Phosphorus Doping in Co9S8/Ni3S2 Hollow Nanorods for Supercapacitors DOI

Shuangxing Cui,

Lei Wu, Xintong Lu

et al.

ACS Applied Nano Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 9, 2025

Metal sulfides, characterized by high crystalline stability and narrowed band gap, are recognized as effective electrode materials for energy storage in alkaline environments. This study enhances the surface activity Co9S8/Ni3S2 hollow nanorod arrays incorporating phosphorus (P) doping. In situ Raman spectroscopy confirms that P doping facilitates rapid reconstruction media, resulting substantial amounts of oxyhydroxides significantly enhance density supercapacitors. The optimized P–Co9S8/Ni3S2 (1 h) demonstrates a 4.56-fold increase performance over original Co9S8/Ni3S2, achieving capacitance 20.5 F·cm–2 at 3 mA·cm–2 2 M KOH. hybrid supercapacitor device assembled with activated carbon achieves an 1.73 mWh cm–2 power 4.95 mW cm–2, showcasing cycling life 84.6% capacity retention after 10,000 cycles. work effectively reconstructs oxyhydroxide species on electrodes environments through engineering, providing valuable guidance design reconstructions metal sulfide using atom engineering.

Language: Английский

A review of Ni based powder catalyst for urea oxidation in assisting water splitting reaction DOI Creative Commons
Jiaxin Li, Shuli Wang, Jinfa Chang

et al.

Advanced Powder Materials, Journal Year: 2022, Volume and Issue: 1(3), P. 100030 - 100030

Published: Jan. 10, 2022

Water splitting has been regarded as a sustainable and environmentally-friendly technique to realize green hydrogen generation, while more energy is consumed due the high overpotentials required for anode oxygen evolution reaction. Urea electrooxidation, an ideal substitute, thus received increasing attention in assisting water-splitting reactions. Note that highly efficient catalysts are still drive urea oxidation, facile generation of valence state species significant reaction based on electrochemical-chemical mechanisms. The cost rareness make noble metal impossible further consideration large-scale application. Ni-based very promising their cheap price, structure tuning, good compatibility, easy active phase formation. In light advances made recently, herein, we reviewed recent powder oxidation fundamental firstly presented clarify mechanism urea-assisted water splitting, then prevailing evaluation indicators briefly expressed electrochemical measurements. catalyst design principle including synergistic effect, electronic defect construction surface reconstruction well main fabrication approaches various assisted summarized discussed. problems challenges also concluded fabrication, performance evaluation, Considering key influencing factors catalytic process application, should be given structure−property relationship deciphering, novel development real device; specifically, effort directed with multi-functions simultaneously promote steps anti-corrosion ability by revealing local integration practical We believe current summarization will instructive helpful understanding action via technique.

Language: Английский

Citations

223
Defect engineering of two-dimensional materials for advanced energy conversion and storage DOI
Fu Liu, Zhanxi Fan

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(5), P. 1723 - 1772

Published: Jan. 1, 2023

Defective two-dimensional (2D) materials show huge potential for energy-related fields. This review overviews the formation/evolution mechanisms and engineering strategies of defects in 2D materials, which enable enhanced electrode reaction kinetics.

Language: Английский

Citations

213
Defect and interface engineering in core@shell structure hollow carbon@MoS2 nanocomposites for boosted microwave absorption performance DOI

Junxiong Xiao,

Xiaosi Qi, Xiu Gong

et al.

Nano Research, Journal Year: 2022, Volume and Issue: 15(9), P. 7778 - 7787

Published: July 8, 2022

Language: Английский

Citations

165
Switching of radical and nonradical pathways through the surface defects of Fe3O4/MoO S in a Fenton-like reaction DOI
Xinyue Liu,

Xinyi Yan,

Wenyuan Liu

et al.

Science Bulletin, Journal Year: 2023, Volume and Issue: 68(6), P. 603 - 612

Published: Feb. 25, 2023

Language: Английский

Citations

123
Heterojunction Engineering of Multinary Metal Sulfide‐Based Photocatalysts for Efficient Photocatalytic Hydrogen Evolution DOI
Yiming Song,

Xinlong Zheng,

Yuqi Yang

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(11)

Published: Dec. 2, 2023

Photocatalytic hydrogen evolution (PHE) via water splitting using semiconductor photocatalysts is an effective path to solve the current energy crisis and environmental pollution. Heterojunction photocatalysts, containing two or more semiconductors, exhibit better PHE rates than those with only one owing altered band alignment at interface stronger driving force for charge separation. Traditional binary metal sulfide (BMS)-based heterojunction such as CdS, MoS

Language: Английский

Citations

116
Ultrafast Combustion Synthesis of Robust and Efficient Electrocatalysts for High-Current-Density Water Oxidation DOI
Deshuang Yu, Yixin Hao, Silin Han

et al.

ACS Nano, Journal Year: 2023, Volume and Issue: 17(2), P. 1701 - 1712

Published: Jan. 9, 2023

The scalable production of inexpensive, efficient, and robust catalysts for oxygen evolution reaction (OER) that can deliver high current densities at low potentials is critical the industrial implementation water splitting technology. Herein, a series metal oxides coupled with Fe

Language: Английский

Citations

115
Discerning the mechanism of expedited interfacial electron transformation boosting photocatalytic hydrogen evolution by metallic 1T-WS2-induced photothermal effect DOI
Yuan Tang, Wei Zhou, Qianqian Shang

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2022, Volume and Issue: 310, P. 121295 - 121295

Published: March 8, 2022

Language: Английский

Citations

94
Vacancy manipulating of molybdenum carbide MXenes to enhance Faraday reaction for high performance lithium-ion batteries DOI Creative Commons
Xin Guo, Changda Wang, Wenjie Wang

et al.

Deleted Journal, Journal Year: 2022, Volume and Issue: 1, P. e9120026 - e9120026

Published: July 28, 2022

"Intrinsic" strategies for manipulating the local electronic structure and coordination environment of defect-regulated materials can optimize electrochemical storage performance. Nevertheless, structure–activity relationship between defects charge is ambiguous, which may be revealed by constructing highly ordered vacancy structures. Herein, we demonstrate molybdenum carbide MXene nanosheets with customized in-plane chemical vacancies (Mo1.33CTx), utilizing selective etching strategies. Synchrotron-based X-ray characterizations reveal that Mo atoms in Mo1.33CTx show increased average valence +4.44 compared control Mo2CTx. Benefited from introduced atomic active sites high Mo, achieves an outstanding capacity 603 mAh·g−1 at 0.2 A·g−1, superior to most original MXenes. Li+ kinetics analysis density functional theory (DFT) simulations this optimized performance ensues more compensation during charge–discharge process, enhances Faraday reaction pure This manipulation provides efficient way realize MXene's potential as promising electrodes.

Language: Английский

Citations

94
Semiconducting Quantum Dots for Energy Conversion and Storage DOI

Yutang Yu,

Tianyi Ma, Hongwei Huang

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(16)

Published: Jan. 29, 2023

Abstract Semiconducting quantum dots (QDs) have received huge attention for energy conversion and storage due to their unique characteristics, such as size effect, multiple exciton generation large surface‐to‐volume ratio, high density of active sites, so on. However, the holistic systematic understanding mechanism centering on QDs in specific application is still lacking. Herein, a comprehensive introduction these extraordinary 0D materials, e.g., metal oxide, dichalcogenide, halides, multinary oxides, nonmetal QDs, presented. It starts with synthetic strategies properties QDs. Highlights are focused rational design development advanced QDs‐based materials various applications energy‐related fields, including photocatalytic H 2 production, CO reduction, N electrocatalytic evolution, fixation, O solar cells, metal‐ion batteries, lithium–sulfur metal–air supercapacitors. At last, challenges perspectives semiconducting detailedly proposed.

Language: Английский

Citations

82
Atomic‐Level Design of Active Site on Two‐Dimensional MoS2 toward Efficient Hydrogen Evolution: Experiment, Theory, and Artificial Intelligence Modelling DOI
Chunwen Sun, Longlu Wang, Weiwei Zhao

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(38)

Published: July 14, 2022

Abstract Atom‐economic catalysts open a new era of computationally driven atomistic design catalysts. Rationally manipulating the structures catalyst with atomic‐level precision would definitely play significant role in future chemical industry. Of particular concern, there are growing research concentrating on MoS 2 as typical representative transition metal dichalcogenides for its great potential diverse reactive sites applications catalysis hydrogen evolution reaction. At present, rational ‐based greatly depends comprehensive understanding structure–activity relationships active that still lacks systematic summary. In this regard, we dissected internal between active‐site configurations and corresponding catalytic activity theoretically experimentally to give impetus next‐generation high‐performance The necessity normalizing existing evaluation methodology developing more‐precise metrics is discussed. Moreover, advancement artificial intelligence an effective tool physicochemical properties well important theoretical pre‐design has also been reviewed. Finally, summarized opportunities challenges nanoscale desired by assembling atoms controllable way.

Language: Английский

Citations

75