Issue 24, 2022

Nucleation kinetics of lithium phosphate precipitation

Abstract

Lithium phosphate is an important material today in battery technology and catalysis, the source of which is gradually depleting. In this work we provide insights into the kinetics of lithium phosphate precipitation in a supersaturated solution, by monitoring the turbidity of a well-stirred reactant mixture at different concentrations and temperatures. The analysis of experimental data has revealed that nucleation can be described by a power law resembling mass action kinetics. The constructed reaction kinetic model that includes consecutive reversible complex formation preceding the heterogeneous reaction provides data which quantitatively match the experimental results, allowing detailed explanation of the mechanism of nucleation. Classical nucleation theory applied for the homogeneous nucleation of sparingly soluble salts is also consistent with the experiments.

Graphical abstract: Nucleation kinetics of lithium phosphate precipitation

Supplementary files

Article information

Article type
Paper
Submitted
09 mar 2022
Accepted
03 may 2022
First published
09 may 2022
This article is Open Access
Creative Commons BY-NC license

CrystEngComm, 2022,24, 4447-4453

Nucleation kinetics of lithium phosphate precipitation

M. Emmanuel, P. Papp, G. Schuszter, Á. Deák, L. Janovák, Á. Tóth and D. Horváth, CrystEngComm, 2022, 24, 4447 DOI: 10.1039/D2CE00333C

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