Comment on "Negative Deviations from the Debye-Hückel Limiting Law for High-Charge Polyvalent Electrolytes: Are They Real?"
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Updated: Sep 14, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
Published on: August 12, 2013
Tarita Biver1, Francesco Malatesta1
1Dipartimento di Chimica e Chimica Industriale , Università di Pisa , Via Giuseppe Moruzzi 13 , 56124 Pisa , Italy.
Abstract:
A work ( Fraenkel , D. J. Chem. Theory Comput. 2018 , 14 , 2609 , DOI: 10.1021/acs.jctc.7b01260 ) was recently published in which, starting from data of activity coefficients of electrolytes determined by Malatesta and co-workers in the years 1992-2000, an incorrect conclusion is reached, i.e., that the negative deviations from the Debye-Hückel limiting law found at high dilution for high-charge polyvalent electrolytes were presumably not real. The present work shows the reasons why we cannot share his opinion. The negative deviations are supported both by the theory and by experimental demonstration.
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