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Review
Nanoscience & Nanotechnology
Jinyu Zhao et al.
Summary: Electrocatalytic oxygen reduction reaction (ORR) is crucial for electrochemical energy technologies. However, the identification of ORR active sites and the elucidation of ORR mechanisms are challenging due to the complex dynamic evolution of catalysts and intermediates. In-situ characterization techniques are necessary for real-time monitoring of catalyst structure, intermediate behavior, and product evolution. This review highlights the advances in using various in-situ techniques to study catalytic processes, including catalyst structure evolutions, intermediate adsorption/desorption behavior, and product nucleation and reconstruction. Challenges and prospects of in-situ techniques for future catalysts research in the ORR process are also discussed.
NANO-MICRO LETTERS
(2023)
Article
Materials Science, Multidisciplinary
Huijun Li et al.
Summary: The research presents a new synthesis strategy for a novel self-supporting anode material, demonstrating improved sodium storage performance by combining nickel, nitrogen co-doped graphitized carbon and cobalt phosphide embedded in carbon fiber, addressing issues such as volume expansion and poor electronic conductivity of transition-metal phosphides, achieving outstanding electrochemical performance.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Physical
Sakibul Azam et al.
Summary: In this study, cellulose paper-derived carbon fiber decorated with CeO2 nanorods was fabricated and used as an interlayer material for lithium sulfur battery. The binding of lithium polysulfides by CeO2 and the physical blocking effect of conducting carbon fiber contributed to the improved performance of the battery in terms of cycle life and capacity.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Engineering, Environmental
Xiaoqin Cheng et al.
Summary: Transition-metal dichalcogenides are attractive host materials for Na+ insertion due to their high theoretical specific capacity, but their low conductivity and large volume fluctuations limit their practical applications. By introducing a more robust material and constructing a heterostructure, the internal stress and volume variations induced by Na+ insertion can be effectively cushioned, leading to improved structural stability and cycling performance.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Gongyu Wen et al.
Summary: This study addresses the drawbacks of lithium-sulfur (Li-S) batteries by inserting a carbon nanotubes/cerium dioxide interlayer material (CNTs@CeO2) between the sulfur cathode and the separator. The CNTs@CeO2 interlayer provides a conductive network for electron transportation, facilitates the adsorption-catalytic conversion of lithium polysulfides, and promotes electrolyte penetration and lithium ion migration. The Li-S battery with the CNTs@CeO2 interlayer exhibits superior rate performance and excellent cycling stability, showing potential for high-energy-density Li-S batteries.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Tao Zhu et al.
Summary: This study presents a novel immobilization strategy to address the shuttle effect and fire hazard issues in lithium-sulfur batteries, significantly improving their electrochemical performance. By immobilizing HCCP, the strategy successfully inhibits the shuttle effect of LiPSs and enhances the fire safety performance. This approach not only enhances the performance of LSBs but also provides a new direction for large-scale fabrication of high-safety and high-performance LSBs.
Article
Chemistry, Multidisciplinary
He Jiawei et al.
Summary: Lithium-sulfur batteries have attracted research interest due to their high theoretical specific capacity, low cost, and environmental friendliness. However, limitations such as low sulfur utilization, shuttle effects, and polarization effects hinder their practical application. This study investigates the use of hollow carbon nanocages as hosts for sulfur encapsulation to address these issues. The results show that a specific hollow carbon nanocage derived from ZIF8@ZIF67@ZIF8 exhibits the best electrochemical performance, with high specific capacity and improved durability. The unique structure and composition of the nanocage contribute to the enhanced performance by improving conductivity and providing a large surface area for sulfur filling and catalytic conversion. This study highlights the potential of using novel carbon nanocage hosts based on metal organic framework precursors to improve the performance of lithium-sulfur batteries.
ACTA CHIMICA SINICA
(2022)
Article
Materials Science, Multidisciplinary
Zi-Long Wu et al.
Summary: Silicon monoxide (SiO) is considered to be a promising anode material for lithium-ion batteries with higher capacity and longer cycle life. In this study, glucose was used as a carbon source to synthesize SiO/C composite with high performance. Optimal conditions for SiO/C synthesis were found to be the addition of 5 wt% glucose and a calcination temperature of 800 degrees C. The resulting SiO/C material showed excellent electrochemical performance and stability, making it suitable for LIB applications.
Article
Engineering, Environmental
Guang Xia et al.
Summary: This study reports a composite of FeP nanoparticles embedded in gradient-porous carbon microspheres as a high-efficiency cathode electrocatalyst for Li-S batteries. The FeP nanoparticles ensure maximized exposure of catalytic sites and their improved interactions with sulfur redox species. The study demonstrates outstanding high-rate capability and provides new opportunities for the design of high-performance Li-S electrocatalysts.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Tengyu Li et al.
Summary: A hybrid interlayer composed of MoO3, conductive Ni foam, and Super P was prepared to prevent the shuttle effect in lithium-sulfur batteries, improving their redox kinetics. The interlayer exhibited high initial discharge capacity and low capacity decay rate, even with increased sulfur loading.
Article
Nanoscience & Nanotechnology
Zhen-Yu Wang et al.
Summary: In this study, nickel-boron (Ni-B) alloy nanoparticles dispersed on carbon nanotube microspheres (CNTMs) were used as sulfur hosts for lithium-sulfur batteries, leading to enhanced redox kinetics, specific capacity, and cycling stability. The novel sulfur hosts effectively mitigate the polysulfide shuttle effect and improve the electrochemical performance of the sulfur cathode in lithium-sulfur batteries.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Engineering, Environmental
Zhentao Nie et al.
Summary: By controlling the pore size of mesoporous carbon spheres and using carbon cloth as an intermediate layer between the cathode and separator, the cycle stability and specific capacity of lithium-sulfur batteries can be significantly improved.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Environmental
Mengxue He et al.
Summary: An effective KB/Mo2C-modified separator has been proposed to enable stable Li-S batteries, showing high active material utilization and long-term cycling stability with a low decay rate. The modified separator also allows for a high areal capacity and capacity retention, demonstrating feasibility for practical applications in Li-S batteries.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Electrochemistry
Zhaowei Ren et al.
Summary: The CoSe2/CC composite material shows promising potential in lithium-sulfur batteries by limiting the shuttle effect of polysulfides and accelerating the kinetics of sulfur chemistry, leading to excellent cycle stability.
Article
Chemistry, Physical
Huanglin Dou et al.
Summary: The study revealed that the native SEI is dominated by organic components and designed a model system with controllable electronically insulating SEI by increasing the inorganic component, showing that the interfacial electronic property and composition is decisive to the degradation of Mg metal anodes. The initial organic-rich SEI hinders ion transport by undergoing continuous cracking/reformation and electronic leakage, leading to continuous proliferation during operation process.
Review
Chemistry, Physical
Feng-Yang Chen et al.
Summary: This review summarizes critical mechanisms that could influence the stability of the oxygen evolution reaction (OER) and discusses the importance of stability in large-scale electrolysis industrialization. Additionally, it provides catalyst and reactor design principles for overcoming OER stability challenges.
Article
Chemistry, Physical
Hua Zhang et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2020)
Article
Electrochemistry
Zhenxin Zhao et al.
ELECTROCHIMICA ACTA
(2020)
Article
Chemistry, Physical
Yingge Zhang et al.
NANOSCALE HORIZONS
(2020)
Article
Electrochemistry
Huijun Li et al.
ELECTROCHIMICA ACTA
(2019)
Article
Nanoscience & Nanotechnology
Xiaobo Zhu et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Chemistry, Analytical
Peng Wang et al.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2019)
Review
Chemistry, Physical
Hong-Jie Peng et al.
ADVANCED ENERGY MATERIALS
(2017)
Review
Chemistry, Multidisciplinary
Huang Jiaqi et al.
ACTA CHIMICA SINICA
(2017)
Article
Electrochemistry
Junying Zhang et al.
ELECTROCHIMICA ACTA
(2016)
