Heterostructures Regulating Lithium Polysulfides for Advanced Lithium-Sulfur Batteries.

Adv Mater

Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing, 210096, P. R. China.

Published: November 2023

Sluggish reaction kinetics and severe shuttling effect of lithium polysulfides seriously hinder the development of lithium-sulfur batteries. Heterostructures, due to unique properties, have congenital advantages that are difficult to be achieved by single-component materials in regulating lithium polysulfides by efficient catalysis and strong adsorption to solve the problems of poor reaction kinetics and serious shuttling effect of lithium-sulfur batteries. In this review, the principles of heterostructures expediting lithium polysulfides conversion and anchoring lithium polysulfides are detailedly analyzed, and the application of heterostructures as sulfur host, interlayer, and separator modifier to improve the performance of lithium-sulfur batteries is systematically reviewed. Finally, the problems that need to be solved in the future study and application of heterostructures in lithium-sulfur batteries are prospected. This review will provide a valuable reference for the development of heterostructures in advanced lithium-sulfur batteries.

Download full-text PDF

Source
http://dx.doi.org/10.1002/adma.202303520DOI Listing

Publication Analysis

Top Keywords

lithium-sulfur batteries
24
lithium polysulfides
20
regulating lithium
8
advanced lithium-sulfur
8
reaction kinetics
8
application heterostructures
8
heterostructures
6
lithium-sulfur
6
batteries
6
lithium
5

Similar Publications

Density Functional Theory Insights into Conduction Mechanisms in Perovskite-Type RCoO Nanofibers for Future Resistive Random-Access Memory Applications.

Molecules

December 2024

Inner Mongolia Key Lab of Solid State Chemistry for Battery, Inner Mongolia Engineering Research Center of Lithium-Sulfur Battery Energy Storage, College of Chemistry and Materials Science, Inner Mongolia Minzu University, Tongliao 028000, China.

In the era of artificial intelligence and Internet of Things, data storage has an important impact on the future development direction of data analysis. Resistive random-access memory (RRAM) devices are the research hotspot in the era of artificial intelligence and Internet of Things. Perovskite-type rare-earth metal oxides are common functional materials and considered promising candidates for RRAM devices because their interesting electronic properties depend on the interaction between oxygen ions, transition metals, and rare-earth metals.

View Article and Find Full Text PDF

Lithium-sulfur (Li-S) batteries have emerged as a promising candidate for next-generation high-energy rechargeable lithium batteries, but their practical application is impeded by the sluggish redox kinetics and low sulfur loading. Here, we report the in situ growth of δ-MnO nanosheets onto hierarchical porous carbon microspheres (HPCs) to form an HPCs/S@MnO composite for advanced lithium-sulfur batteries. The delicately designed hybrid architecture can effectively confine LiPSs and obtain high sulfur loading up to 10 mg cm, in which the inner carbon microspheres with a large pore volume and large specific surface area can encapsulate high sulfur content, and the outer MnO nanosheets, as a catalytic layer, can improve the conversion reaction of LiPSs and suppress the shuttle effect.

View Article and Find Full Text PDF

Polysulfide Tandem Conversion for Lithium-Sulfur Batteries.

Small

January 2025

State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China.

The electrocatalytic conversion of 16-electron multistep polysulfides is crucial for lithium-sulfur batteries, while it is hard to achieve compatibility between intricate sulfur reduction processes and appropriate catalysts. Herein, a tandem conversion strategy is reported to boost multi-step intermediate reactions of polysulfides transformation by designing an electrocatalyst featuring cobalt and zinc sites (Co/Zn), where the Zn serve as sites for the conversion of long-chain lithium polysulfides (LiPSs), promoting the transformation of S to LiS; the Co sites accelerate the kinetics of the subsequent reduction of LiS. This tandem catalysis method not only enhances the conversion of the initial reactants but also provides additional support for the intermediates, thereby facilitating subsequent reactions to maximize capacity.

View Article and Find Full Text PDF

Lithium-sulfur (Li-S) all-solid-state batteries (ASSBs) hold great promise for next-generation safe, durable and energy-dense battery technology. However, solid-state sulfur conversion reactions are kinetically sluggish and primarily constrained to the restricted three-phase boundary area of sulfur, carbon and solid electrolytes, making it challenging to achieve high sulfur utilization. Here we develop and implement mixed ionic-electronic conductors (MIECs) in sulfur cathodes to replace conventional solid electrolytes and invoke conversion reactions at sulfur-MIEC interfaces in addition to traditional three-phase boundaries.

View Article and Find Full Text PDF

Arginine as a multifunctional additive for high performance S-cathode.

ChemSusChem

January 2025

Washington State University, School of Mechanical and Materials Engineering, PO Box 642920, 99164-2920, Pullman, UNITED STATES OF AMERICA.

Advancement of sulfur (S) cathode of lithium-sulfur (Li-S) batteries is hindered by issues such as insulating nature of sulfur, sluggish redox kinetics, polysulfide dissolution and shuttling. To address these issues, we initiate a study on applying an important amino acid of protein, arginine (Arg), as a functional additive into S cathodes. Based on our simulation study, the positively charged Arg facilitates strong interactions with polysulfides.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!