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Dr. Bingkun Guo, Dr. Qingyu Kong, Dr. Ying Zhu, Ya Mao, Prof. Zhaoxiang Wang, Prof. Meixiang Wan and Liquan Chen Electrochemically Fabricated Polypyrrole–Cobalt–Oxygen Coordination Complex as High-Performance Lithium-Storage Materials Chemistry - A European Journal 17

Article first published online: 30 NOV 2011 | DOI: 10.1002/chem.201002379

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Recharging the batteries: A polypyrrole–cobalt–oxygen complex was fabricated by electrochemically cycling PPy-coated Co3O4 between 0.0 and 3.0 V versus Li+/Li and proved to be a high-performance lithium-storage material. Raman and extended X-ray absorption fine structural spectroscopy and DFT calculations demonstrate that each cobalt atom is coordinated with two nitrogen atoms to form a PPy-Co layer, which are connected with oxygen atoms between them (see figure).

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