Graphene Sodium Ion Capacitor
Redispersed Bi nanoparticles on graphene fiber fabric anode …
The entire Bi/GFF composite exhibits good conductivity, flexibility, and superior sodium ion storage specific capacity of 113 mAh g −1 at 30 A g −1, which are conceptionally demonstrated as an anode for flexible sodium ion capacitors (SICs). The quasi-solid-state SICs exhibit great mechanical-electrochemical stability, integration …
MoSe2 nanosheets perpendicularly grown on graphene with Mo–C bonding for sodium-ion capacitors
Semantic Scholar extracted view of "MoSe2 nanosheets perpendicularly grown on graphene with Mo–C bonding for sodium-ion capacitors" by Xu Zhao et al. DOI: 10.1016/J.NANOEN.2018.03.002 Corpus ID: 103084748 MoSe2 …
Unraveling the energy storage mechanism in graphene-based …
Graphene has been extensively utilized as an electrode material for nonaqueous electrochemical capacitors. However, a comprehensive understanding of …
Heterogeneous WO2/WS2 microspheres synergized with reduced graphene ...
Heterogeneous WO 2 /WS 2 microspheres wrapped by reduced graphene oxide are prepared.. WO 2 /WS 2 nanosheets shorten Na + diffusion and WO 2 guarantee high electron conductivity.. RGO provide structure protecting layer and alleviate the volume change of WO 2 /WS 2.. WO 2 /WS 2-rGO electrode exhibits large capacity, high rate …
MoSe2 nanosheets perpendicularly grown on graphene with …
Furthermore, a sodium ion hybrid capacitor is showcased using MoSe 2 /graphene as the anode and activated carbon as the cathode, demonstrating an excellent cycling stability at 5 A g −1 for 5000 cycles with a high energy and power density of 82 W h kg −1 and 10,752 W kg −1, respectively.
[PDF] Graphene-coupled Ti3C2 MXenes-derived TiO2 mesostructure: promising sodium-ion capacitor anode with fast ion …
Sodium-ion-based capacitors and batteries are considered as a low-cost energy storage technology alternative to their lithium-ion counterparts owing to the abundance of sodium in Earth. Their widespread use is however limited by the lack of high-performance electrode materials. In this work, we report that MXenes-Ti3C2 can be …
MoSe2 nanosheets perpendicularly grown on graphene with Mo–C bonding for sodium-ion capacitors …
Two-dimensional (2D) MoSe 2 /graphene nanocomposites show great potential as anode materials for sodium ion batteries (SIBs). In this work, we report the controlled growth of oriented, interlayer-expanded MoSe 2 nanosheets on graphene with Mo–C bonding via a surfactant-directed hydrothermal reaction. ...
Sodium Ion Capacitor Using Pseudocapacitive Layered Ferric …
Sodium ion capacitors (SICs) are designed to deliver both high energy and power densities at low cost. ... Na + intercalation pseudocapacitance in graphene-coupled titanium oxide enabling ultra-fast sodium storage and long-term cycling Nat. Commun. 2015; 6 ...
Atomic layer deposition regulating hydrated K2Ti6O13 nanobelts …
Confined seeds derived sodium titanate/graphene composite with synergistic storage ability toward high performance sodium ion capacitors. Chem. Eng. J., 379 (2020), ... Design of Lamellar Mo2C Nanosheets Assembled by Mo2C Nanoparticles as an Anode Material toward Excellent Sodium-Ion Capacitors, ACS Sunstain. Chem. Eng. …
Redispersed Bi nanoparticles on graphene fiber fabric anode regulated by microwave irradiation for flexible sodium ion capacitors …
Flexible Bi/GFF anode exhibits superior Na + storage capacity for sodium ion capacitors. Abstract ... Graphene Networks Anchored with Sn@Graphene as Lithium Ion Battery Anode ACS Nano, 8 (2) (2014), pp. 1728-1738, 10.1021/nn406105n View in …
Surface enriched graphene hollow spheres towards building ultra …
Carbon Power: A high energy and ultra-high power sodium-ion capacitor (NIC) constructed with highly interconnected 3D graphene nanospheres as both anode …
Graphene wrapped TiO2@MoSe2 nano-microspheres with sandwich structure for high-performance sodium-ion hybrid capacitor …
Pseudocapacitive sodium storage in mesoporous single-crystal-like TiO 2 −graphene nanocomposite enables high-performance sodium-ion capacitors ACS Nano, 11 ( 2017 ), pp. 2952 - 2960 Crossref View in Scopus Google Scholar
Graphene-coupled Ti3C2 MXenes-derived TiO2 mesostructure: …
Graphene-coupled Ti 3 C 2 MXenes-derived TiO 2 mesostructure: ... Sodium-ion-based capacitors and batteries are considered as a low-cost energy storage technology alternative to their lithium-ion counterparts owing to the abundance of sodium in Earth. Their widespread use is however limited by the lack of high-performance electrode …
Aqueous lithium and sodium ion capacitors with boron-doped graphene/BDD/TiO2 anode and boron-doped graphene/BDD …
Boron-doped graphene (BDG) sheets were grown directly on boron-doped diamond (BDD). • A BDG/BDD cathode and BDG/nanocrystals BDD/TiO 2 nanotubes anode were designed. Aqueous sodium and lithium …
Encapsulation of NiCo2O4 in nitrogen-doped reduced graphene …
Sodium-ion capacitors are considered as promising energy storage devices for medium/large-scale energy storage applications including electric vehicles (EVs) and smart grid technologies because of their high energy/power densities and long cycle life. However, finding a high-performance anode material has be
Exposed high-energy facets in ultradispersed sub-10 nm SnO2 …
Graphene studded with tin dioxide nanocrystals provides a novel electrode material for sodium-ion capacitors with fast storage and excellent cyclability (the …
Unraveling the energy storage mechanism in graphene-based nonaqueous electrochemical capacitors …
Graphene has been extensively utilized as an electrode material for nonaqueous electrochemical capacitors. However, a comprehensive understanding of the charging mechanism and ion arrangement at ...
Advanced sodium-ion capacitor based on antimony-carbon
Alloy-type materials with the characteristics of high theoretical capacity, low sodiation/desodiation potential, and good conductivity are considered as one of the most promising anodes for sodium-ion batteries or capacitors. However, the large volume change during the sodiation leads to poor cyclability and slow kinetics, thus presenting …
Two-dimensional materials for lithium/sodium-ion capacitors
Ma et al. have comprehensively reviewed graphene-based materials for LICs [7] and Wang et al. have discussed the unique features and working principle as well as the basic requirements of electrode materials for LICs, and summarized the latest advances in pseudocapacitive oxide anodes for LICs and sodium (Na)-ion capacitors …
Flexible sodium-ion capacitors boosted by high electrochemically-reactive and structurally-stable …
The rapid development of portable, foldable, and wearable electronic devices requires flexible energy storage systems. Sodium-ion capacitors (SICs) combining the high energy of batteries and the high power of supercapacitors are promising solutions. However, the lack of flexible and durable electrode materials that allow fast and reversible …
Full paper MoSe2 nanosheets perpendicularly grown on graphene with Mo–C bonding for sodium-ion capacitors …
Two-dimensional (2D) MoSe 2 /graphene nanocomposites show great potential as anode materials for sodium ion batteries (SIBs). In this work, we report the controlled growth of oriented, interlayer-expanded MoSe 2 nanosheets on graphene with Mo–C bonding via a surfactant-directed hydrothermal reaction..
Advanced sodium-ion capacitor based on antimony-carbon …
Alloy-type materials with the characteristics of high theoretical capacity, low sodiation/desodiation potential, and good conductivity are considered as one of the most promising anodes for sodium-ion batteries or capacitors. However, the large volume change during the sodiation leads to poor cyclability and slow kinetics, thus presenting …
Sodium Ion Capacitors: The Interplay of Oxygen Functional …
In article number 1702395, Quan-Hong Yang, Da-Wei Wang and co-workers, successfully utilize graphene oxides as building blocks to construct highly folded …
Graphene wrapped TiO2@MoSe2 nano-microspheres with …
Graphene wrapped TiO 2 @MoSe 2 nano-microspheres with sandwich structure for high-performance sodium-ion hybrid capacitor. ... Sodium-ion hybrid capacitors (SIHCs), as new energy storage devices between traditional electric double layer capacitors and sodium-ion batteries, have many advantages such as high power …
High-performance sodium-ion capacitors with SnS2/ZnS-reduced graphene ...
Sodium-ion capacitors (SICs) with extensive resources and high specific energy–power characteristics have emerged as an advanced energy storage device for large-scale application. However, the heavier molar mass and larger radius of sodium ions slacken the reaction kinetics of anode materials for SICs. In order to further improve the …
Graphene wrapped TiO2@MoSe2 nano-microspheres with …
1. Introduction. Sodium-ion hybrid capacitors (SIHCs), as new energy storage devices between traditional electric double layer capacitors and sodium-ion batteries, have many advantages such as high power density, low cost and excellent cycle stability [1], [2], [3], [4].However, due to the different charge storage mechanisms of …
High-Energy-Density Sodium-Ion Hybrid Capacitors Enabled by …
Sodium-ion hybrid capacitors are known for their high power densities and superior cycle life compared to Na-ion batteries. However, low energy densities (<100 Wh kg–1) due to the lack of high-capacity (>150 mAh g–1) anodes capable of fast charging are delaying their practical implementation. Herein, we report a high-performance Na-ion …
Prussian blue-graphene oxide composite cathode for a sodium-ion capacitor with improved cyclic stability …
Successful application of battery-type cathode Prussian blue to sodium-ion capacitor. • Prussian blue-graphene oxide composite are prepared via one-step decomposition. • Open framework structure of Prussian blue provides a high cyclic stability. • Graphene oxide
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