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New article on Advanced Materials on Rational Design of ALD LFP 已有2人参与
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A new insight into the structural control of LFP via ALD for advanced Performance. A LiFePO 4 /CNT nanocomposite has been successfully synthesized using the ALD technique by a combination of Fe 2 O 3 , PO x , and Li 2 O subcycles. The annealed LiFePO 4 / CNTs exhibited exceptional battery performance as a cathode material, including excellent rate capability, high power density, and long lifetime. These advantages make the LiFePO 4 / CNT nanocomposite a competitive cathode material for the next generation of high-powered LIBs. Successful development of ALD process for LiFePO 4 promises it tremendous potential in 3D all-solid-state batteries. Moreover, this ALD process allows coating of an ultrathin layer of LiFePO 4 on LiMnPO 4 to improve the carbon coating on the latter by taking advantage of the catalytic reaction of Fe with C, thus enhancing its battery performance. In addition, this work establishes an suitable technique to customize LiFePO 4 model samples for fundamental studies, owing to its excellent controllability over the crystallinity, thickness, composition, and morphology of LiFePO 4 . The ALD strategy reported herein could also be extended to fabricate the other members of LiMPO 4 (M = Mn, Co, Ni), and thus paves a new way to synthesize complex cathode materials in a highly controllable fashion for rechargeable lithium batteries.  AD Mater.png |
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