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Herein we present the preparation of novel multifunctional metallic nickel/oxide (Ni/NiO) hybrid nanomembranes with rough and undulating surface morphologies, by a physical deposition method combined with chemical etching and thermal oxidation. Benefiting from the advantages of intrinsic architecture and electrochemical catalysis of metallic nickel, the anodes can be discharged and charged at an ultrahigh...
Rolling their own: Naturally rolled‐up C/Si/C trilayer nanomembranes (see scheme) exhibit a high reversible capacity of about 2000 mAh g−1 at 50 mA g−1, and 100 % capacity retention at 500 mA g−1 after 300 cycles. This technique is general and could be applied to the fabrication of other battery materials that undergo large volume changes.
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