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New Materials for Lithium-Based Battery Alternatives

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

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 1567

Special Issue Editors


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Guest Editor
Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
Interests: nanomaterials; energy storage and conversion; Li/Na-ions batteries; Li/Na-S batteries; Li metal batteries

E-Mail Website
Guest Editor
Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
Interests: dual-ion battery; sodium-ion battery; high concentration electrolyte; cathode material

Special Issue Information

Dear Colleagues,

Lithium-based batteries, a pivotal energy storage technology, have found extensive applications in portable electronic devices and electric vehicles. Nonetheless, the finite nature of Li resources within the Earth's crust, coupled with their uneven global distribution, underscores the imperative to seek alternatives to Li-based batteries. However, the pursuit of these alternative solutions, aiming to attain technical parameters akin to those of Li-based batteries, such as specific capacity, energy density, and power density, is fraught with formidable challenges.

Within the realm of batteries, electrode materials are widely regarded as pivotal determinants of electrochemical performance. These materials directly influence key metrics of batteries. As such, searching for new materials that exhibit a trifecta of affordability, chemical stability, and enhanced specific capacity holds paramount significance in the pursuit of alternative Li-based battery architectures.

The focal objective of this Special Issue is to elucidate the latest strides made in the domain of substitutive Li-based batteries through the introduction of new materials. Authors are strongly encouraged to submit contributions that encapsulate the synthesis, characterization, and electrochemical performance assessment of these new materials. In particular, emphasis is placed on benchmarking the new materials' specific capacity, energy density, and power density against their conventional Li-based counterparts.

Dr. Yuping Liu
Dr. Huan Li
Guest Editors

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Keywords

  • new materials
  • lithium-based battery alternatives
  • synthesis
  • characterization
  • specific capacity
  • energy/power density

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Published Papers (1 paper)

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Research

18 pages, 5378 KiB  
Article
Core–Double-Shell TiO2@Fe3O4@C Microspheres with Enhanced Cycling Performance as Anode Materials for Lithium-Ion Batteries
by Yuan Chen, Jiatong Yang, Aoxiong He, Jian Li, Weiliang Ma, Marie-Christine Record, Pascal Boulet, Juan Wang and Jan-Michael Albina
Materials 2024, 17(11), 2543; https://doi.org/10.3390/ma17112543 - 24 May 2024
Cited by 6 | Viewed by 1313
Abstract
Due to the volume expansion effect during charge and discharge processes, the application of transition metal oxide anode materials in lithium-ion batteries is limited. Composite materials and carbon coating are often considered feasible improvement methods. In this study, three types of TiO2 [...] Read more.
Due to the volume expansion effect during charge and discharge processes, the application of transition metal oxide anode materials in lithium-ion batteries is limited. Composite materials and carbon coating are often considered feasible improvement methods. In this study, three types of TiO2@Fe3O4@C microspheres with a core–double-shell structure, namely TFCS (TiO2@Fe3O4@C with 0.0119 g PVP), TFCM (TiO2@Fe3O4@C with 0.0238 g PVP), and TFCL (TiO2@Fe3O4@C with 0.0476 g PVP), were prepared using PVP (polyvinylpyrrolidone) as the carbon source through homogeneous precipitation and high-temperature carbonization methods. After 500 cycles at a current density of 2 C, the specific capacities of these three microspheres are all higher than that of TiO2@Fe2O3 with significantly improved cycling stability. Among them, TFCM exhibits the highest specific capacity of 328.3 mAh·g−1, which was attributed to the amorphous carbon layer effectively mitigating the capacity decay caused by the volume expansion of iron oxide during charge and discharge processes. Additionally, the carbon coating layer enhances the electrical conductivity of the TiO2@Fe3O4@C materials, thereby improving their rate performance. Within the range of 100 to 1600 mA·g−1, the capacity retention rates for TiO2@Fe2O3, TFCS, TFCM, and TFCL are 27.2%, 35.2%, 35.9%, and 36.9%, respectively. This study provides insights into the development of new lithium-ion battery anode materials based on Ti and Fe oxides with the abundance and environmental friendliness of iron, titanium, and carbon resources in TiO2@Fe3O4@C microsphere anode materials, making this strategy potentially applicable. Full article
(This article belongs to the Special Issue New Materials for Lithium-Based Battery Alternatives)
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