A5049197241- Advancements in Battery Materials
- Advanced Photocatalysis Techniques
- Supercapacitor Materials and Fabrication
- Advanced Battery Materials and Technologies
- Ammonia Synthesis and Nitrogen Reduction
- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Fuel Cells and Related Materials
- CO2 Reduction Techniques and Catalysts
- Electrochemical Analysis and Applications
- Caching and Content Delivery
- Nanomaterials for catalytic reactions
- Advanced Battery Technologies Research
- MXene and MAX Phase Materials
- Nuclear materials and radiation effects
- Vitamin K Research Studies
- Graphene research and applications
- Extraction and Separation Processes
- Solar-Powered Water Purification Methods
- Carbon Dioxide Capture Technologies
- Vitamin C and Antioxidants Research
- Advanced Memory and Neural Computing
- Advanced Sensor and Energy Harvesting Materials
- Hydrogen Storage and Materials
- Nuclear Materials and Properties
Rice University
2023-2024
Fuzhou University
2024
Johns Hopkins University
2024
The University of Texas at Austin
2017-2023
Walker (United States)
2021-2023
Southwest University of Science and Technology
2016-2021
University of Science and Technology of China
2015-2020
Hefei Institutes of Physical Science
2018-2020
Chinese Academy of Sciences
2018-2020
East China Jiaotong University
2017
Designing highly efficient electrocatalysts for oxygen evolution reaction (OER) plays a key role in the development of various renewable energy storage and conversion devices. In this work, we developed metallic Co4N porous nanowire arrays directly grown on flexible substrates as active OER first time. Benefiting from collaborative advantages character, 1D arrays, unique 3D electrode configuration, surface oxidation activated arrays/carbon cloth achieved an extremely small overpotential 257...
Flexible and degradable pressure sensors have received tremendous attention for potential use in transient electronic skins, flexible displays, intelligent robotics due to their portability, real-time sensing performance, flexibility, decreased waste environmental impact. However, it remains a critical challenge simultaneously achieve high sensitivity, broad range (up 30 kPa), fast response, long-term durability, robust degradability full-scale biomonitoring waste. MXenes, which are...
Seeking earth-abundant electrocatalysts with high efficiency and durability has become the frontier of energy conversion research. Mixed-transition-metal (MTM)-based electrocatalysts, owing to desirable electrical conductivity, synergistic effect bimetal atoms, structural stability, have recently emerged as new-generation hydrogen evolution reaction (HER) electrocatalysts. However, correlation between anion species their intrinsic electrocatalytic properties in MTM-based is still not well...
Isolated Fe sites achieve enhanced intrinsic activity for nitrate electroreduction to ammonia with ∼100% selectivity, which effectively inhibit water dissociation through a nitrate-preoccupation mechanism.
Abstract 2D nanomaterials provide numerous fascinating properties, such as abundant active surfaces and open ion diffusion channels, which enable fast transport storage of lithium ions beyond. However, decreased surfaces, prolonged pathway, sluggish kinetics caused by self‐restacking during electrode assembly remain a major challenge to build high‐performance energy devices with simultaneously maximized power density well long cycle life. To address the above challenge, porosity (or hole)...
Catalysts for oxygen evolution reaction (OER) are pivotal to the scalable storage of sustainable energy by means converting water and hydrogen fuel. Designing efficient electrocatalysis combining features excellent electrical conductivity, abundant active surface, structural stability remains a critical challenge. Here, we report rational design controlled synthesis metallic transition metal selenide NiCo2Se4-based holey nanosheets as highly robust OER electrocatalyst. Benefiting from...
Abstract Designing highly efficient electrocatalysts for oxygen evolution reaction (OER) plays a key role in the development of various renewable energy storage and conversion devices. In this work, we developed metallic Co 4 N porous nanowire arrays directly grown on flexible substrates as active OER first time. Benefiting from collaborative advantages character, 1D arrays, unique 3D electrode configuration, surface oxidation activated arrays/carbon cloth achieved an extremely small...
Metallic cobalt nitrides arising from electron delocalization modulation have been proven to be highly efficient OER electrocatalysts.
Developing novel gold nanoclusters as an electrocatalyst can facilitate a completely reversible reaction between S and Na, achieving advanced high-energy-density room-temperature sodium–sulfur batteries.
The oxygen evolution reaction (OER) is pivotal for renewable energy conversion and storage devices, such as water electrolyzers rechargeable metal-air batteries. However, the rational design of electrocatalysts with suitably high efficiencies stabilities in strongly acidic electrolytes remains a significant challenge. Here, we show demonstration sub-10 nm, composition-tunable Rh-Ir alloy nanoparticles (NPs) prepared using scalable microwave-assisted method superior OER catalysts. activities...
Sodium-ion battery (SIB) as one of the most promising large-scale energy storage devices has drawn great attention in recent years. However, development SIBs is limited by lacking proper anodes with long cycling lifespans and large reversible capacities. Here we present rational synthesis Rayleigh-instability-induced bismuth nanorods encapsulated N-doped carbon nanotubes (Bi@N–C) using Bi2S3 nanobelts template for high-performance SIB. The Bi@N–C electrode delivers superior sodium...
Ammonia (NH3) is an essential ingredient in agriculture and a promising source of clean energy as hydrogen carrier. The current major method for ammonia production, however, the Haber-Bosch process that leads to massive consumption severe environmental issues. Compared with nitrogen (N2) reduction, electrochemical nitrate reduction reaction (NO3RR), higher NH3 yield rate Faradaic efficiency, holds promise efficient production under ambient conditions. To achieve NO3RR, electrocatalysts...
ConspectusSingle-atom catalysts (SACs) have aroused tremendous interest over the past decade, particularly in community of energy and environment-related electrocatalysis. A rapidly growing number recent publications recognized it as a promising candidate with maximum atomic utilization, distinct activity, selectivity comparison to bulk nanocatalysts. However, complexity localized coordination environments dispersion isolated sites lead significant difficulties when comes gaining insight...
Despite modern chemistry's success in providing affordable fertilizers for feeding the population and supporting ammonia industry, ineffective nitrogen management has led to pollution of water resources air, contributing climate change. Here, we report a multifunctional copper single-atom electrocatalyst-based aerogel (Cu SAA) that integrates multiscale structure coordinated single-atomic sites 3D channel frameworks. The Cu SAA demonstrates an impressive faradaic efficiency 87% NH3...
Abstract Efficient CO 2 separation technologies are essential for mitigating climate change. Compared to traditional thermochemical methods, electrochemically mediated carbon capture using redox-tunable sorbents emerges as a promising alternative due its versatility and energy efficiency. However, the undesirable linear free-energy relationship between redox potential binding affinity in existing chemistry makes it fundamentally challenging optimise key sorbent properties independently via...
A general template-directed strategy is developed for the controlled synthesis of two-dimensional (2D) assembly Co3O4 nanoparticles (ACN) with unique holey architecture and tunable hole sizes that enable greatly improved alkali-ion storage properties (demonstrated both Li Na ion storage). The as-synthesized ACN 10 nm holes exhibit excellent reversible capacities 1324 mAh/g at 0.4 A/g 566 0.1 storage, respectively. are attributed to interconnected framework enables efficient charge/mass...
Abstract In this work, a novel concept of introducing local built‐in electric field to facilitate lithium‐ion transport and storage within interstitial carbon (C‐) doped nanoarchitectured Co 3 O 4 electrodes for greatly improved properties is demonstrated. The imbalanced charge distribution emerging from the C‐dopant can induce field, transfer. Via mechanism “surface locking” effect in situ topotactic conversion, unique sub‐10 nm nanocrystal‐assembled hollow nanotubes (HNTs) are formed,...
A surface-strained and geometry-optimized TiO2 nanoreactor enhances the performance of electrocatalytic nitrogen fixation. The nanotubular confinement allows spatial regulation mass transport during NRR process offers an enlarged surface area, thus boosting ammonia production with high selectivity. Both experimental theoretical evidence support strained Ti3+ sites, demonstrating a more favorable pathway for N2 activation selective NH3 faster kinetic rate than pristine TiO2. TiO2-based bulk...
Tin-based alloys (Sn–M, M = Fe, Co, Ni, and Cu) have been considered as promising alternatives for graphite anode in advanced Li-ion batteries, but their practical application is hindered by huge volume change-induced poor cycle life. We propose here a facile inorganic–organic double-network nanostructured hydrogel-enabled methodology uniformly immobilizing ultrafine Sn–M hierarchical carbon frameworks. The gel, consisting of three-dimensional (3D) intertwined cyano-bridged Sn(IV)–Fe(II)...