ChemElectroChem最新文献

筛选
英文 中文
Covalent Organic Framework-Based Solid-State Electrolyte: Regulable Structure Promoting Lithium-Ion Transfer 基于共价有机框架的固态电解质:促进锂离子转移的可调节结构
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-12 DOI: 10.1002/celc.202500163
Shujing Liu, Miao Xu, Xing Chen
{"title":"Covalent Organic Framework-Based Solid-State Electrolyte: Regulable Structure Promoting Lithium-Ion Transfer","authors":"Shujing Liu,&nbsp;Miao Xu,&nbsp;Xing Chen","doi":"10.1002/celc.202500163","DOIUrl":"10.1002/celc.202500163","url":null,"abstract":"<p>The development of high-performance solid-state electrolytes (SSEs) is critical for advancing next-generation energy storage systems. Traditional liquid electrolytes face safety risks such as flammability, while inorganic and polymeric SSEs suffer from brittleness, low ionic conductivity, and poor thermal stability. Covalent organic frameworks (COFs), with crystalline porosity, tunable functionality, and structural robustness, have emerged as promising candidates for SSEs. This review systematically explores COF-based electrolytes through design strategies including backbone engineering, crystal arrangement optimization, and pore decoration, which aims to provide a roadmap for designing advanced COF electrolytes, emphasizing molecular-level precision and multifunctional integration to overcome existing limitations in energy storage technologies.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 18","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500163","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145101038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electroenzymatic CO2 Reduction Using Formate Dehydrogenase: Direct and Mediated Catalysis 使用甲酸脱氢酶的电解法二氧化碳还原:直接和介导催化
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-12 DOI: 10.1002/celc.202500100
Navendu Paul, Isabel Moura, Luísa B. Maia, Cristina M. Cordas, Jose J. G. Moura
{"title":"Electroenzymatic CO2 Reduction Using Formate Dehydrogenase: Direct and Mediated Catalysis","authors":"Navendu Paul,&nbsp;Isabel Moura,&nbsp;Luísa B. Maia,&nbsp;Cristina M. Cordas,&nbsp;Jose J. G. Moura","doi":"10.1002/celc.202500100","DOIUrl":"10.1002/celc.202500100","url":null,"abstract":"<p>The electrocatalytic reduction of carbon dioxide (CO<sub>2</sub>) to formate by the enzyme formate dehydrogenase (FDH) makes use of the enzyme's observed reversibility, offering a promising strategy for the mitigation of CO<sub>2</sub> and the production of value-added compounds. To enhance the catalytic potential of <i>Desulfovibrio desulfuricans</i> FDH (<i>Dd</i>FDH), a range of artificial and natural redox cofactors is investigated using electrochemical methods. These studies included direct (nonmediated) conditions and mediated conditions employing viologens (methyl and benzyl viologens), and small heme proteins (cytochromes). Methyl viologen acts as an efficient mediator for CO<sub>2</sub> reduction, achieving a very high current density of 216 μA cm<sup>−2</sup>. The studies of the different small proteins, namely cytochrome split-soret (<i>cyt</i> SS), cytochrome <i>c</i><sub>3</sub> (<i>cyt</i> <i>c</i><sub>3</sub>), and cytochrome <i>c</i><sub>552</sub> (<i>cyt</i> <i>c</i><sub>552</sub>), allow the identification of the potential natural physiological partners. These isolated cytochromes, from the same organism, are electrochemically characterized, from which detailed redox processes are determined and later used as mediators to explore <i>Dd</i>FDH catalytic activity in both formate oxidation and CO<sub>2</sub> reduction. Best results are attained with cytochrome <i>cyt</i> SS and <i>cyt</i> <i>c</i><sub>3,</sub> increasing the electrocatalytic activity for formate oxidation by 7.5 times and 5.8 times, respectively.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 15","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500100","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144705089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Front Cover: Wireless Potentiometric Monitoring of Microbial Biofilm Formation: In Vitro and Ex Vivo Studies of Gram-Positive and Gram-Negative Bacteria (ChemElectroChem 11/2025) 封面:微生物生物膜形成的无线电位监测:革兰氏阳性和革兰氏阴性细菌的体外和离体研究(ChemElectroChem 11/2025)
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-11 DOI: 10.1002/celc.202581101
Vladislav Genevskiy, Vivek Chaturvedi, Kristian Thulin, Khurram Usman, Elsa Westerlund, Per-Ola Önnervik, Maryam Mostajeran, Sergey Shleev
{"title":"Front Cover: Wireless Potentiometric Monitoring of Microbial Biofilm Formation: In Vitro and Ex Vivo Studies of Gram-Positive and Gram-Negative Bacteria (ChemElectroChem 11/2025)","authors":"Vladislav Genevskiy,&nbsp;Vivek Chaturvedi,&nbsp;Kristian Thulin,&nbsp;Khurram Usman,&nbsp;Elsa Westerlund,&nbsp;Per-Ola Önnervik,&nbsp;Maryam Mostajeran,&nbsp;Sergey Shleev","doi":"10.1002/celc.202581101","DOIUrl":"10.1002/celc.202581101","url":null,"abstract":"<p><b>The front cover picture</b> illustrates a wireless, flexible potentiometric sensor equipped with gold and solid-state electrodes for continuous monitoring of changes in open-circuit potential to detect the microbial growth of Gram-positive (<i>Staphylococcus aureus</i>) and Gram-negative (<i>Pseudomonas aeruginosa and Escherichia coli</i>) bacteria in culture media. Ex vivo trials confirm the sensor's effectiveness in wound environments, highlighting its potential for point-of-care applications. More information can be found in the Research Article by Sergey Shleev and co-workers (DOI: 10.1002/celc.202400691).\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 11","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202581101","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Front Cover: Graphene Derivatives as Efficient Transducing Materials for Covalent Immobilization of Biocomponents in Electrochemical Biosensors (ChemElectroChem 12/2025) 封面:石墨烯衍生物作为电化学生物传感器中生物组分共价固定的高效转导材料(ChemElectroChem 12/2025)
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-11 DOI: 10.1002/celc.202581201
Petr Jakubec, David Panáček, Martin-Alex Nalepa, Marianna Rossetti, Ruslan Álvarez-Diduk, Arben Merkoçi, Majlinda Vasjari, Lueda Kulla, Michal Otyepka
{"title":"Front Cover: Graphene Derivatives as Efficient Transducing Materials for Covalent Immobilization of Biocomponents in Electrochemical Biosensors (ChemElectroChem 12/2025)","authors":"Petr Jakubec,&nbsp;David Panáček,&nbsp;Martin-Alex Nalepa,&nbsp;Marianna Rossetti,&nbsp;Ruslan Álvarez-Diduk,&nbsp;Arben Merkoçi,&nbsp;Majlinda Vasjari,&nbsp;Lueda Kulla,&nbsp;Michal Otyepka","doi":"10.1002/celc.202581201","DOIUrl":"10.1002/celc.202581201","url":null,"abstract":"<p><b>The front cover picture illustrates</b> the utility of graphene and its derivatives as transducing materials in electrochemical biosensors. The accompanying review article by Michal Otyepka and co-workers (DOI: 10.1002/celc.202400660) discusses their synthesis, functionalization, and integration into devices, which are essential for advancing point-of-care diagnostics, environmental monitoring, and sustainable sensing technologies. Cover design by Martin Pykal.\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 12","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202581201","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High Sensitivity L-Cysteine Indium Telluriselenide Quantum Dot-Inspired Aptasensor for Interferon Gamma TB Biomarker 高灵敏度l -半胱氨酸碲化铟量子点启发的干扰素γ结核生物标志物适配体传感器
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-11 DOI: 10.1002/celc.202400654
Kaylin Cleo Januarie, Usisipho Feleni, Candice Cupido, Nelia Abraham Sanga, Rachel Fanelwa Ajayi, Emmanuel Iheanyichukwu Iwuoha, Marlon Oranzie, Jaymi Leigh January, Zandile Dennis Leve
{"title":"High Sensitivity L-Cysteine Indium Telluriselenide Quantum Dot-Inspired Aptasensor for Interferon Gamma TB Biomarker","authors":"Kaylin Cleo Januarie,&nbsp;Usisipho Feleni,&nbsp;Candice Cupido,&nbsp;Nelia Abraham Sanga,&nbsp;Rachel Fanelwa Ajayi,&nbsp;Emmanuel Iheanyichukwu Iwuoha,&nbsp;Marlon Oranzie,&nbsp;Jaymi Leigh January,&nbsp;Zandile Dennis Leve","doi":"10.1002/celc.202400654","DOIUrl":"10.1002/celc.202400654","url":null,"abstract":"<p>Tuberculosis (TB) continues to be a significant contributor to global death tolls among infectious diseases. It can be diagnosed using certain cytokines, such as interferon-gamma (IFN-γ). Interferon-gamma is an essential component of the immune system's defense against pathogens which is known to be expressed in TB infection. This work involves the development of a quantum dot-sensitized electrochemical aptasensor for IFN-γ. The sensor system consists of gold disc electrode surface that was modified with novel L-cysteine-functionalized indium telluriselenide quantum dots (L-cysteine-InTeSe QD). Subsequently, the L-cysteine-InTeSe QDs are conjugated to an amine-terminated IFN-γ aptamer through a carbodiimide-mediated amide bond formation. The electrochemical responses of the IFN-γ aptasensor are studied by voltammetry. A linear calibration curve is generated for the concentration range studied (i.e., 10–21 pg mL<sup>−1</sup> IFN-γ), and a limit of detection of 0.312 pg mL<sup>−1</sup> is obtained. The QD aptasensor is able to accurately detect IFN-γ without interference from other substances. In a practical application using synthetic human serum, the QD aptasensor produced good detection recovery of 98–102%, highlighting its potential for diagnosing infectious diseases.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 15","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202400654","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144705133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Alternative Mechanistic Paradigm for the Electrochemical C-Terminal Decarboxylation of Peptides 多肽c端电化学脱羧的另一种机制范式
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-11 DOI: 10.1002/celc.202500142
Adam J. Sowers, Kevin D. Moeller, Kim S. Halskov
{"title":"An Alternative Mechanistic Paradigm for the Electrochemical C-Terminal Decarboxylation of Peptides","authors":"Adam J. Sowers,&nbsp;Kevin D. Moeller,&nbsp;Kim S. Halskov","doi":"10.1002/celc.202500142","DOIUrl":"10.1002/celc.202500142","url":null,"abstract":"<p>The C-terminal decarboxylation of peptides provides an important opportunity to synthesize modern peptide pharmaceuticals that contain C-terminal amides. This transformation can be achieved by electrochemical oxidation; however, the standard implementation depends on oxidation potential for selectivity which may represent a challenge when amino acid residues containing electroactive side chains are present. To address this limitation, an alternative mechanistic paradigm has been introduced for selective decarboxylation of a C-terminal carboxylate, one that relies on a chelation event. In a proof-of-principle experiment used to probe and define the viability of this mechanism, it is demonstrated that the combination of an iron mediator and a C-terminal glutamate residue can be used to conduct the reaction in the presence of the more electron-rich tyrosine residue frequently found in medicinally active peptides. Investigations into the reaction specifics and the scope/limitations provide key insights into the reaction mechanism and how such processes can be optimized. The success of the method highlighted here points to a more general binding-based approach to drive C-terminal decarboxylation that utilizes a functional group motif not possible at any other position in a peptide.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 14","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500142","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modification Mechanisms and Synergistic Effects of Nb/Al Codoping in High-Nickel Cathode Materials for Lithium-Ion Batteries 锂离子电池高镍正极材料中Nb/Al共掺杂的改性机理及协同效应
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-08 DOI: 10.1002/celc.202500125
Zailun Ma, Jiashu Yuan
{"title":"Modification Mechanisms and Synergistic Effects of Nb/Al Codoping in High-Nickel Cathode Materials for Lithium-Ion Batteries","authors":"Zailun Ma,&nbsp;Jiashu Yuan","doi":"10.1002/celc.202500125","DOIUrl":"10.1002/celc.202500125","url":null,"abstract":"<p>Advanced medical imaging systems require exceptional reliability and extended service life. While high-nickel layered cathode materials (Li[Ni<sub><i>x</i></sub>Co<sub><i>y</i></sub>Mn<sub>1−<i>x</i>−<i>y</i></sub>]O<sub>2</sub>, Ni ≥ 80%) offer high energy density, their structural instability threatens critical medical operations. This study addresses the challenges of electrochemical performance and structural stability in high-nickel layered cathode materials. A codoping strategy using Nb<sup>5+</sup> and Al<sup>3+</sup> is employed to deeply explore the modification mechanisms and synergistic effects. The results indicate that Nb<sup>5+</sup> doping induces a contraction of the primary particles, which enhances the crystal structure density and facilitates Li<sup>+</sup> diffusion; however, it also increases Li<sup>+</sup>/Ni<sup>2+</sup> cation mixing, potentially leading to irreversible capacity loss during the initial cycles. In contrast, the introduction of Al<sup>3+</sup> effectively mitigates the cation mixing aggravated by Nb<sup>5+</sup>, maintaining the Li<sup>+</sup>/Ni<sup>2+</sup> disorder within an optimal range. This adjustment significantly reduces electrode polarization during long-term cycling and prevents the formation of microcracks. Consequently, the codoped cathode half-cells retain 95.93% of their capacity after 200 cycles, while delivering a discharge capacity of 160.1 mAh g<sup>−1</sup> at a 5 C rate. Moreover, both high-temperature and room-temperature performances are markedly improved. The synergistic effect of Nb<sup>5+</sup> and Al<sup>3+</sup> codoping not only stabilizes the layered structure but also enhances rate performance and cycle life.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 15","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500125","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144705337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Macroporous Hollow-Fibrous and Magnetically Recoverable TiO2 Catalysts for Converting Dye Wastewater to Valuable Resources 大孔中空纤维和磁可回收TiO2催化剂在染料废水资源化中的应用
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-05 DOI: 10.1002/celc.202500084
Xin Liu, Gonggang Liu, Shanshan Chang, Yuanyuan Liao, Jinbo Hu
{"title":"Macroporous Hollow-Fibrous and Magnetically Recoverable TiO2 Catalysts for Converting Dye Wastewater to Valuable Resources","authors":"Xin Liu,&nbsp;Gonggang Liu,&nbsp;Shanshan Chang,&nbsp;Yuanyuan Liao,&nbsp;Jinbo Hu","doi":"10.1002/celc.202500084","DOIUrl":"10.1002/celc.202500084","url":null,"abstract":"<p>The photocatalytic TiO<sub>2</sub> has been regarded as a promising catalyst of nonbiodegradable organic pollutants in wastewater. Resolving some issues of agglomeration, recoverability, and poor efficiency, an inorganic TiO<sub>2</sub>-based catalyst has been constructed by a template method, which picks out bamboo fibers originating from processing waste. Characterization of the hollow fibrous TiO<sub>2</sub>/Fe<sub>3</sub>O<sub>4</sub> catalyst confirms the successful loading of Fe<sub>3</sub>O<sub>4</sub> and TiO<sub>2</sub>, along with a well-developed macroporous structure and high porosity (67.46%). At a solar intensity of 1 kW/m<sup>2</sup>, when the amount of TiO<sub>2</sub>/Fe<sub>3</sub>O<sub>4</sub> is 0.3 g and the amount of H<sub>2</sub>O<sub>2</sub> added is 3 mL, its degradation effect of 88.36% on industrial dye wastewater is optimal. The high magnetic saturation strength (5.78 emu/g) endows TiO<sub>2</sub>/Fe<sub>3</sub>O<sub>4</sub> with ultra-high magnetic properties. As expected, after 10 catalytic cycles, the average degradation rate of TiO<sub>2</sub>/Fe<sub>3</sub>O<sub>4</sub> toward methylene blue (MB) (0.2 L, 10 mg/L) remains above 96.2%, indicating that TiO<sub>2</sub>/Fe<sub>3</sub>O<sub>4</sub> has ultra-high recyclability and repeatability. Furthermore, the degradation kinetics analysis shows that TiO<sub>2</sub>/Fe<sub>3</sub>O<sub>4</sub> exhibits complete degradation of MB within 1 h and the degradation follows quasi-primary kinetics (<i>k</i> = 06062 min<sup>−1</sup>, <i>R</i><sup>2</sup> = 0.99747). Free radical burst experiments also indicate that hydroxyl radicals are active species that may play a major role in the solar-photo-Fenton system.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 14","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500084","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Graphene-Based in situ Electrochemical Plasmon Waveguide Resonance Sensor Incorporating a Polymer Layer 结合聚合物层的石墨烯原位电化学等离子体波导谐振传感器
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-04 DOI: 10.1002/celc.202500122
Robert Jungnickel, Kannan Balasubramanian
{"title":"Graphene-Based in situ Electrochemical Plasmon Waveguide Resonance Sensor Incorporating a Polymer Layer","authors":"Robert Jungnickel,&nbsp;Kannan Balasubramanian","doi":"10.1002/celc.202500122","DOIUrl":"https://doi.org/10.1002/celc.202500122","url":null,"abstract":"<p>Surface plasmon resonance (SPR) sensing is a suitable analytical technique to obtain kinetic information about the solid–liquid interface. In the standard SPR configuration, a metallic structure is needed, and the sensitivity is limited to the region close to the metal surface. Hence, it is difficult to study electrochemical reactions free of the metal film. Here, the use of a polymer layer on the metal is proposed, which serves as a dielectric waveguide presenting additional modes due to plasmon waveguide resonance (PWR). This helps one to offset the analytical interface a few 100 nm away from the metal surface. For studying electrochemical reactions, a graphene sheet is incorporated as an electrode on top of the polymer waveguide, thereby completely decoupling the electrode from the plasmonic gold layer. As a proof-of-principle, the possibility of following the kinetics of nanoparticle growth and dissolution is demonstrated. Moreover, it is shown that the electrochemical PWR can be used to monitor the redox behavior of immobilized nanoparticles in situ during potential cycling. Although the chemical structural information is not obtained, the ability to extract in situ kinetic data will help us gather a deeper mechanistic understanding of active metal centers in the context of electrocatalysis.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 19","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500122","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145228188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrolyte-Dependent Electrode Potentials in Lithium–Sulfur Batteries 锂硫电池中与电解质相关的电极电位
IF 3.5 4区 化学
ChemElectroChem Pub Date : 2025-06-02 DOI: 10.1002/celc.202500109
Fritz Wortelkamp, Christian Wittekind, Lilli Busch, Ingo Krossing
{"title":"Electrolyte-Dependent Electrode Potentials in Lithium–Sulfur Batteries","authors":"Fritz Wortelkamp,&nbsp;Christian Wittekind,&nbsp;Lilli Busch,&nbsp;Ingo Krossing","doi":"10.1002/celc.202500109","DOIUrl":"10.1002/celc.202500109","url":null,"abstract":"<p>Lithium–sulfur batteries are promising for future energy storage due to their high specific capacity. However, challenges like low cycling stability and the shuttle effect hinder their practical use. A better understanding of the underlying processes is crucial. This study examines the correlation between lithium potential (<i>E</i><sub>Li</sub>) and sulfur reaction potentials, referenced against the ferrocenium/ferrocene couple as an (almost) solvent-independent reference. Sulfur reactions are divided into two main stages during discharge and charge. Most sulfur reactions show a good linear correlation with <i>E</i><sub>Li</sub> (R<sup>2</sup> up to 0.87), except for the initial reduction of S<sub>8</sub> to Li<sub>2</sub>S<sub>8</sub>, which shows no significant correlation. This suggests electrolyte design should address individual sulfur reactions rather than treating them collectively. Additionally, the correlation between <i>E</i><sub>Li</sub> and the Raman-active symmetric S–N–S stretching mode <i>v</i><sub>s</sub>(SNS) in the Li[N(SO<sub>2</sub>CF<sub>3</sub>)<sub>2</sub>] electrolyte anion is analyzed across different electrolyte mixtures. A good linear correlation (R<sup>2</sup> = 0.73) indicates that both the Raman peak position and <i>E</i><sub>Li</sub> reflect the strength of the interaction between Li<sup>+</sup> and the electrolyte solvent and hence the Li<sup>+</sup> ion activity. These findings provide valuable insights for optimizing lithium–sulfur battery electrolytes.</p>","PeriodicalId":142,"journal":{"name":"ChemElectroChem","volume":"12 16","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/celc.202500109","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144881021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信