Graphite felt battery negative electrode material
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2.3. Fabrication of rGO/Mxene-decorated graphite felt electrodes. The purchased graphite felt (GF) was cut into pieces with dimensions of 3 × 2 × 0.4 cm. These graphite felt pieces were immersed into an ethanol/water (1 : 1 v : v) solution, followed by ultrasonic treatment for 30 min. Subsequently, the graphite felt pieces were cleaned …
Reduced graphene oxide/MXene hybrid decorated graphite felt …
2.3. Fabrication of rGO/Mxene-decorated graphite felt electrodes. The purchased graphite felt (GF) was cut into pieces with dimensions of 3 × 2 × 0.4 cm. These graphite felt pieces were immersed into an ethanol/water (1 : 1 v : v) solution, followed by ultrasonic treatment for 30 min. Subsequently, the graphite felt pieces were cleaned …
Highly active nitrogen-phosphorus co-doped carbon fiber@graphite felt ...
The assembled battery was charged and discharged using the LAND test system (CT2001A). GF@C-NP-3 (2 × 2 cm 2) was employed as both positive and negative electrodes in the modified battery. For comparison, GF served as positive and negative electrodes in the blank battery. An ion exchange membrane (Nepem-1110) separated …
Controlled synthesis of carbon nanonetwork wrapped graphite felt ...
Carbon-based materials (graphite felt, carbon paper, carbon felt, etc.) have low cost, high stability, and wide working conditions, making them a common electrode material. However, the initial carbon-based materials have the disadvantages of poor hydrophilicity and low electrochemical performance, which are not conducive to the …
Progress, challenge and perspective of graphite-based anode materials ...
The energy density of battery is always limited by the electrode material. Graphite electrode is only used as the storage medium of lithium, and its specific capacity is the factor that can affect the storage energy of the battery. 3.2.2. Increasing the specific capacity of the electrode
Electrochemical Deposition of Bismuth on Graphite Felt Electrodes ...
In this paper, bismuth (Bi) was successfully deposited on graphite felts to improve the electrochemical performances of vanadium redox flow batteries. Modified graphite felts with different Bi particle loadings were obtained through electrochemical deposition at voltages of 0.8 V, 1.2 V and 1.6 V in 0.1 M BiCl3 solution for 10 min. The …
Studies on properties of rayon
Semantic Scholar extracted view of "Studies on properties of rayon- and polyacrylonitrile-based graphite felt electrodes affecting Fe/Cr redox flow battery performance" by Huang Zhang et al. ... and polyacrylonitrile-based graphite felt electrodes affecting Fe/Cr redox flow battery performance}, author={Huang Zhang and Yi Tan and …
Characterization and electrochemical properties of graphite felt …
Half-cell linear-sweep cyclic voltammograms of: (a) positive and (b) negative electrodes using NGF-N90 (solid) and OGF (dash) electrodes in 2 M H 2 SO 4 aqueous solution containing 0.092 M V(IV) and 0.074 M V(V) ions for the positive electrode and 0.074 M V(II) and 0.092 M V(III) ions for the negative electrode, respectively, with …
Graphene/Nafion ink-impregnated graphite felt for both positive …
The presented simple, inexpensive, and scalable method for decorating graphene on graphite felt is suitable for both positive and negative electrodes and can …
Graphite Felt Electrode Modified by Quaternary …
Vanadium redox flow batteries (VRFBs) are one of the most attractive devices for grid-scale energy storage due to their advantages of high safety, flexible assembly, and electrolyte-class recycling. …
The success story of graphite as a lithium-ion anode material ...
The success story of graphite as a lithium-ion ...
Application of modified graphite felt as electrode material: a …
of graphite felt electrodes. In this paper, the future development direction of graphite felt activation modication is also prospected. Keywords Graphite felt · Modication · Electrode material · Flow battery · Electrochemical activity 1 Introduction With the increase of
Electrochemical performance of graphene oxide modified graphite felt …
In this study, we demonstrate that coating a layer of graphene oxide (GO) onto graphite felts (GF) by electrostatic spraying can substantially increase the performance of all-iron redox flow batteries (IRFBs). Graphite felts are extensively used as electrodes but they do not have the desired electrochemical properties. GO has good …
BiVO4-Decorated Graphite Felt as Highly Efficient Negative Electrode for All-Vanadium Redox Flow Batteries | ACS Applied Energy Materials
Recently, discovering high-performance electrocatalytic materials for vanadium redox flow batteries (VRFBs) has been one of the most crucial tasks. This paper details the successful fabrication of a low-cost platelike bismuth vanadate (BiVO4) material through a simple one-step hydrothermal route, employed as an electrocatalyst to adorn …
Sandwiched Cu7S4@graphite felt electrode for high performance …
Carbon paper (Beijing Jinglong Carbon Technology Co., Ltd.) was used as the current collector. The treated graphite felt was used as the positive electrode. A GF-Cu 7 S 4 composite electrodes was used at the negative side. Nafion membranes with various thicknesses including N117 (183 μm) and N115 (127 μm) were used as separators, two ...
Titanium carbide-decorated graphite felt as high …
This paper presents a novel method for preparing binder-free, uniformly distributed titanium carbide (TiC) nanoparticles on graphite …
Ionic liquid derived nitrogen-doped graphite felt electrodes for ...
Nitrogen doped graphite felts were prepared by performing thermal treatment on EMIM dca coated graphite felt under a N 2 atmosphere at 900 °C for 1 h. EMIM dca has been previously used as a precursor for nitrogen doped carbon materials which were obtained by a thermal decomposition [37, 38] was reported that the …
Graphite as anode materials: Fundamental mechanism, recent …
Graphite as anode materials: Fundamental ...
Effect of graphite felt properties on the long-term durability of …
In our contribution we study the long-term durability of two different graphite felt materials serving as negative electrode in vanadium redox flow battery. …
Enhancement of vanadium redox flow battery performance with …
Doping with oxygen and nitrogen in graphite felt (GF) is critical for enhancing the activity of the electrode material in vanadium redox flow batteries …
NTO laminated graphite felt as high-performance negative electrode for vanadium redox flow batteries …
Graphite felt (GF) is a representative electrode material owing to its high porosity, great electronic conductivity, low cost, and superior electrochemical stability [14], [15], [16]. The morphology of the electrode material affect the kinetic properties during electrochemical reactions that occur at the surface of the electrode.
Titanium carbide‑decorated graphite felt as high performance …
RFB single cell tests unequivocally confirm the catalytic effect of TiC towards the negative redox couple V2+/V3+. A VRFB employing a TiC-decorated electrode in the negative …
Application of modified graphite felt as electrode material
of graphite felt electrodes. In this paper, the future development direction of graphite felt activation modication is also prospected. Keywords Graphite felt · Modication · Electrode material · Flow battery · Electrochemical activity 1 Introduction With the increase of fossil energy consumption and the aggravation of environmental ...
Graphite Felt Modified with Bismuth Nanoparticles as Negative Electrode ...
A graphite felt decorated with bismuth nanoparticles was studied as negative electrode in a vanadium redox flow battery (VRFB). The results confirm the excellent electrochemical performance of the ...
Effect of graphite felt properties on the long-term durability of ...
The obtained PAN hard carbon is used as the negative electrode material of lithium ion battery, showing an initial capacity of 343.5 mAh g−1 which is equal to that of graphite electrode (348.6 ...
Titanium Nitride Nanorods Array-Decorated Graphite Felt as …
A battery prepared using the TiN nanorods array-decorated 3D graphite felt electrode has enabled the maximum power density to be 427 mW·cm-2, which is 74.0% higher than a battery assembled with TiN nanoparticles bonded to graphite felt. ... voltage efficiency of 90.4%, and energy efficiency of 84.1%. Moreover, the battery …
NTO laminated graphite felt as high-performance negative …
Graphite felt (GF) is a representative electrode material owing to its high porosity, great electronic conductivity, low cost, and superior electrochemical stability [14], [15], [16]. The morphology of the electrode material affect the kinetic properties during
Highly active nitrogen-phosphorus co-doped carbon fiber@graphite felt electrode for high-performance vanadium redox flow battery …
For comparison, GF served as positive and negative electrodes in the blank battery. An ion exchange membrane (Nepem-1110) separated the electrolytes. The positive and negative initial electrolytes of the battery were 25 mL 0.8 mol L −1 VO 2+ + 0.8 mol L −1 V
Titanium carbide‑decorated graphite felt as high performance negative electrode in vanadium redox flow batteries …
Titanium carbide‑decorated graphite felt as high performance negative electrode in vanadium redox flow batteries. Journal of Materials Chemistry A, 6(15), 6625‑6632.
Achieving unprecedented cyclability of flowless zinc-bromine battery by nitrogen-doped mesoporous carbon on thick graphite felt electrode ...
Compared with the other electrodes used in LIB (in μm thickness) or aqueous battery (in mm thickness), it is applied a thick graphite felt electrode (over 1 cm thickness) to the FLZBB so that more active material storage …
Dynamic Hydrogen Bubble Template Electrodeposited Bi on Graphite Felt As Advanced Negative Electrode Material in Vanadium Redox Flow Batteries ...
Three-dimensional structured graphite felts (GF) are widely employed as electrode materials in vanadium redox flow batteries (VRFB), due to their high porosity, chemical stability, and good electrical conductivity. However, the electrochemical activity of GFs is comparatively low for the vanadium redox reactions. The negative side has been …
Graphite Felt Coated with Dopamine-Derived Nitrogen-Doped Carbon as a Positive Electrode for a Vanadium Redox Flow Battery …
To examine the homogeneous dopamine coating in the graphite felt, graphite felt with a diameter of 1 cm was punched from 4 different parts in the GF-D20 electrode and the CV was performed for these samples to …
Titanium Nitride Nanorods Array-Decorated Graphite Felt as Highly Efficient Negative Electrode for Iron-Chromium Redox Flow Battery.
Iron-chromium redox flow batteries have attracted widespread attention because of their low cost. However, the performance of these batteries is still lower than that of vanadium redox flow batteries due to the poor electrochemical activity of Cr3+ /Cr2+ redox couples on graphite felt electrodes. Herein, binder-free TiN nanorods array …
Multiple-dimensioned defect engineering for graphite felt …
The modified graphite felt owns multiple-dimensioned defects, including micropore, O-containing group, and N doping, as well as derived structure defect, …
Application of modified graphite felt as electrode material: a …
This paper introduces the surface functional group modification of graphite felt electrode (mainly nitrogen doping modification, nitrogen–sulfur or nitrogen–boron co …
BiVO 4 -Decorated Graphite Felt as Highly Efficient …
This paper details the successful fabrication of a low-cost platelike bismuth vanadate (BiVO 4) material through a simple one-step hydrothermal route, employed as an electrocatalyst to adorn graphite felt …