LITHIUM ALLOY-CARBON COMPOSITE NANOFIBERS AND METHODS OF FABRICATION
First Claim
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1. A nonwoven fabric comprising:
- one or more composite nanofibers comprising a carbon base structure and a plurality of nanoparticles retained by the carbon base structure, the nanoparticles comprising a lithium alloy or a lithium alloy precursor.
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Abstract
A carbon/nanoparticle nanofiber includes a carbon base structure and a plurality of nanoparticles that include a lithium alloy or a lithium alloy precursor. One or more nanofibers may be formed into a nonwoven fabric. The fabric may be utilized as an electrode, such as for example in a battery. The carbon/nanoparticle composite nanofiber may be fabricated by forming a polymer/nanoparticle nanofiber, such as for example by a spinning technique, and carbonizing the polymer/nanoparticle nanofiber.
22 Citations
40 Claims
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1. A nonwoven fabric comprising:
one or more composite nanofibers comprising a carbon base structure and a plurality of nanoparticles retained by the carbon base structure, the nanoparticles comprising a lithium alloy or a lithium alloy precursor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 16, 17, 18, 19, 20, 21, 22, 23)
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13. An electrode, the electrode comprising:
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a nonwoven fabric comprising one or more composite nanofibers, the one or more composite nanofibers comprising a carbon base structure and a plurality of nanoparticles retained by the carbon base structure, the nanoparticles comprising a lithium alloy or a lithium alloy precursor; and an electrically conductive structure disposed on and in electrical communication with the nonwoven fabric. - View Dependent Claims (14, 15)
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24. A method for fabricating a carbon/nanoparticle composite nanofiber, the method comprising:
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forming a polymer/nanoparticle nanofiber comprising a polymer base structure and a plurality of nanoparticles retained by the polymer base structure, the nanoparticles comprising a lithium alloy or a lithium alloy precursor; and carbonizing the polymer/nanoparticle nanofiber, wherein the polymer base structure is transformed to a carbon base structure and the nanoparticles are retained by the carbon base structure. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification