NaOH as an Aqueous Electrolyte to Improve the Performance of Electric Double-Layer Capacitors-A Molecular Dynamics Study.

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Article in Nanomaterials (Basel, Switzerland), 2025. 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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0 citing papers in PubMed.

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5 · Who and what money

Authors and funding

2 authors.

Lifeng NiShanghai Key Laboratory of Mechanics in Energy Engineering, School of Mechanics and Engineering Science, Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai Frontier Science Center of Mechanoinformatics, Shanghai 200072, China.ORCID 0009-0007-8031-8252

Jin YuShanghai Key Laboratory of Mechanics in Energy Engineering, School of Mechanics and Engineering Science, Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai Frontier Science Center of Mechanoinformatics, Shanghai 200072, China.ORCID 0000-0003-1074-2465

Funding

Funds for Creative Research Groups of China 12421002National Key Program of China 12132008

6 · The paper itself

Abstract

Aqueous electrolytes are widely used in supercapacitors (SCs) because of their high stability, wide voltage window, and safety features at elevated temperatures. Among alkaline electrolytes, KOH is most commonly used, and other electrolytes are less addressed. In this work, we meticulously investigated the diffusion behavior of Na+ and K+ in aqueous electrolytes going through hierarchical porous activated carbon materials by employing molecular dynamic simulations. Our results show that the diffusion coefficient of NaOH is much larger than that of KOH under different concentrations, electric fields, and temperatures. We attributed this to the radical of ions going through the mesopores with layered structures. The advantage of high diffusion and low cost of NaOH electrolyte suggests that it could be a potential candidate to improve the performance of SCs.

Indexed as

electric double layerNaOH electrolytesupercapacitors

Identifiers

PMID40358268

DOI10.3390/nano15090649

PMCPMC12073097

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.