Electrode Including Nanostructures for Rechargeable Cells
First Claim
Patent Images
1. A lithium ion battery electrode comprising:
- a conductive substrate; and
silicon containing nanowires substrate rooted to the conductive substrate and configured for inserting and removing lithium ions during battery cycling maintaining capacity of at least about 1500 mAh/g after at least 20 cycles, the nanowires including a conductivity enhancement component for reducing electrical resistance of the nanowires.
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Abstract
A lithium ion battery electrode includes silicon nanowires used for insertion of lithium ions and including a conductivity enhancement, the nanowires growth-rooted to the conductive substrate.
215 Citations
23 Claims
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1. A lithium ion battery electrode comprising:
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a conductive substrate; and silicon containing nanowires substrate rooted to the conductive substrate and configured for inserting and removing lithium ions during battery cycling maintaining capacity of at least about 1500 mAh/g after at least 20 cycles, the nanowires including a conductivity enhancement component for reducing electrical resistance of the nanowires. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 22, 23)
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14. (canceled)
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17. A lithium ion battery comprising:
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a negative electrode including a conductive substrate and silicon containing nanowires substrate rooted to the conductive substrate and configured for inserting and removing lithium ions during battery cycling maintaining capacity of at least about 1500 mAh/g after at least 20 cycles, the nanowires including a conductivity enhancement component for reducing electrical resistance of the nanowires; a positive electrode; and a lithium ion transporting medium positioned between the negative electrode and the positive electrode.
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18. A method of manufacturing an electrode for use in a lithium ion battery, the method comprising:
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providing a conductive substrate; and forming silicon containing nanowires growth-rooted to the conductive substrate and configured for inserting and removing lithium ions during battery cycling maintaining capacity of at least about 600 mAh/g after at least 100 cycles. - View Dependent Claims (19, 20, 21)
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Specification