Structured silicon anode
First Claim
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1. An energy storage device comprising:
- an anode comprising an array of sub-micron structures comprising silicon, on a substrate;
a cathode comprising lithium; and
a lithium-based electrolyte, arranged to form a battery.
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Abstract
A silicon/lithium battery can be fabricated from a substrate. This allows the battery to be produced as an integrated unit on a chip. The battery includes an anode formed from an array of submicron structures including silicon fabricated on a substrate and a cathode including lithium.
119 Citations
19 Claims
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1. An energy storage device comprising:
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an anode comprising an array of sub-micron structures comprising silicon, on a substrate; a cathode comprising lithium; and a lithium-based electrolyte, arranged to form a battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A battery including an anode comprising:
- an array of sub-micron pillars comprising silicon fabricated on a substrate; and
a lithium cathode, wherein a compound film is formed on the pillars in a charging step. - View Dependent Claims (14, 15, 16)
- an array of sub-micron pillars comprising silicon fabricated on a substrate; and
- 17. An electrode for a battery comprising sub-micron pillars comprising silicon supported on a substrate and arranged to form a battery with a lithium cathode and a lithium-based electrolyte.
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19. An energy storage device comprising:
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an anode comprising an array of submicron structures comprising silicon, supported on a substrate; a cathode comprising lithium; and an electrolyte comprising lithium.
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Specification