Good Cycling Stabilities of Sn/SnO2/C/S Composite Electrodes with Introduced Active Tin Atoms in Li–S Batteries DOI
C.B. Wang, Rong Lang,

Qucheng Xiao

et al.

Langmuir, Journal Year: 2024, Volume and Issue: 40(24), P. 12697 - 12708

Published: June 6, 2024

Polysulfides are easily dissolved in the electrolyte of Li–S batteries after long cycles. Sn atom modification electrodes beneficial for improving cycling stabilities batteries. However, influence atoms on structure and electrochemical performance SnO2/C composite materials is not explored. Sn/SnO2/C developed as sulfur carriers our work. In addition, stability mechanism Sn/SnO2/C/S also elucidated. Results show that introduced display good (420.1 mAh·g–1 at 1C 1000 cycles) The load 80 wt % (2 mg–1·cm–2). introduction into plays three roles. first role to enhance structural SnO2. second help adsorb active ions. last promote electron transportation ability during initial discharging/charging process. inhibiting dissolution polysulfides electrolytes

Language: Английский

Microenvironment Engineering of Heterogeneous Catalysts for Liquid-Phase Environmental Catalysis DOI

Zhong‐Shuai Zhu,

Shuang Zhong, Cheng Cheng

et al.

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(20), P. 11348 - 11434

Published: Oct. 9, 2024

Environmental catalysis has emerged as a scientific frontier in mitigating water pollution and advancing circular chemistry reaction microenvironment significantly influences the catalytic performance efficiency. This review delves into engineering within liquid-phase environmental catalysis, categorizing microenvironments four scales: atom/molecule-level modulation, nano/microscale-confined structures, interface surface regulation, external field effects. Each category is analyzed for its unique characteristics merits, emphasizing potential to enhance efficiency selectivity. Following this overview, we introduced recent advancements advanced material system design promote (e.g., purification, transformation value-added products, green synthesis), leveraging state-of-the-art technologies. These discussions showcase was applied different reactions fine-tune regimes improve from both thermodynamics kinetics perspectives. Lastly, discussed challenges future directions engineering. underscores of intelligent materials drive development more effective sustainable solutions decontamination.

Language: Английский

Citations

11

Spodumene nanosheets@ZrO2-SiO2 heterostructure nanofibers modified separator for long-cycle lithium-sulfur batteries DOI
Lin Li,

Bin Yue,

Yingying Bao

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 495, P. 153619 - 153619

Published: June 29, 2024

Language: Английский

Citations

9

Advanced Characterization Techniques for Probing Redox Reaction Mechanisms in High‐Performance Li–S Batteries DOI Creative Commons
Shilin Chen, Chengwei Ma, Zhongming Li

et al.

Carbon Neutralization, Journal Year: 2025, Volume and Issue: 4(2)

Published: Feb. 19, 2025

ABSTRACT The development of high‐performance energy storage systems requires several key attributes, including high and power density, cost‐effectiveness, safety, environmental sustainability. Among the various potential technologies, lithium–sulfur batteries stand out as a promising contender for future solutions due to their exceptional theoretical specific density (2600 Wh kg⁻¹) relatively capacity (1675 mAh g⁻¹). However, commercialization faces significant challenges, such low sulfur loading, rapid degradation, poor cycling stability. At heart these issues lies limited understanding complex conversion chemistry involved in batteries. In recent years, progress has been made elucidating reaction mechanisms, thanks use both ex situ characterization techniques. Methods optical spectroscopy, time‐of‐flight secondary ion mass spectrometry, synchrotron X‐ray, neural network analysis have demonstrated great uncovering redox processes lithium polysulfides underlying significantly advancing research battery systems. This review focuses on major advancements research, particularly study electrocatalytic mechanisms using emerging We discuss aspects accurately revealing through advanced diagnostic methods, well main challenges techniques face. Finally, we explore prospects commercialization.

Language: Английский

Citations

1

Enhancing Li-S Battery Performance by Harnessing the Power of Single Atoms on 2D Borophene DOI

Normurоt Fayzullaev,

M. Keshavarz, Mohammad Omidi

et al.

Electrochimica Acta, Journal Year: 2025, Volume and Issue: unknown, P. 145831 - 145831

Published: Feb. 1, 2025

Language: Английский

Citations

1

Structural Regulation Strategies of Atomic Cobalt Catalysts for Oxygen Electrocatalysis DOI Open Access
Mengyu Chen, Jingqi Guan

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 3, 2025

Abstract Oxygen electrocatalysis is a core reaction in renewable energy devices, greatly promoting the transformation and upgrading of structure. Nonetheless, performance conversion devices hindered by large overpotential slow kinetics oxygen electrocatalytic reactions. Recently, single‐atom catalysts (SACs) have emerged as promising contenders field because their exceptional metal atom utilization, distinctive coordination environment, adjustable electronic properties. This review presents latest advancements design Co‐based SACs for electrocatalysis. First, OER ORR mechanisms are introduced. Subsequently, strategies regulating structure summarized three aspects, including centers, support carriers. A particular emphasis given to relationship between properties catalysts. Afterward, applications explored. Ultimately, challenges prospects prospected.

Language: Английский

Citations

1

Accelerating Sulfur Redox Kinetics by Rare Earth Single-atom Electrocatalysts toward Efficient Lithium−sulfur Batteries DOI
Zichao Lian, Lin Ma, Hanxiang Wu

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: unknown, P. 124661 - 124661

Published: Oct. 1, 2024

Language: Английский

Citations

7

Upcycling of Polyamide Wastes to Tertiary Amines Using Mo Single Atoms and Rh Nanoparticles DOI

Minhao Tang,

Ji Shen,

Fengtao Zhang

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 17, 2024

The pursuit of sustainable practices through the chemical recycling polyamide wastes holds significant potential, particularly in enabling recovery a range nitrogen-containing compounds. Herein, we report novel strategy to upcycle tertiary amines with assistance H

Language: Английский

Citations

6

Coupled Ni─Co Dual‐Atom Catalyst for Guiding Sulfur and Lithium Evolutions in Lithium–Sulfur Batteries DOI
Hong Lin,

Zhiliang Guo,

Qingchun Zhang

et al.

Small, Journal Year: 2024, Volume and Issue: 20(46)

Published: Aug. 7, 2024

Abstract The kinetically retarded sulfur evolution reactions and notorious lithium dendrites as the major obstacles hamper practical implementation of lithium–sulfur batteries (LSBs). Dual metal atom catalysts a new model are expected to show higher activity by their rational coupling. Herein, dual‐atom catalyst with coupled Ni─Co pairs (Ni/Co‐DAC) is designed successfully programmed approaches. alter local electron structure optimize coordination configuration Ni/Co‐DAC, leading coupling effect for promoting interconversion guiding plating/striping. LSB delivers remarkable capacity 818 mA h g −1 at 3.0 C low degeneration rate 0.053% per cycle over 500 cycles. Moreover, high mass loading 6.1 mg cm −2 lean electrolyte dosage 6.0 µL S shows areal 5.7 .

Language: Английский

Citations

4

Synergistic Adsorption-Catalysis Co/Mo-based Heterostructures for Enhanced Lithium Polysulfides Conversion in High-Rate Lithium-Sulfur Batteries DOI
Tao Liu,

Yaxin Shao,

Xie Quan

et al.

Electrochimica Acta, Journal Year: 2025, Volume and Issue: unknown, P. 145830 - 145830

Published: Feb. 1, 2025

Language: Английский

Citations

0

Tandem electrocatalysis for accelerated lithium sulfides precipitation enabled by the synergy between lithiophilicity and sulfiphilicity of CeO2-NiCo2S4 heterostructures in lithium-sulfur batteries DOI
Shuai Wang

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: unknown, P. 179664 - 179664

Published: March 1, 2025

Language: Английский

Citations

0