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Study of Precursor Preparation of Battery-Grade Lithium Iron Phosphate

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REWAS 2019

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

In this paper, ferric sulfate was extracted from titanium white waste acid as the iron source of lithium iron phosphate precursor. The ferric sulfate obtained from titanium white waste acid, ammonium phosphate tribasic, and ammonia hydroxide were used as raw materials through liquid precipitation method to obtain iron phosphate as the precursor of lithium iron phosphate. Under the premise of ensuring the synthesis of FePO4·2H2O, the effects of the pH , synthesis temperature and reaction time on the particle size of the resulting product were investigated. The results showed that high purity amorphous FePO4·2H2O with a median diameter of 38.4 μm was acquired through the condition of pH = 2, T = 25 °C, and t = 12 h, which meets the requirements for preparation of lithium iron phosphate and realizes high value-added utilization of discarded resources.

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Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (No. 51504059), the Fundamental Research Funds for the Central Universities (No. N162504016).

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Authors and Affiliations

  1. Key Laboratory of Ecological Metallurgy of Multi-metal Intergrown Ores of Ministry of Education, Special Metallurgy and Process Engineering Institute, School of Metallurgy of Northeastern University, Shenyang, 110819, China

    Li-li Zhang, Wei-guang Zhang, Ting-an Zhang, Qiu-yue Zhao, Ying Zhang, Jing Liu & Kun Wang

Authors
  1. Li-li Zhang
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  2. Wei-guang Zhang
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  3. Ting-an Zhang
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  4. Qiu-yue Zhao
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  5. Ying Zhang
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  6. Jing Liu
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  7. Kun Wang
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Corresponding author

Correspondence to Ting-an Zhang .

Editor information

Editors and Affiliations

  1. Alfred University, Alfred, NY, USA

    Gabrielle Gaustad

  2. Gopher Resource, Eagan, MN, USA

    Camille Fleuriault

  3. Norwegian University of Science and Technology, Trondheim, Norway

    Mertol Gökelma

  4. Purdue University, West Lafayette, IN, USA

    John A. Howarter

  5. Massachusetts Institute of Technology, Cambridge, MA, USA

    Randolph Kirchain

  6. Colorado State University, Fort Collins, CO, USA

    Kaka Ma

  7. Umicore, Olen, Belgium

    Christina Meskers

  8. IND LLC, South Jordan, UT, USA

    Neale R. Neelameggham

  9. Massachusetts Institute of Technology, Cambridge, MA, USA

    Elsa Olivetti

  10. Worcester Polytechnic Institute, Worcester, MA, USA

    Adam C. Powell

  11. Worcester Polytechnic Institute, Worcester, MA, USA

    Fiseha Tesfaye

  12. Johan Gadolin Process Chem Ctr, Abo Akademi University, Turku, Finland

    Dirk Verhulst

  13. ArcelorMittal Global R&D, Schererville, IN, USA

    Mingming Zhang

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© 2019 The Minerals, Metals & Materials Society

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Zhang, Ll. et al. (2019). Study of Precursor Preparation of Battery-Grade Lithium Iron Phosphate. In: Gaustad, G., et al. REWAS 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-10386-6_48

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