4.8 Article

Realizing efficient electrochemical overall water electrolysis through hierarchical CoP@NiCo-LDH nanohybrids

相关参考文献

注意:仅列出部分参考文献,下载原文获取全部文献信息。
Article Chemistry, Multidisciplinary

Oxidation State Engineering in Octahedral Ni by Anchored Sulfate to Boost Intrinsic Oxygen Evolution Activity

Tao Zhang et al.

Summary: An in situ approach is developed to modify the valence state of octahedral Ni cations in NiFe2O4 spinel oxides, using surface sulfates. This modification enhances the oxygen evolution reaction (OER) performance by promoting the electron occupancy of active sites to near-unity and optimizing the energy barrier of the potential-determining step. The co-modification strategy significantly enhances the electrocatalytic activity.

ACS NANO (2023)

Article Chemistry, Physical

Phosphorus vacancies enriched cobalt phosphide embedded in nitrogen doped carbon matrix enabling seawater splitting at ampere-level current density

Xuanyi Wang et al.

Summary: This study synthesized an electrocatalyst CoxPv@NC with a unique multilevel structure enriched with P vacancies, which was successfully applied in industrial seawater splitting. The CoxPv@NC seawater electrolyzer requires low voltages of 1.88 V and 1.74 V in 1.0 M KOH seawater solution and 6.0 M KOH seawater solution at 60 degrees C, respectively, and exhibits outstanding catalytic performance over 100 hours at 1.0 A cm-2.

NANO ENERGY (2023)

Article Chemistry, Physical

Mo-doped cobalt hydroxide nanosheets coupled with cobalt phosphide nanoarrays as bifunctional catalyst for efficient and high-stability overall water splitting

Yupeng Xiao et al.

Summary: A facile electrodeposit-phosphating-electrodeposit strategy is developed to obtain Mo-doped Co(OH)(2) nanofilms coupled with CoP nanosheets, which exhibit outstanding electrocatalytic performance for overall water splitting. The dopant of Mo in the Co(OH)(2) can further improve the electrocatalytic performance, and MoCo(OH)(2)/CoP/NF even exceeds the benchmark electrode couple for overall water splitting.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

Article Chemistry, Physical

NiCo layered double hydroxide nanosheets with enhanced electrochemical performance

Mengdi Wang et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

Article Chemistry, Physical

Unravelling the synergy of oxygen vacancies and gold nanostars in hematite for the electrochemical and photoelectrochemical oxygen evolution reaction

Hao Zhang et al.

Summary: In this study, a dual-functional catalyst based on hematite was developed for both EC and PEC water oxidation in alkaline media. The catalyst exhibited excellent activity and stability on both EC and PEC, and showed superior electrocatalytic performance for OER. The addition of gold nanoparticles on the hematite improved the adsorption strength of oxygen-containing intermediates and increased the OER activity.

NANO ENERGY (2022)

Article Chemistry, Multidisciplinary

Boosting Hydrogen Evolution Reaction by Phase Engineering and Phosphorus Doping on Ru/P-TiO2

Shizheng Zhou et al.

Summary: In this study, a Ru cluster anchored on a trace P-doped defective TiO2 substrate (Ru/P-TiO2) was synthesized as an electrocatalyst for the hydrogen evolution reaction (HER) in alkaline media. The Ru/P-TiO2 exhibited superior activity compared to commercial Pt/C and Ru/TiO2 materials. Experimental and theoretical studies revealed that the rutile-TiO2 crystal phase substrate with rich surface oxygen vacancies facilitated water adsorption and dissociation, while P substitution enhanced hydrogen generation by promoting hydrogen spillover, synergistically enhancing the HER activity.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

Article Engineering, Environmental

In-situ generation of Ni-CoOOH through deep reconstruction for durable alkaline water electrolysis

Mingpeng Chen et al.

Summary: This study reveals the mechanism for the formation of the surface-reconstruction-induced layer on transition metal-based catalysts and its role in the electrocatalytic oxygen evolution reaction (OER). The anodization process improves the OER activity of the NiCobased hybrid catalyst and generates Ni-CoOOH nanosheets array with promising surface wettability, where the high-valence Co acts as the active site for efficient oxygen evolution.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Chemistry, Multidisciplinary

High-efficiency NiCo layered double hydroxide electrocatalyst

Mengdi Wang et al.

Summary: In this study, the electrical conductivity of LDH materials was improved by coating them with PEDOT, leading to enhanced performance in water electrolysis. The prepared NiCo-LDH@PEDOT-200 composite exhibited excellent electrocatalytic activity and stability in alkaline electrolyte, making it a promising catalyst for efficient water splitting.

NEW JOURNAL OF CHEMISTRY (2022)

Article Chemistry, Multidisciplinary

Regulative Electronic States around Ruthenium/Ruthenium Disulphide Heterointerfaces for Efficient Water Splitting in Acidic Media

Jiawei Zhu et al.

Summary: Theoretical calculations and experimental results demonstrate that Ru/RuS2 heterostructure possesses optimized catalytic performance, especially showing extremely high activity and performance in acidic media.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Review Chemistry, Multidisciplinary

Roadmap and Direction toward High-Performance MoS2 Hydrogen Evolution Catalysts

Yang Cao

Summary: MoS2 shows Pt-like hydrogen evolution reaction (HER) performance through strategies such as phase engineering, S vacancy, heterojunctions, and dopants. By utilizing these approaches, MoS2 has the potential to become a highly efficient HER catalyst comparable to Pt.

ACS NANO (2021)

Article Chemistry, Multidisciplinary

Ultrathin amorphous iron-doped cobalt-molybdenum hydroxide nanosheets for advanced oxygen evolution reactions

Lingjian Zeng et al.

Summary: Developing highly efficient and low-cost electrocatalysts for the oxygen evolution reactions (OERs) is crucial for renewable energy technology. This study presents an efficient strategy for synthesizing amorphous nanosheets at low temperatures, showing outstanding performance and stability, providing a new approach for constructing efficient non-noble metal catalysts.

NANOSCALE (2021)

Article Materials Science, Multidisciplinary

Fluorine-Induced Dual Defects in Cobalt Phosphide Nanosheets Enhance Hydrogen Evolution Reaction Activity

Kun Xu et al.

ACS MATERIALS LETTERS (2020)

Article Chemistry, Multidisciplinary

3D Self-Supported Fe-Doped Ni2P Nanosheet Arrays as Bifunctional Catalysts for Overall Water Splitting

Yingjie Li et al.

ADVANCED FUNCTIONAL MATERIALS (2017)

Article Chemistry, Physical

NiFe-Based (Oxy)hydroxide Catalysts for Oxygen Evolution Reaction in Non-Acidic Electrolytes

Fabio Dionigi et al.

ADVANCED ENERGY MATERIALS (2016)

Article Chemistry, Physical

X-ray Photoelectron and Absorption Spectroscopy of Metal-Rich Phosphides M2P and M3P (M = Cr-Ni)

Peter E. R. Blanchard et al.

CHEMISTRY OF MATERIALS (2008)