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Review
Electrochemistry
Yikun Yi et al.
Summary: Lithium-sulfur (Li-S) batteries have high potential in power and energy storage due to their high capacity and energy density. However, the shuttle effect caused by the dissolution of intermediate lithium polysulfides (LiPSs) during charging and discharging leads to irreversible capacity loss, limiting practical development. Solid-phase conversion-based Li-S batteries, which prevent polysulfide shuttling, offer superior cycling stability. Direct transformation of sulfur to Li2S or suppressing polysulfide dissolution using solvating liquid electrolytes or solid-state electrolytes are the main methods of achieving solid-phase conversion. This review provides a systematic summary of structures, preparation methods, advantages, and disadvantages of solid-phase conversion, as well as an analysis of its impact on battery performance. The review also discusses the challenges and future direction of practical development for solid-phase conversion-based Li-S batteries.
Article
Chemistry, Analytical
Hao Liu et al.
Summary: A bamboo-shaped structured nanofiber was fabricated using sulfurized polyacrylonitrile as the bamboo stalk and reduced graphene oxide as the bamboo joint. This design significantly improves the electrical conductivity of the polyacrylonitrile and enhances the overall electrochemical performance of lithium-sulfur batteries.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Shen Wang et al.
Summary: Sulfurized polyacrylonitrile (SPAN) is a type of sulfur-bonded polymer that exhibits stable cycles in lithium-sulfur batteries. However, its exact molecular structure and electrochemical reaction mechanism are still unclear. In this study, using a SPAN thin film platform and various analytical tools, it was found that the capacity loss of SPAN is associated with intramolecular dehydrogenation and the loss of sulfur, resulting in an increase in aromaticity and electronic conductivity. The presence of a conductive carbon additive in the cathode promotes the completion of the reaction. A synthesis procedure was developed based on the proposed mechanism to reduce the irreversible capacity loss by more than 50%. These findings provide insights for the design of high-performance sulfurized polymer cathode materials.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Materials Science, Multidisciplinary
Jiapei Gu et al.
Summary: This study proposes a unique Mott-Schottky heterostructure-based modification method for separators in order to overcome the limitations of low sulfur usage, strong shuttle effect, and dilatory redox processes in lithium-sulfur batteries (LSBs). The modified separator, consisting of Bi2MoO6-PPy nanosheets, significantly reduces the energy barrier on polysulfides through strong adsorption, high catalytic activity, and built-in electric field. The battery assembled with this modified separator exhibits excellent cycling stability and maintains a high areal capacity even at a high sulfur loading.
SCIENCE CHINA-MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Longhai Zhang et al.
Summary: We designed and synthesized a porous organic polymer (POP) with a conjugated and hierarchical structure, which exhibited excellent electrochemical properties as an anode material for sodium-ion batteries (SIBs). Through combined experiments and theoretical computation, we revealed the Na-storage mechanism and dynamic evolution processes of the POP, including a 12-electron reaction process with Na and stable composition and structure evolution during repeating sodiation/de-sodiation processes. This quantitative design for ultrafast and highly durable sodium storage in the POP could benefit the rational design of organic electrode materials with ideal electrochemical properties.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Qiyu Wang et al.
Summary: A composite microsized Si anode is synthesized by constructing a unique polymer at a Si/C surface, which overcomes the challenges of poor electrical conductivity, serious volume expansion, and unstable solid electrolyte interface. The anode exhibits stable electrochemical performances and high capacity.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Xue Chen et al.
Summary: The integrity of CEI is closely related to the sulfur content and electrolyte amount. When the volume of reduction product exceeds the maximal volume of the carbon host, the as-formed CEI is unable to withstand the volume variation upon repeated lithiation/delithiation, leading to decreased cycle stability.
ADVANCED ENERGY MATERIALS
(2022)
Review
Chemistry, Physical
Zhiyong Pan et al.
Summary: This article reviews the recent advances of using organosulfur as cathodes, electrolytes, interlayers, and binders in LSBs, and proposes the prospects for organosulfur from both the perspectives of mechanism understanding and practical applications.
ADVANCED ENERGY MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Yongshang Zhang et al.
Summary: Lithium-sulfur batteries offer high energy density, but face issues like shuttle effect and lithium dendrite growth. Electrospinning technology provides a reliable method to prepare flexible nanofibers, which can be used as important components in Li-S batteries to achieve high energy density.
Article
Materials Science, Composites
Wenying Xue et al.
Summary: Sulfurized polyacrylonitrile (SPAN) is a promising cathode material for next-generation lithium-metal batteries. However, its slow reaction kinetics due to insufficient electronic conductivity limit its practical application. In this study, we propose a freestanding fibrous SPAN (I-SPAN) with accelerated reaction kinetics achieved by iodine doping. The electrochemical tests show significantly improved charge transfer in I-SPAN, resulting in a high reversible specific capacity.
COMPOSITES COMMUNICATIONS
(2022)
Review
Chemistry, Multidisciplinary
Ziwei Liang et al.
Summary: The practical applications of lithium-sulfur batteries face limitations due to issues like lithium dendrite growth and polysulfide shuttling, but these hurdles can be mitigated by using single-atom catalysts (SACs) to enhance electrode materials performance. This review systematically summarizes recent progress in SACs for Li-metal anodes, S cathodes, and separators, highlighting their potential to improve energy-storage devices.
ADVANCED MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Zi-Xian Chen et al.
Summary: This review provides a comprehensive overview of the development of high-energy-density Li-S pouch cells over the past 7 years and points out further research directions. The key design parameters for achieving actual high energy density are discussed, followed by an analysis of the progress made and the gap towards practical applications. Failure analysis and promotion strategies at the pouch cell level are also discussed. Lastly, the challenges and opportunities of high-performance Li-S pouch cells are presented.
ADVANCED MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Xiang Li et al.
Summary: The lithium-sulfur (Li-S) battery is a promising option with high theoretical specific energy. Efforts have been made to overcome the shuttle effect by changing the sulfur conversion mode to solid-solid or quasi-solid. This review focuses on the fundamental chemistry of the solid-solid and quasi-solid phase transformation of the sulfur cathode.
Article
Energy & Fuels
Guangmin Zhou et al.
Summary: The authors analyze key Li-S cell parameters, propose an energy density calculation, and discuss the design targets for practical high-performance Li-S batteries.
Article
Chemistry, Physical
Xiaoyin Zhang et al.
Summary: This study reports a new solid-solid conversion method based on organosulfur cathodes in ether-based electrolytes to obtain sulfur polymers with high sulfur content. The reaction mechanism of sulfur-based cathodes is analyzed by constructing different sulfur chains. The study shows promising application prospects of these polymers with new lithiation behavior.
ENERGY STORAGE MATERIALS
(2022)
Review
Materials Science, Multidisciplinary
Rongyu Deng et al.
Summary: This review focuses on the challenges, recent advances, and applications of lithium-sulfur (Li-S) batteries. It covers the conversion chemistry, cathode, electrolyte, lithium anode, and other constituent parts of Li-S batteries, as well as solutions and application scenarios. Additionally, it summarizes important findings and future trends for developing emerging Li-S batteries.
ENERGY & ENVIRONMENTAL MATERIALS
(2022)
Article
Chemistry, Physical
Zihan Shen et al.
Summary: By studying the relationship between polysulfide adsorption ability and catalytic activity, researchers have discovered a volcano-shaped relationship. The study distinguishes between catalytic and anchoring effects, providing insights into the role of adsorption and catalyst passivation. These findings offer a rational viewpoint for designing and tuning the activity of Li-S catalysts.
Article
Chemistry, Multidisciplinary
Lei Huang et al.
Summary: In this study, a synergistic interface bonding enhancement strategy was reported to construct flexible fiber-shaped composite cathodes. Polypyrrole@sulfur (PPy@S) nanospheres were implanted into the built-in cavity of self-assembled reduced graphene oxide fibers (rGOFs) using a facile microfluidic assembly method. The resulting cathode showed enhanced electrochemical performance and high-rate capability.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Runhe He et al.
Summary: The novel Se(0.03)SPAN/CNT-3 nanofibers as sulfur cathode materials show high reversible capacity, superior rate performance, and extremely stable cycle life, demonstrating great potential for future application.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Yingbo Xiao et al.
Summary: In this study, the effective catalysis of multi-step lithium polysulfide conversion was demonstrated by integrating dual catalytic centers into a metal-organic framework. Additionally, an ultrathin and ultralight conductive membrane was designed and synthesized to tackle the shuttle effect in lithium-sulfur batteries. Experimental and computational results showed that this membrane enables simultaneous ion sieving, lithium polysulfide adsorption, and multi-step catalytic conversion. The assembled lithium-sulfur batteries with this interlayer exhibited significantly improved performance in various aspects.
ENERGY STORAGE MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Yikun Yi et al.
Summary: The GPOF framework with plenty of unsaturated bonds provides sufficient reaction sites to bind sulfur chains, resulting in a high active sulfur content in the cathode. Moreover, the microporous GPOF possesses suitable cavities to accommodate the volume expansion, leading to favorable long-term cycling stability.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Chang-Xin Zhao et al.
Summary: This study presents a designed semi-immobilized molecular electrocatalyst to improve the sulfur redox reactions in Li-S batteries, enhancing redox kinetics and regulating phase transition mode. The efficiency of this method is demonstrated in practical Li-S batteries with superior performance, including high rate capability, long lifespan, and high energy density.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Physical
Tao Wang et al.
Summary: The 3DHG/PS composite cathode for lithium sulfur batteries enhances electron and ion transport speed and reduces volume expansion issues, effectively lowering the fading rate. Moreover, the avoidance of soluble lithium polysulfides formation further reduces the shuttling effect, demonstrating high capacity and rate performance.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Bin He et al.
Summary: The study introduces a hierarchically designed cathode to address the main challenges faced by lithium-sulfur batteries, achieving excellent solid-solid reaction kinetics through optimizing nanoscale sulfur core and selenium-doped sulfurized polyacrylonitrile shell. This approach provides a promising solution towards practical lithium sulfur batteries with high active species loading and a relatively low electrolyte/sulfur ratio.
ADVANCED ENERGY MATERIALS
(2021)
Article
Engineering, Chemical
Amir Abdul Razzaq et al.
Journal of Energy Chemistry
(2021)
Article
Chemistry, Physical
Gongyu Wen et al.
Summary: By constructing a free-standing framework using Mn3O4 nanoparticles and PPy nanotubes as host materials, this study successfully addresses the issues of poor conductivity and excessive volume changes of sulfur in lithium-sulfur batteries, achieving high rate performance and long cycle stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Nanoscience & Nanotechnology
Huilan Li et al.
Summary: The study introduces soluble lithium polysulfide of Li2S8 as a redox mediator to enhance the reversible oxidation efficiency of a freestanding fibrous SPAN cathode, improving the initial Coulombic efficiency and performance of Li-S batteries.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Review
Chemistry, Multidisciplinary
Yi Chen et al.
Summary: Lithium-sulfur (Li-S) batteries, with their high energy density, show great potential as an energy storage system. Significant progress has been made in the past few decades, and there are promising prospects for the future.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Wei Chang et al.
Summary: The study successfully synthesized sulfurized carbon nanotube@aminophenol-formaldehyde (SC@A) with short-chain sulfurs, which effectively avoids the shuttle effect during the solid-solid conversion process of sulfur.
Review
Chemistry, Multidisciplinary
Mohammad Shamsuddin Ahmed et al.
Summary: Metal-sulfur batteries provide high specific capacity, and sulfurized polyacrylonitrile as a universal cathode material shows great potential, although its development is still in its early stages and several challenges need to be addressed. This review discusses the synthesis, properties, and electrochemical performance of SPAN in MSBs, providing research directions and development guidance for potential industrial applications.
Article
Chemistry, Multidisciplinary
Ke Wang et al.
Summary: This study presents a salt-templating method for the fabrication of ultrathin SPAN nanosheets, improving its redox kinetics. In situ Raman analysis reveals the reversible breaking and formation of C-S/S-S bonds in SPAN nanosheets during cycling, demonstrating excellent performance at high current densities.
Review
Chemistry, Multidisciplinary
Meng Zhao et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Review
Chemistry, Multidisciplinary
Huijun Yang et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Energy & Fuels
Wenli Wei et al.
Article
Chemistry, Physical
Changhong Wang et al.
Article
Chemistry, Physical
Amir Abdul Razzaq et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2020)
Article
Chemistry, Physical
Ying Liu et al.
APPLIED SURFACE SCIENCE
(2019)
Article
Chemistry, Physical
Chung-Feng Jeffrey Kuo et al.
JOURNAL OF POWER SOURCES
(2019)
Article
Chemistry, Multidisciplinary
Yikun Yi et al.
CHEMISTRY-A EUROPEAN JOURNAL
(2019)
Review
Chemistry, Physical
Xuming Yang et al.
ADVANCED ENERGY MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Xiaofei Wang et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Long Qu et al.
Article
Chemistry, Multidisciplinary
Ye Hu et al.
ADVANCED FUNCTIONAL MATERIALS
(2018)
Article
Chemistry, Physical
Fang Li et al.
ENERGY STORAGE MATERIALS
(2018)
Article
Chemistry, Physical
Zhao-Qing Jin et al.
ENERGY STORAGE MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Shuya Wei et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2015)
