Structured Nanomaterials for Practical Lithium-Sulfur Batteries and Beyond

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: closed (30 December 2024) | Viewed by 1615

Special Issue Editors

School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
Interests: nanostructured materials; supercapacitor electrode materials; composite electrode materials
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Guest Editor
School of Instrument and Electronics, North University of China, Taiyuan 030051, China
Interests: supercapacitor electrode materials; composite electrode materials; battery state estimation

Special Issue Information

Dear Colleagues,

Great attention has recently been paid to new energy storage devices owing to a growing demand for renewable energy. Lithium–sulfur batteries are regarded as one of the most promising next-generation electrochemical energy storage devices due to their ultra-high theoretical energy density and abundant sulfur resource. Over the course of commercializing of lithium–sulfur batteries, nanomaterials have opened up a brand new way to boost electrochemical performance and cycling life. The inherent issues in lithium–sulfur batteries can be alleviated through the structure modification strategy. The porous sulfur–host design structure differs from traditional pore structures constructed by stacking micro- and nano-structural units. The design of this porous structure may contribute to more efficient charge transfer and material exchange in the electrochemical process of a sulfur–host electrode. The presence of pores can increase the specific surface area of an electrode, thereby providing more reaction sites and subsequently enhancing the electrochemical performance of the electrode.

The present Special Issue of Nanomaterials is aimed at presenting comprehensive research on sulfur–host design and porous structured nanomaterials for lithium–sulfur batteries. This includes carbon-based materials, metal compound materials, polymer materials, and so on. We are inviting contributions from leading groups in the field to show the latest progress of nanomaterials in the field of lithium–batteries and shed light on the search of new generation energy storage devices.

Dr. Yan Wang
Dr. Xinyu Yan
Guest Editors

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Keywords

  • structured nanomaterials
  • energy storage
  • lithium–sulfur batteries
  • electrochemical

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Published Papers (1 paper)

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Research

9 pages, 5634 KiB  
Article
Suppression of Secondary Electron Emission by Vertical Graphene Coating on Ni Microcavity Substrate
by Xiaoning Zhang, Bin Tang, Jialong He, Hui Zhao, Ronghua Wang, Hao Gui, Xinlu Li, Kefu Liu, Jinshui Shi and Guomei Chang
Nanomaterials 2024, 14(15), 1268; https://doi.org/10.3390/nano14151268 - 29 Jul 2024
Cited by 1 | Viewed by 1298
Abstract
Suppression of secondary electron emission (SEE) from metal surfaces is crucial for enhancing the performance of particle accelerators, spacecraft, and vacuum electronic devices. Earlier research has demonstrated that either etching the metal surface to create undulating structures or coating it with materials having [...] Read more.
Suppression of secondary electron emission (SEE) from metal surfaces is crucial for enhancing the performance of particle accelerators, spacecraft, and vacuum electronic devices. Earlier research has demonstrated that either etching the metal surface to create undulating structures or coating it with materials having low secondary electron yield (SEY) can markedly decrease SEE. However, the effectiveness of growing vertical graphene (VG) on laser-etched metal surfaces in suppressing SEE remains uncertain. This study examined the collective impact of these methods by applying nanoscale arrays of VG coating using plasma-enhanced chemical vapor deposition on Ni substrates, along with the formation of micrometer-sized microcavity array through laser etching. Comparative tests conducted revealed that the SEY of the samples subjected to VG coating on a microcavity array was lower compared to samples with either only a microcavity array or VG coating alone. Additionally, the crystallinity of VG grown on substrates of varying shapes exhibited variations. This study presents a new method for investigating the suppression of SEE on metal surfaces, contributing to the existing body of knowledge in this field. Full article
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