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Batteries
Special Issues
Advanced Electrolytes for Metal Ion Batteries
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Advanced Electrolytes for Metal Ion Batteries

A special issue of Batteries (ISSN 2313-0105). This special issue belongs to the section "Battery Materials and Interfaces: Anode, Cathode, Separators and Electrolytes or Others".

Deadline for manuscript submissions: closed (16 May 2023) | Viewed by 5450

Special Issue Editors

Dr. Jin Han

E-Mail Website
Guest Editor
International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
Interests: batteries; electrolytes; interface
Dr. Mariani Alessandro

E-Mail Website
Guest Editor
Department of Materials, Environmental Sciences and Urban Planning SIMAU, Università Politecnica delle Marche, 60121 Ancona, Italy
Interests: ionic liquids; X-ray scattering; computational molecular modelling; (halogen-free) electrolytes; batteries; fuel-cells

Special Issue Information

Dear Colleagues,

This Special Issue “Advanced Electrolytes for Metal Ion Batteries” is focused on advanced electrolytes for batteries that employ a variety of metal-Ion charge carriers, e.g., Li+, Na+, K+, Zn+, Mg2+, Ca2+, Al3+. As a critical component of batteries, electrolytes play a significant role in the performance of batteries. Under tremendous efforts of researchers, electrolytes have achieved great development. In terms of existing morphology, liquid, quasi-solid and all-solid-state electrolytes have been explored. Meanwhile, some functionalized electrolytes are developed to meet different application scenarios, e.g., absolute security/reliability, low/high temperature, high operating voltage, bending and wearable, et al. Nevertheless, electrolytes have a lot of room for improvement to further release the performance of batteries. Thus more intensive efforts should be devoted to investigation of electrolytes from theoretical understandings to experimental characterization.

We are therefore organizing this Special Issue in Batteries (ISSN: 2313-0105). In this Special Issue, we are looking for original and innovative papers as well as reviews relevant to electrolytes for all kinds of metal Ion Batteries.

Potential topics include but are not limited to:

  • Liquid, quasi-solid and all-solid-state electrolytes;
  • Solid electrolytes interface;
  • Interfacial design and evolution;
  • Ion-conductive mechanisms;
  • Safety evaluation for electrolytes ;
  • Characterization techniques and theoretical computations/simulations of electrolytes;
  • Materials Genome Initiative, artificial intelligence (AI) and machine learning (ML) of electrolytes.

In view of your international standing as a research scientist, we cordially invite you and your colleagues to contribute a manuscript.

Dr. Jin Han
Dr. Mariani Alessandro
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

  • liquid, quasi-solid and all-solid-state electrolytes
  • solid electrolytes interface
  • interfacial design and evolution
  • ion-conductive mechanisms
  • safety evaluation for electrolytes
  • characterization techniques and theoretical computations/simulations of electrolytes
  • materials genome initiative, artificial intelligence (AI) and machine learning (ML) of electrolytes

Published Papers (3 papers)

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Research

17 pages, 6857 KiB  
Article
Crosslinked Hyperbranched Polyglycerol-Based Polymer Electrolytes for Lithium Metal Batteries
by Niklas Neumann, Gideon Abels, Katharina Koschek and Laura Boskamp
Batteries 2023, 9(9), 431; https://doi.org/10.3390/batteries9090431 - 23 Aug 2023
Viewed by 1243
Abstract
Tailored partially methylated and methacrylated hyperbranched polyglycerols (hbPG-MAx/OMey) combined with lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) as conducting salt were investigated after crosslinking with respect to their application as solid polymer electrolytes (SPE) in lithium metal batteries. For sample preparation [...] Read more.
Tailored partially methylated and methacrylated hyperbranched polyglycerols (hbPG-MAx/OMey) combined with lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) as conducting salt were investigated after crosslinking with respect to their application as solid polymer electrolytes (SPE) in lithium metal batteries. For sample preparation and coating, a straightforward solvent-free photopolymerization method was applied. With the aim of finding the right balance between mechanical and electrochemical properties, electrolytes with different crosslinking densities were studied. High crosslink density increases mechanical integrity but reduces local chain motion and thus ionic conductivity at the same time. Differential scanning calorimetry (DSC), chronoamperometric and impedance measurements show that the hyperbranched polyether structure interacts strongly with lithium cations. Finally, the SPE with the lowest crosslinking density was selected and investigated in cycling tests due to the parameters of highest absolute values in conductivity (2.1 × 10−6 S cm−1 at 30 °C; 2.0 × 10−5 S cm−1 at 60 °C), lowest Tg (from DSC: −39 °C), electrochemical stability window (4.3 V vs. Li/Li+) and mechanical strength (1.6 ± 0.4 MPa at 25 °C). At low C-rates and elevated temperatures (60 °C), cells were cycled with high Coulombic efficiency. At high C-rates, a distinct decrease in specific capacity was observed due to insufficient ionic conductivity. Full article
(This article belongs to the Special Issue Advanced Electrolytes for Metal Ion Batteries)
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14 pages, 3749 KiB  
Article
Ion Transport Regulated Lithium Metal Batteries Achieved by Electrospun ZIF/PAN Composite Separator with Suitable Electrolyte Wettability
by Ting Liu, Xuemei Hu, Yadong Zhang, Ting He, Jianping Zhou and Junqiang Qiao
Batteries 2023, 9(3), 166; https://doi.org/10.3390/batteries9030166 - 09 Mar 2023
Cited by 6 | Viewed by 2321
Abstract
Lithium metal battery (LMB) is a topic receiving growing attention due to the high theoretical capacity, while its practical application is seriously hindered by the lithium dendrites issue. As the physical barrier between two electrodes, the separator can achieve dendrite suppression by means [...] Read more.
Lithium metal battery (LMB) is a topic receiving growing attention due to the high theoretical capacity, while its practical application is seriously hindered by the lithium dendrites issue. As the physical barrier between two electrodes, the separator can achieve dendrite suppression by means of providing higher mechanical strength, regulating ion transport and facilitating homogeneous lithium deposition. Based on this, a composite separator is fabricated with zeolitic imidazolate framework (ZIF-8) and polyacrylonitrile (PAN) via electrospinning techniques, and its physical properties and electrochemical performances, together with its dendrite suppression mechanism, are investigated. The ZIF8-PAN separator possesses a unique 3D interconnected porous skeleton, displaying higher electrolyte uptake, preferable electrolyte wettability, and lower thermal shrinkage compared with the commercial polypropylene separator. In addition, a battery assembled with the ZIF8-PAN separator can effectively regulate ion transport and suppress dendrites growth, which exhibits an enhanced ionic conductivity (1.176 mS/cm), an increased lithium-ion transference number (0.306), a wider electrochemical stability window (5.04 V), and superior cycling stability (over 600 h with voltage hysteresis of 30 mV). This work offers a promising strategy to realize safe separator for dendrite suppression in LMB. Full article
(This article belongs to the Special Issue Advanced Electrolytes for Metal Ion Batteries)
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12 pages, 3968 KiB  
Article
Multifunctional Multilayer Nanospheres for Ion Regulation in Lithium Metal Batteries
by Yan Li, Manjie Xiao, Chunli Shen, Haoqing Ma, Lianmeng Cui, Wei Yang, Tianhao Zhao, Yan Zhao and Xu Xu
Batteries 2023, 9(3), 149; https://doi.org/10.3390/batteries9030149 - 26 Feb 2023
Cited by 1 | Viewed by 1561
Abstract
Lithium metal anodes have the potential to break through the theoretical energy density bottleneck of commercial lithium ion batteries. However, the solid-electrolyte interphase (SEI) layer generated from the decomposition of traditional lithium metal electrolytes is destroyed during the lithium metal expansion process, resulting [...] Read more.
Lithium metal anodes have the potential to break through the theoretical energy density bottleneck of commercial lithium ion batteries. However, the solid-electrolyte interphase (SEI) layer generated from the decomposition of traditional lithium metal electrolytes is destroyed during the lithium metal expansion process, resulting in the growth of lithium dendrites and the formation of dead lithium. In this work, multilayer Fe3O4@Al(OH)3@ZnO (FAZ) nanospheres are prepared using a hydrothermal method to modify lithium metal anodes. An SEI layer rich in LiF can be formed in fluorine-poor electrolytes. The battery assembled using FAZ nanospheres remains stable for 100 cycles with Coulombic efficiency up to 98.6%. A battery paired with a LiFePO4 cathode (18.3 mg/cm2) can perform 100 cycles with a capacity retention rate of 87%. This work provides a simple and practical solution for low-fluoride lithium metal battery technology. Full article
(This article belongs to the Special Issue Advanced Electrolytes for Metal Ion Batteries)
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