a highly efficient cathode based on modified graphite felt

A highly efficient cathode based on modified graphite felt

2019/11/1Therefore, a highly efficient cathode with the production of H 2 O 2 is important in the EF process. Recently, graphite felt (GF) has been widely used as cathode because of its merits such as no toxicity, high conductivity, high specifics surface area, commercial availability, good stability and efficient production of Fe 2+, which make it as a promising cathode material for the EF process

Highly selective two

The selective two-electron oxygen reduction reaction (ORR) on the cathode in electrocatalytic advanced oxidation is a promising environmental recovery method. Highly efficient 2e − pathway ORR electrocatalytic materials for in situ electrochemical synthesis of H 2 O 2 are extremely important, but developing low-cost, green-cleaning electrocatalysts remains a huge challenge.

Frontiers

The Raman technique was carried out to further identify composition of the as-prepared cathode. The G band (1,575 cm −1) in the Raman spectrum is identified for the graphite (Tuinstra and Koenig, 1970).D band (1,348 cm −1) of graphite is not observed, which indicates that the GF is highly

Selective and quantitative nitrate electroreduction to ammonium

on the graphite fibres of the graphite felt (diameter: 5.6 cm and thickness 0.3 cm) according to a previously described method [49]. Secondly, the electrodeposition of copper was performed on the nickel modified graphite felt according to the conditions described

Carbon‐based flexible self‐supporting cathode for

To construct a binder‐free, highly conductive, and flexible LSBs cathode, Guo et al. 17 took the lead in using the template method to fabricate flexible CNT‐based electrodes. By carbonizing the polyacrylonitrile (PAN) membrane stuck to the surface and internal of the AAO, etching the AAO, liquid impregnation of sulfur, the sulfur‐impregnated disordered carbon nanotubes were obtained.

A Freestanding and Flexible Graphene Paper Cathode

Please use one of the following formats to cite this article in your essay, paper or report: APA Critchley, Liam. (2017, August 31). A Freestanding and Flexible Graphene Paper Cathode for the Conversion of Carbon Dioxide. AZoNano. Retrieved on April 13, 2021 from

A graphene

2015/6/3GO was prepared with a modified Hummer method. Typically, 30 g H 2 SO 4 and 4 g graphite were added to a beaker in an ice bath, and stirred for 2 h. After that, 3 g KMnO 4 was gradually added into the suspension, and oxidized the graphite at room temperature overnight.

Sustainable and efficient biohydrogen production via electrohydrogenesis

Sustainable and efficient biohydrogen production via electrohydrogenesis Shaoan Cheng and Bruce E. Logan* Department of Civil and Environmental Engineering, Pennsylvania State University, University Park, PA 16802 Edited by James M. Tiedje, Michigan State

A perspective on electrical energy storage

The initial Li-ion battery used the layered insertion compound Li 1− x CoO 2 as the cathode [Reference Mizushima, Jones, Wiseman and Goodenough 3] and graphite, Li x C 6, as the anode [Reference Basu 4, Reference Yazami and Touzain 5] with an organic liquid-carbonate electrolyte; it was assembled in the discharged state to avoid the presence of a metallic Li 0 anode.

Fe II Fe III layered double hydroxide modified carbon felt

Highly efficient and stable Fe II Fe III LDH carbon felt cathode for removal of pharmaceutical ofloxacin at neutral pH. Yang W, Zhou M, Oturan N, Bechelany M, Cretin M, Oturan MA J Hazard Mater, 393:122513, 10 Mar 2020 Cited by: 0

Fe II Fe III layered double hydroxide modified carbon felt

Highly efficient and stable Fe II Fe III LDH carbon felt cathode for removal of pharmaceutical ofloxacin at neutral pH. Yang W, Zhou M, Oturan N, Bechelany M, Cretin M, Oturan MA J Hazard Mater, 393:122513, 10 Mar 2020 Cited by: 0

Aryl Diazonium Modification for Improved Graphite Fibre Brush in

3018 et al. 2012), carbon paper (Sun et al. 2011), graphite felt (Song Jiang 2011), graphite granules (Zhang et al. 2011), and graphite fibre brush (GFB) (Lanas Logan 2013).The interest in using carbon-based material is due to the π bonding between the C atoms.

Organic Cathode Materials for Lithium‐Ion Batteries: Past,

For instance, Wang et al. reported a highly stable, crystalline 2D polyarylimide (2D‐PAI) COF integrated with CNT as a cathode material in LIBs, exhibiting high rate capability with only 8.65% capacity drop from 0.2 to 2 A g −1 and ultrastable cycle stability of 100

Efficient electrocatalysis of cathodic oxygen reduction with

Abstract To develop efficient and cost-effective cathodic electrocatalyst for microbial fuel cell (MFC), this study investigates the feasibility of Pt–Fe alloy immobilized on carbon material for electrochemical oxygen reduction reaction (ORR). By performing cyclic voltammogram tests, the carbon supported Pt–Fe alloy (C/Pt–Fe) exhibited an improved catalytic activity toward ORR compared

High performance cathode active material for lithium ion

Said cathode active material is a nano-composite based cathode active material for enhancing rate capability and capacity of the lithium-ion battery. In an embodiment of the present invention, the cathode active material comprises a lithium iron phosphate/sulfonated graphene

Carbon‐based flexible self‐supporting cathode for

To construct a binder‐free, highly conductive, and flexible LSBs cathode, Guo et al. 17 took the lead in using the template method to fabricate flexible CNT‐based electrodes. By carbonizing the polyacrylonitrile (PAN) membrane stuck to the surface and internal of the AAO, etching the AAO, liquid impregnation of sulfur, the sulfur‐impregnated disordered carbon nanotubes were obtained.

Bismuth Nanoparticle Decorating Graphite Felt as a

Low-cost graphite felt (GF) as traditional electrode material has to be modified to address its issue of low electrocatalytic activity. In our paper, low-cost and highly conductive bismuth nanoparticles, as a powerful alternative electrocatalyst to noble metal, are proposed and synchronously electro-deposited onto the surface of GF while running flow cells employing the electrolytes containing

Batteries

Graphite and other solid (bulk) materials for fundamental studies as well as carbon and graphite felt, cloth etc. for applied studies have been modified by deposition of graphene, graphene oxide etc. The use of nanostructured materials in positive electrodes of batteries has been reviewed elsewhere [ 237 ].

Chemically modified graphite felt as an efficient cathode in

2014/9/10Chemically modified graphite felt was prepared using ethanol and hydrazine hydrate as reagents. A nitrogen functionalized carbon nanotube cathode for highly efficient electrocatalytic generation of H 2 O 2 in electro-Fenton system Sep. Purif. Technol., 64,

Polymers

For pretreatment, a sample (0.5 cm 0.5 cm) was sliced from the graphite felt surface, followed by flushing with sterilized PBS to remove loosely attached planktonic cells. These samples were then stained with the LIVE/DEAD BacLight™ Bacterial Viability Kit (for microscopy and quantitative assays) based on the manufacturer's instructions.

[PDF] A comparative study on the electrochemical

The results indicate that highest hydrogen peroxide concentration is achieved when using graphite as cathode at pH = 3, j = 0.25 mA cm -2 This work presents a comparison of the electrochemical production of hydrogen peroxide via the cathodic reduction of oxygen using two cathode materials of boron-doped diamond (BDD) and graphite.

H 2 O 2 production on a carbon cathode loaded with a

Cost-effective electro-Fenton using modified graphite felt that dramatically enhanced on H 2 O 2 electro-generation without external aeration journal, May 2015 Yu, Fangke; Zhou, Minghua; Yu, Xinmin Electrochimica Acta, Vol. 163 DOI: 10.1016/j.electacta.2015

Outlook on K

Potassium-ion batteries (KIBs) are emerging as a promising complementary technology to lithium-ion batteries (LIBs) due to the relative abundance of potassium. KIBs can also use graphite anodes, a critical advantage over sodium-ion batteries (NIBs). In this perspective, we provide an overview of the most promising KIB cathodes, anodes, and electrolytes; present a concise techno-economic model

A Freestanding and Flexible Graphene Paper Cathode

Please use one of the following formats to cite this article in your essay, paper or report: APA Critchley, Liam. (2017, August 31). A Freestanding and Flexible Graphene Paper Cathode for the Conversion of Carbon Dioxide. AZoNano. Retrieved on April 13, 2021 from

H 2 O 2 production on a carbon cathode loaded with a

Cost-effective electro-Fenton using modified graphite felt that dramatically enhanced on H 2 O 2 electro-generation without external aeration journal, May 2015 Yu, Fangke; Zhou, Minghua; Yu, Xinmin Electrochimica Acta, Vol. 163 DOI: 10.1016/j.electacta.2015

A perspective on sustainable energy materials for lithium

O 2 ‐type Li‐rich cathode of a single‐layer Li 2 MnO 3 is a completely Co‐free system and it can release an ultrahigh capacity of 400 mAh/g, which is induced by the anionic oxygen redox processes (Figure 3C). 47 Spinel LiNi 0.5 Mn 1.5 O 4 cathode is another 2

Magnetite nanoparticle anchored graphene cathode

2020/10/22This nanocomposite was electrochemically deposited on carbon felt (CF/rGO-MNPs), and the modified material was used as a cathode for MES production. The bioplastic, polyhydroxybutyrate (PHB) produced by Rhodopseudomonas palustris TIE-1 (TIE-1), was measured from reactors with modified and unmodified cathodes.

Performance of graphite felt as a cathode and anode in the

Tammeveski et al. thought that because an activated carbon fibre surface contains a large number of functional groups, O 2 will be reduced to O 2 − at the cathode. 37 Based on this, we speculate that aeration may play three roles in the graphite felt E-Fenton 2

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