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. 2009 Jul 13;21(25-26):2703-2709.
doi: 10.1002/adma.200803038. Epub 2009 Apr 20.

The Role of Surface and Interface Energy on Phase Stability of Nanosized Insertion Compounds

Marnix Wagemaker  1 , Fokko M Mulder  1 , Anton Van der Ven  2
Affiliations
Free article

The Role of Surface and Interface Energy on Phase Stability of Nanosized Insertion Compounds

Marnix Wagemaker et al. Adv Mater. .
Free article

Abstract

Thermodynamic theory reveals the impact of surface and interface energies on the equilibrium properties and solubility limits of interstitial ions in nanosized crystallites. Applied to LixFePO4 especially interface energy contributions play important roles, and their effect explains observations of the narrowing of electrochemically measured miscibility gaps in nanostructured electrodes.

Keywords: Li-ion batteries; LiFePO4; hydrogen storage; nanoionics; thermodynamics.

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