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Preparation of Micro/Nano-LiFePO4/C Cathode Material for Li-ion Batteries

Energy Research Institute of Shandong Academy of Sciences, Jinan, 250014, China

Corresponding Author Email:

yangg@sderi.cn

Received:

17 July 2014

| |

Accepted:

10 August 2014

| | Citation

396-article_text-550-1-10-20170707.pdf

OPEN ACCESS

Abstract:

LiFePO₄/C composite with micro/nano structure was synthesized via controlled crystallization-dry mixing-carbon thermal reduction method. As prepared micro/nano LiFePO₄/C composite show both excellent high-rate performance and high tap density as the cathode for lithium ion batteries. The tap density is 1.39 g·cm^-3 while the discharge specific capacities of 148.9, 145.3, 143.3 and 132.6 mAh·g^-1 are achieved at rates of 1 C, 2 C, 5 C and 10 C, respectively. This as-prepared micro/nano LiFePO₄/C composite material is suitable for large-scale application, such as electric vehicles and plug-in hybrid electric vehicles.

Keywords:

LiFePO₄; micro/nano; cathode

1. Introduction

2. Experimental

3. Results and Discussion

4. Conclusions

5. Acknowledgements

This work is supported by Natural Science Foundation of Shandong Province (Grant No.ZR2013BM023), Shandong Province Excellent Young Scientist Research Award Fund (Grant No.BS2012NJ010) and Jinan science and technology development plan (201402023).

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Preparation of Micro/Nano-LiFePO4/C Cathode Material for Li-ion Batteries