Special Issue "Emerging Nanomaterials for Lithium-Sulfur Batteries and Beyond"
Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 30465
Interests: energy storage; lithium ion batteries; photochemistry; nanomaterials; materials; graphene; nanoparticles; carbon; functionalization; nanotubes
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Growing demands on electricity storage have triggered tremendous research efforts on rechargeable batteries. As a primary power source, batteries would supply power to emerging energy storage systems, electric vehicles, and portable electronics. Among various battery technologies, lithium-sulfur batteries (LSBs) are at the forefront of meeting the tough requirements. LSBs, consisting of a metallic lithium anode and a chemically active sulfur cathode, have a high theoretical energy density of ~2600 Wh/kg. Moreover, the sulfur active material is environmentally benign, earth-abundant, and cheap ($0.02/g).
The practical application of LSBs is hampered by the intrinsic insulating property of active materials and the shuttle effect of soluble intermediates. In order to circumvent these technical challenges, innovative strategies have been employed over the last decades in almost all aspects of battery development, such as electrode, binder, separator, electrolyte, and cell configuration, where the materials in the nanometer-scale play vital roles in improving the electrochemical performance of LSBs by virtue of unique electronic, thermal, and mechanical properties. Such strategies significantly improve the utilization of sulfur and the cycle stability of LSBs, but only under certain conditions, for example, the areal sulfur loading is as low as ~2 mg sulfur/cm2 electrode, which makes a significant gap between the laboratory scale cell tests and the practical ones.
The chronic problems of LSBs deepen further under the high sulfur loading condition (>6 mg sulfur/cm2), which is a crucial factor in order to compete with the current state-of-the-art Li-ion batteries. It is rather unclear how the high sulfur loading conditions affect the fundamental behaviors of the materials at a nanometer-scale in LSBs, thus a more detailed insight is highly demanded. The present Special Issue will thus focus on the most recent advances in the development of materials at a nanometer-scale for LSBs, under high loading conditions. I warmly invite scholars to submit original research articles, letters, and critical reviews on a novel nanomaterial-based electrodes, binders, separators, electrolytes, and cell configuration, which enable the high-performance LSBs under high loading conditions.
Prof. Dr. Young-Si Jun
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- Lithium-sulfur batteries
- Li-metal electrode
- High sulfur loading
- Cell configuration
- Solid or polymer electrolyte