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Articles by Longlu Wang
Turing-Structured Catalysts for Electrochemical Catalytic Reaction
Turing-Structured Catalysts for Electrochemical Catalytic Reaction With the development of phase engineering, precise phase control has become a key strategy for optimizing the best performance of advanced catalysts. Compared to the traditional method of constructing new phase topology on nano-scale organic materials, Turing-structured catalysts (TSCs) provide a unique method for constructing special phase topology, which expands the scope of phase engineering.
Challenges and Innovations of Bipolar Membranes to Enhance Water Electrolysis Performance
Challenges and Innovations of Bipolar Membranes to Enhance Water Electrolysis Performance Bipolar membranes (BPMs), a specialized category of ion-exchange membranes, consist of a cation-exchange layer (CEL) and an anion-exchange layer (AEL) seamlessly integrated at their interface. These membranes enable the simultaneous transport of cations (e.g., H⁺) and anions (e.g., OH⁻), thereby facilitating hydrogen generation in acidic environments and oxygen evolution in alkaline conditions.
Tip-effect-driven field enhancement and faster mass transport and their advanced applications
Tip-effect-driven field enhancement and faster mass transport and their advanced applications The tip effect refers to the phenomenon where sharper regions of an object experience greater forces, resulting in stronger physical effects (force, velocity, heat, light, electricity, magnetism). As an important physical phenomenon, the tip effect demonstrates unique advantages in nanotechnology, catalysis, micro-fluidics, and micro electro mechanical systems (MEMS).
Advanced Development of Anion Exchange Membrane Electrolyzer for Hydrogen Production: from anion exchange membrane to membrane electrodes assembly
Advanced Development of Anion Exchange Membrane Electrolyzer for Hydrogen Production: from anion exchange membrane to membrane electrodes assembly Anion exchange membrane water electrolysis (AEMWE) has attracted attention due to its operation in alkaline environments, which offers the advantage of not requiring the use of precious metals. Additionally, AEMWE exhibits higher kinetics in the hydrogen evolution reaction, enabling higher hydrogen production efficiency.
Moiré Superlattices of Two-Dimensional Materials toward Catalysis
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Flexible tungsten disulfide superstructure engineering for efficient alkaline hydrogen evolution in anion exchange membrane water electrolysers - Nature Communications
Abstract Anion exchange membrane (AEM) water electrolysis employing non-precious metal electrocatalysts is a promising strategy for achieving sustainable hydrogen production. However, it still suffers from many challenges, including sluggish alkaline hydrogen evolution reaction (HER) kinetics, insufficient activity and limited lifetime of non-precious metal electrocatalysts for ampere-level-current-density alkaline HER.
Atomic Molybdenum Nanomaterials for Electrocatalysis
Conflict of Interest The authors declare that they have no conflict of interest. References 1, , , , , , Energy Strategy Rev 2019, 24, 38. 2, , , , , , Science 2017, 355, eaad4998. 3, , , , , , , , , , Chem. Soc. Rev. 2022, 51, 4583. 4, , , , , Mater. Today 2020, 32, 178. 5, , , , , , , , , , Science 2022, 378, 181. 6, , , , , , , , , , Nat. Energy 2019, 4, 786. 7, , , , , , , , , , Nat. Commun. 2021, 12, 4271. 8, , , , , , , Nat. Catal. 2019, 2, 648. 9, , , Joule 2018, 2, 846. 10, , , , , , , , , Nat. Catal.
Nano Electrocatalysts Engineering for Hydrogen Evolution Reaction by Water Splitting at High Current Density
Preprint Review Version 1 This version is not peer-reviewed Version 1 : Received: 13 May 2024 / Approved: 13 May 2024 / Online: 13 May 2024 (12:30:45 CEST) Wang, L. Nano Electrocatalysts Engineering for Hydrogen Evolution Reaction by Water Splitting at High Current Density. Preprints 2024, 2024050854. https://doi.org/10.20944/preprints202405.0854.v1 Wang, L. Nano Electrocatalysts Engineering for Hydrogen Evolution Reaction by Water Splitting at High Current Density. Preprints 2024, 2024050854.
Tetra‐Coordinated W2S3 for Efficient Dual‐pH Hydrogen Production
Lingbin Xie State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), 9 Wenyuan Road, Nanjing, 210023 P. R.
Bimetallic Single-Atom Catalysts for Electrocatalytic and Photocatalytic Hydrogen Production
This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessFeature PaperReview by 1, 1, 1, 1,* and 2,* 1 College of Electronic and Optical Engineering and College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications (NJUPT), 9 Wenyuan Road, Nanjing 210023, China 2 College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China * Authors to whom correspondence should be addressed.
Semimetallic Vanadium Molybdenum Sulfide For High-Performance Battery Electrodes
The ultrathin thickness and lateral morphology of the two dimensional (2D) MoS2 nanosheet contribute to its high surface-to-volume ratio and short diffusion path, rendering it a brilliant electrode material for Lithium-ion battery (LIBs). However, the low conductivity and easy restacking character of the pure MoS2 nanosheet during extended cycling result in severe capacity fading and poor cycling performance.
Cracked monolayer 1T MoS2 with Abundant Active Sites for Enhanced Electrocatalytic Hydrogen Evolution
Molybdenum disulfide (MoS2) is a promising non-precious-metal catalyst, but its performance is limited by the density of active sites and poor electrical transports. Here, we report the design and preparation of cracked monolayer 1T MoS2 with porous structure by ultrasonication enhanced lithium intercalation of hydrothermal synthesis MoS2 nanosheets.
Energy band modulation of three-dimensional graphitic carbon nitride belt network for enhanced photocatalytic hydrogen evolution
The energy band modulation of three-dimensional (3D) network-like graphitic carbon nitride nanobelt (g-C3N4 NB) was facilely achieved by hydrothermal treatment of bulk g-C3N4 in a medium strong oxalic acid solution (pH 0.89). The conduction (CB) and valence band (VB) level position was upraised from -0.90, +1.86 eV for bulk g-C3N4 to -0.92, +1.92 eV respectively for g-C3N4 NB networks with more powerful redox ability.
Monolayer MoS2 with S Vacancy from Interlayer Spacing Expanded Counterparts for Highly Efficient Electrochemical Hydrogen Production
It is challenging to prepare monolayer MoS2 with activated basal planes by a simple and efficient way. In this study, an interlayer spacing expanded counterpart, ammonia-intercalated MoS2 was obtained by a simple hydrothermal reaction of ammonium molybdate and elemental sulfur in hydrazine monohydrate solution. Then, the ammonia-intercalated MoS2 could be easily exfoliated by ultrasonication to get monolayer MoS2. Importantly, these monolayer MoS2 possessed rich S vacancies.
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