Article
Materials Science, Ceramics
Javier Zamudio-Garcia, Lucia dos Santos-Gomez, Jose Manuel Porras-Vazquez, Enrique R. Losilla, David Marrero-Lopez
Summary: Nanocomposite electrodes of (Sr0.7Pr0.3)(0.95)TiO3 +/-delta-Ce0.9Gd0.1O1.95 were directly prepared on Zr0.82Y0.16O1.92 electrolytes by spray-pyrolysis deposition. Their properties were compared with those obtained by the traditional screen-printing powder method. The nanocomposite electrodes with reduced particle size achieved higher performance than the screen-printed electrodes, demonstrating the potential of directly preparing nanocomposite electrodes on the electrolyte surface.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Engineering, Chemical
Bayu Admasu Beshiwork, Birkneh Sirak Teketel, Xiaoyan Luo, Dong Tian, Quan Yang, Shiyue Zhu, Yonghong Chen, Bora Timurkutluk, Bin Lin
Summary: Yttria-stabilized zirconia (YSZ)-based symmetrical solid oxide fuel cells (SSOFCs) are a promising research direction that can reduce material and fabrication costs, improve thermomechanical compatibility, and enhance coking tolerance or sulfur poisoning. This study presents a new nanoengineering electrode strategy of infiltrating PrOx nano-catalyst into Pr0.6Sr0.4FeO3-delta (PrOx-PSF) electrode, which achieves superior output performance at intermediate temperature.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Physical
Liang Ma, Yi Wang, Wenyuan Li, Bo Guan, He Qi, Hanchen Tian, Lingfeng Zhou, Hector A. De Santiago, Xingbo Liu
Summary: This study demonstrates the high performance and redox-stability of a symmetrical solid oxide fuel cell (SOFC) based on (Ba0.5Sr0.5) (Mo0.1Fe0.9)O3-delta (BSMF) electrode and La0.8Sr0.2Ga0.8Mg0.2O3-delta (LSGM) electrolyte. The unique diffuse interface between BSMF and LSGM contributes to the enhanced performance of the BSMF electrode. The maximum power density achieved at 800 degrees C is 2.28 W/cm(2), the highest among redox-stable ceramic electrodes.
JOURNAL OF POWER SOURCES
(2021)
Article
Electrochemistry
Devanshi Gupta, Chen Cai, Gary M. Koenig
Summary: This study investigates the chemical redox reactions between redox shuttles and lithium-ion battery cathode materials, tracking the oxidation and reduction processes of solid materials over time using different ferrocene derivatives. Rate constants for chemical redox were extracted using two models, showing that redox shuttle-particle interactions play a role in the overall reaction rate.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Chemistry, Physical
Wei-Ja Shong, Chien-Kuo Liu, Wei-Xin Kao, Yung-Neng Cheng, Ruey-Yi Lee
Summary: The study focuses on the characteristics of AISI 441 stainless steel deposited with Mn, Co, and 10 wt% La-LSC powder mixtures for SOFC cathode contact materials. Comparison of microstructures of uncoated and coated steel after aging at 800 degrees C reveals different oxide scale spallation behaviors. Area specific resistance measurements show that Mn-Co-LSC mixtures have lower ASR values due to lower intrinsic resistivity and better contact with steel and LSCF wafer.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Hyebin Kim, Jihun Paick, Jung S. Yi, Doohwan Lee
Summary: Heteroatom doping can enhance the electrokinetics of vanadium redox reactions in flow batteries, but this study found that the enhancements observed by p-type and n-type doping are primarily due to surface lattice defects. However, p-n type boron-nitrogen co-doping shows exceptional catalytic activity and significantly improves the efficiency and energy storage capacity of vanadium redox flow batteries.
JOURNAL OF POWER SOURCES
(2023)
Article
Nanoscience & Nanotechnology
Zhe Sun, Keqi Qu, Jiahang Li, Shuai Yang, Bingnan Yuan, Zhanhua Huang, Zhanhu Guo
Summary: The study focuses on a self-template corncob porous carbon material with high oxygen and nitrogen content, exhibiting excellent capacitive performance and sewage treatment capability.
ADVANCED COMPOSITES AND HYBRID MATERIALS
(2021)
Article
Chemistry, Analytical
Jieqi Feng, Hao Lan, Qibin Tao, Wenqing Chen, Qizhou Dai
Summary: In this study, a novel NCNS-Ce-PbO2 electrode was successfully prepared and showed better electrochemical performance and pollutant removal ability compared to other electrodes.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Iranna Udachyan, Jayesh T. Bhanushali, Shanti G. Patra, Tomer Zidki, Amir Mizrahi, Dan Meyerstein
Summary: Nickel carbonate was electrodeposited on Pt and Pd electrode surfaces and characterized using various techniques. The electrodeposited Ni-2(CO3)(3)/Pt and Ni-2(CO3)(3)/Pd showed enhanced activity for methanol oxidation in KOH and Na2CO3 electrolytes. The Ni-2(CO3)(3)/Pt catalyst exhibited the highest forward scan peak current density of 19.8 mA cm(-2).
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Physical
Chunming Xu, Lihong Zhang, Wang Sun, Rongzheng Ren, Xiaoxia Yang, Minjian Ma, Jinshuo Qiao, Zhenhua Wang, Shuying Zhen, Kening Sun
Summary: In this study, a novel anode material SFMT is designed and prepared by replacing molybdenum with titanium. The SFMT exhibits enhanced resistance to H2S corrosion and improved oxygen ion exchange and diffusion capabilities. The SFMT-based SOFC demonstrates excellent power output and stability in the presence of H2S, making it a promising material for high-performance SOFC anodes.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Materials Science, Ceramics
Dongyoung Kim, Seung Jae Son, Minseok Kim, Hee Jung Park, Jong Hoon Joo
Summary: The study reveals that PBF exhibits proton conductivity at intermediate temperatures and excellent performance and stability in symmetrical PCFCs, making it a promising alternative material.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Multidisciplinary
Abdulcabbar Yavuz, Murat Artan, Necip Fazil Yilmaz
Summary: In this research, symmetrical and inexpensive flexible electrodes were fabricated using Ethaline deep eutectic solvent (DES) on a graphite substrate. The growth potentials in DES and cycling performance of Fe and Ni-based films in KOH were investigated. The modified electrodes had distinct redox peaks and can be used as both positive and negative electrodes without mutual interference. The maximum areal capacitance of Fe-Ni alloy electrodes reached 79.6 mF cm(-2).
JOURNAL OF MATERIALS RESEARCH
(2023)
Article
Chemistry, Physical
Yang Zhang, Hailei Zhao, Min Zhang, Tianrang Yang, Zhihong Du
Summary: This study proposes a high-performance symmetric electrode material, SBMTi, which exhibits excellent structural stability and catalytic activity. The doping of titanium significantly enhances the material's performance, making it a promising candidate for fuel cells.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Electrochemistry
Dmitry V. Matyushov
Summary: Protein fold and slow relaxation times restrict the configurations sampled by the protein during electron transfer process. Incomplete sampling leads to violation of fluctuation-dissipation relations in traditional theories, reducing the effective reorganization energy and resulting in lower barriers and faster rates (catalytic effect). Electrochemical kinetic measurements support low activation barriers for protein electron transfer. The rate constant's dependence on distance shows a crossover from a plateau at short distances to a long-distance exponential decay, which is controlled by protein dynamics.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Environmental Sciences
Xiaoju Wu, Jiamin Yang, Shangyan Liu, Zhiwei He, Yaoyao Wang, Wenxiu Qin, Youbin Si
Summary: This paper investigated the oxidation-reduction reactions of iron-bearing minerals during the migration and conversion of arsenic in the environment, and found that Fe(II) plays a vital role in the generation of reactive oxygen species (ROS) in pyrite. The results showed that the addition of Fe(II) significantly enhanced the removal efficiency of As(III) by pyrite. It was also observed that neutral pH is favorable for the oxidation of As(III) and removal of total arsenic. Additionally, O-2(center dot-) and center dot OH were identified as the main contributors to As(III) oxidation, while Fe(IV) played a minor role.
Article
Chemistry, Physical
D. M. Zakharov, E. S. Tropin, D. A. Osinkin, A. S. Farlenkov, N. M. Porotnikova, M. Ananyev
Summary: Ni-Zr0.82Y0.18O1.91 (YSZ) and Ni-La0.90Sr0.10ScO2.95 (LSS) cermets were studied for solid oxide and protonic ceramic electrochemical cells using H/D isotope exchange method. Three parallel channels of hydrogen surface exchange were found in both cermets, with the mechanism being temperature independent in Ni-YSZ but more complex in Ni-LSS at lower temperatures. Hydrogen spillover was identified as the rate-determining step in both cermets. The mechanism of hydrogen oxidation on the Ni-LSS electrode differed from that of the Ni-YSZ electrode, changing with temperature and more complex at lower temperatures.
JOURNAL OF POWER SOURCES
(2022)
Article
Chemistry, Physical
D. A. Osinkin, A. V. Khodimchuk, E. P. Antonova, N. M. Bogdanovich
Summary: This paper presents the results of studies of the electrochemical reaction of oxygen reduction on Sr2Fe1.5Mo0.5O6-delta and Sr-deficient Sr1.95Fe1.5Mo0.5O6-delta for solid state electrochemical devices. The study found that strontium deficiency has a positive effect on the electrochemical activity of the electrodes. Additionally, a quantitative correlation for the surface oxygen exchange and diffusion coefficients was demonstrated for Sr2Fe1.5Mo0.5O6-delta for the first time.
SOLID STATE IONICS
(2022)
Article
Chemistry, Applied
Denis Osinkin, Evgeniy Tropin
Summary: This paper presents the test results of an electrochemical cell for electricity generation, hydrogen separation, and high-purity hydrogen production. The cell shows promising performance in terms of hydrogen flow rates and has potential applications in hydrogen production.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Vladislav A. Sadykov, Nikita F. Eremeev, Ekaterina M. Sadovskaya, Anna Shlyakhtina, Elena Yu Pikalova, Denis A. Osinkin, Aleksey A. Yaremchenko
Summary: Advancements in material design for solid oxide fuel cells, oxygen and hydrogen separation membranes, and catalysts for biofuel conversion have led to the development of more efficient cathodes and anodes, highly permeable membranes, and structured catalysts with nanocompositeactive components, demonstrating improved performance and stability in biofuel reforming processes.
CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY
(2022)
Article
Energy & Fuels
Denis A. Osinkin, Ekaterina P. Antonova, Natalia M. Porotnikova, Nina M. Bogdanovich
Summary: The hydrogen oxidation reaction was studied on different composite electrodes in contact with proton-conducting electrolytes. The presence of proton-conducting phase and exsolved nickel particles increased the electrochemical activity.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Chemistry, Physical
D. A. Osinkin
Summary: This study presents the results of tests on different types of electrochemical cells, focusing on the impedance spectra analysis of fuel cells using the distribution of relaxation times (DRT) technique. By comparing the data obtained with symmetrical cells and using simple oxides with high electrochemical activity for electrode impregnation, the polarization resistance of the cathode and anode of the fuel cell can be determined separately, along with the reasons limiting the power of the cells. It was found that gas diffusion in the pores of the anode primarily limits the performance of high-performance fuel cells.
JOURNAL OF POWER SOURCES
(2022)
Article
Chemistry, Physical
Natalia M. Porotnikova, Maxim Ananyev, Denis A. Osinkin, Anna Khodimchuk, Andrey Fetisov, Andrey S. Farlenkov, Anatoli Popov
Summary: This paper investigates a highly oxygen-conducting material and examines its structural characteristics, electrical conductivity, and oxygen exchange rate. The influence of a thin layer of strontium molybdate on the surface and between the grains of polycrystalline strontium ferrite-molybdates on oxygen surface exchange and diffusivity is also considered.
SURFACES AND INTERFACES
(2022)
Article
Materials Science, Ceramics
Mariia S. Koroleva, Aleksei G. Krasnov, Denis A. Osinkin, Dina G. Kellerman, Andrey S. Stoporev, Irina V. Piir
Summary: This work investigates the structure and properties of synthesized Bi1.6Mg0.8-xCuxNb1.6O7-delta semiconductors and their Li-doped compositions. The preferential location of Cu and Li atoms at certain sites and Mg atoms at others is revealed through various diffraction methods and calculations. The materials exhibit weak antiferromagnetic exchange interactions, high mixed electronic-ionic conductivity, and compatibility with other compounds, suggesting their potential use in composite electrodes for enhanced oxygen conductivity.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
N. M. Porotnikova, A. V. Khodimchuk, D. M. Zakharov, N. M. Bogdanovich, D. A. Osinkin
Summary: The interaction mechanism between gaseous oxygen and Sr1.95Fe1.4Ni0.1Mo0.5O6-delta, a promising material for SOFC cathodes, was investigated using two isotopic methods. The results provided a better understanding of the processes and brought the experimental conditions closer to real operating conditions. The concentration of labeled oxygen and various kinetic parameters were calculated, showing good agreement between the two methods. The effects of modifying the material by introducing deficiency and doping were also discussed.
APPLIED SURFACE SCIENCE
(2023)
Article
Green & Sustainable Science & Technology
B. V. Politov, E. P. Antonova, E. S. Tropin, D. A. Osinkin, V. L. Kozhevnikov, A. Yu. Suntsov
Summary: We investigate the electrochemical behavior of a fuel cell made of perovskite like oxides, including LSGM supporting electrolyte, PBCG cathode, and SFNM anode. The DRT method shows that the oxygen reduction rate at the PBCG cathode is faster than the hydrogen oxidation rate at the SFNM anode. Both cathode and anode processes are fast, limiting the cell efficiency only by the electrolyte thickness. The cell with a 450 μm LSGM support exhibits a power density of about 0.7 W cm-2 at 800℃ under wet hydrogen/air feed.
Article
Biochemistry & Molecular Biology
Denis Osinkin, Nina Bogdanovich
Summary: Strontium and cobalt-free LaNi0.6Fe0.4O3-d is a promising electrode for solid-state electrochemical devices, with high electrical conductivity, suitable thermal expansion coefficient, tolerance to chromium poisoning, and chemical compatibility with zirconia-based electrolytes. However, its disadvantage is the low oxygen-ion conductivity. To increase the conductivity, a complex oxide based on doped ceria is added, which decreases the electrode's conductivity. Therefore, a two-layer electrode with sintering additives is recommended.
Article
Chemistry, Physical
D. A. Osinkin, D. M. Zakharov, A. V. Khodimchuk, E. P. Antonova, N. M. Bogdanovich, E. V. Gordeev, A. Yu. Suntsov, N. M. Porotnikova
Summary: The complex oxide Sr1.95Fe1.4Ni0.1Mo0.5O6-x-5(Fx), with different values of x, was studied as a potential electrode material for electrochemical devices. The addition of a fluorine-containing precursor increased the unit cell parameter of the synthesized materials. It was confirmed that there were no traces of fluorine in the sintered oxides, and it was suggested that the use of a fluorine-containing precursor could enhance the oxide's functional characteristics.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
E. A. Il'ina, D. A. Osinkin
Summary: Solid electrolytes based on Li7La3Zr2O12 show promise as membranes for all-solid-state batteries. Conventional impedance fitting cannot accurately determine the main parameters of all transport stages in composite and doped Li7La3Zr2O12. The distribution of relaxation times (DRT) method has proven to be a valuable tool for analyzing impedance spectra. In this study, a composite electrolyte Li7La3Zr2O12 - Li2O-B2O3-SiO2 was investigated using impedance spectroscopy. The DRT analysis showed that the introduction of glass leads to the appearance of an additional peak on the DRT function, which represents the interfacial resistance responsible for lithium ion transfer across the Li7La3Zr2O12/glass interface. The DRT technique was successfully used to determine the resistance, capacitance, and relaxation frequency of all transport stages in the composite electrolytes.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
D. A. Osinkin
Summary: Nickel-ceramic composites are commonly used materials for solid oxide fuel cell anodes. The electrochemical activity of these composites can be improved by increasing the triple phase boundary length or impregnating with ceria. This study investigated highly active Ni-ceramic electrodes with different dispersion made from NiO and Zr0.84Sc0.16O1.92 powders and impregnation with ceria. The analysis using the distribution of relaxation times method revealed that the hydrogen oxidation rate in electrodes with low porosity is limited by two parallel gas diffusion processes in the same frequency range.
JOURNAL OF POWER SOURCES
(2023)
Article
Biochemistry & Molecular Biology
Natalia Porotnikova, Dmitriy Zakharov, Anna Khodimchuk, Edhem Kurumchin, Denis Osinkin
Summary: This article investigates the oxygen exchange mechanism between the mixed ionic and electronic oxide LaNi0.6Fe0.4O3-delta and oxygen, using two isotopic methods. The kinetic dependence of the oxygen/oxide interaction is determined and the oxygen exchange rate and diffusion coefficient are calculated. The differences in the mechanisms of oxygen exchange and diffusion on dense and powder samples are discussed.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Chemistry, Physical
Tianyu Chen, Zhibin Lu, Guangjin Zeng, Yongmin Xie, Jie Xiao, Zhifeng Xu
Summary: The study introduces a high-performance LSGM electrolyte-supported tubular DC-SOFC stack for portable applications, which shows great potential in developing into high-performing, efficient, and environmentally friendly portable power sources for distributed applications.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Wenbin Tong, Yili Chen, Shijie Gong, Shaokun Zhu, Jie Tian, Jiaqian Qin, Wenyong Chen, Shuanghong Chen
Summary: In this study, a three-dimensional porous NiO interface layer with enhanced anode dynamics is fabricated, forming a Schottky contact with the zinc substrate, allowing rapid and uniform zinc plating both inside and below the interface layer. The resulting NiO@Zn exhibits exceptional stability and high capacity retention.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Yafeng Bai, Kaidi Li, Liying Wang, Yang Gao, Xuesong Li, Xijia Yang, Wei Lu
Summary: In this study, a flexible zinc ion supercapacitor with gel electrolytes, porous alpha-MnO2@reduced graphene oxide cathode, and activated carbon/carbon cloth anode was developed. The device exhibits excellent electrochemical performance and stability, even at low temperatures, with a high cycle retention rate after 5000 cycles.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Anmol Jnawali, Matt D. R. Kok, Francesco Iacoviello, Daniel J. L. Brett, Paul R. Shearing
Summary: This article presents the results of a systematic study on the electrochemical performance and mechanical changes in two types of commercial batteries with different anode chemistry. The study reveals that the swelling of anode layers in batteries with silicon-based components causes deformations in the jelly roll structure, but the presence of a small percentage of silicon does not significantly impact the cycling performance of the cells within the relevant state-of-health range for electric vehicles (EVs). The research suggests that there is room for improving the cell capacities by increasing the silicon loading in composite anodes to meet the increasing demands on EVs.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Yohandys A. Zulueta, My Phuong Pham-Ho, Minh Tho Nguyen
Summary: Advanced atomistic simulations were used to study ion transport in the Na- and K-doped lithium disilicate Li2Si2O5. The results showed that Na and K doping significantly enhanced Li ion diffusion and conduction in the material.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Zongying Han, Hui Dong, Yanru Yang, Hao Yu, Zhibin Yang
Summary: An efficient phase inversion-impregnation approach is developed to fabricate BaO-decorated Ni8 mol% YSZ anode-supported tubular solid oxide fuel cells (SOFCs) with anti-coking properties. BaO nanoislands are successfully introduced inside the Ni-YSZ anode, leading to higher peak power densities and improved stability in methane fuel. Density functional theory calculations suggest that the loading of BaO nanoislands facilitates carbon elimination by capturing and dissociating H2O molecules to generate OH.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Suresh Mamidi, Dan Na, Baeksang Yoon, Henu Sharma, Anil D. Pathak, Kisor Kumar Sahu, Dae Young Lee, Cheul-Ro Lee, Inseok Seo
Summary: Li-CO2 batteries, which utilize CO2 and have a high energy density, are hindered in practical applications due to slow kinetics and safety hazards. This study introduces a stable and highly conductive ceramic-based solid electrolyte and a metal-organic framework catalyst to improve the safety and performance of Li-CO2 batteries. The optimized Li-CO2 cell shows outstanding specific capacity and cycle life, and the post-cycling analysis reveals the degradation mechanism of the electrodes. First-principles calculations based on density functional theory are also performed to understand the interactions between the catalyst and the host electrode. This research demonstrates the potential of MOF cathode catalyst for stable operation in Li-CO2 batteries.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Ganghua Xiang, Zhihuan Qiu, Huilong Fei, Zhigang Liu, Shuangfeng Yin, Yuen Wu
Summary: In this study, a CeFeOx-supported Pt single atoms and subnanometric clusters catalyst was developed, which exhibits enhanced catalytic activity and stability for the preferential oxidation of CO in H2-rich stream through synergistic effect.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Dimitrios Chatzogiannakis, Marcus Fehse, Maria Angeles Cabanero, Natalia Romano, Ashley Black, Damien Saurel, M. Rosa Palacin, Montse Casas-Cabanas
Summary: By coupling electrochemical testing to operando synchrotron based X-ray absorption and powder diffraction experiments, blended positive electrodes consisting of LiMn2O4 spinel (LMO) and layered LiNi0.5Mn0.3Co0.2O2 (NMC) were studied to understand their redox mechanism. It was found that blending NMC with LMO can enhance energy density at high rates, with the blend containing 25% LMO showing the best performance. Testing with a special electrochemical setup revealed that the effective current load on each blend component can vary significantly from the nominal rate and also changes with SoC. Operando studies allowed monitoring of the oxidation state evolution and changes in crystal structure, in line with the expected behavior of individual components considering their electrochemical current loads.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Chiara Cementon, Daniel Dewar, Thrinathreddy Ramireddy, Michael Brennan, Alexey M. Glushenkov
Summary: This Perspective discusses the specific power and power density of lithium-ion capacitors, highlighting the fact that their power characteristics are often underestimated. Through analysis, it is found that lithium-ion capacitors can usually achieve power densities superior to electrochemical supercapacitors, making them excellent alternatives to supercapacitors.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Weihao Wang, Hao Yu, Li Ma, Youquan Zhang, Yuejiao Chen, Libao Chen, Guichao Kuang, Liangjun Zhou, Weifeng Wei
Summary: This study achieved an improved electrolyte with excellent low-temperature and high-voltage performance by regulating the Li+ solvation structure and highly concentrating it. The electrolyte exhibited outstanding oxidation potential and high ionic conductivity under low temperature and high voltage conditions, providing a promising approach for the practical application of high-voltage LIBs.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Martin Bures, Dan Gotz, Jiri Charvat, Milos Svoboda, Jaromir Pocedic, Juraj Kosek, Alexandr Zubov, Petr Mazur
Summary: Vanadium redox flow battery is a promising energy storage solution with long-term durability, non-flammability, and high overall efficiency. Researchers have developed a mathematical model to simulate the charge-discharge cycling of the battery, and found that hydraulic connection of electrolyte tanks is the most effective strategy to reduce capacity losses, achieving a 69% reduction.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
M. Rodriguez-Gomez, J. Campo, A. Orera, F. de La Fuente, J. Valenciano, H. Fricke, D. S. Hussey, Y. Chen, D. Yu, K. An, A. Larrea
Summary: In this study, we analysed the operando performance of industrial lead cells using neutron diffraction experiments. The experiments revealed the evolution of different phases in the positive electrode, showed significant inhomogeneity of phase distribution inside the electrode, and estimated the energy efficiency of the cells.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Jiawei Liu, Chenpeng Wang, Yue Yao, Hao Ye, Yinglong Liu, Yingli Liu, Xiaoru Xu, Zhicong Chen, Huazheng Yang, Gang Wu, Libin Lei, Chao Wang, Bo Liang
Summary: The study focuses on utilizing double conductive Ni-pads as anode collectors in micro-tubular solid oxide fuel cells. The simulation results show excellent performance and stability of DCNPs, and also highlight the potential applications in various fields.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Yang Wang, Kangjie Zhou, Lang Cui, Jiabing Mei, Shengnan Li, Le Li, Wei Fan, Longsheng Zhang, Tianxi Liu
Summary: This study presents a polyimide sandwiched separator (s-PIF) for improving the cycling stability of Li-metal batteries. The s-PIF separator exhibits superior mechanical property, electrolyte adsorption/retention and ion conductivity, and enables dendrite-free Li plating/stripping process.
JOURNAL OF POWER SOURCES
(2024)
