4.6 Article

Effect of different carbon and nitrogen co-doping on electrochemical performance of LiFePO4/CN

期刊

MATERIALS LETTERS
卷 324, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.matlet.2022.132713

关键词

Composite materials; Organic; Hydro-thermal method; Lithium iron phosphate material

资金

  1. Jiangsu Industry-University- Research Project [1062100012]

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This paper prepared carbon-nitrogen co-doping lithium iron phosphate composite materials using a two-step hydrothermal method. Special organic small molecules were selected to induce and control the morphology of cathode materials to obtain excellent performance. The first discharge specific capacities of the three material groups at 0.2C were 149.1 mAhg(-1), 158.4 mAhg(-1), and 140 mAhg(-1), respectively.
In this paper, carbon-nitrogen co-doping lithium iron phosphate composite materials were prepared by two-step hydrothermal method. Special organic small molecules were selected to induce and control the morphology of cathode materials to obtain excellent performance. To modify the lithium iron phosphate material, polyaniline (PANI), dopamine (PDA), and melamine (M) were used as carbon and nitrogen co-doped composite materials. At 0.2C, the three material groups' first discharge specific capacities were 149.1 mAhg(-1), 158.4 mAhg(-1), and 140 mAhg(-1), respectively.

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