Research & Development in Material Science

Lithium Iron Phosphate: Olivine Material for High Power Li-Ion Batteries

  • Open or Close Christian M Julien1*, Xiaoyu Zhang2 and Alain Mauger1

    1Department of Materials and Cosmology, Sorbonne University, France

    2SynPLi Consulting, CIAPS, France

    *Corresponding author: Christian M Julien, Department of Materials and Cosmology, Sorbonne University, UPMC Univ. Paris 6, UMR 7590, 4 Place Jussieu, 75005 Paris, France, Email: christian.julien@courriel.upmc.fr

Submission: September 14, 2017; Published: December 20, 2017

Volume2 Issue4
December 2017


Lithium iron phosphate LiFePO4 (LFP) has been selected as one of the positive electrode material of batteries for electric vehicles (EVs) and hybrid electric vehicles (HEVs), and more generally for high-power applications, owing to its thermal and structural stability in the fully charged state, its little hygroscopicity and its exceptional high-rate performance [1]. This material exhibits a relatively large specific capacity even at high C-rate (close to the theoretical value of 170 mAhg-1) compared with other iron-based compounds. This is because LFP has a well-developed crystalline lattice (olivine-like, orthorhombic structure, Pnma space group) with homogeneous particle size (<500nm), purity and physical properties that greatly influence the electrochemical performance of this electrode material.

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