Russian Journal of Electrochemistry最新文献_第3页

Effect of Titanium Dopant on the Aluminum Corrosion in the NaCl and NaOH Aqueous Solutions 掺杂钛对铝在NaCl和NaOH水溶液中腐蚀的影响

IF 0.9 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-07-08 DOI: 10.1134/S1023193526600252

N. A. Popov, V. M. Skachkov, E. V. Nikitina, E. V. Spesivtsev

引用次数: 0

Use of Cu(I)–Betanin Mediated Aprotic Electrolyte for Enhanced Performance of Li–CO2 Battery Cu(I) -甜菜素介导的非质子电解质用于提高锂- co2电池性能

IF 0.9 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-07-08 DOI: 10.1134/S1023193525601391

D. Abd El-Hady

{"title":"Use of Cu(I)–Betanin Mediated Aprotic Electrolyte for Enhanced Performance of Li–CO2 Battery","authors":"D. Abd El-Hady","doi":"10.1134/S1023193525601391","DOIUrl":"10.1134/S1023193525601391","url":null,"abstract":"Lithium–carbon dioxide (Li–CO2) batteries hold significant promise as next-generation energy storage devices with the potential for high theoretical energy density and carbon utilization. However, their practical application is hindered by large overpotential, sluggish redox kinetic and the electrolyte decomposition. To address these challenges, the design of a Cu(I)–betanin redox mediator modified aprotic electrolyte was firstly investigated to reduce charging overpotential and improve cycling stability in Li–CO2 battery. Betanin, a natural pigment from beets, was chemically coordinated with Cu(I) ions to form a redox-stable Cu(I)–betanin complex. In Li–CO2 coin cell, the Cu(I)–betanin mediator increased output voltage of 3.05 V, enlarged a specific capacity of 5800 mA h g–1 based on Super P carbon mass and led to a 40% increase in cycle life compared to Li–CO2 cell without the redox mediator. Moreover, post-cycling analyses confirmed minimal electrode passivation demonstrating that the Cu(I)–betanin redox mediator effectively mitigated detrimental side reactions and extended electrode longevity. The use of this cost-effective, environmentally benign additive underscored a viable strategy for optimizing electrolyte formulations and paved the way for practical implementation of high-performance Li–CO2 batteries.","PeriodicalId":760,"journal":{"name":"Russian Journal of Electrochemistry","volume":"62 4","pages":"193 - 204"},"PeriodicalIF":0.9,"publicationDate":"2026-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148394747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Design and Performance Study of MOF-Derived Porous NiS Nanosheets as Cathode Host for Lithium–Sulfur Batteries mof衍生多孔NiS纳米片作为锂硫电池阴极主体的设计与性能研究

IF 0.9 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-07-08 DOI: 10.1134/S1023193525600877

Jun Wang, Peiyu Peng, Yong Hou, Zicheng Jiang, Rongyue Huang, Yi Zhao, Jiayi Wu, Xiaoting Lai, Yanyu Zhu, Guihan Li, Yawei Huang, Xuexue Pan

{"title":"Design and Performance Study of MOF-Derived Porous NiS Nanosheets as Cathode Host for Lithium–Sulfur Batteries","authors":"Jun Wang, Peiyu Peng, Yong Hou, Zicheng Jiang, Rongyue Huang, Yi Zhao, Jiayi Wu, Xiaoting Lai, Yanyu Zhu, Guihan Li, Yawei Huang, Xuexue Pan","doi":"10.1134/S1023193525600877","DOIUrl":"10.1134/S1023193525600877","url":null,"abstract":"This study successfully developed a porous NiS nanosheet sulfur carrier based on MOF derivatives through a multi-level structural design strategy, thereby significantly improving the electrochemical performance of lithium–sulfur batteries. Single-crystal β-Ni(OH)2 nanosheets synthesized by the urea hydrothermal method were used as templates to construct Ni(OH)2@MOF-74 heterostructures through in situ coordination reactions. Then, a NiS nanosheet carrier with graded pores was prepared through a precisely controlled carbonization sulfurization process. This carrier exhibits triple functional advantages: the MOF-derived three-dimensional conductive carbon network (conductivity > 10–2 S/cm) ensures efficient electron transfer; the exposed NiS (101) crystal plane achieves strong chemical anchoring and efficient catalytic conversion of lithium polysulfides. The graded pore structure offers a high sulfur loading capacity of 64 wt % in the electrode, along with fast ion transport channels. Based on these characteristics, the NiS/S composite positive electrode achieved an initial discharge capacity of 1520 mA h/g at a high rate of 2 C. Still, it maintained a capacity of 720 mA h/g after 300 cycles (a capacity retention rate of 47.4%), with a stable Coulombic efficiency of over 99.8%. Impedance spectroscopy revealed a unique interface activation phenomenon, with a 68% decrease in charge transfer resistance and a suppression of the polysulfide diffusion coefficient to the order of 10–14 cm2/s after cycling. These breakthroughs are attributed to the synergistic effect of “morphology genetics pore regulation interface optimization,” providing new material design ideas for practical lithium sulfur batteries with high energy density and long cycle life.","PeriodicalId":760,"journal":{"name":"Russian Journal of Electrochemistry","volume":"62 3","pages":"167 - 176"},"PeriodicalIF":0.9,"publicationDate":"2026-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148394793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrochemical Characterization of 316L Stainless Steel Electrodes for Alkaline Water Electrolysis in Renewable Energy Applications 可再生能源碱水电解用316L不锈钢电极的电化学表征

IF 0.9 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-07-08 DOI: 10.1134/S1023193525601366

Shokhrukhbek Bakhramov, Yakup Daşdemirli, Mustafa Yaşar

{"title":"Electrochemical Characterization of 316L Stainless Steel Electrodes for Alkaline Water Electrolysis in Renewable Energy Applications","authors":"Shokhrukhbek Bakhramov, Yakup Daşdemirli, Mustafa Yaşar","doi":"10.1134/S1023193525601366","DOIUrl":"10.1134/S1023193525601366","url":null,"abstract":"Electrochemical characterization of 316L stainless steel electrodes for alkaline water electrolysis was conducted through impedance spectroscopy (10 mHz–100 kHz), Tafel analysis, and thermal modeling. Impedance measurements revealed charge transfer resistance of 2.8 ± 0.2 Ω cm2, five-fold higher than ohmic resistance (0.52 ± 0.03 Ω cm2), identifying kinetic limitations as the primary optimization target. Tafel analysis demonstrated Volmer step rate-limitation with slopes of 130 ± 5 mV/decade for hydrogen evolution reaction (HER) and 85 ± 3 mV/decade for oxygen evolution reaction (OER), indicating water dissociation as the critical kinetic barrier. Exchange current densities of (2.3 ± 0.3) × 10–7 A/cm2 (HER) and (5.8 ± 0.5) × 10–6 A/cm2 (OER) were determined. Temperature-dependent measurements yielded activation energies of 48 ± 3 kJ/mol (HER) and 35 ± 2 kJ/mol (OER). A six-cell 5 kW electrolyzer system achieved 68.5% thermodynamic efficiency (LHV basis) with an 8.5-min thermal time constant. Field validation over 12 months in Turkey and Uzbekistan demonstrated operational stability exceeding 5100 h with hydrogen production at 62% DC-to-hydrogen efficiency when directly coupled with photovoltaic systems. The electrochemical characterization provides fundamental understanding of 316L stainless steel as a cost-effective electrode material for alkaline electrolysis in renewable energy applications.","PeriodicalId":760,"journal":{"name":"Russian Journal of Electrochemistry","volume":"62 3","pages":"131 - 141"},"PeriodicalIF":0.9,"publicationDate":"2026-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148394795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Guinea Fowl Eggshell Modified Glassy Carbon Electrode: Application to the Sensitive Detection of Paraquat in Aqueous Solution 珍珠鸡壳修饰玻碳电极在水溶液中百草枯灵敏检测中的应用

IF 0.9 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-07-08 DOI: 10.1134/S1023193525600749

Amadou Djavai, Guy Bertrand Piegang Ngassa, Francis Merlin Melataguia Tchieno, Lemankreo Dai-Yang, Martin Pengou, Beaufils Ngatchou Ngana, Landry Wilfried leutchi-Ekeu, PengKun Hou, Charles Peguy Nanseu-Njiki, Emmanuel Ngameni

引用次数: 0

Preparation of Pd(WC1–x)/C Composite Electrodes by Palladium Deposition under Open-Circuit Conditions 开路条件下钯沉积制备Pd(WC1-x)/C复合电极

IF 0.8 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-05-19 DOI: 10.1134/S1023193526600215

D. I. Cherkasov, E. A. Ruban, V. V. Kuznetsov, D. A. Khanin, A. A. Zhbanov, E. A. Filatova, V. V. Zhulikov, V. S. Boldyrev, A. A. Gurov

引用次数: 0

Continuous Disproportionation Synthesis of FexSey/Carbon with Different Selenide Degree and Their Comparative Electrochemical Performances 不同硒化度FexSey/碳的连续歧化合成及其电化学性能比较

IF 0.8 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-05-19 DOI: 10.1134/S1023193525601408

Chenhao Zhao, Junhao Zhao, Fengzhang Tu

{"title":"Continuous Disproportionation Synthesis of FexSey/Carbon with Different Selenide Degree and Their Comparative Electrochemical Performances","authors":"Chenhao Zhao, Junhao Zhao, Fengzhang Tu","doi":"10.1134/S1023193525601408","DOIUrl":"10.1134/S1023193525601408","url":null,"abstract":"To investigate the effect of selenization degree on the electrochemical performance of iron selenides, FexSey/carbon composites with different selenization degrees are successfully synthesized via a solid-state reaction using ferric citrate as the precursor, by regulating the reaction temperature and Fe/Se molar ratio. Structural characterization reveals that reaction temperature is the key factor determining the phase composition: with increasing temperature, the selenization degree decreases gradually, showing a phase evolution law of FeSe2 → Fe3Se4 → Fe7Se8. Electrochemical tests indicate that Fe3Se4 exhibited the optimal reversible capacity (754.5 mA h g–1) and cycling stability (86.7% capacity retention after 100 cycles) as lithium-ion batteries anode, attributed to the possible synergy between faradaic redox reactions and capacitive storage. In contrast, FeSe2 possessing a better conductivity shows better capacity retention (75.0%) as sodium-ion batteries. These studies provide valuable insights for designing high-performance iron selenide-based anode materials for batteries.","PeriodicalId":760,"journal":{"name":"Russian Journal of Electrochemistry","volume":"62 2","pages":"104 - 117"},"PeriodicalIF":0.8,"publicationDate":"2026-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147967994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Characterization of Sulfonated Poly(Ether Ether Ketone) Composite Membranes Reinforced with Cellulose Nanocrystals for Electrochemical Hydrogen Compressors 电化学氢气压缩机用纤维素纳米晶增强磺化聚醚醚酮复合膜的表征

IF 0.8 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-05-19 DOI: 10.1134/S1023193525601202

Gye Chol Sin, Chol Bom Kim, Ju Yong Go, Dae Song Jong, Sang Mo Jon

{"title":"Characterization of Sulfonated Poly(Ether Ether Ketone) Composite Membranes Reinforced with Cellulose Nanocrystals for Electrochemical Hydrogen Compressors","authors":"Gye Chol Sin, Chol Bom Kim, Ju Yong Go, Dae Song Jong, Sang Mo Jon","doi":"10.1134/S1023193525601202","DOIUrl":"10.1134/S1023193525601202","url":null,"abstract":"Electrochemical hydrogen compression technology is a promising alternative for hydrogen compression due to its simultaneous compression and purification, high efficiency, and simple design. One of the main problems in electrochemical hydrogen compressors is to improve the properties of membranes such as proton conductivity, mechanical strength, low hydrogen crossover. Here we report the properties of sulfonated poly(ether ether ketone) composite membranes reinforced with cellulose nanocrystals (CNCs) for the electrochemical compression systems. The physicochemical properties, including the morphology of composite membranes, water uptake, mechanical strength, ion exchange capacity and proton conductivity were evaluated. The mechanical strength of composite membrane with 3 wt % CNCs showed high tensile strength of 26.0 MPa, and proton conductivity was highest among evaluated membranes as 0.209 S/cm at 90°C. The performance of electrochemical hydrogen compressors was tested for voltage, compression time, and energy efficiency at pressures up to 50 bar. As a result, the composite membrane reinforced with CNCs showed improved energy efficiency and lower hydrogen crossover in electrochemical hydrogen compressor systems.","PeriodicalId":760,"journal":{"name":"Russian Journal of Electrochemistry","volume":"62 2","pages":"93 - 103"},"PeriodicalIF":0.8,"publicationDate":"2026-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147968041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Integration of Electrochemical Impedance and Neuro-Fuzzy Modeling for Acid Concentration Prediction in Fermentation 电化学阻抗与神经模糊模型集成在发酵过程中酸浓度预测中的应用

IF 0.8 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-05-19 DOI: 10.1134/S1023193525601378

Ashutosh Kumar Pathak, Madhusree Kundu

{"title":"Integration of Electrochemical Impedance and Neuro-Fuzzy Modeling for Acid Concentration Prediction in Fermentation","authors":"Ashutosh Kumar Pathak,  Madhusree Kundu","doi":"10.1134/S1023193525601378","DOIUrl":"10.1134/S1023193525601378","url":null,"abstract":"This study investigates the use of electrochemical impedance spectroscopy (EIS) and adaptive neuro-fuzzy inference system (ANFIS) modeling to predict the concentration of butyric and acetic acids in a fermentation broth. Initially, a simulation of the glycolysis process was conducted to produce butyric acid and acetic acid from glucose. Using insights from the simulation data, mixtures of acetic and butyric acids were prepared at known concentrations. EIS measurements were performed on these mixtures to extract impedance parameters, which were subsequently fitted to equivalent circuit models. The extracted parameters served as inputs for the ANFIS model, which was trained to establish a relationship between electrochemical parameters and acid concentrations. The developed ANFIS model acts as a soft sensor, enabling accurate prediction of acid concentrations in fermentation broth based on electrochemical data. This approach offers a novel method for real-time monitoring and control of fermentation processes, enhancing efficiency and product quality. The findings demonstrate the potential of combining EIS and ANFIS for advanced process analytics in biotechnological applications. Future work will focus on validating the model with diverse fermentation conditions and scaling up the methodology for industrial use.","PeriodicalId":760,"journal":{"name":"Russian Journal of Electrochemistry","volume":"62 2","pages":"66 - 79"},"PeriodicalIF":0.8,"publicationDate":"2026-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147967993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fabrication of the Reduced Graphene Oxide/Activated Carbon Composite Modified by PbSO4 as Ternary Additive to Negative Plate of Lead Acid Battery 铅酸蓄电池负极三元添加剂PbSO4改性还原氧化石墨烯/活性炭复合材料的制备

IF 0.8 4区工程技术

Russian Journal of Electrochemistry Pub Date : 2026-05-19 DOI: 10.1134/S1023193525601330

Chung-Nam Ri, Jin-Chon Ri, Min-Ung Jon

{"title":"Fabrication of the Reduced Graphene Oxide/Activated Carbon Composite Modified by PbSO4 as Ternary Additive to Negative Plate of Lead Acid Battery","authors":"Chung-Nam Ri, Jin-Chon Ri, Min-Ung Jon","doi":"10.1134/S1023193525601330","DOIUrl":"10.1134/S1023193525601330","url":null,"abstract":"In this paper reduced graphene oxide/activated carbon (rGO/AC, GAC) composite modified by PbSO4 (PbSO4–rGO/AC, PGAC) as the additive to negative active material (NAM) of lead acid battery (LAB) was fabricated and its effect on high rate partial state of charge (HRPSoC) cycle life was investigated. To fabricate PGAC, the powder of AC was added to graphene oxide suspension and reduced by glucose. GAC powder was immersed in Pb(NO3)2 solution to allow lead ion (Pb2+) adsorption on GAC. And by reacting lead ion (Pb2+) which was adsorbed on the surface of rGO/AC and sulphate ion (({text{SO}}_{4}^{{2 - }})), PGAC composite was obtained. X-ray diffration (XRD) and scanning electron microscopy (SEM) was used for the structural characterization of the PGAC and electrochemical measurement was carried out by using cyclic voltametry (CV), linear sweep voltametry (LSV), galvanostatic charge–discharge (GCD). The results showed that the addition of PGAC composite (PbSO4 : GAC = 26 : 74 wt ratio) to NAM at 2 wt % increased HRPSoC cycle life by 343% from 14 768 to 65 477.","PeriodicalId":760,"journal":{"name":"Russian Journal of Electrochemistry","volume":"62 2","pages":"80 - 92"},"PeriodicalIF":0.8,"publicationDate":"2026-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147967995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0