Dry particle based capacitor and methods of making same
First Claim
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1. A process for manufacturing an electrode for use in an energy storage device product, the process comprising the steps of:
- supplying dry carbon particles;
supplying dry binder;
dry mixing the dry carbon particles and dry binder; and
dry fibrillizing the dry binder to create a matrix within which to support the dry carbon particles as a dry material.
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Abstract
An inexpensive and reliable dry process based capacitor and method for making a self-supporting dry electrode film for use therein is disclosed. Also disclosed in an exemplary process for manufacturing an electrode for use in an energy storage device product, the process comprising: supplying dry carbon particles; supplying dry binder; dry mixing the dry carbon particles and dry binder; and dry fibrillizing the dry binder to create a matrix within which to support the dry carbon particles as dry material.
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Citations
81 Claims
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1. A process for manufacturing an electrode for use in an energy storage device product, the process comprising the steps of:
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supplying dry carbon particles;
supplying dry binder;
dry mixing the dry carbon particles and dry binder; and
dry fibrillizing the dry binder to create a matrix within which to support the dry carbon particles as a dry material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method of manufacturing an electrode, comprising the steps of:
- mixing dry carbon and dry binder particles; and
forming a self-supporting film from the dry particles without the use of any processing additives. - View Dependent Claims (30)
- mixing dry carbon and dry binder particles; and
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31. An energy storage device product, comprising:
- a self supporting film comprising of a dry mix of dry carbon and dry binder particles.
- View Dependent Claims (32, 33, 34, 35, 36, 37)
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38. An energy storage device product, comprising:
- one or more self-supporting dry film comprising a dry fibrillized mix of dry binder and dry carbon particles.
- View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 51, 52, 53, 54, 55, 56, 57)
- 49. The product of clalm 42, wherein the substrate comprises a collector.
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58. An energy storage product, comprising:
- a dry fibrillized mix of dry binder and dry conductive particles formed into a continuous self supporting electrode film without the use or any processing additives.
- View Dependent Claims (59, 60, 61, 62)
- 63. A capacitor, comprising a film, the film including a dry fibrillized mix of dry binder and dry carbon particles, the film coupled to a collector, the collector shaped into a roll, the roll impregnated with an electrolyte and disposed within a sealed aluminum housing.
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74. An energy storage product, comprising:
- a dry fibrillized mix of dry binder and dry conductive particles formed into a continuous self supporting electrode film without the use of any processing additives;
wherein after 1 month of immersion in an acetonitrile type of electrolyte the film shows no visual damage.
- a dry fibrillized mix of dry binder and dry conductive particles formed into a continuous self supporting electrode film without the use of any processing additives;
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75. A capacitor, comprising:
- a double-layer electrode immersed in an electrolyte, wherein when charged at 100 amps to 2.5 volts and then discharged to 1.25 volts over 1,500,000 cycles the capacitor experiences less than a 30 percent drop in capacitance.
- View Dependent Claims (76)
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77. A method of using a capacitor, comprising the steps of:
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a. charging the capacitor from 1.25 volts to 2.5 volts at 100 amps;
b. discharging the capacitor to 1.25 volts; and
c. measuring less than a 30% drop in an initial capacitance of the capacitor after repeating step (a.) and step (b.) 70,000 times.
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78. A method of using a capacitor, comprising the steps of:
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b. charging the capacitor from 1.25 volts to 2.5 volts at 100 amps;
b. discharging the capacitor to 1.25 volts; and
c. measuring less than a 5% drop in an initial capacitance of the capacitor after repeating step (a.) and step (b.) 70,000 times.
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79. An energy storage device, comprising:
- dry process based electrode means for providing conductive electrode functionality in an energy storage device.
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80. A solventless method for manufacture of an energy storage device electrode, comprising the steps of:
- providing dry carbon particles;
providing dry binder particles; and
forming the dry carbon and dry binder particles into an energy storage device electrode without the substantial use of any solvent.
- providing dry carbon particles;
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81. A solventless method for manufacture of an energy storage device electrode, comprising the steps of:
- providing dry carbon particles;
providing dry binder particles; and
intermixing the dry carbon and dry binder particles to form an energy storage device electrode without the use of any solvent.
- providing dry carbon particles;
Specification