Electrochimica Acta最新文献

{"title":"Proton transport mediated mesoporous SiO2 nanospheres for long-life lead-carbon battery","authors":"Jian Tu ,&nbsp;Hao Zhao ,&nbsp;Yapeng He ,&nbsp;Yunfeng Ji ,&nbsp;Puqiang He ,&nbsp;Xue Wang ,&nbsp;Zhongcheng Guo ,&nbsp;Hui Huang","doi":"10.1016/j.electacta.2025.147420","DOIUrl":"10.1016/j.electacta.2025.147420","url":null,"abstract":"<div><div>The development of carbon-based negative additives in lead-carbon batteries (LCBs) renders the premature failure of positive electrode constrains further life improvement of LCBs. In this study, mesoporous SiO₂ nanospheres were prepared and incorporated into the positive electrode for promoting the cycling stability of LCBs. The action mechanism of SiO₂ nanospheres in the positive electrode of LCBs was investigated via exploring the initial discharge capacity, fast charging ability, rate capability, and cycling performance. Mesoporous SiO₂ nanospheres contribute to facilitate electrolyte penetration into the interior of positive active substances (PASs), while the hydroxyl groups on the surface and interior mesopores act as a proton reservoir, storing and releasing additional proton to promote the conversion kinetics of PbO₂/PbSO₄. Under the optimized content of 1.8 wt%, the highest initial discharge capacity of 3.36 Ah at 0.1 C and remarkable rate capability was achieved with a discharge capacity of 2.26 Ah at 1 C. Meanwhile, LCBs containing SiO₂ maintained a capacity retention ratio of 124.5 % after 120 cycles, delivering prominent cycling stability. These favorable properties can be attributed to the synergistic effect of the mesoporous structure and hydroxyl groups of SiO₂, which enhances the conversion rate of PASs and significantly improves the cycling stability.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"542 ","pages":"Article 147420"},"PeriodicalIF":5.6,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145084129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dimensional engineering of Ni-Mn MOF composites: Unveiling the electrochemical influence of 1D MWCNT and 2D rGO for high-performance supercapacitors","authors":"Murugan Keerthana,&nbsp;Chinnusamy Viswanathan,&nbsp;Nagamony Ponpandian","doi":"10.1016/j.electacta.2025.147419","DOIUrl":"10.1016/j.electacta.2025.147419","url":null,"abstract":"<div><div>High-performance, energy-dense supercapacitors are crucial in advancing electric vehicle (EV) technology and supporting clean energy initiatives, necessitating electrode materials with superior electrochemical activity, stability, and energy density. Metal organic frameworks have garnered significant interest as possible futuristic supercapacitor electrode materials because of their numerous redox active sites, tunable porosity, and vast surface area. In order to boost the energy storage performance, nickel-manganese MOF composites were incorporated with reduced graphene oxide and multi-walled carbon nanotubes (1D). Compositing Ni-Mn MOF with 1D and 2D carbonaceous materials induced structural modification that enhanced porosity, ion diffusion, and surface accessibility, thereby significantly boosting electrochemical performance. The improved specific capacitance (1153.9 F/g) of Ni-Mn MOF/MWCNT than the Ni-Mn MOF/rGO composite (826.8 F/g) is mainly due to the conductive pathways provided by MWCNT, promoting faster electron transport. and ion kinetics. The Ni-Mn MOF/MWCNT //AC device exhibited a broadened operating window of 1.4 V and maintains an excellent retention rate 85 % for 5000 cycles. This study demonstrates that the electrochemical performance varied with the dimensional tailoring as the 1D MWCNT composite outperformed the 2D rGO counterpart by providing ion mobility pathways and superior utilization of active sites.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"542 ","pages":"Article 147419"},"PeriodicalIF":5.6,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molten salt electrodeposition enabling direct and efficient preparation of homogeneous Pb-Li eutectic alloys","authors":"Yuntao Lei ,&nbsp;Wenjuan Zhang ,&nbsp;Fenglong Sun ,&nbsp;Zhongwei Zhao","doi":"10.1016/j.electacta.2025.147416","DOIUrl":"10.1016/j.electacta.2025.147416","url":null,"abstract":"<div><div>Liquid lead-lithium (Pb-Li) alloys are promising tritium breeder materials for nuclear fusion, but conventional high-temperature smelting preparation process remains hampered by low efficiency, compositional segregation, and safety risks from metallic Li feedstocks. Herein, we propose a molten salt electrodeposition strategy using a liquid Pb metal electrode to directly produce Pb-Li alloys. Driven by in-situ alloying and depolarization effects, Li⁺ ions from LiCl-KCl molten salts undergo underpotential deposition on the liquid Pb cathode, which enhances current efficiency and reduces electrolysis energy consumption. Homogeneous Pb-Li alloys are stably obtained across a wide range of conditions, including Li content (10–35 at%), current density (100–500 mA·cm⁻²), and temperature (400–550 °C), with current efficiencies consistently maintained above 80 %. A kilogram-scale experiment validates that potential-feedback galvanostatic electrodeposition enables precise synthesis of Pb-Li eutectic alloys with an average Li content of 17.10 ± 0.80 at %, reducing carbon emissions by 83.9 kg CO₂e·t⁻¹-alloy and lowering production costs by $143.6 per ton alloy compared to smelting. This approach exhibits stability, sustainability, and scalability for precisely fabricating homogeneous Pb-Li and analogous Li-based alloys.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"542 ","pages":"Article 147416"},"PeriodicalIF":5.6,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Insight into the role of electrolytes on the electrolytic Fe2+-activated peroxymonosulfate: Silicates for enhanced decontamination and sustainable electrolysis","authors":"Likun Zhao ,&nbsp;Kun Xin ,&nbsp;Ye He ,&nbsp;Yan Li ,&nbsp;Xuhui Mao ,&nbsp;Kun Luo ,&nbsp;Xu Wang ,&nbsp;Akram N. Alshawabkeh ,&nbsp;Bin Xia ,&nbsp;Jiaxin Cui","doi":"10.1016/j.electacta.2025.147423","DOIUrl":"10.1016/j.electacta.2025.147423","url":null,"abstract":"<div><div>Electrolytic Fe²⁺-activated peroxymonosulfate (EFP) is a promising technology for removing organic pollutants from wastewaters. However, the impact of electrolytes on the performance of EFP needs to be explored in depth. This study systematically investigated the impacts of various inorganic anions (as supporting electrolytes) on the iron dissolution behavior and ibuprofen (IBP) degradation within the EFP system. The experimental results revealed that the EFP system with a silicate electrolyte maintained continuous iron dissolution and demonstrated favorable performance in the removal of IBP. The order of electrolytes favoring IBP removal was as follows: silicate &gt; sulfate, nitrate, chloride &gt; bicarbonate &gt; phosphate. Specifically, silicate could coordinate with the Fe²⁺ ions that were released from the iron anode, thereby preventing the scaling of electrode. Meanwhile, the generated reactive species in the EFP, such as SO₄^-· and ·OH, were responsible for the oxidation of IBP. Based on the positive effect of silicate, a silicate-enhanced EFP was proposed for further optimization. The degradation of IBP was significantly correlated with the electrical current density and the PMS concentration, and the performance of EFP system can be regulated with electrical current. When the silicate-enhanced EFP was applied to the treatment of actual pharmaceutical wastewater, it not only showed the capability of removing COD, but also notably reduced the specific energy consumption by up to 44.4 %, compared to the silicate-free EFP system. Overall, this study highlights the superiority of silicate-containing electrolytes for the EFP system and in other electrochemical wastewater treating systems using iron anode.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"542 ","pages":"Article 147423"},"PeriodicalIF":5.6,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145083873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Iron tuned Ni–Co–Fe alloy films via electrodeposition for hydrogen evolution reaction","authors":"Akshay Kumar Sonwane ,&nbsp;Lokanath Mohapatra ,&nbsp;Sonali Samal ,&nbsp;Tushar Chauhan ,&nbsp;Ritunesh Kumar ,&nbsp;Irina Alexandrovna Kurzina ,&nbsp;Mariya Petrovna Shcherbakova-Sandu ,&nbsp;Semyon Andreevich Gulevich ,&nbsp;Ajay K. Kushwaha","doi":"10.1016/j.electacta.2025.147418","DOIUrl":"10.1016/j.electacta.2025.147418","url":null,"abstract":"<div><div>Compositionally tuned Ni-Co-Fe alloy films with iron (Fe) concentration from 1 to 14 at% are electrodeposited on stainless steel. The effect of iron addition to Ni-Co alloy on electrocatalytic hydrogen evolution reaction (HER) is studied in 1 M KOH. Iron (Fe) is incorporated to lower the nickel (Ni) content from ∼45 at% to ∼31 at% in Ni-Co alloys, resulting in notable changes in structural, morphological, and electronic properties. Structural and morphological analysis confirm that the Ni-Co-Fe (Fe = 4 at%) alloy film possesses the highest crystallinity with a larger grain size among the other electrodeposited alloy films. Fe appears in mixed valence states (Fe²⁺/Fe³⁺), while shifts in Ni 2p and Co 2p binding energies suggest strong electronic interactions and enhanced charge delocalization. The Ni-Co-Fe alloy film with 4 at% of iron demonstrates better electrocatalytic performance with a lower overpotential value than other compositions. The Ni-Co-Fe (Fe = 4 at%) alloy film exhibits the lowest charge transfer resistance, along with superior electrochemical surface area, roughness, and wettability among the electrodeposited alloy films. The Ni-Co-Fe alloy film with 4 at% Fe exhibits stable performance toward the hydrogen evolution reaction (HER). Thus, iron (Fe) can effectively substitute a significant amount of nickel (Ni) in Ni-Co alloys, enabling the development of cost-effective HER catalysts.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"542 ","pages":"Article 147418"},"PeriodicalIF":5.6,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A high-fidelity reduced-order modeling framework for accurate and real-time performance simulation of lead-acid batteries considering buoyancy-driven electrolyte stratification","authors":"Amir Babak Ansari ,&nbsp;Vahid Esfahanian ,&nbsp;Farschad Torabi","doi":"10.1016/j.electacta.2025.147412","DOIUrl":"10.1016/j.electacta.2025.147412","url":null,"abstract":"<div><div>The main contribution of this study is developing an efficient and high-fidelity reduced-order model (ROM) for accurate and real-time simulation of the complex electrochemical and hydrodynamic behavior of a two-dimensional flooded lead-acid battery cell during the charging process, particularly under free-convection effects. A computationally expensive full-order model based on finite-volume method (FVM) is developed to capture the system dynamics, while proper orthogonal decomposition (POD) combined with Galerkin projection is employed to derive the ROM. A detailed eigenvalue analysis determines that only 21 algebraic equations are needed compared to 16368 equations in FVM to capture 99.999 % of system energy, which significantly reduces the computational cost. A deep insights into the buoyancy-driven electrolyte stratification, velocity patterns, and dominant flow structures, especially during early charging stages are provided using comprehensive basis mode and temporal coefficient analyses. The results shows that the developed ROM accurately reproduces concentration, velocity, and voltage profiles across various operating conditions, validated against experimental data. With a computational speed-up factor of 86 compared to FVM while maintaining accuracy, the POD-based ROM proves to be a reliable and efficient tool for real-time simulation and analysis of complex battery systems influenced by natural convection.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"542 ","pages":"Article 147412"},"PeriodicalIF":5.6,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing TiO2+/Ti3+ redox kinetics by nitrogen-doped carbon nanofiber composite electrodes for titanium-cerium flow batteries","authors":"Shangwan Fu ,&nbsp;Ruochen Liu ,&nbsp;Chaohong Guan ,&nbsp;Yangyang Xie ,&nbsp;Yating Wu ,&nbsp;Yaobin Lai ,&nbsp;Jian Li ,&nbsp;Xuxia Zhang ,&nbsp;Xudong Liu ,&nbsp;Hui Zhang ,&nbsp;Tao Qi","doi":"10.1016/j.electacta.2025.147421","DOIUrl":"10.1016/j.electacta.2025.147421","url":null,"abstract":"<div><div>Titanium-cerium flow batteries have garnered significant attention in the energy storage field due to the high potential of the Ce⁴⁺/Ce³⁺ redox pair, the higher potential of the TiO²⁺/Ti³⁺ redox pair compared to the hydrogen evolution reaction potential, and the abundant reserves of titanium and cerium. However, traditional carbon felt (CF) electrodes have limited active sites and poor hydrophilicity, which restrain the redox kinetics of the TiO²⁺/Ti³⁺ redox pair. To address this, we built a 3D nitrogen-doped carbon nanofiber composite electrode (N-CNF/CF) based on carbon felt. The nitrogen-doped functional group of N-CNF/CF electrode with high specific surface area significantly improves contact between electrolyte and electrode and electron transfer, thus enhances the TiO²⁺/Ti³⁺ reaction kinetics and exhibits excellent electrochemical stability. Also, DFT calculations uncover that N-doped modulates the electron transfer and enhances the titanium adsorption. After 200 cycles, the average voltage efficiency and energy efficiency remain at 85.9 % and 84.06 %, respectively, representing a significant improvement over the CF electrode; the average discharge capacity also increases by 14 %. Additionally, under conditions of 0.75 M active material, the capacity and efficiency decay over 30 days is negligible. This study demonstrates that the N-CNF/CF composite electrode holds great promise for practical applications in titanium-cerium flow batteries.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"542 ","pages":"Article 147421"},"PeriodicalIF":5.6,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Novel porous titanium nitride microelectrode for selective detection of Zn2+ ion by electroanalytical method","authors":"Marysteven Uchegbu, Nizar Ben Moussa, Lionel Rousseau, Gaelle Lissorgues","doi":"10.1016/j.electacta.2025.147411","DOIUrl":"https://doi.org/10.1016/j.electacta.2025.147411","url":null,"abstract":"Reliable detection of heavy metal ions (HMIs) at trace levels is crucial for environmental and agricultural monitoring. Zinc (Zn²⁺) while essential for plant health, becomes phytotoxic at elevated levels as plants are prone to accumulate an excess rather than deficit. Excess Zn²⁺ in irrigation water, poses environmental risk and directly threatens plant health which plays a pivotal role in sustaining ecosystems stability and agricultural productivity. Since early and reliable monitoring of zinc levels is important in the ecosystem, developing a highly efficient, stable and low cost detection platform is a research priority. Existing Zn²⁺ ion detection platforms, face limitations in terms of stability and selectivity over prolonged use. Here, we present a porous transition metal nitride sensor that exhibits remarkable electrochemical stability and selectivity for Zn²⁺. This was attained without any modification, functionalization or reliance on precious metals. This notable performance was achieved using a novel material called porous titanium nitride thin film (p-TiN). The proposed sensor was characterized by Scanning electron microscopy (SEM), Cyclic voltammetry (CV), Electrochemical impedance spectroscopy (EIS), Chronocoulometry (CC), and Linear sweep anodic stripping voltammetry (LSASV). Its electrochemical response was linear in the concentration range of 10-100µM, and the limit of detection (LOD) incorporating Bessel’s correction, was calculated as 2.65µM, a value well below the FAO’s permissible limit of 30.6µM for zinc in irrigation water. Additionally, the porous TiN microelectrode exhibit mixed control mechanism, high sensitivity (4µA/µM^. cm^-2) and a stable reproducible response to Zn²⁺ for a duration of over 45 days. By contrast, conventional TiN showed no HMI sensing activity. These findings suggest that HMI sensors based on such an inexpensive porous thin film material, can be leading candidates for sustainable environmental and agricultural technologies.","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"19 1","pages":""},"PeriodicalIF":6.6,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145072058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In situ synthesis of a V2O3/biomass cotton-derived carbon composite for aqueous magnesium-ion batteries","authors":"Cheng Yang,&nbsp;Zubang Liu,&nbsp;Haining You,&nbsp;Xiaolei Sun,&nbsp;Yongkang Liu,&nbsp;Yaxiong Tian,&nbsp;Yuanli Liu","doi":"10.1016/j.electacta.2025.147406","DOIUrl":"10.1016/j.electacta.2025.147406","url":null,"abstract":"<div><div>Vanadium trioxide (V₂O₃) shows potential as a cathode material for aqueous magnesium-ion batteries due to its high theoretical specific capacity. However, its low specific surface area, low electrical conductivity, and poor cycling stability limit its practical application. In this work, the V₂O₃ was successfully grown on the surface of carbonized cotton fibers (V₂O₃-C) via a hydrothermal carbonization method. The introduction of cotton-derived carbon can enhance the conductivity of V₂O₃-C and serve as a supporting scaffold, providing anchoring sites for V₂O₃. Furthermore, the nanorod/nanofiber structure provides high porosity and large surface area, which increases the electrode-electrolyte interface and facilitating rapid ion transport. The abundant -OH in cotton fibers anchor V via coordinate bonds, preventing vanadium dissolution and dramatically improving cycling stability as an AMIBs cathode. Thus, the composite shows 215 mAh g^-1 at 0.05 A g^-1 and maintains a 98.8 % retention rate after 500 cycles at 2 A g^-1. Notably, ex situ analysis confirms the charge storage mechanism is primarily Mg²⁺ intercalation/deintercalation. Furthermore, The V₂O₃-C//PTCDA full battery exhibits exceptional cycling performance with the 89.5 % capacity retention after 1400 cycles at 0.5 A g^-1. This study demonstrates the promise of combining biomass-derived materials with V₂O₃-C for high-efficiency AMIBs.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"542 ","pages":"Article 147406"},"PeriodicalIF":5.6,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multiple-reaction kinetics of composite electrodes for sulfide-based all-solid-state batteries: Impedance decoupling","authors":"Siwon Kim ,&nbsp;Junhee Kang ,&nbsp;Jae Hyun Park ,&nbsp;Jong-Won Lee","doi":"10.1016/j.electacta.2025.147413","DOIUrl":"10.1016/j.electacta.2025.147413","url":null,"abstract":"<div><div>All-solid-state batteries (ASSBs) have garnered considerable attention as next-generation energy-storage systems owing to their safety. In ASSBs, composite electrodes comprising solid electrolytes, active materials, and conductive additives are employed to increase the electrochemically active surface and ensure the Li⁺/electron pathways. Composite electrodes consist of numerous solid–solid contact interfaces and exhibit interfacial side reactions that inhibit charge transfer. Thus, a comprehensive analysis of their electrochemical processes is necessary to develop high-performance ASSBs. Herein, we demonstrate the quantitative analyses of the multiple-reaction kinetics in a solid composite electrode for ASSBs with state-of-the-art Li₆PS₅Cl electrolytes and LiNi_0.8Co_0.1Mn_0.1O₂ active materials using modified transmission line models based on networks of distributed impedance elements. Firstly, model simulations are conducted with different boundary conditions and circuit elements to investigate the impedance responses of electrodes. The circuit elements represent the interfacial and charge/atom transport processes, namely, Li⁺/electron transport, charge transfer, double-layer charging, and diffusion in the active material. Secondly, for quantitative experimental analyses, two model cells (i.e., symmetric cells and full cells) are fabricated with various electrode formulations, and their impedance spectra are measured as a function of temperature. Kinetic parameters are determined using the appropriate equivalent circuit models to elucidate the effects of electrode formulation and operating conditions on electrochemical performance. Finally, the interplay between the kinetics of ionic transport and interfacial reaction is discussed based on measurements using uncoated active materials and halide electrolytes. Thus, this study affords insights into the electrochemical processes of ASSBs and guidelines for quantitative analyses via the impedance decoupling method.</div></div>","PeriodicalId":305,"journal":{"name":"Electrochimica Acta","volume":"542 ","pages":"Article 147413"},"PeriodicalIF":5.6,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145078466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}