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Recent Progress of Electrochemical Performance and Interface Analysis of Batteries

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A special issue of Batteries (ISSN 2313-0105). This special issue belongs to the section "Battery Mechanisms and Fundamental Electrochemistry Aspects".

Deadline for manuscript submissions: closed (16 October 2023) | Viewed by 6826

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Special Issue Editors

Dr. Longlong Wang

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Guest Editor

Department of Materials, University of Oxford, Oxford OX1 3PH, UK
Interests: all-solid-state batteries; cathode materials; interface issues; failure mechanism; ALD/MLD

Dr. Hui Gao

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Guest Editor

Department of Chemistry, University of Oxford, Mansfield Rd, Oxford OX1 3TA, UK
Interests: all-solid-state batteries; solid polymer electrolyte; polymer-based cathode materials

Special Issue Information

Dear Colleagues,

Lithium-ion batteries are currently the most advanced electrochemical energy storage technology due to a favorable balance of performance and cost properties. However, as traditional Li-ion chemistry is approaching its physicochemical limit, what can we do to further reduce the cost of batteries while increasing their energy density, life and safety? This Special Issue on the recent progress of the electrochemical performance and interface analysis of batteries will focus on how to improve the performance of conventional lithium-ion batteries and post-lithium-ion batteries, and insights into the failure/improvement mechanisms.

This Special Issue will present the recent upgradation of conventional lithium-ion batteries and the development of next-generation electrochemical energy storage technologies. The perspectives and design ideas about materials, interfaces, configurations and characterizations toward a better performance of batteries will be discussed.

Potential topics include, but are not limited to, the following:

Conventional lithium-ion batteries;
Post-lithium-ion batteries such as lithium–sulfur batteries, lithium–air batteries, solid-state batteries, sodium-ion batteries, magnesium-ion batteries and zinc-ion batteries;
Material design;
Electrochemical measurements;
Process optimization;
Safety evaluation;
Interface analysis;
Theoretical calculations.

Dr. Longlong Wang
Dr. Hui Gao
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. Batteries 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 2700 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

Li-ion batteries
post-lithium-ion batteries
electrochemical performance
interface analysis
mechanism studies
energy storage materials
material design
process optimization
high energy density
high safety
low cost

Published Papers (3 papers)

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Research

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14 pages, 4597 KiB

Open AccessArticle

Facile Synthesizing Yolk-Shelled Fe₃O₄@Carbon Nanocavities with Balanced Physiochemical Synergism as Efficient Hosts for High-Performance Lithium–Sulfur Batteries

by Lai Chen, Chenying Zhao, Yun Lu, Lingyi Wan, Kang Yan, Youxiang Bai, Zhiyu Liu, Xulai Yang, Yuefeng Su and Feng Wu

Batteries 2023, 9(6), 295; https://doi.org/10.3390/batteries9060295 - 29 May 2023

Cited by 2 | Viewed by 1089

Abstract

The severe “shuttle effect” of dissolved polysulfide intermediates and the poor electronic conductivity of sulfur cathodes cause capacity decay of lithium–sulfur batteries and impede their commercialization. Herein, we synthesized a series of well-designed yolk-shelled Fe₃O₄@carbon (YS-Fe₃O₄@C) nanocavities with different proportions of Fe₃O₄ as efficient sulfur hosts to stabilize polysulfide intermediates. The yolk-shelled nanocavity architectures were prepared through a facile method, which could effectively confine the active materials and achieve high conductivity. The polysulfide intermediate shuttle was successfully suppressed by a physiochemical synergism effect combining the retention of carbon shells and the adsorption of Fe₃O₄ nanoparticle cores. The highly conductive carbon shell provides efficient pathways for fast electron transportation. Meanwhile, the visible evolution of active materials and a reversible electrochemical reaction are revealed by in situ X-ray diffraction. With the balanced merits of enhanced electrical conductivity of carbon shell and optimal adsorption of Fe₃O₄ cores, the S/YS-27Fe₃O₄@C cathode (Fe₃O₄ accounts for 27 wt% in YS-Fe₃O₄@C) had the best electrochemical performance, exhibiting a high reversible specific capacity of 731.9 mAh g⁻¹ and long cycle performance at 1 C (capacity fading rate of 0.03% over 200 cycles). Full article

(This article belongs to the Special Issue Recent Progress of Electrochemical Performance and Interface Analysis of Batteries)

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13 pages, 5677 KiB

Open AccessEditor’s ChoiceArticle

The Stabilizing of 1T-MoS₂ for All-Solid-State Lithium-Ion Batteries

by Peidian Chong, Ziwang Zhou, Kaihong Wang, Wenhao Zhai, Yafeng Li, Jianbiao Wang and Mingdeng Wei

Batteries 2023, 9(1), 26; https://doi.org/10.3390/batteries9010026 - 29 Dec 2022

Cited by 9 | Viewed by 2859

Abstract

All-solid-state batteries (SSBs) are prospective candidates for a range of energy accumulation systems, delivering higher energy densities compared to batteries which use liquid electrolytes. Amongst the numerous solid-state electrolytes (SEs), sulfide-based electrolytes in particular have received more attention given that they have a high ionic conductivity. However, the incompatibility between the electrode and SEs is still an ongoing challenge that leads to poor electrochemical performance. In this work, we focus on 1T-MoS₂. It is well known that 1T metallic MoS₂ is unstable even at room temperature. However, we showed that 1T-MoS₂ can be stabilized at 600 °C for at least 2 h, and the 1T-MoS₂-600 interlayer spacing expanded to 0.95 nm. The high crystallinity of the 1T phase is highly compatible with solid electrolytes and coupled with the increased interlayer spacing, so in the all-solid-state lithium-ion battery (ALLLIB), we achieved outstanding cycling performance. At the current density of 0.2 C (1 C = 670 mA g⁻¹), this material delivered a capacity of 406 mA h g⁻¹ after 50 cycles. Full article

(This article belongs to the Special Issue Recent Progress of Electrochemical Performance and Interface Analysis of Batteries)

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Review

Jump to: Research

18 pages, 4433 KiB

Open AccessReview

In-Situ Polymerized Solid-State Polymer Electrolytes for High-Safety Sodium Metal Batteries: Progress and Perspectives

by Sijia Hu, Duo Wang, Zhixiang Yuan, Hao Zhang, Songwei Tian, Yalan Zhang, Botao Zhang, Yongqin Han, Jianjun Zhang and Guanglei Cui

Batteries 2023, 9(11), 532; https://doi.org/10.3390/batteries9110532 - 26 Oct 2023

Cited by 3 | Viewed by 1946

Abstract

The practical usage of sodium metal batteries is mainly hampered by their potential safety risks caused by conventional liquid-state electrolytes. Hence, solid-state sodium metal batteries, which employ inorganic solid electrolytes and/or solid-state polymer electrolytes, are considered an emerging technology for addressing the safety hazards. Unfortunately, these traditional inorganic/polymer solid electrolytes, most of which are prepared via ex-situ methods, frequently suffer from inadequate ionic conductivity and sluggish interfacial transportation. In light of this, in-situ polymerized solid-state polymer electrolytes are proposed to simplify their preparation process and simultaneously address these aforementioned challenges. In this review, the up-to-date research progress of the design, synthesis, and applications of this kind of polymer electrolytes for sodium batteries of high safety via several in-situ polymerization methods (including photoinduced in-situ polymerization, thermally induced in-situ free radical polymerization, in-situ cationic polymerization, and cross-linking reaction) are summarized. In addition, some perspectives, opportunities, challenges, and potential research directions regarding the further development of in-situ fabricated solid-state polymer electrolytes are also provided. We expect that this review will shed some light on designing high-performance solid-state polymer electrolytes for building next-generation sodium batteries with high safety and high energy. Full article

(This article belongs to the Special Issue Recent Progress of Electrochemical Performance and Interface Analysis of Batteries)

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