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Batteries
Special Issues
Emerging Technologies and Electrode Materials for Metal Batteries
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Emerging Technologies and Electrode Materials for Metal 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 (24 February 2023) | Viewed by 6623

Special Issue Editor

Dr. Yubin Niu

E-Mail Website
Guest Editor
School of Materials and Energy, Southwest University, Chongqing 400715, China
Interests: electrochemical energy storage; electrode materials; electrolytes; batteries

Special Issue Information

Dear Colleagues,

In today’s world, humanity is facing the critical issues of the increasing depletion of fossil energy sources and the growing demand for sustainable energy sources, thus driving research into low-cost, environmentally friendly and high-performance energy conversion and storage systems. The form of energy development determines the future survival of human beings. The development of rechargeable batteries is a powerful measure to implement the strategy o “carbon peak, carbon neutral”.

This Special Issue focuses on current developments in rechargeable batteries, such as non-aqueous batteries, aqueous batteries, solid-state batteries, monovalent-ion batteries, and multivalent-ion batteries.

Potential topics include, but are not limited to:

  • electrode and electrolyte materials;
  • electrode/electrolyte interfaces;
  • characterization techniques and electrochemical measurements;
  • battery configuration design;
  • battery recycling technologies; 
  • pre-metallization/in situ polymerization strategies.

Dr. Yubin Niu
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. 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/Na/K/Mg/Zn/Ca/Al-ion batteries
  • electrode materials
  • electrolyte
  • nanomaterials
  • solid-electrolyte interphase

Published Papers (3 papers)

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Research

11 pages, 3359 KiB  
Article
Preparation and Characterization of a LiFePO4- Lithium Salt Composite Cathode for All-Solid-State Li-Metal Batteries
by Debabrata Mohanty, Pin-Hsuan Huang and I-Ming Hung
Batteries 2023, 9(4), 236; https://doi.org/10.3390/batteries9040236 - 20 Apr 2023
Cited by 2 | Viewed by 2219
Abstract
This study develops a composite cathode material suitable for solid-state Li-ion batteries (SSLIB). The composite cathode consists of LiFePO4 as the active material, Super P and KS-4 carbon materials as the conductive agents, and LiTFSI as the lithium salt. An LiFePO4 [...] Read more.
This study develops a composite cathode material suitable for solid-state Li-ion batteries (SSLIB). The composite cathode consists of LiFePO4 as the active material, Super P and KS-4 carbon materials as the conductive agents, and LiTFSI as the lithium salt. An LiFePO4/LATP-PVDF-HFP/Li all-solid-state LIB was assembled using Li1.3Al0.3Ti1.7(PO4)3 (LATP)/ poly(vinylidenefluoride-co-hexafluoropropylene (PVDF-HFP) as the solid-state electrolyte and lithium metal as the anode. The structure of the synthesized LATP was analyzed using X-ray diffraction, and the microstructure of the composite cathode and solid electrolyte layer was observed using a field emission scanning electron microscope. The electrochemical properties of the all-solid-state LIB were analyzed using electrochemical impedance spectroscopy (EIS) and a charge–discharge test. The effect of the composition ratio of the fabricated cathode on SSLIB performance is discussed. The results reveal that the SSLIB fabricated using the cathode containing LiFePO4, Super P, KS-4, PVDF, and LiTFSI at a weight ratio of 70:10:10:7:3 (wt.%) and a LATP/PVDF-HFP solid electrolyte layer containing PVDF-HFP, LiTFSI, and LATP at a weight ratio of 22:33:45 (wt.%) exhibited the optimal performance. Particularly, the SSLIB fabricated using the cathode containing 3% LiTFSI exhibited a discharge capacity of 168.9 mAhg−1 at 0.1 C, which is close to the theoretical capacity (170 mAhg−1), and had very good stability. The findings of this study suggests that the incorporation of an appropriate amount of LiTFSI can significantly enhance the electrochemical performance of SSLIB batteries. Full article
(This article belongs to the Special Issue Emerging Technologies and Electrode Materials for Metal Batteries)
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18 pages, 24402 KiB  
Article
Implementing Binder Gradients in Thick Water-Based NMC811 Cathodes via Multi-Layer Coating
by Lukas Neidhart, Katja Fröhlich, Franz Winter and Marcus Jahn
Batteries 2023, 9(3), 171; https://doi.org/10.3390/batteries9030171 - 16 Mar 2023
Cited by 2 | Viewed by 2087
Abstract
Multi-layer coating of electrodes with different material compositions helps unlock the full potential of high-loaded electrodes. Within this work, LiNi0.8Mn0.1Co0.1O2 (NMC811) cathodes with an areal capacity of >8.5 mA h cm−2 and tuned binder concentrations [...] Read more.
Multi-layer coating of electrodes with different material compositions helps unlock the full potential of high-loaded electrodes. Within this work, LiNi0.8Mn0.1Co0.1O2 (NMC811) cathodes with an areal capacity of >8.5 mA h cm−2 and tuned binder concentrations were fabricated by using an industrially relevant roll-to-roll process. Rate capability tests revealed an increase in practical specific discharge capacity independent from the C-rate for cathodes with reduced binder concentration in the top layer. At high current densities (C-rate of 1C) an improved performance of up to 27% was achieved. Additionally, at lower C-rates, binder gradients perpendicular to the current collector have beneficial effects on thick electrodes. However, surface analysis and electrochemical impedance spectroscopy revealed that without an adequate connection between the active material particles through a carbon-binder domain, charge transfer resistance limits cycling performance at high current densities. Full article
(This article belongs to the Special Issue Emerging Technologies and Electrode Materials for Metal Batteries)
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17 pages, 5754 KiB  
Article
High-Performance Layered Oxides for Sodium-Ion Batteries Achieved through Combined Aluminum Substitution and Surface Treatment
by Mariya Kalapsazova, Rositsa Kukeva, Sonya Harizanova, Pavel Markov, Diana Nihtianova, Ekaterina Zhecheva and Radostina Stoyanova
Batteries 2023, 9(2), 144; https://doi.org/10.3390/batteries9020144 - 20 Feb 2023
Cited by 3 | Viewed by 1911
Abstract
Layered sodium transition metal oxides belong to electrode materials for sodium-ion batteries that combine, in a better way, high performance with environmental requirements. However, their cycling stability is still far from desirable. Herein, we demonstrate a rational approach to control the cycling stability [...] Read more.
Layered sodium transition metal oxides belong to electrode materials for sodium-ion batteries that combine, in a better way, high performance with environmental requirements. However, their cycling stability is still far from desirable. Herein, we demonstrate a rational approach to control the cycling stability of sodium-deficient nickel manganese oxides, Na2/3Ni1/2Mn1/2O2, with two- and three-layer stacking through Al substitution and Al2O3 treatment. Layered Na2/3Ni1/2Mn1/2O2 oxide displays a limited ability to accommodate aluminum in its structure (i.e., up to 8 at. %). The substitution of Ni ions with electrochemically inactive Al3+ ions and keeping the amount of Mn ions in Na2/3Ni1/2−xAlxMn1/2O2 leads to the stabilization of the two-layer stacking and favors the participation of lattice oxygen in the electrochemical reaction in addition to Ni ions. This results in an increase in the specific capacity of the Al-substituted oxides. Furthermore, the kinetics of the cationic migration between layers occurring during oxide cycling was manipulated by oxide morphology. The best cycling stability is observed for Na2/3Ni0.42Al0.08Mn1/2O2 having a column-like morphology of stacked plate-like particles along the common faces. The treatment of the layered oxides with Al2O3 mitigates the Mn dissolution reaction during electrode cycling in the NaPF6-based electrolyte, thus contributing to a high cycling stability. Full article
(This article belongs to the Special Issue Emerging Technologies and Electrode Materials for Metal Batteries)
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