Cation Vacancies in Feroxyhyte Nanosheets toward Fast Kinetics in Lithium-Sulfur Batteries.

Aimin Niu, Jinglin Mu, Jin Zhou, Xiaonan Tang, Shuping Zhuo

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Article in Nanomaterials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Aimin NiuSchool of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, China.

Jinglin MuSchool of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, China.ORCID 0000-0002-3330-2617

Jin ZhouSchool of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, China.ORCID 0000-0003-2993-6235

Xiaonan TangSchool of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, China.

Shuping ZhuoSchool of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, China.ORCID 0000-0003-3106-4173

Funding

National Natural Science Foundation of China 21978159National Natural Science Foundation of China 22078179Tarzan Scholars Foundation tsqn20182063

6 · The paper itself

Abstract

Lithium-sulfur batteries have attracted extensive attention owing to their environmental friendliness, abundant reserves, high specific discharge capacity, and energy density. The shuttling effect and sluggish redox reactions confine the practical application of Li-S batteries. Exploring the new catalyst activation principle plays a key role in restraining polysulfide shuttling and improving conversion kinetics. In this respect, vacancy defects have been demonstrated to enhance the polysulfide adsorption and catalytic ability. However, inducing active defects has been mostly created by anion vacancies. In this work, an advanced polysulfide immobilizer and catalytic accelerator is developed by proposing FeOOH nanosheets with rich Fe vacancies (FeVs). The work provides a new strategy for the rational design and facile fabrication of cation vacancies to improve the performance of Li-S batteries.

Indexed as

catalysisFe vacancieskineticslithium–sulfur batteries

Identifiers

PMID36903787

DOI10.3390/nano13050909

PMCPMC10005701

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