Dr Carlos Fernandez's Outputs (271)

Electrografting of amino-TEMPO on graphene oxide and electrochemically reduced graphene oxide for electrocatalytic applications. (2017)
Journal Article
YUAN, B., XU, C., ZHANG, D., ZHANG, R., SU, H., GUAN, P., NIE, J., FERNANDEZ, C. 2017. Electrografting of amino-TEMPO on graphene oxide and electrochemically reduced graphene oxide for electrocatalytic applications. Electrochemistry communications [online], 81, pages 18-23. Available from: https://doi.org/10.1016/j.elecom.2017.05.016

4-Amino-2,2,6,6-tetramethyl-1-piperridine N-oxyl (4-amino-TEMPO), an electroactive nitroxide radical, was attached to the surface of graphene oxide (GO) and electrochemically reduced graphene oxide (ERGO) modified glassy carbon electrode by a simple,... Read More about Electrografting of amino-TEMPO on graphene oxide and electrochemically reduced graphene oxide for electrocatalytic applications..

Hydrogenated core-shell MAX@K2Ti8O17 pseudocapacitance with ultrafast sodium storage and long-term cycling. (2017)
Journal Article
ZOU, G., GUO, J., LIU, X., ZHANG, Q., HUANG, G., FERNANDEZ, C. and PENG, Q. 2017. Hydrogenated core-shell MAX@K2Ti8O17 pseudocapacitance with ultrafast sodium storage and long-term cycling. Advanced energy materials [online], 7(18), article number 1700700. Available from: https://doi.org/10.1002/aenm.201700700

Sodium-ion batteries are considered alternatives to lithium-ion batteries for energy storage devices due to their competitive cost and source abundance. However, the development of electrode materials with long-term stability and high capacity remain... Read More about Hydrogenated core-shell MAX@K2Ti8O17 pseudocapacitance with ultrafast sodium storage and long-term cycling..

Non-linear differential equations and rotating disc electrodes: Padé approximation technique. (2017)
Journal Article
CHITRA DEVI, M., RAJENDRAN, L., BIN YOUSAF, A. and FERNANDEZ, C. 2017. Non-linear differential equations and rotating disc electrodes: Padé approximation technique. Electrochimica acta [online], 243, pages 1-6. Available from: https://doi.org/10.1016/j.electacta.2017.05.061

Rotating disc electrodes are preferred devices to analyze electrochemical reactions in electrochemical cells and various rotating machinery such as fans, turbines, and centrifugal pumps. This model contains system of fully coupled and highly non-line... Read More about Non-linear differential equations and rotating disc electrodes: Padé approximation technique..

Glassy carbon electrode modified with 7,7,8,8-tetracyanoquinodimethane and graphene oxide triggered a synergistic effect: low-potential amperometric detection of reduced glutathione. (2017)
Journal Article
YUAN, B., XU, C., ZHANG, R., LV, D., LI, S., ZHANG, D., LIU, L. and FERNANDEZ, C. 2017. Glassy carbon electrode modified with 7,7,8,8-tetracyanoquinodimethane and graphene oxide triggered a synergistic effect: low-potential amperometric detection of reduced glutathione. Biosensors and bioelectronics [online], 96, pages 1-7. Available from: https://doi.org/10.1016/j.bios.2017.04.026

A sensitive electrochemical sensor based on the synergistic effect of 7,7,8,8-tetracyanoquinodimethane (TCNQ) and graphene oxide (GO) for low-potential amperometric detection of reduced glutathione (GSH) in pH 7.2 phosphate buffer solution (PBS) has... Read More about Glassy carbon electrode modified with 7,7,8,8-tetracyanoquinodimethane and graphene oxide triggered a synergistic effect: low-potential amperometric detection of reduced glutathione..

An integrated online adaptive state of charge estimation approach of high-power lithium-ion battery packs. (2017)
Journal Article
WANG, S., FERNANDEZ, C., SHANG, L., LI, Z. and YUAN, H. 2018. An integrated online adaptive state of charge estimation approach of high-power lithium-ion battery packs. Transactions of the Institute of Measurement and Control [online], 40(6), pages 1892-1910. Available from: https://doi.org/10.1177/0142331217694681

A novel online adaptive state of charge (SOC) estimation method is proposed, aiming to characterize the capacity state of all the connected cells in lithium-ion battery (LIB) packs. This method is realized using the extended Kalman filter (EKF) combi... Read More about An integrated online adaptive state of charge estimation approach of high-power lithium-ion battery packs..

Tungsten-molybdenum oxide nanowires/reduced graphene oxide nanocomposite with enhanced and durable performance for electrocatalytic hydrogen evolution reaction. (2017)
Journal Article
IMRAN, M., YOUSAF, A.B., ZAIDI, S.J. and FERNANDEZ, C. 2017. Tungsten-molybdenum oxide nanowires/reduced graphene oxide nanocomposite with enhanced and durable performance for electrocatalytic hydrogen evolution reaction. International journal of hydrogen energy [online], 42(12), pages 8130-8138. Available from: https://doi.org/10.1016/j.ijhydene.2017.02.152

Hydrogen has attracted huge interest globally as a durable, environmentally safe and renewable fuel. Electrocatalytic hydrogen evolution reaction (HER) is one of the most promising methods for large scale hydrogen production, but the high cost of Pt-... Read More about Tungsten-molybdenum oxide nanowires/reduced graphene oxide nanocomposite with enhanced and durable performance for electrocatalytic hydrogen evolution reaction..

Synthesis of nanoflower-shaped MXene derivative with unexpected catalytic activity for dehydrogenation of sodium alanates. (2017)
Journal Article
ZOU, G., LIU, B., GUO, J., ZHANG, Q., FERNANDEZ, C. and PENG, Q. 2017. Synthesis of nanoflower-shaped MXene derivative with unexpected catalytic activity for dehydrogenation of sodium alanates. ACS applied materials and interfaces [online], 9(8), pages 7611-7618. Available from: https://doi.org/10.1021/acsami.6b13973

Surface group modification and functionalization of two-dimensional materials in many cases are deemed as effective approaches to achieve some distinctive properties. Herein, we present a new nanoflower-shaped TiO2/C composite which was synthesized b... Read More about Synthesis of nanoflower-shaped MXene derivative with unexpected catalytic activity for dehydrogenation of sodium alanates..

Facile synthesis of a nickel sulfide (NiS) hierarchical flower for the electrochemical oxidation of H2O2 and the methanol oxidation reaction (MOR). (2017)
Journal Article
ZHANG, J., XU, C., ZHANG, D., ZHAO, J., ZHENG, S., SU, H., WEI, F., YUAN, B. and FERNANDEZ, C. 2017. Facile synthesis of a nickel sulfide (NiS) hierarchical flower for the electrochemical oxidation of H2O2 and the methanol oxidation reaction (MOR). Journal of the electrochemical society [online], 164(4), pages B92-B96. Available from: https://doi.org/10.1149/2.0221704jes

The synthesis of a novel hierarchical flower-like NiS via a solvothermal method for the electrochemcial oxidation of H2O2 on a carbon paste electrode with high catalytic activity for the (MOR) in an alkaline medium has been reported. Novel nickel sul... Read More about Facile synthesis of a nickel sulfide (NiS) hierarchical flower for the electrochemical oxidation of H2O2 and the methanol oxidation reaction (MOR)..

Theoretical treatment of diffusion and kinetics of osmium redox polymer mediated glucose oxidase enzyme electrodes: analytical expression of current density for varying potential. (2017)
Journal Article
KIRTHIGA, M., RAJENDRAN, L. and FERNANDEZ, C. 2017. Theoretical treatment of diffusion and kinetics of osmium redox polymer mediated glucose oxidase enzyme electrodes: analytical expression of current density for varying potential. Electrochimica acta [online], 230, pages 89-97. Available from: https://doi.org/10.1016/j.electacta.2017.01.149

We present for the first time a mathematical model of osmium redox polymer mediated glucose oxidase enzyme electrodes. This model is based on a system of three coupled nonlinear reaction-diffusion equations under steady-state conditions for biochemic... Read More about Theoretical treatment of diffusion and kinetics of osmium redox polymer mediated glucose oxidase enzyme electrodes: analytical expression of current density for varying potential..

The analysis and fabrication of a novel tin-nickel mixed salt electrolytic coloured processing and the performance of coloured films for Al-12.7Si-0.7Mg alloy in acidic and alkali corrosive environments. (2017)
Journal Article
SHANG, Y., LIU, C., FERNANDEZ, C., RAJENDRAN, L., KIRTHIGA, M., WANG, Y., NIU, D., LIU, D. and WANG, L. 2017. The analysis and fabrication of a novel tin-nickel mixed salt electrolytic coloured processing and the performance of coloured films for Al-12.7Si-0.7Mg alloy in acidic and alkali corrosive environments. International journal of precision engineering and manufacturing [online], 18(1), pages 93-98. Available from: https://doi.org/10.1007/s12541-017-0011-x

We present for the first time the analysis and fabrication of a novel Tin-Nickel mixed salt electrolytic coloured processing and the performance of coloured films for Al-12.7Si-0.7Mg alloy. This alloy is a novel alloy containing high silicon aluminum... Read More about The analysis and fabrication of a novel tin-nickel mixed salt electrolytic coloured processing and the performance of coloured films for Al-12.7Si-0.7Mg alloy in acidic and alkali corrosive environments..

Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine. (2016)
Journal Article
WADDELL, S.A., FERNANDEZ, C., INVERARITY, C.C. and PRABHU, R. 2017. Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine. Sensing and bio-sensing research [online], 13, pages 28-39. Available from: https://doi.org/10.1016/j.sbsr.2016.12.001

Benzylpiperazine (BZP) is a novel psychoactive substance that is commonly abused in tablet form as an 'ecstasy-type' drug. Electroanalysis offers genuine potential for field testing of bulk drug samples. This research is the first to investigate the... Read More about Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine..

Online state of charge estimation for the aerial lithium-ion battery packs based on the improved extended Kalman filter method. (2016)
Journal Article
WANG, S., FERNANDEZ, C., SHANG, L., LI, Z. and LI, J. 2017. Online state of charge estimation for the aerial lithium-ion battery packs based on the improved extended Kalman filter method. Journal of energy storage [online], 9, pages 69-83. Available from: https://doi.org/10.1016/j.est.2016.09.008

An effective method to estimate the integrated state of charge (SOC) value for the lithium-ion battery (LIB) pack is proposed, because of its capacity state estimation needs in the high-power energy supply applications, which is calculated by using t... Read More about Online state of charge estimation for the aerial lithium-ion battery packs based on the improved extended Kalman filter method..

Electrochemical determination of chemical oxygen demand using Ti/TiO2 electrode. (2016)
Journal Article
GE, Y., ZHAI, Y., NIU, D., WANG, Y., FERNANDEZ, C., RAMAKRISHNAPPA, T., HU, X. and WANG, L. 2016. Electrochemical determination of chemical oxygen demand using Ti/TiO2 electrode. International journal of electrochemical science [online], 11(12), pages 9812-9821. Available from: https://doi.org/10.20964/2016.12.05

To overcome the shortcomings of the conventional potassium dichromate method (PDM) for monitoring chemical oxygen demand (COD) of waters, many efforts have been made on developing quick and environment-friendly techniques. Among all alternatives, ele... Read More about Electrochemical determination of chemical oxygen demand using Ti/TiO2 electrode..

A new mathematical modelling using Homotopyperturbation method to solve nonlinear equations in enzymatic glucose fuel cells. (2016)
Journal Article
SARANYA, J., RAJENDRAN, L., WANG, L. and FERNANDEZ, C. 2016. A new mathematical modelling using Homotopyperturbation method to solve nonlinear equations in enzymatic glucose fuel cells. Chemical physics letters [online], 662, pages 317-326. Available from: https://doi.org/10.1016/j.cplett.2016.09.056

For the first time a mathematical modelling of the enzymatic glucose membraneless fuel cell with direct electron transfer has been reported. The niche of this mathematical modelling is the description of the new Homotopy perturbation method to solve... Read More about A new mathematical modelling using Homotopyperturbation method to solve nonlinear equations in enzymatic glucose fuel cells..

Adsorption removal of methylene blue from aqueous solution on carbon-coated Fe3O4 microspheres functionalized with chloroacetic acid. (2016)
Journal Article
ZHANG, Z., KIM, C., FERNANDEZ, C., SUNDARAM, M.M., RAMAKRISHNAPPA, T., WANG, Y., WANG, L., SUN, T. and HU, X. 2018. Adsorption removal of methylene blue from aqueous solution on carbon-coated Fe3O4 microspheres functionalized with chloroacetic acid. Science and engineering of composite materials [online], 25(2), pages 353-361. Available from: https://doi.org/10.1515/secm-2016-0138

We report the preparation and employability of carbon-coated Fe3O4 (Fe3O4/C) microspheres functionalized with chloroacetic acid (CAA) for the removal of methylene blue (MB) in aqueous solution. The prepared magnetic microspheres (Fe3O4/C-CAA) were ch... Read More about Adsorption removal of methylene blue from aqueous solution on carbon-coated Fe3O4 microspheres functionalized with chloroacetic acid..

Synergistic electronic pull of graphene oxide supported Pd nanoparticles on enhancing catalytic activity of electro deposited Pt nanoparticles for methanol oxidation reaction. (2016)
Journal Article
YOUSAF, A.B., KHAN, R., IMRAN, M., FERNANDEZ, C., YUAN, C-Z. and SONG, L. 2016. Synergistic electronic pull of graphene oxide supported Pd nanoparticles on enhancing catalytic activity of electro deposited Pt nanoparticles for methanol oxidation reaction. International journal of electrochemical science [online], 11(8), pages 6735-6746. Available from: https://doi.org/10.20964/2016.08.12

Graphene oxide supported clean Pd nanoparticles were synthesized by using CO as a reducing agent. Pt film was deposited on Pd NPs through electrochemical potential cycling method. The as-developed catalyst, which exhibits higher catalytic performance... Read More about Synergistic electronic pull of graphene oxide supported Pd nanoparticles on enhancing catalytic activity of electro deposited Pt nanoparticles for methanol oxidation reaction..

Effect of deflocculation on the efficiency of sludge reduction by Fenton process. (2016)
Journal Article
AMUDHA, V., KAVITHA, S., FERNANDEZ, C., ADISHKUMAR, S. and RAJESH BANU, J. 2016. Effect of deflocculation on the efficiency of sludge reduction by Fenton process. Environmental science and pollution research [online], 23(19), pages 19281-19291. Available from: https://doi.org/10.1007/s11356-016-7118-y

A novel approach to improve the efficiency of Fenton treatment for sludge reduction through the implication of a deflocculating agent citric acid, for the exclusion of extracellular polymeric substances (EPS) from waste-activated sludge (WAS), was in... Read More about Effect of deflocculation on the efficiency of sludge reduction by Fenton process..

Synthesis and characterization of high-quality PbI2 nanopowders from depleted SLA accumulator anode and cathode. (2016)
Journal Article
MALEVU, T.D., OCAYA, R.O., TSHABALALA, K.G. and FERNANDEZ, C. 2016. Synthesis and characterization of high-quality PbI2 nanopowders from depleted SLA accumulator anode and cathode. Applied physics A: materials science and processing [online], 122(7), article 630. Available from: https://doi.org/10.1007/s00339-016-0158-9

High-quality lead iodide (PbI2) nanoparticles were synthesized from both anode and cathode of a discarded sealed lead-acid accumulator as starting materials. The structure, morphology, chemical composition and optical properties of washed PbI2 were i... Read More about Synthesis and characterization of high-quality PbI2 nanopowders from depleted SLA accumulator anode and cathode..

Nutritional and methodological perspectives of zinc ions and complexes: physiological and pathological states. (2016)
Journal Article
MOLINA-LOPEZ, J., PLANELLS DEL POZO, E., FLOREA, D.L., FERNANDEZ, C., OSSO, B.Q., ZALEWSKA, M., KRIZKOVA, S., HEGER, Z., KIZEK, R. and ADAM, V. 2016. Nutritional and methodological perspectives of zinc ions and complexes: physiological and pathological states. International journal of electrochemical science [online], 11(6), pages 4470-4496. Available from: https://doi.org/10.20964/2016.06.38

Zinc, an essential element playing crucial roles in numerous physiological, but also pathological processes, is still one of the most studied elements. The main importance of this metal is especially based on the structural role of zinc ions in many... Read More about Nutritional and methodological perspectives of zinc ions and complexes: physiological and pathological states..

Disposable screen printed sensor for the electrochemical detection of methamphetamine in undiluted saliva. (2016)
Journal Article
BARTLETT, C.-A., TAYLOR, S., FERNANDEZ, C., WANKLYN, C., BURTON, D., ENSTON, E., RANICZKOWSKA, A., BLACK, M. and MURPHY, L. 2016. Disposable screen printed sensor for the electrochemical detection of methamphetamine in undiluted saliva. Chemistry central journal [online], 10, article number 3. Available from: https://doi.org/10.1186/s13065-016-0147-2

Background: Methamphetamine has an adverse effect on the ability to drive safely. Police need to quickly screen potentially impaired drivers therefore a rapid disposable test for methamphetamine is highly desirable. This is the first proof-of-concept... Read More about Disposable screen printed sensor for the electrochemical detection of methamphetamine in undiluted saliva..