The webs were oxidatively stabilized and activated by steam resulting in activated carbon nanofibers (ACNFs). The specific surface area of the ACNF activated at 700 ° C was the highest but mesopore volume fraction of that was lowest.
READ MORECarbon-based nanomaterials such as carbon nanotubes and graphene may be considered as alternative electrode materials for molecular electronics 110. In particular, graphene is regarded as a viable
READ MORECopper and carbon electrodes exhibited different electron emission modes. The carbon electrode could reach temperatures high enough for thermionic emission. The electron emission of the copper
READ MOREThis work is aimed to use eggshells waste as a cheap precursor for the green synthesis of CaO nanoparticles. The prepared nanoparticles were characterized using XRD, FTIR, and SEM then conjugated with l - Methionine polymer film to modify carbon paste electrode. The modified electrode was used for the first time for sensitive and
READ MOREThe performance of four pristine, commercially available carbon electrode materials was studied in an operating VRB cell. The effect of heat-treatment on these materials was investigated. Carbon felt electrodes (GFD4.6 EA) that are widely used in VRBs were compared to various carbon papers including SGL 10 AA, SGL 39 AA and
READ MOREAfter more than 10 years of intensive optimization, perovskite solar cells (PSCs) have now reached the point where the step towards their commercialization is expected. In order to move in this direction, the upscaling of devices is mandatory. However, the metal electrodes employed in the highest performing PSCs constitute a major
READ MORESilver nanowires (AgNWs) acted as an electrode material in supercapacitor not only improve the electrical conductivity, but also enhance the
READ MOREWe fabricated flexible transparent conducting electrodes by printing films of single-walled carbon nanotube (SWNT) networks on plastic and have demonstrated the Also at Department of Physics, Stanford University, Stanford, CA
READ MORECarbon paper electrodes are employed for different electrochemical applications such as flow batteries and fuel cells. However, redox reactions such as VO
READ MORENitrogen-doped carbon materials have emerged as an excellent choice for developing electrodes in supercapacitors. This work critically examines the
READ MORECarbon electrode for Ge-Se-Sb based OTS selector for ultra low leakage current and outstanding endurance Abstract: In this paper we study the reliability of a N-doped Ge-Se
READ MOREMoisture-assisted post-annealing was performed on carbon-electrode based planar perovskite solar cells so as to improve the hole-extraction process. It was obse
READ MOREDrawing inspiration from biological species, the carbon allotropes, such as fullerenes, carbon nanotubes, and graphene, can be engineered into mechanically
READ MORECarbon monofluoride (CFx) has a high energy density, exceeding 2000 W h kg−1, yet its application in primary lithium batteries is limited by its power capability. Multi
READ MORECarbon nanotube sheet electrodes have been prepared from catalytically grown carbon nanotubes of high purity and narrow diameter distribution, centered around 80 Å. Our study shows that the electrodes are free-standing mats of entangled nanotubes with an open porous structure almost impossible to obtain with activated carbon or
READ MOREIn order to prevent this phenomenon, we engineered a thin carbon layer inserted in between the TiN electrode and the OTS material. Selector device performances are then considerably improved, achieving an ultra-low leakage current of 10 pA and an endurance of 10<sup>9</sup> cycles.
READ MOREThis work introduces a practical low-cost indentation test to determine the elasticity of hard carbon electrodes containing standard carboxymethylcellulose binder. Using the proposed method, relative elastic moduli of hard carbon electrodes were found to be 0.079 GPa (1% binder), 0.088 GPa (2% binder), 0.105 GPa (3% binder) and 0.113
READ MOREMacroscopic carbon nanotube (CNT) fibers approximately 1 mm in diameter and 6 m long were prepared from CNT socks. The as-prepared macro-fiber exhibited excellent flexibility and manipulability. Microscopic examination showed that the fibers mainly consisted of CNTs with a fine graphitic structure and a large diameter
READ MOREConclusions. We have shown that a transition from irreversible to reversible sodium storage in state-of-the-art Na-ion batteries is possible via doping the hard carbon anodes with sulfur. For this we have developed a doping technique based in CVD that effectively incorporates sulfur into the hard carbon microstructure.
READ MOREA novel fiber-shaped dye-sensitized solar cell (DSSC) based on an all-carbon electrode is presented, where low-cost, highly-stable, and biocompatible carbon materials are applied to both the photoanode and the counter electrode.The fibrous carbon-based photoanode has a core–shell structure, with carbon fiber core used as conductive substrate to collect
READ MOREIn molecular electronics, electrode–molecule anchoring strategies play a crucial role in the design of stable and high-performance functional single-molecule devices. Herein, we employ aromatic pyrazine as anchors to connect a central anthracene molecule to carbon electrodes including graphene and armchair s
READ MOREElectrochemical characteristics of supercapacitors built from multiwalled carbon nanotubes electrodes have been investigated and correlated with microtexture an. M. Mehring, and S. Roth (American Institute of Physics, Melville, NY, 1999), pp. 429–432. 11. E. Frackowiak and F. Béguin, Carbon (to be published). 12. C.
READ MOREOur first-principles study of the contact between a semiconducting single-walled carbon nanotube (s-SWNT) and metal electrodes shows that the electronic structure and potential depend strongly on the type of metal. The s-SWNT is weakly side-bonded to the gold surface with minute charge rearrangement and remains semiconducting.
READ MOREIn molecular electronics, electrode–molecule anchoring strategies play a crucial role in the design of stable and high-performance functional single-molecule
READ MOREThe electrochemical and the mass transport behavior of ABTS 2− /ABTS.− (2,2′-azinobis(3-ethylbenzothiazoline-6-sulfonate)) redox couple at glassy carbon electrode (GCE) in phosphate buffer solution (PBS, pH=4.4) is studied in detail by cyclic voltammetry combined with rotating disk electrode system. From the i-E curves recorded at different
READ MOREAt time t5, the arc root gathered on the surface of the carbon protrusion. The erosion behaviour between the elec-trodes was changed from carbon‐copper erosion to carbon‐carbon erosion and was relatively stable. The identifiable arc voltage was 27–28 V. was nearly 1/3 higher than that of Experiment 1.
READ MOREThese observations can contribute to further development and optimization of solid-state batteries with 3D electrospun carbon fiber electrodes. Topics Composite materials, Carbon based materials, Electrospinning, Solid-state batteries, Polymer electrolyte, Chemical elements, Electrodes, Solid electrolyte interphase, Half-cell,
READ MORENeutron imaging was employed to track the uptake of Gd $$^{3+}$$ 3 + ions by the sub 2 nm micropores of charged activated carbon cloth electrodes from an aqueous Gd(NO $$_3$$ 3 ) $$_3$$ 3 solution. The transmitted neutron intensity evinces the persistent presence of Gd $$^{3+}$$ 3 + in the micropores during the discharge cycle,
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READ MORESCs are mainly composed of polarized electrodes (electrode material), an electrolyte and a separator. The electrode material plays a key role in the performance of the SCs. Electrode materials can be composed of activated carbon [4], carbon nanotube [5], carbon aerogel [6], graphene [7] or template carbon [8]. In these materials, activated
READ MOREApplied Physics A - Increasing the energy density without sacrificing power density is a key technical problem all the time that hinders the further application of supercapacitor. A single cell with a composite electrode composed of activated carbon (AC) and 4% AgNWs has a capacitance of 215 F g− 1, an excellent rate performance of
READ MOREElectrolyte effect for carbon dioxide reduction reaction on copper electrode interface: A DFT prediction This paper is part of the JCP Special Topic on Chemical Physics of Electrochemical Energy Materials. J. Chem. Phys. 158 we find that the charge transfer is from metal electrode transfer to CO 2 and the hydrogen bond interaction
READ MOREPorous carbons have been widely used as electrode materials for various electrochemical devices including batteries, electric double layer (EDL) capacitors, and fuel cells. 1 The performance of these energy-storage devices is closely related to the specific surface area of the carbon materials. Whereas conventional EDL models assume a
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