nitrogen defect energy storage
Strategic nitrogen defect engineering for optimizing the …
In the field of environmental governance, many researchers are committed to studying how to convert solar energy into chemical energy for storage or utilization. ... It has been demonstrated that the energy band structure of g-C 3 N 4 can produce defective energy levels when nitrogen defects are introduced. Shi et al. ...
Nitrogen‐Doping‐Induced Defects of a Carbon Coating Layer Facilitate Na‐Storage …
A nitrogen‐doped, carbon‐coated Na3V2(PO4)3 cathode material is synthesized and the formation of doping type of nitrogen‐doped in carbon coating layer is systemically investigated. Three different carbon‐nitrogen species: pyridinic N, pyrrolic N, and quaternary N are identified. The most important finding is that different carbon‐nitrogen species in …
Polysulfide regulation by defect-modulated Ta3N5−x …
Resolving low sulfur reaction activity and severe polysulfide dissolution remains challenging in metal-sulfur batteries. Motivated by a theoretical prediction, herein, we strategically propose nitrogen-vacancy tantalum nitride (Ta 3 N 5 − x) impregnated inside the interconnected nanopores of nitrogen-decorated carbon matrix as a new …
Nitrogen defect engineering in porous g-C3N4 via one-step …
A maximum surface area of almost 2.35 times of the raw g-C 3 N 4 was achieved for the sameple heated at 650 °C for 2 h. With the proposed one-step thermal approach, we have achieved an increase in C/N ratio, bandgap, and surface area for all defect-modified g-C 3 N 4 samples. This study provides a simple defect engineering …
Shear Field-Controlled Synthesis of Nitrogen-Doped Carbon Nanochains Forest with High-Density sp3 Defects …
Defect engineering and nitrogen doping being effective strategies for modulating the surface chemical state of the carbon matrix have been widely explored to promote the catalytic activity in the territory of electrochemical energy storage and conversion devices. However, the controllable synthesis of carbon material with high …
Defect Engineering of 2D Materials for Electrochemical Energy Storage …
Defect Engineering of 2D Materials for Electrochemical Energy Storage. Haipeng Liu, W. Lei, +5 authors. Haijun Zhang. Published in Advanced Materials Interfaces 29 May 2020. Materials Science, Engineering. With the increasing demands for current clean energy technologies, researchers are paying more and more attention to the full …
Recent advances in nitrogen-doped graphene oxide nanomaterials: Synthesis and applications in energy storage…
This review covers recent advances on production techniques, unique properties and novel applications of nitrogen-doped graphene oxide (NGO). The focal point is placed on the evaluation of diverse methods of production for NGO and reduced nitrogen-doped graphene oxide (NrGO) nanosheets using GO and graphite as carbon precursors. Variation in …
Nitrogen‐Doping‐Induced Defects of a Carbon Coating Layer Facilitate Na‐Storage in Electrode Materials
Advanced Energy Materials is your prime applied energy journal for research providing solutions to today''s global energy challenges. A nitrogen-doped, carbon-coated Na3V2(PO4)3 cathode material is synthesized and the formation of doping type of nitrogen-doped in carbon coating layer is systemically investigated.
Promotion of the performance of nitrogen-doped graphene by
The depletion of conventional fossil fuel is one of the most serious problems nowadays. To develop new materials for efficient energy transformation or storage are great challenges for the researchers. Due to the unique two-dimensional structure, high surface area, excellent electrical conductivity, and easy modification, graphene (GR) has …
Metal–organic framework-derived heteroatom-doped
Based on different configurations and energy storage mechanisms of various energy storage systems such as SCs, lithium-ion batteries (LIBs), sodium-ion batteries (SIBs), potassium-ion batteries (PIBs), lithium–sulfur batteries (LSBs), and zinc–air batteries (ZABs), their advantages and disadvantages are given in Fig. 3.The main …
Defect engineering in carbon materials for electrochemical energy storage …
1. Introduction Rapid advancement in urbanization and continuous development of industrialization have greatly exacerbated the excessive use of non-renewable fossil sources (e.g., coal, oil, natural gas, etc.), and further highlighted the serious energy crisis and environmental problems. 1–3 Developing efficient, green, safe and continuable …
Engineering cobalt nitride nanosheet arrays with rich nitrogen defects …
1. Introduction In recent years, electrochemical technologies have played a key role in searching for reusable energy sources, including water splitting, fuel cells, and metal-air batteries to drive the development of clean and sustainable energy storage and conversion [1], [2]..
Constructing sulfur and nitrogen codoped porous carbon with optimized defect …
Sulfur-nitrogen rich carbon as stable high capacity potassium ion battery anode: performance and storage mechanisms Energy Storage Mater., 17 ( 2020 ), pp. 212 - 225 View PDF View article View in Scopus Google Scholar
Laser-induced nitrogen-doped hierarchically porous graphene for advanced electrochemical energy storage …
Most importantly, the as-prepared LING electrode material has high energy and power density due to the synergistic effect of hierarchical porous structure, nitrogen-doping and engineering defects. The proposed laser one-step synthesis of LING may also be applied to other heteroatom-doped hierarchical porous graphene-based electrodes for …
Laser-induced nitrogen-doped hierarchically porous graphene for ...
Most importantly, the as-prepared LING electrode material has high energy and power density due to the synergistic effect of hierarchical porous structure, nitrogen-doping and engineering defects. The proposed laser one-step synthesis of LING may also be applied to other heteroatom-doped hierarchical porous graphene-based electrodes for …
Controllable defect engineering enhanced bond strength for stable electrochemical energy storage …
As far as the energy storage device is concerned, the perfect combination of vacancy defects and materials can effectively enhance the electrochemical performance. For example, defect engineered MoS 2−x exhibits higher capacity compared with MoS 2 for Zn-ion batteries [25], suggesting that S vacancy may be the potential insertion sites for …
DFT-Guided Design and Fabrication of Carbon-Nitride-Based
Rechargeable metal ion batteries (MIBs) are one of the most reliable portable energy storage devices today because of their high power density, exceptional energy capacity, high cycling stability, and low self-discharge [1, 2].Lithium-ion batteries (LIBs) remain the most developed and commercially viable alternative among all …
Polysulfide regulation by defect-modulated Ta3N5−x …
The defect-rich structure was further manifested by electron paramagnetic response (EPR) spectroscopy (Fig. 3 g). Ta 3 N 5 − x @NMC exhibits a prominent response with a g-factor of 2.004, corresponding to nitrogen defects from excess unpaired electrons in Ta 3 N 5, confirming the existence of a large proportion of nitrogen vacancies in Ta 3 …
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