20050174092A1
• Time in Patent Office: 3,372 Days
• Field of Search: 429/120, 429/122, 429/123, 429/148, 429156-160, 429/178, 429/179
• US Class Current: 429/1
• CPC Class Codes: H01M 10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
• CPC Class Codes: H01M 10/486 for measuring temperature
• CPC Class Codes: H01M 10/52 Removing gases inside the secondary cell, e.g. by absorption vent plugs or other mechanical arrangements for facilitating escape of gases H01M50/30
• CPC Class Codes: H01M 10/613 Cooling or keeping cold
• CPC Class Codes: H01M 10/6551 Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
• CPC Class Codes: H01M 10/6563 with forced flow, e.g. by blowers
• CPC Class Codes: H01M 10/6566 Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers H01M10/6565 takes 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 50/30 Arrangements for facilitating escape of gases
• CPC Class Codes: H01M 50/503 characterised by the shape of the interconnectors
• CPC Class Codes: H01M 50/51 Connection only in series
• CPC Class Codes: H01M 50/517 by fixing means, e.g. screws, rivets or bolts
• CPC Class Codes: H01M 50/533 characterised by the shape of the leads or tabs
• CPC Class Codes: H01M 50/548 on opposite sides of the cell
• CPC Class Codes: H01M 50/559 Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells H01M50/553 takes precedence
• CPC Class Codes: H01M 50/578 in response to pressure
• CPC Class Codes: H01M 50/581 in response to temperature
• CPC Class Codes: H01M 6/10 with wound or folded electrodes
• CPC Class Codes: H01M 6/42 Grouping of primary cells into batteries H01M6/40 takes precedence
• CPC Class Codes: H01M 6/5038 Heating or cooling of cells or batteries
• CPC Class Codes: Y02E 60/10 : Energy storage using batteries
• CPC Class Codes: Y02T 10/70 : Energy storage systems for electromobility, e.g. batteries

Abstract

A lithium battery for use in a vehicle includes a container, a plurality of positive terminals extending from a first end of the lithium battery, and a plurality of negative terminals extending from a second end of the lithium battery. The plurality of positive terminals are provided in a first configuration and the plurality of negative terminals are provided in a second configuration, the first configuration differing from the second configuration. A battery system for use in a vehicle may include a plurality of electrically connected lithium cells or batteries.

Claims

1. A battery system comprising:

a plurality of electrically connected lithium batteries, wherein each lithium battery includes a first positive terminal and a second positive terminal extending from a first end thereof and a first negative terminal and a second negative terminal extending from a second end thereof, wherein the first positive terminal and the second positive terminal of each lithium battery are separated by a first distance and the first negative terminal and the second negative terminal of each lithium battery are separated by a second distance, the first distance differing from the second distance to assure correct orientation of each lithium battery.

2. The battery system of claim 1 wherein the lithium batteries comprise lithium cells.

3. The battery system of claim 2 wherein the plurality of electrically connected lithium batteries are provided within a module, the module being configured according to the first distance and the second distance to assure correct orientation of the plurality of lithium batteries within the module.

4. The battery system of claim 1 wherein the plurality of lithium batteries are provided such that the positive terminals of each of the batteries are adjacent the negative terminals of an adjacent battery.

5. The battery system of claim 1 further comprising a connector for electrically connecting at least one negative terminal of a first of the plurality of lithium batteries to at least one positive terminal of a second of the plurality of lithium batteries.

6. The battery system of claim 5 wherein the connector comprises an element configured to assist in removing heat from the at least one negative terminal of the first of the plurality of lithium batteries and the at least one positive terminal of the second of the plurality of lithium batteries.

7. The battery system of claim 6 wherein the element configured to assist in removing heat comprises a fin.

8. The battery system of claim 5 wherein the connector includes a plurality of apertures, each of the apertures configured to receive a terminal of a battery therethrough.

9. The battery system of claim 8 wherein the connector comprises a material configured to allow the apertures to expand when the connector is cooled.

10. The battery system of claim 8 wherein the connector is secured to the at least one negative terminal of the first of the plurality of lithium batteries and the at least one positive terminal of the second of the plurality of lithium batteries by engagement between the terminals and walls of the plurality of apertures.

11. The battery system of claim 10 wherein the at least one negative terminal of the first of the plurality of lithium batteries and the at least one positive terminal of the second of the plurality of lithium batteries to which the connector is secured each have a fastener provided therein to expand the terminals.

12. The battery system of claim 5 wherein the at least one negative terminal of the first of the plurality of lithium batteries and the at least one positive terminal of the second of the plurality of lithium batteries have a threaded surface and are coupled to the connector using a threaded fastener.

13. The battery system of claim 1 wherein each lithium battery includes a container comprising a conductive material.

14. The battery system of claim 13 wherein the container has a generally oval shape.

15. The battery system of claim 1 wherein the battery system further comprises at least one channel provided at a top portion of the battery system for directing a fluid past a first group of the battery terminals and at least one channel provided at a bottom portion of the battery system for directing a fluid past a second group of different battery terminals.

16. The battery system of claim 15 wherein the top portion of the battery system includes a first channel for directing a fluid past the first group of the battery terminals and a second channel for directing a fluid past the second group of the battery terminals, the first channel having each of the terminals of the first group provided therein and the second channel having each of the terminals of the second group provided therein, wherein the first group of terminals includes one terminal from each of the lithium batteries, and the second group of terminals includes another terminal from each of the lithium batteries.

17. The battery system of claim 16 further comprising a third channel provided at the top portion of the battery system for directing gases from at least a portion of the plurality of lithium batteries.

18. The battery system of claim 17 wherein the third channel is provided between the first channel and the second channel.

19. The battery system of claim 17 wherein the third channel is aligned with vent ports provided in the at least a portion of the plurality of lithium batteries to allow gas expelled through the vent ports to enter the third channel.

20. The battery system of claim 1 wherein the battery system comprises means for passing a fluid past the terminals of the plurality of lithium batteries.

21. The battery system of claim 20 wherein the means for passing a fluid past the terminals of the plurality of lithium batteries comprises a fan.

22. The battery system of claim 1 wherein the battery system comprises a system for collecting gases expelled from at least one of the plurality of lithium batteries.

23. The battery system of claim 22 wherein the system for collecting gases comprises means for disconnecting the battery system from a vehicle power system.

24. The battery system of claim 22 wherein the system for collecting gases comprises a member configured to move when gas pressure exceeds a predetermined threshold, the member configured to effect disconnection of the battery system when the gas pressure exceeds the predetermined threshold.

25. The battery system of claim 22 wherein the system for collecting gases comprises a material for collecting materials carried in the collected gases.

26. The battery system of claim 25 wherein the material for collecting materials carried in the collected gases comprises a material selected from the group consisting of activated carbon, an absorptive glass mat material, and combinations thereof.

27. The battery system of claim 1 wherein the battery system comprises at least one device for monitoring a temperature of at least one of the plurality of lithium batteries.

28. The battery system of claim 27 wherein the at least one device for monitoring a temperature of at least one of the plurality of lithium batteries comprises at least one of an infrared thermometer and a laser thermometer.

29. A battery system comprising:

a plurality of electrically connected lithium batteries, wherein each lithium battery comprises a container, a first positive terminal and a second positive terminal extending form a first end of the container, and a first negative terminal and a second negative terminal extending from a second end of the container;

wherein the first positive terminal and the second positive terminal are separated by a first distance and the first negative terminal and the second negative terminal are separated by a second distance, the first distance differing from the second distance.

30. The battery system of claim 29 wherein the plurality of electrically connected lithium batteries are provided within a module, the module being configured according to the first distance and the second distance to assure correct orientation of the plurality of lithium batteries within the module.

31. The battery system of claim 30 wherein correct orientation includes the first positive terminal and the second positive terminal of each lithium battery being provided adjacent to the first negative terminal and the second negative terminal, respectively, of an adjacent lithium battery within the module.

32. The battery system of claim 31 wherein the module will not allow improper insertion of each lithium battery within the module.

33. The battery system of claim 29 wherein the first and second positive terminals and the first and second negative terminals each include a threaded portion.

34. The battery system of claim 29 wherein the first positive terminal, the second positive terminal, the first negative terminal, and the second negative terminal are configured to provide for heat transfer from each of the plurality of lithium batteries.

35. The battery system of claim 29 wherein first positive terminal, the second positive terminal, the first negative terminal, and the second negative terminal are configured to provide enhanced current distribution for each of the plurality of lithium batteries as compared to a battery having only a single positive terminal and a single negative terminal.

36. The battery system of claim 29 wherein for each lithium battery, the first positive terminal and the second positive terminal are coupled to the container.

37. The battery system of claim 29 wherein the container has a generally oval shape.

38. The battery system of claim 29 wherein at least one positive electrode, at least one negative electrode, and a separator provided intermediate the at least one positive electrode and the at least one negative electrode are provided within the container.

39. The battery system of claim 38 wherein the at least one positive electrode and the at least one negative electrode are provided within the container such that a first portion of the at least one positive electrode extends beyond a first portion of the at least one negative electrode at a first end of the container and a second portion of the at least one negative electrode extends beyond a second portion of the at least one positive electrode at a second end of the container.

40. The battery system of claim 38 further comprising a member coupled to a portion of the at least one positive electrode and to at least one of the terminals.

41. The battery system of claim 40 wherein the member has a generally crescent shape.

42. The battery system of claim 40 further comprising a material provided in at least a portion of a space between the at least one positive electrode and the at least one negative electrode for preventing unwanted material from entering the space.

43. The battery system of claim 42 wherein the material is an epoxy.

44. The battery system of claim 40 further comprising at least one fin extending between a surface of the member and the at least one terminal for providing at least one of enhanced heat transfer from within each of the plurality of lithium batteries and enhanced conductivity for each of the plurality of lithium batteries.

45. The battery system of claim 29 further comprising a first cap coupled to the container and provided at the first end of each of the plurality of lithium batteries and a second cap coupled to the container and provided at the second end of each of the plurality of lithium batteries.

46. The battery system of claim 45 wherein the first cap and the second cap include at least one vent port for allowing removal of gases from within each of the plurality of lithium batteries.

47. The battery system of claim 45 wherein the first cap and the second cap comprise a polymeric material.

48. The battery system of claim 45 wherein the first cap and the second cap are configured to act as spacers to prevent contact between the containers of adjacent batteries.

49. The battery system of claim 29 wherein the container includes an outer surface, and further comprising a plurality of features extending from the outer surface of the container for providing enhanced heat transfer for the container.

50. The battery system of claim 29 further comprising a mandrel provided in the battery for providing a structure around which at least one positive electrode and at least one negative electrode are wound.

51. A battery system comprising:

a plurality of lithium-ion cells electrically connected in series, wherein each lithium-ion cell includes a first positive terminal and a second positive terminal extending from a first end thereof and a first negative terminal and a second negative terminal extending from a second end thereof, wherein the first positive terminal and the second positive terminal of each lithium-ion cell are separated by a first distance and the first negative terminal and the second negative terminal of each lithium-ion cell are separated by a second distance to assure that the plurality of lithium-ion cells are properly connected.

52. The battery system of claim 51 further comprising a means for directing a fluid past the first and second positive terminals and the first and second negative terminals to remove heat from the plurality of lithium-ion cells.

53. The battery system of claim 52 wherein the means for directing a fluid comprises at least one channel.

54. The battery system of claim 51 further comprising means for directing gas expelled from the plurality of lithium-ion cells.

55. The battery system of claim 54 wherein the means for directing gas expelled from the plurality of lithium-ion cells comprises at least one channel aligned with vent ports provided in the plurality of the lithium-ion cells.

56. The battery system of claim 54 further comprising a system for collecting gas expelled from the plurality of lithium-ion cells.

57. The battery system of claim 51 wherein the plurality of electrically connected lithium-ion cells are provided within a module, the module being configured according to the first distance and the second distance to assure correct orientation of the plurality of lithium-ion cells within the module.

58. The battery system of claim 51 further comprising a connector for electrically connecting a negative terminal of a first of the plurality of lithium-ion cells to a positive terminal of a second of the plurality of lithium-ion cells.

59. The battery system of claim 51 wherein each lithium-ion cell includes a container comprising a material that is configured to conduct heat.

60. A battery system comprising:

a plurality of electrically connected cells, wherein each electrically connected cell comprises a container, a first terminal set having a first terminal and a second terminal, and a second terminal set having a third terminal and a fourth terminal, wherein the first terminal set is provided on a first end of the container and the second terminal set is provided on a second end of the container, wherein the first terminal set and second terminal set of each electrically connected cell are configured different from one another, such that the distance between the first and second terminals is different than the distance between the third and fourth terminals to assure that the plurality of electrically connected cells are properly connected.

61. The battery system of claim 60 further comprising a first path for heat transfer across the first terminal set of each of the plurality of cells and a path configured to direct a flow of effluent from at least one of the plurality of cells.

62. The battery system of claim 61 wherein the first path for heat transfer is defined by a plurality of channels.

63. The battery system of claim 62 wherein each of the plurality of channels are configured to allow a fluid to be passed across at least one terminal included in the first terminal set of each of the plurality of cells.

64. The battery system of claim 63 wherein each cell is connected to at least one adjacent cell by a connector, at least a portion of the connector provided within one of the plurality of channels.

65. The battery system of claim 61 wherein the first path for heat transfer across the first terminal set of each of the plurality of cells is located at a top portion of the battery system.

66. The battery system of claim 64 further comprising a second path for heat transfer across the second terminal set of each of the plurality of cells.

67. The battery system of claim 65 wherein the second path for heat transfer across the second terminal set of each of the plurality of cells is located at a lower portion of the battery system.

68. The battery system of claim 61 wherein each cell comprises a vent.

69. The battery system of claim 68 wherein each of the vents is in communication with the path configured to direct the flow of effluent.

70. The battery system of claim 60 wherein each cell has a rounded elongate cross-section.

71. The battery system of claim 60 wherein the first terminal and second terminal have the same polarity.

72. The battery system of claim 71 wherein the third terminal and the fourth terminal have the same polarity.

73. The battery system of claim 60 wherein the plurality of cells are electrically connected along a first path for electrical connectivity across a top portion of the battery system and along a second path for electrical connectivity across a bottom portion of the battery system.

74. The battery system of claim 73 wherein the first path for electrical connectivity and the second path for electrical connectivity are connected through the plurality of cells.

75. The battery system of claim 61 wherein the path configured to direct the flow of effluent comprises a channel.

76. The battery system of claim 60 wherein the battery system further comprises a circuit configured to monitor electrical performance.

77. The battery system of claim 76 wherein the circuit is configured to monitor a temperature of the module.

78. The battery system of claim 76 wherein the circuit is configured to provide an output signal.

79. The battery system of claim 76 wherein the circuit is configured to monitor a condition of at least one cell.