METHODS FOR IMPROVING LITHIUM ION BATTERY SAFETY
First Claim
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1. A method of powering an electronic device, comprising:
- a) providing an electronic device comprising a lithium ion cell wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12;
b) charging the lithium ion cell; and
c) discharging the lithium ion cell to power the electronic device;
wherein the lithium ion cell can be charged and discharged within a temperature range between 130°
C. and 250°
C. and voltage range between 1.5 V and 4.2 V, and wherein the charging and discharging of the lithium ion cell results in a safety coefficient greater than 100.
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Abstract
The methods and apparatus described herein include, in some variations, a method of powering an electronic device with a lithium ion cell that has a cathode and an anode. The anode is made, at least in part, of nano-crystalline Li4Ti5O12. The lithium ion cell is charged. The lithium ion cell is discharged to power the electronic device. The charging and discharging can take place within a temperature range between 130° C. and 250° C. and voltage range between 1.5 V and 4.2 V, and will results in a safety coefficient greater than 100.
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Citations
114 Claims
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1. A method of powering an electronic device, comprising:
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a) providing an electronic device comprising a lithium ion cell wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12; b) charging the lithium ion cell; and c) discharging the lithium ion cell to power the electronic device;
wherein the lithium ion cell can be charged and discharged within a temperature range between 130°
C. and 250°
C. and voltage range between 1.5 V and 4.2 V, and wherein the charging and discharging of the lithium ion cell results in a safety coefficient greater than 100. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of powering an electronic device, comprising:
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a) providing an electronic device comprising a lithium ion cell wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12; b) charging the lithium ion cell; and c) discharging the lithium ion cell to power the electronic device;
wherein the lithium ion cell can be charged and discharged within a temperature range between −
50°
C. and 5°
C. and voltage range between 1.5 V and 4.2 V, and wherein the operation results in a safety coefficient greater than 100. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of powering an electronic device, comprising:
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a) providing an electronic device comprising a lithium ion cell wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12; b) charging the lithium ion cell; and c) discharging the lithium ion cell to power the electronic device;
wherein the lithium ion cell can be charged and discharged within a temperature range between 130°
C. and 230°
C. and voltage range between 2 V and 4.2 V, and wherein the operation results in a safety coefficient greater than 1,000 and less than 20,000. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of powering an electronic device, comprising:
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a) providing an electronic device comprising a lithium ion cell wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12; b) charging the lithium ion cell; and c) discharging the lithium ion cell to power the electronic device;
wherein the lithium ion cell can be charged and discharged within a temperature range between −
50°
C. and 0°
C. and voltage range between 2 V and 4.2 V, and wherein the operation results in a safety coefficient greater than 1,000 and less than 20,000. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36)
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37. A computer-readable storage medium containing computer-executable instructions to charge and discharge a lithium ion cell to power an electric device, comprising instructions to:
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charge the lithium ion cell; discharging the lithium ion cell to power the electronic device;
wherein the lithium ion cell can be charged and discharged within a temperature range between 130°
C. and 250°
C. and voltage range between 1.5 V and 4.2 V, and wherein the charging and discharging of the lithium ion cell results in a safety coefficient greater than 100, and wherein the lithium ion cell comprises a cathode and an anode wherein the anode comprising nano-crystalline Li4Ti5O12. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45)
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46. A computer-readable storage medium containing computer-executable instructions to charge and discharge a lithium ion cell to power an electric device, comprising instructions to:
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charge the lithium ion cell; discharging the lithium ion cell to power the electronic device;
wherein the lithium ion cell can be charged and discharged within a temperature range between −
50°
C. and 5°
C. and voltage range between 1.5 V and 4.2 V, and wherein the charging and discharging of the lithium ion cell results in a safety coefficient greater than 100, and wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54)
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55. A measurement-while-drilling apparatus, wherein the apparatus comprises a lithium ion cell that can operate within a temperature range between 130°
- C. and 250°
C., and wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12. - View Dependent Claims (56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66)
- C. and 250°
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67. A logging-while-drilling apparatus, wherein the apparatus comprises a lithium ion cell that can operate within a temperature range between 130°
- C. and 250°
C., and wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12. - View Dependent Claims (68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78)
- C. and 250°
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79. A geocentric artificial satellite apparatus, wherein the apparatus comprises a lithium ion cell that can operate within a temperature range between −
- 50°
C. and 0°
C., and wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12. - View Dependent Claims (80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90)
- 50°
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91. A spacecraft apparatus, wherein the apparatus comprises a lithium ion cell that can operate within a temperature range between −
- 50°
C. and 0°
C., and wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12. - View Dependent Claims (92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102)
- 50°
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103. An aircraft apparatus, wherein the apparatus comprises a lithium ion cell that can operate within a temperature range between 130°
- C. and 250°
C., and wherein the lithium ion cell comprises an anode and cathode wherein the anode comprises nano-crystalline Li4Ti5O12. - View Dependent Claims (104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114)
- C. and 250°
Specification