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Crystals
Special Issues
Advanced Energy Storage and Conversion Nanomaterials
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Advanced Energy Storage and Conversion Nanomaterials

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Materials for Energy Applications".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 2574

Special Issue Editors

Dr. Runming Tao

E-Mail Website
Guest Editor
Department of Chemistry, Institute for Advanced Materials and Manufacturing, University of Tennessee, Knoxville, TN 37996, USA
Interests: nanoporous materials; Wadsley-Roth-phased niobates; lithium batteries
Dr. Cheng Li

E-Mail Website
Guest Editor
Neutron Scattering Division, Spallation Neutron Source, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
Interests: neutron scattering; neutron diffraction; high-entropy materials; crystallography
Dr. Xiao-Guang Sun

E-Mail Website
Guest Editor
Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
Interests: lithium-ion batteries; sodium-ion batteries; electrolytes; lonic liquids; additives; polymer electrolytes; surface modification and interface science
Dr. Jianlin Li

E-Mail Website
Guest Editor
Electrification and Energy Infrastructures Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
Interests: material development; processing and characterization; roll-to-roll manufacturing and testing for batteries; supercapacitors; fuel cells; sensors and mixed ionic and electronic conductors
Special Issues, Collections and Topics in MDPI journals
Dr. Jiyuan Liang

E-Mail Website
Guest Editor
School of Optoelectronic Materials & Technology, Jianghan University, Wuhan, China
Interests: lithium batteries; porous materials; carbon materials; synthesis science; supercapacitors
Special Issues, Collections and Topics in MDPI journals
Dr. Tianyu Zhang

E-Mail Website
Guest Editor
College of Environmental Science & Engineering, Beijing Forestry University, Beijing 100083, China
Interests: computational chemistry; crystals; lattice; inorganic chemistry; catalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over the past decade, the field of energy storage and conversion has undergone rapid development, driven by the growing demand for clean, reliable, and efficient energy sources. In this context, nanomaterials have emerged as a particularly promising avenue for achieving breakthroughs in this field. By leveraging the unique physical and chemical properties of nanomaterials, researchers have sought to develop new high-performance batteries, supercapacitors, fuel cells, and other energy conversion devices.

We are delighted to announce a Special Issue entitled "Advanced Energy Storage and Conversion Nanomaterials" in the Crystals journal. In this issue, we invite scholars, researchers, and practitioners from different disciplines to contribute original research articles or review articles in order to share their insights and ideas about the fascinating and rapidly evolving field of nanomaterial synthesis, characterization, and application in energy storage and conversion.

Potential topics include, but are not limited to:

  • New ideas for the design and fabrication of novel nanomaterials for energy storage/conversion;
  • Advanced structural and functional characterization techniques;
  • Mechanistic study of nanomaterials for energy storage/conversion through experiments or simulations;
  • Innovative energy storage and conversion applications of nanomaterials.

Dr. Runming Tao
Dr. Cheng Li
Dr. Xiao-Guang Sun
Dr. Jianlin Li
Dr. Jiyuan Liang
Dr. Tianyu Zhang
Guest Editors

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. Crystals 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

  • nanotechnology
  • nanomaterials
  • heterostructure
  • energy conversion and storage
  • batteries
  • supercapacitors
  • fuel cells
  • water splitting

Published Papers (2 papers)

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Research

13 pages, 3761 KiB  
Article
High-Performance Zr-Doped P3-Type Na0.67Ni0.33Mn0.67O2 Cathode for Na-Ion Battery Applications
by Sayoojyam Brahmanandan, Shantikumar Nair and Dhamodaran Santhanagopalan
Crystals 2023, 13(9), 1339; https://doi.org/10.3390/cryst13091339 - 1 Sep 2023
Cited by 2 | Viewed by 1247
Abstract
Sodium-ion battery (SIB) technology started to bloom along with lithium-ion batteries (LIBs) as a supportive energy source to alleviate the cost of lithium sources for the development of energy storage devices and electric vehicles. Layered cathode materials are considered potential candidates to produce [...] Read more.
Sodium-ion battery (SIB) technology started to bloom along with lithium-ion batteries (LIBs) as a supportive energy source to alleviate the cost of lithium sources for the development of energy storage devices and electric vehicles. Layered cathode materials are considered potential candidates to produce high-energy-density batteries. Among the layered cathode materials, P3-type cathodes are the least investigated in spite of their capacities, which are comparable to those of P2-type cathodes. P3-type cathodes show high polarization, leading to a poor cycle life, which impedes their extensive use in practical applications. In this work, we report on zirconium doping as an effective strategy to improve cycling stability and reduce voltage fading, another serious issue of layered cathode materials. It is found that an optimum composition of the P3-type cathode with Zr doping at the Mn site, leading to a composition of Na0.67Ni0.33Mn0.64Zr0.033O2, shows good electrochemical performance in terms of retention (89% after 100 cycles) when compared to Na0.67Ni0.33Mn0.60Zr0.067O2 (85% after 100 cycles) and an undoped sample (83% after 100 cycles). Also, remarkable performance is delivered by the Na0.67Ni0.33Mn0.64Zr0.033O2 sample, with a retention rate of 72% after 450 cycles. This result is also supported by an analysis of the amount of polarization for undoped and doped samples, which found that doping helps in improving the diffusion of ions, and the least polarization is obtained for the Na0.67Ni0.33Mn0.64Zr0.033O2 sample. Full article
(This article belongs to the Special Issue Advanced Energy Storage and Conversion Nanomaterials)
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11 pages, 3512 KiB  
Article
Controllable Synthesis and Surface Modifications of a Metastable O2-Type Li-Rich Cathode Material
by Yiming Sun, Junjie Huang, Hongzhou Zhang, Lianqi Zhang and Defa Wang
Crystals 2023, 13(8), 1154; https://doi.org/10.3390/cryst13081154 - 25 Jul 2023
Cited by 1 | Viewed by 1028
Abstract
Li-rich materials have become one of the most promising cathode candidates for next-generation lithium-ion battery systems due to their high capacity and operating voltage. Conventional O3-type Li-rich materials undergo a structural transition from a layered to a spinel phase during cycling, leading to [...] Read more.
Li-rich materials have become one of the most promising cathode candidates for next-generation lithium-ion battery systems due to their high capacity and operating voltage. Conventional O3-type Li-rich materials undergo a structural transition from a layered to a spinel phase during cycling, leading to the degradation in their electrochemical performance, especially in terms of their voltage decay. The oxygen atoms comprising the structure of O2-type Li-rich materials are stacked in the ABAC configuration, which can effectively suppress these harmful phase transitions. However, O2-type Li-rich materials are metastable structures and can only be synthesized via the means of complex ion exchange methods. In addition, the surface of the material is susceptible to side reactions with the electrolyte when charged to high voltages. Here, we explored the optimal conditions for the synthesis of O2-type Li[Li0.25Ni0.1Co0.05Mn0.6]O2 (LLNCM) in more detail by preparing the precursors using the sol-gel method. Meanwhile, the modification of the material’s surface via low-temperature hydrolysis of aluminum isopropoxide has been proposed for the first time in this study to avoid the damage of metastable materials by the high-temperature coating process. The surface-modified materials prepared under optimal conditions exhibited an excellent electrochemical performance, indicating that a highly stable O2-type bulk phase structure with effective surface modification is a potential way to promote the commercial applications of Li-rich cathode materials. Full article
(This article belongs to the Special Issue Advanced Energy Storage and Conversion Nanomaterials)
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