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Stanford's Materials Science department have developed a method that makes use of core-shell nanowires for improved power rate and cycling life for the lithium battery.
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Abstract: Researchers in Stanford's Materials Science department have developed a method that makes use of core-shell nanowires for improved power rate and cycling life for the lithium battery. The technique involves a simple one-step synthesis for growing silicon crystalline-amorphous core-shell nanowires directly onto stainless steel substrates. These core-shell nanowires have high charge storage capacity, long cycle life and high power rate. Applications: Lithium ion batteries Advantages: High energy density Good cycle performace High power rate Publications: L.-F. Cui, R. Ruffo, C. K. Chan, H. Peng, Y. Cui, "Crystalline-Amorphous Core-Shell Silicon Nanowires for High Capacity and High Current Battery Electrodes", Nano Lett. 9, 491-495 (2009).