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Preparation, Characterization and Mechanism of Electrode Materials
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Preparation, Characterization and Mechanism of Electrode Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: closed (20 March 2023) | Viewed by 7646

Special Issue Editor

Prof. Dr. Yao Xiao

E-Mail Website
Guest Editor
Institute for Carbon Neutralization, College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, China
Interests: nanostructured electrode materials for battery applications; new layered oxide cathodes for advanced sodium–ion batteries; dynamic structural evolution; controllable phase transitions; local chemistry; orbital hybridization modulation

Special Issue Information

Dear Colleagues,

Climate change is already affecting the entire world, with extreme weather conditions due to burning fossil fuels like coal, oil and gas. Carbon neutralization means having a balance between emitting carbon and absorbing carbon from the atmosphere in carbon sinks and aims at the future “carbon age”, facing the interdisciplinary disciplines of environment, materials, chemistry, and physics. Electrode materials are one of the most important parts for batteries and other devices. This Special Issue aims at publishing preparation, characterization and mechanisms of electrode materials of environmental science, renewable energy, solar energy, fuel cells, batteries, hydrogen energy, energy harvesting devices, bioenergy, biofuels, electrocatalysis, photocatalysis, and others, especially focused on the structure–activity relationship between the interfacial phase structure, internal composition distribution, atomic space occupation/dislocation/vacancy of the electrode materials and the electrical properties. It serves as a high-quality platform for researchers working in a wide variety of scientific areas to communicate their findings and critical opinions as well as bring the communities of advanced material and energy together to contribute to this field, accelerating the transformation of energy structures to clean and low carbon, and promoting green technology innovation and carbon neutralization.

Prof. Dr. Yao Xiao
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. Materials is an international peer-reviewed open access semimonthly 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 2600 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 chemistry
  • energy storage and conversion
  • batteries
  • cathode materials
  • anode materials
  • electrochemistry
  • preparation
  • characterization
  • mechanism
  • structural evolution

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Published Papers (2 papers)

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Research

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10 pages, 4726 KiB  
Article
Carbon-Coated CuNb13O33 as A New Anode Material for Lithium Storage
by Jiazhe Gao, Songjie Li, Wenze Wang, Yinjun Ou, Shangfu Gao, Xuehua Liu and Chunfu Lin
Materials 2023, 16(5), 1818; https://doi.org/10.3390/ma16051818 - 22 Feb 2023
Cited by 1 | Viewed by 1380
Abstract
Niobates are very promising anode materials for Li+-storage rooted in their good safety and high capacities. However, the exploration of niobate anode materials is still insufficient. In this work, we explore ~1 wt% carbon-coated CuNb13O33 microparticles (C-CuNb13 [...] Read more.
Niobates are very promising anode materials for Li+-storage rooted in their good safety and high capacities. However, the exploration of niobate anode materials is still insufficient. In this work, we explore ~1 wt% carbon-coated CuNb13O33 microparticles (C-CuNb13O33) with a stable shear ReO3 structure as a new anode material to store Li+. C-CuNb13O33 delivers a safe operation potential (~1.54 V), high reversible capacity of 244 mAh g−1, and high initial-cycle Coulombic efficiency of 90.4% at 0.1C. Its fast Li+ transport is systematically confirmed through galvanostatic intermittent titration technique and cyclic voltammetry, which reveal an ultra-high average Li+ diffusion coefficient (~5 × 10–11 cm2 s−1), significantly contributing to its excellent rate capability with capacity retention of 69.4%/59.9% at 10C/20C relative to 0.5C. An in-situ XRD test is performed to analyze crystal-structural evolutions of C-CuNb13O33 during lithiation/delithiation, demonstrating its intercalation-type Li+-storage mechanism with small unit-cell-volume variations, which results in its capacity retention of 86.2%/92.3% at 10C/20C after 3000 cycles. These comprehensively good electrochemical properties indicate that C-CuNb13O33 is a practical anode material for high-performance energy-storage applications. Full article
(This article belongs to the Special Issue Preparation, Characterization and Mechanism of Electrode Materials)
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Review

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28 pages, 4990 KiB  
Review
Lithium-Ion Batteries under Low-Temperature Environment: Challenges and Prospects
by Hanwu Luo, Yuandong Wang, Yi-Hu Feng, Xin-Yu Fan, Xiaogang Han and Peng-Fei Wang
Materials 2022, 15(22), 8166; https://doi.org/10.3390/ma15228166 - 17 Nov 2022
Cited by 19 | Viewed by 4649
Abstract
Lithium-ion batteries (LIBs) are at the forefront of energy storage and highly demanded in consumer electronics due to their high energy density, long battery life, and great flexibility. However, LIBs usually suffer from obvious capacity reduction, security problems, and a sharp decline in [...] Read more.
Lithium-ion batteries (LIBs) are at the forefront of energy storage and highly demanded in consumer electronics due to their high energy density, long battery life, and great flexibility. However, LIBs usually suffer from obvious capacity reduction, security problems, and a sharp decline in cycle life under low temperatures, especially below 0 °C, which can be mainly ascribed to the decrease in Li+ diffusion coefficient in both electrodes and electrolyte, poor transfer kinetics on the interphase, high Li+ desolvation barrier in the electrolyte, and severe Li plating and dendrite. Targeting such issues, approaches to improve the kinetics and stability of cathodes are also dissected, followed by the evaluation of the application prospects and modifications between various anodes and the strategies of electrolyte design including cosolvent, blended Li salts, high-concentration electrolyte, and additive introduction. Such designs elucidate the successful exploration of low-temperature LIBs with high energy density and long lifespan. This review prospects the future paths of research for LIBs under cold environments, aiming to provide insightful guidance for the reasonable design of LIBs under low temperature, accelerating their widespread application and commercialization. Full article
(This article belongs to the Special Issue Preparation, Characterization and Mechanism of Electrode Materials)
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