Journal of Electrochemical Science and Engineering最新文献_第4页

Cathode reaction models for Braga-Goodenough Na-ferrocene and Li-MnO2 rechargeable batteries Braga-Goodenough钠二茂铁和Li-MnO2可充电电池的阴极反应模型

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-05-24 DOI: 10.5599/jese.1704

M. Sakai

{"title":"Cathode reaction models for Braga-Goodenough Na-ferrocene and Li-MnO2 rechargeable batteries","authors":"M. Sakai","doi":"10.5599/jese.1704","DOIUrl":"https://doi.org/10.5599/jese.1704","url":null,"abstract":"Braga-Goodenough all-solid-state Na-Fc and Li-MnO2 batteries demonstrate deposition of Na and Li on the cathode during discharge. These reaction mechanisms were investigated in light of the generalized charge neutrality level and the experimental results of Braga et al., and two new types of mechanisms were proposed. The Na-Fc mechanism is represented by a multi-step C[(CE)cC]n mechanism where C is the chemical step, E is the electrochemical step, c is the catalytic (CE) step, and n denotes the number of [(CE)cC] part cycles. The nth cycle corresponds to n moles of Na and Li deposition. For Li-MnO2, two mechanisms were considered. One is the C[(CE)cC]n mechanism which is the same as Na-Fc, and the other is the C[2(CE)cC]n mechanism, which involves two consecutive (CE)c steps. In the C step of (CE)c of both mechanisms, Fc and MnO2 reduce Na+(sf) and Li+(sf) (sf - surface states) to deposit Na and Li, respectively, which are intramolecular charge transfer reactions within the adsorbed molecules. Fc and MnO2 are oxidized to intermediates immediately reduced to Fc and MnO2 by their anodes in the subsequent E step. Based on these mechanisms, these batteries' discharge capacity and cathode alkali metal deposition were examined in detail.","PeriodicalId":15660,"journal":{"name":"Journal of Electrochemical Science and Engineering","volume":"24 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76260715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact of carbon coating processing using sucrose for thick binder-free titanium niobium oxide lithium-ion battery anode 蔗糖对厚型无粘结剂氧化钛锂离子电池阳极碳涂层处理的影响

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-05-21 DOI: 10.5599/jese.1655

Chen Cai, Patrick McCormack, Ziyang Nie, Gary M. Koenig

{"title":"Impact of carbon coating processing using sucrose for thick binder-free titanium niobium oxide lithium-ion battery anode","authors":"Chen Cai, Patrick McCormack, Ziyang Nie, Gary M. Koenig","doi":"10.5599/jese.1655","DOIUrl":"https://doi.org/10.5599/jese.1655","url":null,"abstract":"Lithium-ion batteries are increasingly important for providing energy storage solutions. In the drive to improve the energy density at the cell level, optimizing the electrode architecture is crucial in addition to researching new materials. Binder-free (BF) electrodes include porous pellets only containing battery electroactive materials. These electrodes can provide advantages with regard to mechanical stability and alleviated ion transport limitations relative to composite approaches for very thick and energy-dense electrodes. However, the absence of conductive additives often limits suitable material candidates for BF battery electrodes. TiNb2O7 (TNO) is a promising BF electrode material from a gravimetric and volumetric capacity standpoint, but phase pure TNO has relatively low electronic conductivity. Herein, a sucrose precursor coating method for TNO materials was implemented to process the TNO materials into BF electrodes. The sucrose served as a source to generate carbon in the electrodes, where the carbon coating resulted in an increase in rate capability, discharge voltage, and cycle life.","PeriodicalId":15660,"journal":{"name":"Journal of Electrochemical Science and Engineering","volume":"1 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78794126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

The performance of heteroatom-doped carbon nanotubes synthesized via a hydrothermal method on the oxygen reduction reaction and specific capacitance 研究了水热法制备的杂原子掺杂碳纳米管的氧还原反应性能和比电容性能

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-05-15 DOI: 10.5599/jese.1697

T. H. Elagib, N. A. Kabbashi, M. Alam, M. Al-Khatib, M. Mirghani, E. Hassan

{"title":"The performance of heteroatom-doped carbon nanotubes synthesized via a hydrothermal method on the oxygen reduction reaction and specific capacitance","authors":"T. H. Elagib, N. A. Kabbashi, M. Alam, M. Al-Khatib, M. Mirghani, E. Hassan","doi":"10.5599/jese.1697","DOIUrl":"https://doi.org/10.5599/jese.1697","url":null,"abstract":"Due to the increasing demand for electrochemical energy storage, various novel electrode and catalysis materials for supercapacitors and rechargeable batteries have developed over the last decade. The structure and characteristics of these catalyst materials have a major effect on the device's performance. In order to lower the costs associated with electrochemical systems, electrochemical systems, metal-free catalysis materials can be employed. In this study, metal-free catalysts composed of nitrogen (N) and sulfur (S) dual-doped multi-walled carbon nanotubes were synthesized using a straightforward and cost-effective single-step hydrothermal method. Carbon nanotubes served as the carbon source, while l-cysteine amino acid and thiourea acted as doping elements. As a result of the physicochemical characterization, many defects and a porous structure were noted, along with the successful insertion of nitrogen and sulfur into the carbon nanotube was confirmed. According to the cyclic voltammetry tests for the dual-doped samples in alkaline conditions, the D-CNT2 catalyst exhibited onset potentials of -0.30 V higher than the -0.37 V observed for the D-CNT3 catalyst. This indicates enhanced oxygen–reduction reaction due to the synergistic effects of the heteroatoms in the structure and the presence of chemically active sites. Moreover, the outstanding specific capacitance of the D-CNT2 catalyst (214.12 F g-1 at scanning rates of 1 mV s-1) reflects the effective porosity of the proposed catalyst. These findings highlight the potential of N/S dual–doped carbon nanotubes for electrocatalytic applications, contributing to efficient energy conversion.","PeriodicalId":15660,"journal":{"name":"Journal of Electrochemical Science and Engineering","volume":"61 5 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73543808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Self-assembling nanomaterial-based peptide surface for target cell adhesion 基于自组装纳米材料的肽表面粘附靶细胞

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-04-18 DOI: 10.5599/jese.1664

Hasret Turkmen

{"title":"Self-assembling nanomaterial-based peptide surface for target cell adhesion","authors":"Hasret Turkmen","doi":"10.5599/jese.1664","DOIUrl":"https://doi.org/10.5599/jese.1664","url":null,"abstract":"Non-covalent modification of electrode surfaces with nanoparticle-based peptides does not change the chemical properties of the electrode but allows electrochemical measurement of cell adhesion. This study examines the effect of self-modified nanomaterial/peptide surfaces on cell adhesion. This adhesion to the surface is caused by the negative Gibs free energy formed in the system because of the presence of -0H, sulfur, carbonyl, or reactive groups. A cheaper and more practical method for electrode surfaces targeting cell adhesion, which does not use heavy chemicals and EDC/NHS chemistry, is used in this work. Thanks to the bioactive materials immobilized on the screen-printed carbon electrode (SPCE) surface in a controlled manner and the surface chemistry offered by these materials, a biocompatible self-assembling nanomaterial-based peptide surface platform is created, and cell adhesion is measured by an electrochemical technique. After the characterization steps, electrochemical techniques created a calibration curve of the current value as a function of concentration for each cell line. The adhesion of the generated bioactive electrode surfaces to the selected cell lines was examined comparatively.","PeriodicalId":15660,"journal":{"name":"Journal of Electrochemical Science and Engineering","volume":"41 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90322238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Anodic HfO2 crossbar arrays for hydroxide-based memristive sensing in liquids 用于液体中氢氧根记忆电阻传感的阳极氢氧根横栅阵列

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-04-10 DOI: 10.5599/jese.1644

Ivana Zrinski, Dominik Knapic, A. W. Hassel, A. I. Mardare

{"title":"Anodic HfO2 crossbar arrays for hydroxide-based memristive sensing in liquids","authors":"Ivana Zrinski, Dominik Knapic, A. W. Hassel, A. I. Mardare","doi":"10.5599/jese.1644","DOIUrl":"https://doi.org/10.5599/jese.1644","url":null,"abstract":"The development of miniaturized and portable sensing devices is crucial to meeting the high processing capacity demands of contemporary computing systems. Hence, the conceptualization of memristive sensors for hydroxide-containing liquids is proposed in this study. Metal-insulator-metal (MIM) structures were formed on electrochemically anodized Hf thin films with Pt patterned as top electrodes. These MIM memristive structures were integrated into a crossbar array, allowing the investigation of a high number of potential memristor sensors. The MIM structures have demonstrated sensing possibilities in the detection of the hydroxyl ion in D-glucose, used as a standard solution. The sensing method was based on the resistive state ratio extracted from I-U sweeps measurements. Analytical characterization of the memristor sensor was done based on the resistive state ratio in relation to different concentrations of a standard solution drop cast directly on the surface of the device. Linearity was found for D-glucose concentrations ranging from 10 mM to 80 mM with a reasonable corresponding correlation factor (R2=0.96809). Additionally, D-glucose incorporation in anodic oxide was studied by XPS to investigate its effect on conductive filaments formation. A carbon bonded by a single covalent bond to oxygen (O-C-O) was detected, confirming the proposed sensing mechanism defined by the glucose penetrating the oxide/electrode interface.","PeriodicalId":15660,"journal":{"name":"Journal of Electrochemical Science and Engineering","volume":"4 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87445108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrode configurations study for alkaline direct ethanol fuel cells 碱性直接乙醇燃料电池的电极结构研究

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-03-28 DOI: 10.5599/jese.1623

Michaela Roschger, Sigrid Wolf, Andreas Billiani, S. Gorgieva, Boštjan Genorio, V. Hacker

引用次数: 0

Vanadium oxide - poly(3,4-ethylenedioxythiophene) cathodes for zinc-ion batteries: effect of synthesis temperature 锌离子电池用氧化钒-聚(3,4-乙烯二氧噻吩)阴极:合成温度的影响

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-03-27 DOI: 10.5599/jese.1595

F.S. Volkov, S. Eliseeva, M. A. Kamenskii, A. Volkov, E. G. Tolstopjatova, V. Kondratiev

{"title":"Vanadium oxide - poly(3,4-ethylenedioxythiophene) cathodes for zinc-ion batteries: effect of synthesis temperature","authors":"F.S. Volkov, S. Eliseeva, M. A. Kamenskii, A. Volkov, E. G. Tolstopjatova, V. Kondratiev","doi":"10.5599/jese.1595","DOIUrl":"https://doi.org/10.5599/jese.1595","url":null,"abstract":"Vanadium oxide composites with conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) were obtained by one-step microwave-assisted hydrothermal synthesis at two different temperatures: 120 and 170 °C (denoted as V-120 and V-170, respectively). The structure and composition of the obtained samples were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) analysis, X-ray photoelectron spectroscopy (XPS), and thermogravimetric (TG) analysis. The detailed study of the electrochemical properties of the composites as cathodes of aqueous zinc-ion battery was performed by cyclic voltammetry (CV), galvanostatic charge-discharge (GCD) at different current densities and by electrochemical impedance spectroscopy (EIS). It was shown that V-120 demonstrated excellent electrochemical performance in the 0.3 to 1.4 V vs. Zn/Zn2+ potential range reaching specific capacities of up to 390 mA∙h∙g−1 at 0.3 A∙g−1 with excellent capacity stability after 1000 charge-discharge cycles. Its functional parameters were found to be much better than those of the electrodes based on the V-170 composite obtained at a higher temperature. The effect of the synthesis temperature on the electrochemical properties is discussed in terms of the crystallographic, compositional, and thermogravimetric properties of the samples.","PeriodicalId":15660,"journal":{"name":"Journal of Electrochemical Science and Engineering","volume":"253 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89467112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of KOH concentration on corrosion behavior and surface morphology of stainless steel 316L for HHO generator application KOH浓度对HHO发生器用316L不锈钢腐蚀行为和表面形貌的影响

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-03-19 DOI: 10.5599/jese.1615

B. Basori, W. Mohamad, M. R. Mansor, N. Tamaldin, Agung Iswandi, M. K. Ajiriyanto, F. B. Susetyo

{"title":"Effect of KOH concentration on corrosion behavior and surface morphology of stainless steel 316L for HHO generator application","authors":"B. Basori, W. Mohamad, M. R. Mansor, N. Tamaldin, Agung Iswandi, M. K. Ajiriyanto, F. B. Susetyo","doi":"10.5599/jese.1615","DOIUrl":"https://doi.org/10.5599/jese.1615","url":null,"abstract":"Hydrogen production could be enhanced by increasing the potassium hydroxide (KOH) concentration, but higher KOH concentrations result in higher corrosion rates. Therefore, a deep investigation of the electrochemical behavior of stainless steel (SS 316L) in the KOH solution is needed. This study investigates the influence of KOH concentrations on the electrochemical behavior, surface morphology, structure, and sample phases of SS 316L. The investigations were conducted by some electrochemical techniques, UV-vis, scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS), and X-ray diffraction (XRD). The corrosion rate was found to increase, and solution resistance to decrease with increasing KOH concentration. Samples tested in 5, 30, and 50 g l-1 of KOH showed corrosion rates of 0.457, 2.362, and 5.613 µm year-1, respectively. A wide passive region and the noblest pitting potential were noticed for the sample with 5 g l-1 of KOH. Moreover, Mott-Schottky plots and characteristic wavelengths of UV-Vis suggest the formation of iron and chromium oxides by the passivation of samples. The SEM analysis showed a dynamic change of surface morphology from the lowest to the highest concentration with the intergranular corrosion found at the grain boundaries area. In conclusion, concentrations < 50 g l-1 KOH could be recommended since they would support the optimum remaining life of SS 316 L plates in HHO generators.","PeriodicalId":15660,"journal":{"name":"Journal of Electrochemical Science and Engineering","volume":"9 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81693837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modeling the velocity profiles in Vanadium Redox flow batteries-Serpentine flow field 钒氧化还原液流电池速度分布的建模——蛇形流场

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-03-17 DOI: 10.5599/jese.1610

Sarede Yadav, B. Krishnamurthy

引用次数: 1

Optimization of the inhibition corrosion of carbon steel in an acidic medium by a novel eco-friendly inhibitor Asphodelus ramosus using response surface methodology 用响应面法优化新型环保型缓蚀剂石笋对碳钢在酸性介质中的缓蚀作用

IF 2.2

Journal of Electrochemical Science and Engineering Pub Date : 2023-03-14 DOI: 10.5599/jese.1628

Narimane Saigaa, Sabrina Bouguessa, Wafia Boukhedena, Mohammed Nacer, Ayoub Nadji, Abdelkarim Gouasmia

{"title":"Optimization of the inhibition corrosion of carbon steel in an acidic medium by a novel eco-friendly inhibitor Asphodelus ramosus using response surface methodology","authors":"Narimane Saigaa, Sabrina Bouguessa, Wafia Boukhedena, Mohammed Nacer, Ayoub Nadji, Abdelkarim Gouasmia","doi":"10.5599/jese.1628","DOIUrl":"https://doi.org/10.5599/jese.1628","url":null,"abstract":"Ethyl acetate extract of Asphodelus ramosus (ARAE) was examined as an anti-corrosion agent for carbon steel (CS) in 1 M HCl acid medium using different techniques, namely weight loss method, potentiodynamic polarization, and electrochemical impedance spectroscopy (EIS) at various temperatures and inhibitor concentrations. An inhibition efficiency of 89.81 % was obtained by the weight loss method at the inhibitor concentration of 700 ppm at 293 K. Increasing the temperature decreases the corrosion inhibition rate. Potentiodynamic polarization results showed that the extract is adsorbed on CS surface according to the Freundlich isotherm, while negative values of the standard free energy of adsorption (DG0ads) suggested the physical spontaneity of the adsorption reaction. Scanning electron microscopy (SEM) and energy dispersive spectrometry (EDS) analyses were performed to examine the surface morphology of inhibited and uninhibited CS samples. Central composite design (CCD) based optimization was engaged to analyze factors and maximize inhibition efficiency by applying response surface methodology (RSM) using Design-Expert software.","PeriodicalId":15660,"journal":{"name":"Journal of Electrochemical Science and Engineering","volume":"14 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79018609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1