Structured silicon anode
AssigneeNexeon Limited
InventorMino Green
Life of this patent
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Abstract
A silicon/lithium battery can be fabricated from a silicon substrate. This allows the battery to be produced as an integrated unit on a chip. The battery includes a silicon anode formed from submicron diameter pillars of silicon fabricated on an n-type silicon wafer. The battery also includes a cathode including lithium.
Claims17
A method of fabricating an energy storage device comprising the steps of:
- forming an anode comprising an array of sub-micron silicon structures supported on a silicon substrate;
- forming a cathode comprising lithium;
- and
- arranging the anode and cathode in communication to form a battery.
A method of operating a battery, including a silicon anode comprising an array of sub-micron silicon pillars on a silicon substrate and a lithium cathode, the method comprising the step of forming a compound film on the silicon pillars during a charging step.
A method of fabricating an electrode to form a battery with a lithium cathode and a lithium-based electrolyte comprising forming sub-micron silicon pillars on a silicon substrate.
Dependencies are inferred from the claim text.