ENCAPSULATED SULFUR CATHODES FOR RECHARGEABLE LITHIUM BATTERIES
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Abstract
A method of forming a sulfur-based cathode material includes: 1) providing a sulfur-based nanostructure; 2) coating the nanostructure with an encapsulating material to form a shell surrounding the nanostructure; and 3) removing a portion of the nanostructure through the shell to form a void within the shell, with a remaining portion of the nanostructure disposed within the shell.
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Citations
12 Claims
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1-5. -5. (canceled)
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6. A battery comprising:
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an anode; a cathode; and an electrolyte disposed between the anode and the cathode, wherein the cathode includes a hollow shell defining an internal volume and a sulfur-based material disposed within the internal volume, and the sulfur-based material occupies less than 100% of the internal volume to define a void. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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Specification