Rationally designed hybrids of NiCo2O4 and polymeric carbon nitride as faradaic electrodes with enhanced electrochemical performance
Rationally designed hybrids of NiCo2O4 and polymeric carbon nitride as faradaic electrodes with enhanced electrochemical performance
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DOI：
10.1016/j.electacta.2019.01.060
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发表时间：
2019-03
影响因子：
6.6
通讯作者：
Zhonghao Wang;Xun Hu;Li-na Wang;Bingjun Jin;Guojun Zou;Zhiwei Huang;Qing Liu;G. Hu;Kan Zhang-Kan
中科院分区：
文献类型：
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作者：
Zhonghao Wang;Xun Hu;Li-na Wang;Bingjun Jin;Guojun Zou;Zhiwei Huang;Qing Liu;G. Hu;Kan Zhang-Kan
Herein, electrochemically sluggish polymeric carbon nitride (PCN) is successfully introduced into NiCo2O4to form hybrids of NiCo2O4and PCN, in which PCN nanosheets are regarded as a substrate to promote the nucleation and subsequent in-situ growth of NiCo2O4nanosheets. The surface of as-prepared hybrids are rich in Ni and Co ions in low and high valence state, respectively. In addition, the hybrids exhibit more hydrophilic compared with that of pristine NiCo2O4due to its higher amounts of hydroxyl group. It has been found that the nitrogen species originated from PCN nanosheets tend to bond with the metal ions and electrolyte used, resulting in tuning the electronic structural states and coupling effects with NiCo2O4nanosheets. Owing to these structural characteristics, the electrochemical performance as faradaic electrode materials and long-term stability of optimized hybrid is much superior to the bare NiCo2O4nanosheets.
