Solid State Ionics最新文献

{"title":"High conductivity of a fuel cell through a hydrogen bond network within an interpenetrating anion exchange membrane","authors":"Tianxin Zhao,&nbsp;Lulu Wang,&nbsp;Yang Zhang,&nbsp;Fan Zhang,&nbsp;Jilin Wang","doi":"10.1016/j.ssi.2024.116711","DOIUrl":"10.1016/j.ssi.2024.116711","url":null,"abstract":"<div><div>A series of anion exchange membranes (AEMs) with highly ion conductivity suitable for practical application in fuel cells were prepared in this paper. Polysulfone (PSf) was used as backbone to prepare chloromethylation polysulfone (CMPSf). Then the synthesized CMPSf was blended with tetramethyldiaminopropane (TMPDA) and polyethylene glycol (PEG 400), to construct interpenetrating polymer networks with hydrogen-bonding conduction sites. In this paper the chemical structure of the AEM is confirmed by nuclear magnetic resonance spectrum (¹H NMR) spectroscopy and fourier transform infrared spectroscopy (FT-IR). The morphologies of synthesized membranes in this paper are investigated by scanning electron microscopy (SEM) and atomic force microscopy (AFM). The electrochemical and physical properties of AEMs are tested comprising water uptake (WU), ion exchange capacity (IEC), alkaline stability, thermal stability and mechanical stability. The introduction of hydrogen-bonding networks enhanced the OH⁻ conductivity of the membranes (from 37.03 mS·cm⁻¹ of QAPSf-PEG_0% to 104.67 mS·cm⁻¹ of QAPSf-PEG_30%). The interpenetrating polymer networks make the membranes have good mechanical property (tensile strengh is 19.61 MPa, elongation at break is 20.30 %) and anti-swelling properties (29.3 %, 80 °C). Due to the introduction of hydrogen-bonding conduction networks, the alkaline stability of the AEMs can be enhanced by reducing the modification of the polysulfone backbone. Thus, even after soaking in 6 mol·L⁻¹ KOH solution for 30 days, the retained OH⁻ conductivity of QAPSf-PEG₃_0% still reached 92.0 %. At the same time, the addition of PEG leads to the increased water uptake, so that the OH⁻ ions could be better transported. And the single cell performance of QAPSf-PEG_30% was also revealed that the power density increases significantly from 323.35 mW·cm⁻² at 60 °C to 514.8 mW·cm⁻² at 80 °C as the temperature increases. Overall, QAPSf-PEG_30% exhibits promising development potential in the fuel cells.</div></div>","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116711"},"PeriodicalIF":3.0,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142441523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Lowering the sintering temperature of LiCoO2 using LiOH aqueous solution","authors":"K. Mitsuishi ,&nbsp;T. Ohnishi ,&nbsp;K. Niitsu ,&nbsp;T. Masuda ,&nbsp;S. Miyoshi ,&nbsp;K. Takada","doi":"10.1016/j.ssi.2024.116717","DOIUrl":"10.1016/j.ssi.2024.116717","url":null,"abstract":"<div><div>For realizing oxide-based all-solid-state lithium-ion batteries, lowering sintering temperature of LiCoO₂ cathode during battery fabrication is important subject to prevent undesired chemical reaction with other constituent substances. Here we report that the addition of LiOH aqueous solution to the LiCoO₂ powder upon sintering improves the battery performance. Comparative study for the samples with and without LiOH solution, and with pure water by <em>in situ</em> transmission electron microscopy reveals that the liquid phase appears at much lower temperatures for the sample with the LiOH addition that improves the connectivity of LiCoO₂ particles.</div></div>","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116717"},"PeriodicalIF":3.0,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142441522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The electrical conductive properties analysis of ytterbium doped calcium zirconate proton conductor solid electrolyte based on crystal defect chemistry","authors":"Fei Ruan,&nbsp;Chonggui Lei,&nbsp;Xi Wu,&nbsp;Jinxiao Bao,&nbsp;Fen Zhou,&nbsp;Jianquan Gao,&nbsp;Guoqi Liu","doi":"10.1016/j.ssi.2024.116712","DOIUrl":"10.1016/j.ssi.2024.116712","url":null,"abstract":"<div><div>Zr-site doped CaZrO₃ is a promising high temperature proton conductor solid electrolyte material used for metal melt hydrogen sensor. To understand the electrochemical properties of ytterbium doped calcium zirconate electrolyte in more detail, the CaZr_{1<em>−x</em>}Yb_<em>x</em>O_{3<em>−α</em>} (<em>x</em> = 0, 0.025, 0.05, 0.075 and 0.1, hereafter named CZY) solid electrolyte specimens were prepared by use of high temperature solid state reaction process. The structure of the electrolyte samples was characterized by Raman spectrum, XRD and SEM. The densities of the specimens were measured based on Archimedes method. The electrical conductivities of the CZY specimens were measured at the temperature of 573–1373 K in hydrogen-rich or oxygen-rich atmosphere by the two-terminal AC impedance spectroscopy method. The H/D isotope effect of the CZY electrolyte at 973–1373 K was tested to clarify the dominant conducting carrier in predetermined temperature and atmosphere. It is demonstrated that proton is the predominant charge carrier both in oxygen-rich and hydrogen-rich atmosphere at the lower temperature below 1073 K. However, at higher temperature above 1073 K, the dominant charge carrier seems to be to be electron hole in oxygen-rich atmosphere, whereas, oxygen ion vacancy in hydrogen-rich based on the analysis of the atmospheric dependence of the electrical conductivity and the H/D isotope effect. Besides, partial conductivities of conducting species(such as interstitial proton, electron hole and oxygen ion vacancy), the active doping amount of ytterbium and the standard Gibbs free energy changes for interstitial proton production by dissolution of water and hydrogen in the CZY electrolyte were estimated based on crystal defect chemistry theory.</div></div>","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116712"},"PeriodicalIF":3.0,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tracer diffusion coefficient measurements on NASICON-type Lithium-ion conductor LAGP using neutron radiography between 25 °C and 500 °C","authors":"Honoka Takagi ,&nbsp;Takeshi Yabutsuka ,&nbsp;Hirotoshi Hayashida ,&nbsp;Fangzhou Song ,&nbsp;Tetsuya Kai ,&nbsp;Takenao Shinohara ,&nbsp;Keisuke Kurita ,&nbsp;Hiroshi Iikura ,&nbsp;Norio Yamamoto ,&nbsp;Minoru Nakajima ,&nbsp;Shigeomi Takai","doi":"10.1016/j.ssi.2024.116716","DOIUrl":"10.1016/j.ssi.2024.116716","url":null,"abstract":"<div><div>Tracer diffusion coefficients of lithium-ions in the sintered samples of Li_1.5Al_0.5Ge_1.5(PO₄)₃ (LAGP) have been measured through the neutron radiography (NR) technique in the wide temperature range from 25 °C to 500 °C. The diffusion data above and below 300 °C were collected using pulsed and reactor-generated neutrons, respectively, which coincide with each other at 300 °C exhibiting a single curve in the Arrhenius plot. The room-temperature diffusion coefficient and the activation energy below 300 °C are obtained as 1.47 × 10⁻⁹ cm² s⁻¹ and 0.37 eV, respectively. The activation energy of the conductivity diffusion coefficient almost agrees with the tracer one, and the deduced Haven ratio of 0.40 is consistent with the concerted migration model of the lithium-ions.</div></div>","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116716"},"PeriodicalIF":3.0,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preparation of lithium iron phosphate with superior electrochemical performances from titanium white by-product ferrous sulfate","authors":"Pengsen Wu ,&nbsp;Longfei Zhao ,&nbsp;Yang Wang ,&nbsp;Jiajia Ge ,&nbsp;Zijin Li ,&nbsp;Zhenzhen Li ,&nbsp;Guanzhou Qiu","doi":"10.1016/j.ssi.2024.116715","DOIUrl":"10.1016/j.ssi.2024.116715","url":null,"abstract":"<div><div>In this paper, FePO₄∙2H₂O and FePO₄ have been successfully accomplished by utilizing titanium white by-product ferrous sulfate via two-step synthesis method, which is further employed to react with Li₂CO₃ via carbothermal reduction to prepare LiFePO₄ cathode materials. The composition and structure characteristics of obtained samples are studied in detail by TG-DSC, XRD, XPS, FESEM and TEM, and the electrochemical performances of prepared LiFePO₄ are also carefully investigated. The results indicate that the discharge specific capacity of LiFePO₄ synthesized from FePO₄ achieves 162.4 and 153.7 mAh∙g⁻¹ at 0.1C and 1C, which is 2.2 and 2.9 mAh∙g⁻¹ higher than that from FePO₄∙2H₂O, and the capacity retention rate reaches as high as 97.5 % after 450 cycles at 1C, correspondingly 94.8 % for LiFePO₄ from FePO₄∙2H₂O. It is mainly ascribed to the smaller particle size of LiFePO₄ synthesized from FePO₄, and the intimately ordered interface structure between the carbon layer and LiFePO₄, which greatly promotes the migration of lithium ions in the lithiation and delithiation process.</div></div>","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116715"},"PeriodicalIF":3.0,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142423114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Data refinement for enhanced ionic conductivity prediction in garnet-type solid-state electrolytes","authors":"Zakaria Kharbouch ,&nbsp;Mustapha Bouchaara ,&nbsp;Fadila Elkouihen ,&nbsp;Abderrahmane Habbal ,&nbsp;Ahmed Ratnani ,&nbsp;Abdessamad Faik","doi":"10.1016/j.ssi.2024.116713","DOIUrl":"10.1016/j.ssi.2024.116713","url":null,"abstract":"<div><div>The demand for advanced energy storage drives an urgency to accelerate material discovery in solid-state electrolytes. In pursuit of this aim, this study presents an innovative methodology that integrates materials science insights with machine learning techniques to improve the ionic conductivity prediction in garnet-based solid electrolytes. Utilizing an expanded dataset comprising 362 data points, and exploiting easily obtainable pre-synthesis inputs, our approach incorporates rigorous data preprocessing inspired by materials science and machine learning methodologies. Through systematic feature selection and hyperparameter tuning, the model achieved an improved R-squared value of 0.85. This study highlights the efficacy of the proposed approach and underscores the potential of machine learning in streamlining materials discovery and design for next-generation solid-state batteries.</div></div>","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116713"},"PeriodicalIF":3.0,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142423113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ultrasound-assisted sonochemical synthesis of M2P2O7 (M = Co, Mn) nanomaterials: Enhanced structural morphology and ionic conduction mechanism","authors":"Asma Hajji,&nbsp;Ahmed Souemti,&nbsp;Adel Megriche","doi":"10.1016/j.ssi.2024.116714","DOIUrl":"10.1016/j.ssi.2024.116714","url":null,"abstract":"<div><div>This study aimed to provide insight into how ultrasonic treatment affects microstructure, electrical properties, and physicochemical characteristics. Sonochemical ultrasound synthesis offers a distinct advantage over traditional methods by creating precise reaction conditions through acoustic cavitation. This process induces high temperatures and pressures in a liquid environment, facilitating the synthesis of materials with specific structures, sizes, and properties. In response to this capability, we developed low-cost M₂P₂O₇ (M = Co, Mn) phosphate materials known as CoP and MnP. The samples were analysed for their crystalline structure, surface morphology, and elemental composition via X-ray diffraction (XRD), transmission electron microscopy (TEM), and scanning electron microscopy (SEM).</div><div>The electrochemical performance of the samples was assessed via complex impedance spectroscopy methods. The results demonstrate that the samples exhibit excellent semiconductor behavior, indicating their potential for use in energy and catalytic applications.</div></div>","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116714"},"PeriodicalIF":3.0,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142423115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficient ether-free poly(p-terphenyl-isatin-dimethylfluorene) for proton exchange membrane water electrolysis","authors":"Jiawang Ma,&nbsp;Yajie Wang,&nbsp;Tao Ban,&nbsp;Song Liu,&nbsp;Maolian Guo,&nbsp;Xinxin Wang,&nbsp;Zihui Wang,&nbsp;Xiuling Zhu","doi":"10.1016/j.ssi.2024.116703","DOIUrl":"10.1016/j.ssi.2024.116703","url":null,"abstract":"<div><div>Proton exchange membrane (PEM) is an important component that affects the cost and cell performance of PEM water electrolysis (PEMWE). In this study, a series of ether-free poly(<em>p</em>-terphenyl-isatin- dimethylfluorene) (PID-x) polymers were synthesized by superacid-catalyzed Friedel-Crafts alkylation. The transparent PEMs of sulfonated poly(<em>p</em>-terphenyl-isatin- dimethylfluorene) (SPID-x) were prepared by the solution casting method. Introduction of dimethylfluorene groups enhances proton conductivity of PEMs while also preserving their high dimensional stability. The results indicate that the synthesized PID-x has excellent solubility in non-protic polar solvents. SPID-5, prepared with 5 % dimethylfluorene in the backbone structure exhibits a high conductivity of 0.176 S·cm⁻¹ at 80 °C (compared to 0.155 S·cm⁻¹ at 80 °C for Nafion115) and excellent dimensional stability, with a swelling ratio of only 10 % at 80 °C (compared to 20 % at 80 °C for Nafion115). In the water electrolysis cell performance test, SPID-25 achieved a current density of 167 mA·cm⁻² at 2.5 V, outperforming the commercial Nafion 211 (151 mA·cm⁻²) at a similar membrane thickness.</div></div>","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116703"},"PeriodicalIF":3.0,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142423116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Retraction Notice: Reaction/diffusion in the Au-In system","authors":"Michel Millares ,&nbsp;Bernard Pieraggi ,&nbsp;Elvire Lelievre","doi":"10.1016/j.ssi.2024.116686","DOIUrl":"10.1016/j.ssi.2024.116686","url":null,"abstract":"","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116686"},"PeriodicalIF":3.0,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142658763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 rapid pressureless sintering strategy for LLZTO ceramic solid electrolyte sheets prepared by tape casting","authors":"Heng Pan,&nbsp;Lingcong Fan,&nbsp;Yongxi Zhang,&nbsp;Lei Zhang,&nbsp;Ying Shi,&nbsp;Jianjun Xie,&nbsp;Fang Lei","doi":"10.1016/j.ssi.2024.116708","DOIUrl":"10.1016/j.ssi.2024.116708","url":null,"abstract":"<div><div>Garnet-type electrolytes are regarded as one of the most promising solid-state electrolytes (SSEs) for lithium-ion batteries due to their potential advantages in terms of energy density, electrochemical stability and safety. To achieve the maximum energy density, it is necessary to ensure that the electrolyte layer is as thin as possible. Nevertheless, thin sheet SSE is more challenging to sinter than pellet due to the greater lithium volatilization from the high surface/volume ratio. Garnet-type SSE (Li_6.5La₃Zr_1.5Ta_0.5O₁₂, LLZTO) green tape was prepared by the tape-casting technique. The effects of supporter, sintering temperature and dwell time on the relative density, microstructure and ionic conductivity of thin sheet were investigated. A ceramic SSE sheet with a thickness of 173 μm, a relative density of 97.2 %, an ionic conductivity of 2.02 × 10⁻⁴ S/cm at 25 °C and an activation energy of 0.25 eV, was achieved using a rapid pressureless sintering at 1250 °C for 25 min with a MgO supporter. This work offers insights into the practical production of LLZTO sheets.</div></div>","PeriodicalId":431,"journal":{"name":"Solid State Ionics","volume":"417 ","pages":"Article 116708"},"PeriodicalIF":3.0,"publicationDate":"2024-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142357886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}