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Batteries
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Solid-State Batteries: Theory, Methods and Applications
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Solid-State Batteries: Theory, Methods and Applications

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 (20 February 2024) | Viewed by 7966

Special Issue Editor

Dr. Hanyu Huo

E-Mail Website
Guest Editor
Institute of Physical Chemistry, Justus Liebig University Giessen, 35390 Gießen, Germany
Interests: solid-state batteries; garnet electrolytes; Li metal batteries; ultrasonic imaging

Special Issue Information

Dear Colleagues,

Current lithium-ion batteries based on liquid electrolytes cannot meet the increasing demand for energy density due to the fast growth of the electrical energy market. Solid-state batteries (SSBs) are now gaining momentum as a next-generation battery concept. The use of solid electrolytes (SEs) with high-voltage cathodes and lithium-metal anodes can potentially provide a high energy density for SSBs. In addition, SSBs are expected to achieve improved safety due to the removal of flammable liquid electrolytes. However, many challenges still hinder the practical application of SSBs, such as the poor air stability of sulfide and halide SEs, interface degradation between sulfide SEs and cathode materials, poor wettability between garnet-type SEs and lithium anodes, and lithium dendrite growth in all types of SEs.

In this Special Issue, we are looking for contributions that are devoted to every part of SSBs, from material synthesis to mechanism understanding. New SEs with high ionic conductivity, a wide electrochemical window, and good air/lithium stability are required. Effective strategies are expected to suppress lithium dendrite growth. Characterizations regarding interface degradation and chemo-mechanics are beneficial for revealing the failure mechanism of SSBs. In addition, new cathode/anode materials and novel battery concepts and designs are also welcome.    

Dr. Hanyu Huo
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

  • new SE synthesis
  • electrolyte/electrode interface characterization
  • lithium dendrite suppression
  • new cathode/anode materials
  • novel battery concept and design

Published Papers (2 papers)

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Research

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14 pages, 6354 KiB  
Article
In-Situ Plasticized LLZTO-PVDF Composite Electrolytes for High-Performance Solid-State Lithium Metal Batteries
by Xinjie Yu, Pengbo Zhai, Ning Zhao and Xiangxin Guo
Batteries 2023, 9(5), 257; https://doi.org/10.3390/batteries9050257 - 29 Apr 2023
Cited by 1 | Viewed by 3085
Abstract
Solid polymer electrolytes (SPEs) are seen as the key component in the development of solid-state lithium batteries (SSLBs) by virtue of their good processability and flexibility. However, poor mechanical strength, low room-temperature lithium-ion (Li-ion) conductivity and unsatisfactory interfacial compatibility with electrodes limit their [...] Read more.
Solid polymer electrolytes (SPEs) are seen as the key component in the development of solid-state lithium batteries (SSLBs) by virtue of their good processability and flexibility. However, poor mechanical strength, low room-temperature lithium-ion (Li-ion) conductivity and unsatisfactory interfacial compatibility with electrodes limit their practical application. In this work, a composite electrolyte consisting of polyvinylidene fluoride and polyvinylidene carbonate with a Li6.4La3Zr1.4Ta0.6O12(LLZTO) active filler (PFPC: LLZTO-SPE) is reported to achieve excellent ionic conductivity (4.25 × 10−4 S cm−1 at 30 °C), a wide electrochemical window (>4.6 V), a high Li-ion transference number (tLi+ = 0.49) and good interfacial compatibility with the electrode. Incorporating LLZTO as an active filler not only increases the ionic conductivity of the electrolyte, but also homogenizes Li-ion flux and stabilizes the electrode/electrolyte interface, thereby preventing lithium dendrites from piercing the electrolyte. As a result, Li/Li symmetrical cells using PFPC: LLZTO-SPEs deliver more than 800 h of cyclability at 0.1 mA cm−2 and a high critical current density (CCD) of 2.6 mA cm−2. The assembled Li/PFPC: LLZTO/LFP SSLBs achieve 87% capacity retention after 150 cycles at 0.2 C and 89% capacity retention for 100 cycles at 0.5 C. This work inspires new insights into designing high-performance SPEs. Full article
(This article belongs to the Special Issue Solid-State Batteries: Theory, Methods and Applications)
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Review

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18 pages, 5249 KiB  
Review
Manufacturing High-Energy-Density Sulfidic Solid-State Batteries
by Gang Li, Shuo Wang, Jipeng Fu, Yuan Liu and Zehua Chen
Batteries 2023, 9(7), 347; https://doi.org/10.3390/batteries9070347 - 28 Jun 2023
Cited by 1 | Viewed by 4280
Abstract
All-solid-state batteries (ASSBs) using sulfide solid electrolytes with high room-temperature ionic conductivity are expected as promising next-generation batteries, which might solve the safety issues and enable the utilization of lithium metal as the anode to further increase the energy density of cells. Most [...] Read more.
All-solid-state batteries (ASSBs) using sulfide solid electrolytes with high room-temperature ionic conductivity are expected as promising next-generation batteries, which might solve the safety issues and enable the utilization of lithium metal as the anode to further increase the energy density of cells. Most researchers in the academic community currently focus on developing novel sulfide solid electrolytes, clarifying the interface issues between sulfide electrolytes and solid electrodes and mechanism of lithium dendrite growth in ASSB. However, there is a lacking in the technical route analysis about the commercialization of ASSBs based on sulfide solid electrolytes. This review mainly introduces the specific preparation methods of various parts in sulfide-based ASSBs, including the preparation methods of sulfide solid electrolyte particles, sulfide-based composite electrolyte membranes, composite cathodes and anodes, and analyzes the advantages and disadvantages of these methods. In addition, several schemes of ASSB assembly are also introduced. Finally, a perspective of large-scale production of sulfide-based ASSBs is provided, which is expected to accelerate the commercialization of sulfide-based ASSBs. Full article
(This article belongs to the Special Issue Solid-State Batteries: Theory, Methods and Applications)
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