Journal of Electroanalytical Chemistry最新文献_第8页

CO-tolerant Pt-based ternary spatial network catalyst for efficient methanol electro-oxidation 耐co的pt基三元空间网络高效甲醇电氧化催化剂

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-25 DOI: 10.1016/j.jelechem.2026.119875

Guanjun Chen, Long Chen, Zheming Huang, Kaiwen Yang, Jiayi Yang, Tong Wang, Jin Zhang, Ke Zhang

{"title":"CO-tolerant Pt-based ternary spatial network catalyst for efficient methanol electro-oxidation","authors":"Guanjun Chen, Long Chen, Zheming Huang, Kaiwen Yang, Jiayi Yang, Tong Wang, Jin Zhang, Ke Zhang","doi":"10.1016/j.jelechem.2026.119875","DOIUrl":"10.1016/j.jelechem.2026.119875","url":null,"abstract":"<div><div>The rational design of Pt-based electrocatalysts with high carbon monoxide tolerance is essential for advancing the sustainable development of direct methanol fuel cells (DMFCs). To address this challenge, a ternary composite comprising Pt nanocrystals, nickel-doped cobalt carbonate hydroxide (NiCoCH) and porous carbon was constructed. The designed Pt-based ternary catalyst exhibits outstanding methanol oxidation reaction (MOR) performance, which is attributed to the kinetic promotion of water activation for the formation of OH species by Ni doping in carbonate hydroxide, the three-dimensional spatial network structure and the optimized synergistic catalysis. Specifically, it delivers a remarkable MOR mass activity of 1465.5 mA∙mg<sup>−1</sup>, which is 2.1 times greater than that of commercial Pt/C (672.3 mA∙mg<sup>−1</sup>). And over 55% of the initial activity was maintained after 3000 s of chronoamperometry testing. Notably, the onset potential for CO oxidation on the ternary catalyst is observed at 0.15 V, significantly lower than the 0.33 V recorded for Pt/C, indicating substantially enhanced CO tolerance. This study offers key design principles for developing high-performance MOR electrocatalysts.</div></div>","PeriodicalId":355,"journal":{"name":"Journal of Electroanalytical Chemistry","volume":"1005 ","pages":"Article 119875"},"PeriodicalIF":4.1,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146075344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Correlation between spinel structure and electrochemical kinetic behavior of spinel ferrites 尖晶石结构与尖晶石铁氧体电化学动力学行为的关系

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-22 DOI: 10.1016/j.jelechem.2026.119870

Meng Sun , Guanting Liu , Shujin Hao , Feiyu Diao , Federico Rosei , Rongsheng Cai , Yiqian Wang

{"title":"Correlation between spinel structure and electrochemical kinetic behavior of spinel ferrites","authors":"Meng Sun , Guanting Liu , Shujin Hao , Feiyu Diao , Federico Rosei , Rongsheng Cai , Yiqian Wang","doi":"10.1016/j.jelechem.2026.119870","DOIUrl":"10.1016/j.jelechem.2026.119870","url":null,"abstract":"<div><div>Recent studies have shown that spinel ferrites featuring unique spinel structures are promising as anode materials in lithium-ion batteries (LIBs) because of their high capacity, low cost, and abundant resources. However, the influence of the spinel structure on the electrochemical properties of spinel ferrites is still poorly understood. Herein, three different spinel ferrites, namely, normal spinel ZnFe<sub>2</sub>O<sub>4</sub>, mixed spinel MgFe<sub>2</sub>O<sub>4</sub>, and inverse spinel CoFe<sub>2</sub>O<sub>4</sub> nanofibers are prepared by electrospinning, aiming to correlate the spinel structure with their electrochemical kinetic behavior. It is found that the spinel type of spinel ferrites is associated with the initial voltage platform in the discharge process and reaction kinetics. As an anode for LIBs, the ZFO electrode demonstrates the highest initial voltage platform and superior lithium-ion transport capability. This is mainly attributed to the large proportion of Fe<sup>3+</sup> occupying octahedral sites in the normal spinel, which facilitates the migration of lithium ions into the lattice of the anode. This work advances the understanding of the effects of spinel structure on the battery performance, enabling the targeted synthesis of optimized materials for enhanced performance of LIBs.</div></div>","PeriodicalId":355,"journal":{"name":"Journal of Electroanalytical Chemistry","volume":"1005 ","pages":"Article 119870"},"PeriodicalIF":4.1,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146036937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nickel nanoparticles embedded in nitrogen doped cellulose derived carbon aerogel for enhanced cycling stability of Lithium Sulfur batteries via synergistic porous and catalytic interfaces 镍纳米颗粒嵌入氮掺杂纤维素衍生碳气凝胶中，通过协同多孔和催化界面增强锂硫电池的循环稳定性

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-20 DOI: 10.1016/j.jelechem.2026.119845

Yifeng Guo , Zhaomeng Wu , Hangtong Zhao , Xiaoguang Wu , Guofeng Chang , Yang Wang , Xiaochen Xu , Shaobin Yang , Wei Dong

{"title":"Nickel nanoparticles embedded in nitrogen doped cellulose derived carbon aerogel for enhanced cycling stability of Lithium Sulfur batteries via synergistic porous and catalytic interfaces","authors":"Yifeng Guo , Zhaomeng Wu , Hangtong Zhao , Xiaoguang Wu , Guofeng Chang , Yang Wang , Xiaochen Xu , Shaobin Yang , Wei Dong","doi":"10.1016/j.jelechem.2026.119845","DOIUrl":"10.1016/j.jelechem.2026.119845","url":null,"abstract":"<div><div>Cellulose powder (CA) was employed as the raw material and dissolved in a NaOH/urea aqueous solvent system at low temperatures to form a three-dimensional gel network. Nickel nitrate was simultaneously introduced as the nickel source during this process. The resulting gel underwent freeze-drying, followed by gradient pyrolysis and acid washing treatments, to achieve uniform dispersion of nickel nanoparticles within the nitrogen-doped carbon skeleton. Notably, the urea dissolution system was innovatively utilized to synchronously accomplish nitrogen doping and metal anchoring. Optimizing the loading amount of nickel nanoparticles led to the successful preparation of a carbon aerogel cathode material, denoted as 2Ni/NUCA. This material demonstrated exceptional electrochemical performance in lithium sulfur batteries. The three dimensionally cross-linked fibrous carbon network significantly enhanced electrical conductivity by shortening the charge transport pathways and effectively accommodated the volume expansion of sulfur. Furthermore, the uniformly dispersed nickel nanoparticles substantially accelerated the redox kinetics of polysulfides through interfacial catalytic effects. The 2Ni/NUCA/S electrode achieved an initial discharge specific capacity of 605.0 mAh/g at a current density of 4C. It maintained a capacity of 487.9 mAh/g after 800 cycles, corresponding to a high capacity retention of 80.6%. The average capacity decay per cycle was as low as 0.024%.</div></div>","PeriodicalId":355,"journal":{"name":"Journal of Electroanalytical Chemistry","volume":"1005 ","pages":"Article 119845"},"PeriodicalIF":4.1,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146036940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluating a non-precious anode (CoFe2O4) for cadmium electrowinning from leaching solution of spent Nicd batteries 废镍电池浸出液电积镉用非贵重阳极CoFe2O4的评价

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-16 DOI: 10.1016/j.jelechem.2026.119836

Mehdi Hamze, Davoud Fatmehsari Haghshenas

{"title":"Evaluating a non-precious anode (CoFe2O4) for cadmium electrowinning from leaching solution of spent Nicd batteries","authors":"Mehdi Hamze, Davoud Fatmehsari Haghshenas","doi":"10.1016/j.jelechem.2026.119836","DOIUrl":"10.1016/j.jelechem.2026.119836","url":null,"abstract":"<div><div>Due to the increasing amount of spent Ni<img>Cd batteries, their efficient recycling is essential to reduce the environmental risks and recycle valuable metals. Hereunder, a hydro-electrometallurgical process was proposed for the recycling Cd from spent Ni<img>Cd batteries by developing a novel non-precious CoFe<sub>2</sub>O<sub>4</sub> anode. After near-complete dissolution of Cd (∼57 g/L) and Ni (∼71 g/L) by sulfuric acid leaching (2 M, 90 °C, 2 h) and, Fe precipitation by pH adjustment (∼5), Cd electrowinning from the leaching solution was carried out using CoFe<sub>2</sub>O<sub>4</sub> as the anode. The CoFe<sub>2</sub>O<sub>4</sub> anode, prepared through thermal decomposition at 550 °C, exhibited enhanced electrocatalytic activity and durability over conventional Pb anodes, with a ∼ 250 mV decrease in overpotential and a ∼ 35-fold increase in electrochemical surface area. High performance and 25-day operational stability under acidic conditions (pH = 1) were confirmed through linear sweep voltammetry (LSV), electrochemical impedance spectroscopy (EIS), and long-term chronopotentiometry. Electrowinning at 5 mA/cm<sup>2</sup> and with sodium lauryl sulfate (SLS) additive (250 mg/L) produced Cd deposits with 99.99% purity and ∼ 100% current efficiency. The developed anode promisingly provides a green and scalable alternative to conventional Pb-based anodes in metal electrowinning processes.</div></div>","PeriodicalId":355,"journal":{"name":"Journal of Electroanalytical Chemistry","volume":"1005 ","pages":"Article 119836"},"PeriodicalIF":4.1,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146075345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Phosphoric acid-assisted synthesis of FeCo nanoalloys in N-doped carbon fibers toward high-efficiency oxygen evolution reaction 磷酸辅助n掺杂碳纤维制备FeCo纳米合金的高效析氧反应

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-18 DOI: 10.1016/j.jelechem.2026.119841

Weilin Liu , Kaijing Zhao , Xin Wan , Shiyu Lu , Yongjiang Di , Shuai Long , Cheng Zhang , Meng Jin , Jun Zhang , Peng Peng

{"title":"Phosphoric acid-assisted synthesis of FeCo nanoalloys in N-doped carbon fibers toward high-efficiency oxygen evolution reaction","authors":"Weilin Liu , Kaijing Zhao , Xin Wan , Shiyu Lu , Yongjiang Di , Shuai Long , Cheng Zhang , Meng Jin , Jun Zhang , Peng Peng","doi":"10.1016/j.jelechem.2026.119841","DOIUrl":"10.1016/j.jelechem.2026.119841","url":null,"abstract":"<div><div>The oxygen evolution reaction (OER) is a core half-reaction in clean energy technologies like water splitting, and the development of high-efficiency OER catalysts is critical for overcoming the energy conversion efficiency bottleneck. The development of efficient OER catalysts based on metal-embedded porous carbon nanofibers (CNFs) is often hampered by complex synthesis procedures. This study presents a phosphoric acid-mediated synthesis strategy for fabricating FeCo bimetallic nanoalloys anchored on nitrogen-doped porous carbon nanofibers (FeCo@N-PCNFs). By integrating phosphoric acid with polyvinyl alcohol (PVA), a stabilized carbon framework is formed, enabling homogeneous dispersion of FeCo nanoparticles. Hierarchical porosity is simultaneously generated through PTFE decomposition during pyrolysis. The optimized FeCo@N-PCNFs demonstrate superior OER performance in 1 M KOH, requiring an overpotential of 273 mV to reach 10 mA cm<sup>−2</sup>, outperforming commercial RuO<sub>2</sub> (320 mV). The catalyst maintains 91.4% of its initial current over 32 h, with enhanced charge transfer kinetics (R<sub>ct</sub> = 0.77 Ω). This method simplifies the synthesis of porous carbon-based electrocatalysts while achieving high activity and durability.</div></div>","PeriodicalId":355,"journal":{"name":"Journal of Electroanalytical Chemistry","volume":"1005 ","pages":"Article 119841"},"PeriodicalIF":4.1,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146036924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Etching-engineered defects in crystalline-amorphous cobalt phosphides for efficient overall water splitting 蚀刻工程缺陷的结晶-非晶钴磷化物为有效的整体水分解

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-16 DOI: 10.1016/j.jelechem.2026.119833

Yiming Huang, Yahui Song, Xinyue Li, Jihui Zhang, Kaiming Cheng

{"title":"Etching-engineered defects in crystalline-amorphous cobalt phosphides for efficient overall water splitting","authors":"Yiming Huang, Yahui Song, Xinyue Li, Jihui Zhang, Kaiming Cheng","doi":"10.1016/j.jelechem.2026.119833","DOIUrl":"10.1016/j.jelechem.2026.119833","url":null,"abstract":"<div><div>Cobalt-based electrocatalysts show promising potential for water splitting, yet the efficiency of the electrochemical process is primarily impeded by the slow kinetics of the oxygen evolution reaction (OER). Developing highly active and stable non-precious metal OER electrocatalysts is therefore of great importance. In this work, the Pv-CoP/NF nanorod arrays with numerous crystalline-amorphous interfaces are fabricated by NaBH<sub>4</sub> etching. Enhanced electrocatalytic performance is achieved by this heterostructure through a merger of the crystalline phase's excellent electrical conductivity and the amorphous domains' plentiful defect sites, which collectively improve the electronic structure. The Pv-CoP/NF catalyst exhibits excellent bifunctional activity in alkaline electrolyte, requiring low overpotentials of only 60 mV for the hydrogen evolution reaction (HER) and 198 mV for the OER at a current density of 10 mA cm<sup>−2</sup>. The assembled water-splitting device requires only 1.49 V to reach the current density of 10 mA cm<sup>−2</sup>. This study offers a feasible strategy for designing efficient non-precious metal electrocatalysts, contributing to the advancement of sustainable energy conversion technologies.</div></div>","PeriodicalId":355,"journal":{"name":"Journal of Electroanalytical Chemistry","volume":"1005 ","pages":"Article 119833"},"PeriodicalIF":4.1,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146036846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synergistic MXene/MoS2 hybrid Electrocatalyst with enhanced oxygen evolution activity for efficient water splitting 具有增强析氧活性的MXene/MoS2杂化电催化剂用于高效水分解

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-15 DOI: 10.1016/j.jelechem.2026.119834

Pervaiz Ahmad , Niaz Ahmad Niaz , Rimsha Shehzadi , Awais Khalid , Fawad Ali Shah , Fayyaz Hussain

{"title":"Synergistic MXene/MoS2 hybrid Electrocatalyst with enhanced oxygen evolution activity for efficient water splitting","authors":"Pervaiz Ahmad , Niaz Ahmad Niaz , Rimsha Shehzadi , Awais Khalid , Fawad Ali Shah , Fayyaz Hussain","doi":"10.1016/j.jelechem.2026.119834","DOIUrl":"10.1016/j.jelechem.2026.119834","url":null,"abstract":"<div><div>Developing a low cost and highly efficient noble metal free electrocatalyst for water splitting applications has drawn a lot of attention. MXenes, a novel 2D materials have been researched due to these characteristics such as increased catalytic activity, excellent metallic conductivity, superior hydrophility, huge surface area and high thermal stability. MoS<sub>2</sub>, a typical 2D transition metal dichalcogenide has been studied for OER, because of following properties like excellent catalytic activity, high density of catalytically active edge sites, layered structure, large specific surface area and less volume expansion. The combination of MXene (Ti<sub>3</sub>C<sub>2</sub>) with MoS<sub>2</sub> was attributed to good electrocatalytic performance by effective integration, where MoS<sub>2</sub> rises surface area and inhibits MXene from restacking. The 2% Ti<sub>3</sub>C<sub>2</sub>/MoS<sub>2</sub> electrocatalyst demonstrates a minimum overpotential (246 mV), a small Tafel slope (73 mV dec<sup>−1</sup>), large electrochemical surface area and long-term durability than other electrocatalysts, which highlights outstanding OER performance. DFT simulations showed that the Ti<sub>3</sub>C<sub>2</sub>/MoS<sub>2</sub> heterostructure has a lower Gibbs free energy barrier for OER, which suggests efficient charge transfer efficiency and strong active site interactions. This study provides valuable insights to create an effective electrocatalysts through water splitting for OER, utilizing non-noble metals for sustainable hydrogen production.</div></div>","PeriodicalId":355,"journal":{"name":"Journal of Electroanalytical Chemistry","volume":"1005 ","pages":"Article 119834"},"PeriodicalIF":4.1,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146036925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dual model ratiometric electrochemical/colorimetric sensor based on advanced signal amplification strategies for sensitive detection of acetaminophen 基于先进信号放大策略的双模型比例电化学/比色传感器对乙酰氨基酚的灵敏检测

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-18 DOI: 10.1016/j.jelechem.2026.119840

Shuang Yang , Junyi You , Yukui Tong, Fang Chai, Miaomiao Tian

{"title":"Dual model ratiometric electrochemical/colorimetric sensor based on advanced signal amplification strategies for sensitive detection of acetaminophen","authors":"Shuang Yang , Junyi You , Yukui Tong, Fang Chai, Miaomiao Tian","doi":"10.1016/j.jelechem.2026.119840","DOIUrl":"10.1016/j.jelechem.2026.119840","url":null,"abstract":"<div><div>A dual-mode (ratiometric electrochemical and colorimetric) sensor for acetaminophen (ACM) was successfully developed using novel functional monomers: iron-coordinated 5-aminophenaminophenanthroline (PAP) and 3,4-ethylenedioxythiophene (EDOT). The PAP monomer played a dual role; it facilitated specific molecular recognition of ACM through coordination interactions while simultaneously serving as an intrinsic electrochemical signal source via the Fe<sup>2+</sup>/Fe<sup>3+</sup> redox couple. This ingenious design established a self-referenced sensing system based on the monomer's inherent conductivity. An ACM-selective molecularly imprinted polymeric film was fabricated via electropolymerization. The optimized electrochemical sensor demonstrated excellent performance, featuring a wide linear detection range from 0.06 to 1000 μM, an ultra-low detection limit of 0.026 μM, and satisfactory recoveries between 96.7% and 103.9% in real sample analysis. In a complementary colorimetric mode, ACM'S inherent reducing capability triggered the reduction of oxidized TMB (OXTMB), producing a measurable color change. This integrated dual-platform strategy significantly enhances detection reliability through cross-validation and extends practical application scope, presenting a robust and versatile paradigm for analytical detection systems with considerable potential in food safety and health monitoring.</div></div>","PeriodicalId":355,"journal":{"name":"Journal of Electroanalytical Chemistry","volume":"1005 ","pages":"Article 119840"},"PeriodicalIF":4.1,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146036936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Regulating SEI formation in high-capacity Si/C anodes via synergistic dual-salt electrolyte engineering 协同双盐电解质工程调控高容量Si/C阳极SEI形成

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-24 DOI: 10.1016/j.jelechem.2026.119849

Dan Zhao , Bing Bai , Peiao Lu, Kui-Qing Peng

{"title":"Regulating SEI formation in high-capacity Si/C anodes via synergistic dual-salt electrolyte engineering","authors":"Dan Zhao , Bing Bai , Peiao Lu, Kui-Qing Peng","doi":"10.1016/j.jelechem.2026.119849","DOIUrl":"10.1016/j.jelechem.2026.119849","url":null,"abstract":"<div><div>Silicon–carbon (Si/C) composite anodes offer significant potential for high-energy lithium-ion batteries (LIBs), but suffer from interfacial degradation due to differential volume changes between silicon and carbon. This mismatch leads to unstable solid electrolyte interphase (SEI) in carbonate electrolytes, accelerating capacity fading. In this work, we propose a dual-salt electrolyte strategy that synergizes LiFSI and LiPF<sub>6</sub> in tetrahydrofuran to address bulk transport and interfacial stability. The competitive coordination between PF<sub>6</sub><sup>−</sup> and FSI<sup>−</sup> anions modulates the SEI composition, thereby enabling formation of inorganic-rich, mechanically resilient structure. Furthermore, the reduced electrolyte viscosity enhances electrode wettability, while the optimized Li<sup>+</sup> solvation lowers the desolvation barrier. Consequently, micron-scale Si/C anodes using the dual-salt electrolyte exhibit substantially improved cycling performance, retaining 81.2% capacity after 1700 cycles at 1 A g<sup>−1</sup> with near-unity Coulombic efficiency. This work highlights the importance of a rational dual-salt electrolyte design in enhancing the performance of Si/C anode-based LIBs.</div></div>","PeriodicalId":355,"journal":{"name":"Journal of Electroanalytical Chemistry","volume":"1005 ","pages":"Article 119849"},"PeriodicalIF":4.1,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146075347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A mini review on sweat activation: common and uncommon strategies 汗液激活的一个小回顾：常见和不常见的策略

IF 4.1 3区化学

Journal of Electroanalytical Chemistry Pub Date : 2026-03-15 Epub Date: 2026-01-22 DOI: 10.1016/j.jelechem.2026.119873

Egor A. Andreev , Anastasia I. Alekseeva , Baohua Lou , Arkady A. Karyakin

引用次数: 0