Designing interfacially stable Na-ion polymer electrolytes with tailored local solvation structures

Jun Pan; Xinran Gao; Yanhong Liu; Okkyun Seo; Rosantha Kumara; Yuwei Liu; Takeshi Watanabe; Bing Zhu; Zhongchao Bai; Shixue Dou; Nana Wang; Dongshuang Wu

doi:10.1039/D4CC06753C

Designing interfacially stable Na-ion polymer electrolytes with tailored local solvation structures†

Jun Pan,

‡^a Xinran Gao,‡^b Yanhong Liu,^c Okkyun Seo,^d Rosantha Kumara,

^d Yuwei Liu,^d Takeshi Watanabe,^d Bing Zhu,^a Zhongchao Bai,

^b Shixue Dou,^d Nana Wang*^e and Dongshuang Wu*^a

Author affiliations

* Corresponding authors

^a School of Materials Science & Engineering, Nanyang Technological University, Singapore 639798, Singapore

^b Institute of Energy Materials Science, University of Shanghai for Science and Technology, Shanghai 200050, P. R. China

^c School of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, China

^d Center for Synchrotron Radiation Research, Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan

^e Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales 2007, Australia
E-mail: Nana.Wang@uts.edu.au

Abstract

Azodicarbonamide (ADA) is selected as an additive to the polymer electrolyte (PE) to improve the stability of the NaFe_1/3Mn_1/3Ni_1/3O₂ cathode. ADA can capture hydrogen from the polymer and induce local structures, enhancing the ionic conductivity of the PE. Moreover, the dehydrogenated ADA can bond to Fe ions, preventing the PE from decomposing.

This article is part of the themed collection: Chemistry at the Forefront of the Sustainable Energy Transition

Chemical Communications

Designing interfacially stable Na-ion polymer electrolytes with tailored local solvation structures†

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Designing interfacially stable Na-ion polymer electrolytes with tailored local solvation structures

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