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Micromachines
Special Issues
Advancing Energy Storage Techniques: Chemistry, Materials and Devices
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Advancing Energy Storage Techniques: Chemistry, Materials and Devices

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E：Engineering and Technology".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 302

Special Issue Editor

Dr. Yingmeng Zhang

E-Mail Website
Guest Editor
Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313000, China
Interests: exploring cost-efficient energy storage systems with reliable and inexpensive electrolytes and high utilization efficiency of electrode materials; controllable syntheses of energy storage materials with hierarchical, free-standing, or nano-arrayed electrode design; developing energy storage and conversion devices for extreme environments

Special Issue Information

Dear Colleagues,

The advancement of energy storage techniques focuses on the development and optimization of energy storage solutions to address the growing global energy demand and the integration of renewable energy sources. This field explores the chemistry and materials science behind high-performance batteries, capacitors, and other storage devices, aiming to enhance energy density, cycle life, and safety, while simultaneously reducing costs. Key areas of interest include the development of novel materials like solid-state electrolytes, advanced electrode materials, and the exploration of next-generation storage systems such as lithium–sulfur, sodium-ion, and aqueous and flow batteries. Additionally, the topic covers the design and engineering of energy storage devices, including system integration and the application of machine learning for performance optimization. The studies in question also address long-duration energy storage solutions and the environmental impact of storage technologies, emphasizing sustainability and recyclability. By combining multidisciplinary approaches, this Special Issue aims to drive innovation in energy storage, enabling more efficient and reliable energy systems for a sustainable future. Cross-disciplinary research, including mechanical energy storage systems, relies on the principles of mechanics and materials science, and architects integrate energy storage solutions like batteries and thermal storage systems into building designs to optimize energy use, enhance resilience, and support renewable energy sources.

Dr. Yingmeng Zhang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • energy storage and conversion devices
  • advanced materials
  • novel electrode design
  • cell engineering design
  • energy storage chemistry
  • energy storage mechanism
  • machine learning
  • multidisciplinary approaches

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Published Papers (1 paper)

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Research

16 pages, 4935 KiB  
Article
Interlayer-Spacing-Modification of MoS2 via Inserted PANI with Fast Kinetics for Highly Reversible Aqueous Zinc-Ion Batteries
by Shuang Fan, Yangyang Gong, Suliang Chen and Yingmeng Zhang
Micromachines 2025, 16(7), 754; https://doi.org/10.3390/mi16070754 (registering DOI) - 26 Jun 2025
Viewed by 162
Abstract
Layered transition metal dichalcogenides (TMDs) have gained considerable attention as promising cathodes for aqueous zinc-ion batteries (AZIBs) because of their tunable interlayer architecture and rich active sites for Zn2+ storage. However, unmodified TMDs face significant challenges, including limited redox activity, sluggish kinetics, [...] Read more.
Layered transition metal dichalcogenides (TMDs) have gained considerable attention as promising cathodes for aqueous zinc-ion batteries (AZIBs) because of their tunable interlayer architecture and rich active sites for Zn2+ storage. However, unmodified TMDs face significant challenges, including limited redox activity, sluggish kinetics, and insufficient structural stability during cycling. These limitations are primarily attributed to their narrow interlayer spacing, strong electrostatic interactions, the large ionic hydration radius, and their high binding energy of Zn2+ ions. To address these restrictions, an in situ organic polyaniline (PANI) intercalation strategy is proposed to construct molybdenum disulfide (MoS2)-based cathodes with extended layer spacing, thereby improving the zinc storage capabilities. The intercalation of PANI effectively enhances interplanar spacing of MoS2 from 0.63 nm to 0.98 nm, significantly facilitating rapid Zn2+ diffusion. Additionally, the π-conjugated electron structure introduced by PANI effectively shields the electrostatic interaction between Zn2+ ions and the MoS2 host, thereby promoting Zn2+ diffusion kinetics. Furthermore, PANI also serves as a structural stabilizer, maintaining the integrity of the MoS2 layers during Zn-ion insertion/extraction processes. Furthermore, the conductive conjugated PANI boosts the ionic and electronic conductivity of the electrodes. As expected, the PANI–MoS2 electrodes exhibit exceptional electrochemical performance, delivering a high specific capacity of 150.1 mA h g−1 at 0.1 A g−1 and retaining 113.3 mA h g−1 at 1 A g−1, with high capacity retention of 81.2% after 500 cycles. Ex situ characterization techniques confirm the efficient and reversible intercalation/deintercalation of Zn2+ ions within the PANI–MoS2 layers. This work supplies a rational interlayer engineering strategy to optimize the electrochemical performance of MoS2-based electrodes. By addressing the structural and kinetic limitations of TMDs, this approach offers new insights into the development of high-performance AZIBs for energy storage applications. Full article
(This article belongs to the Special Issue Advancing Energy Storage Techniques: Chemistry, Materials and Devices)
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