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New Carbon Material Lab

New Carbon Material Lab. 前期所做工作. 磷酸鉄锂锂电正极材料的改性与研究. 秦国辉 日期： 2013.9.23. 内容提要. 研究背景与选题. 实验内容. 已做工作. New Carbon Material Lab. 研究背景与选题. 磷酸铁锂正极材料缺点： 电子和离子导电性差， 其中提高离子导电性占主导地位 , 主要以晶体取向为控制因素. 改进方法： 提高电子导电性通常以碳掺杂为主，而提高离子导电性重要通过减小粒径和控制形貌合成以减小离子扩散的距离来达到。. New Carbon Material Lab.

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New Carbon Material Lab

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  1. New Carbon Material Lab 前期所做工作 磷酸鉄锂锂电正极材料的改性与研究 秦国辉 日期：2013.9.23

  2. 内容提要 研究背景与选题 实验内容 已做工作 New Carbon Material Lab

  3. 研究背景与选题 磷酸铁锂正极材料缺点： 电子和离子导电性差， 其中提高离子导电性占主导地位,主要以晶体取向为控制因素 改进方法： 提高电子导电性通常以碳掺杂为主，而提高离子导电性重要通过减小粒径和控制形貌合成以减小离子扩散的距离来达到。 New Carbon Material Lab

  4. 制备 C/LiFePO4/MWCNTs 实验内容1 New Carbon Material Lab

  5. LiFePO4/MWCNTs 实验内容2 MWCNTs LFP/MWCNTs Particle-like Fe2+ -OH -COOH =O Li+ H2SO4/HNO3 H2SO4/HNO3 H3PO4 Shuttle-like NH4H2PO4 Disk-like (NH4)2HPO4 New Carbon Material Lab

  6. 电化学测试手段 实验内容 恒流冲放 循环伏安 交流阻抗 两电极 New Carbon Material Lab

  7. 已做工作 142×23 nm New Carbon Material Lab

  8. 已做工作 500nm 300nm 300nm New Carbon Material Lab

  9. 已做工作 New Carbon Material Lab

  10. 谢谢 Thanks for your attention!

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