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BUCKLED SILICON NANOSTRUCTURES ON ELASTOMERIC SUBSTRATES FOR RECHARGEABLE LITHIUM ION BATTERIES
BUCKLED SILICON NANOSTRUCTURES ON ELASTOMERIC SUBSTRATES FOR RECHARGEABLE LITHIUM ION BATTERIES
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机译:可充电锂离子电池的弹性基底上的屈曲硅纳米结构
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摘要
A flexible silicon anode includes a flexible substrate, a layer of silicon with a thickness of 1 μm or less adhered to the flexible substrate, and a current collector in contact with the layer of silicon. A lithium ion battery cell includes a flexible silicon anode, a current collector in contact with the layer of silicon; a lithium cathode; a separator between the silicon anode and the lithium cathode; an electrolyte in contact with the silicon anode and the lithium cathode; and an electrical connection between the silicon anode and the lithium cathode. Forming the flexible silicon anode can include etching a silicon-on-insulator structure to form a silicon layer on the silicon substrate, treating the silicon layer, contacting the treated silicon layer with a flexible substrate, and separating the flexible substrate and the silicon substrate, thereby transferring the treated silicon layer from the silicon substrate to the flexible substrate.
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