Article
Electrochemistry
Mariano Asteazaran, German Cespedes, Silvina Bengio, Ana Maria Castro Luna
Summary: One of the significant drawbacks of Direct Methanol Fuel Cells is high overpotential for the methanol oxidation reaction, as well as CO poisoning of Pt. In this study, electrocatalysts with suitable properties and outstanding performance have been developed by synthesizing PtCu and PtCuRu materials through a simple and scalable process. The materials were further treated to enhance their surface with a higher density of active sites and surface defects. The trimetallic catalysts showed a substantial reduction in CO electrooxidation and improved methanol oxidation performance.
JOURNAL OF APPLIED ELECTROCHEMISTRY
(2023)
Review
Chemistry, Physical
Wenhua Lou, Asad Ali, Pei Kang Shen
Summary: The recent development of Platinum-based nanomaterials introduced Aurum is important for direct methanol fuel cells as electrocatalysts, with studies showing that the performance of PtAu catalysts is affected by different elements, atomic ratios, and morphologies. The effects of Aurum on Pt-based nanocatalysts have attracted researchers' attention.
Article
Materials Science, Ceramics
Mohammad Bagher Askari, Parisa Salarizadeh, Antonio Di Bartolomeo, Mohammad Hassan Ramezan Zadeh, Hadi Beitollahi, Somayeh Tajik
Summary: The hybrid of MgCo2O4 with reduced graphene oxide (rGO) serves as an efficient and low-cost catalyst for the anode of direct methanol fuel cells (DMFC). The pivotal role of rGO in the structure of MgCo2O4-rGO catalyst was demonstrated through various tests, showing significantly improved power density. Practical single-cell tests confirmed the suitability of the proposed catalyst for DMFC applications, with power density enhancements observed with MgCo2O4-rGO-based anode compared to MgCo2O4-based anode.
CERAMICS INTERNATIONAL
(2021)
Review
Chemistry, Multidisciplinary
Suba Lakshmi Madaswamy, Asma A. Alothman, Murefah Mana AL-Anazy, Ahmad A. Ifseisi, Khadraa N. Alqahtani, Sendhil Kumar Natarajan, Subramania Angaiah, Dhanusuraman Ragupathy
Summary: Polyaniline plays a significant role in direct methanol fuel cells due to its high conductivity, unique redox properties, high flexibility, better solubility, reasonable stability, ease of synthesis, and low cost. This review discusses in detail the nanocomposites of polyaniline with other electrochemically active materials and nitrogen-doped carbon materials derived from PANI-based nanocomposites.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2021)
Review
Chemistry, Physical
Afdhal Yuda, Anchu Ashok, Anand Kumar
Summary: This paper reviews the synthesis of anode electrocatalysts for methanol oxidation reaction, with a focus on their activity and durability. It compares noble and non-noble metal catalysts and examines the effects of manipulating catalysts through various factors. It also discusses the challenges and approaches in making direct methanol fuel cells a reliable source of energy.
CATALYSIS REVIEWS-SCIENCE AND ENGINEERING
(2022)
Review
Chemistry, Multidisciplinary
Evan D. Visser, Ntalane S. Seroka, Lindiwe Khotseng
Summary: This review examines the applications of activated carbonaceous material as supports for electrocatalysts in fuel cells and discusses the various techniques used to produce these carbon materials. The paper also provides an overview of the architecture and operation principles of fuel cells, as well as the importance of support materials and their characteristics. However, the long-term instability of carbon-supported electrocatalysts due to corrosion remains a challenge, and the incorporation of nanostructured carbon supports in fuel cells still has limitations in terms of cost-effectiveness and efficiency.
Article
Engineering, Environmental
Dongtian Miao, Zhishen Li, Yinhao Chen, Guoshuai Liu, Zejun Deng, Yanglei Yu, Songbo Li, Kechao Zhou, Li Ma, Qiuping Wei
Summary: Boron-doped diamond (BDD) is considered an excellent electrode material, with a specific surface area being a crucial factor in its electrocatalytic performance. A 3D BDD structure, Cu/W/BDD, showed significantly higher electrochemical active surface area compared to a 2D planar structure, resulting in enhanced efficiency in removing tetracycline hydrochloride (TCH) and total organic carbon (TOC). The energy consumption and fluid dynamics of the 3D structure were identified as key factors in its superior degradation performance.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Weicong Li, Narayanamoorthy Bhuvanendran, Huiyuan Liu, Qian Xu, Khadijeh Hooshyari, Huaneng Su
Summary: In this work, ternary PtPdCo mesoporous nanospheres (MNs) were developed as an efficient electrocatalyst for methanol oxidation reaction (MOR). The physicochemical characterizations showed that PtPdCo MNs possessed abundant mesoporous channels, nanospheres assembly of tiny nanparticles, and strong interatomic interaction and synergistic effect. Electrochemical tests revealed superior MOR catalytic performance and durability of PtPdCo MNs compared to benchmark catalysts. This study represents a novel approach to reducing Pt costs while achieving high MOR performance.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Review
Materials Science, Multidisciplinary
Yuanhui Zuo, Wenchao Sheng, Wenquan Tao, Zhuo Li
Summary: One fundamental challenge in exploiting DMFCs is the preparation of inexpensive, high active electrocatalysts. There are mainly two types of dual-role electrocatalysts for MOR & ORR: Pt-support/co-catalyst (P-S/C) and catalyst/co-catalyst (C/C).
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Engineering, Environmental
Chao Yang, Yiang Fan, Pu Li, Qinfen Gu, Xiao-yan Li
Summary: The study developed novel freestanding and highly-stable 3D SnO2-Sb anodes with macro-pores, significantly increasing the electro-active surface area and improving the efficiency for antibiotic oxidation and mineralization. The anode exhibited high stability and performed well in treating actual wastewater.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Electrochemistry
Mansour Sadek, Hany M. Abd El-Lateef, Hossnia S. Mohran, Mahmoud Elrouby
Summary: Novel composite catalysts of nanostructured PtCo and PtNi alloys were fabricated on a coated glassy carbon electrode using an electrodeposition method, showing improved electrocatalytic behavior for methanol oxidation reaction. The morphology, chemical composition, and phase structure of the catalysts were investigated using SEM, EDAX, and XRD techniques. The effects of temperature, pH, and precursor concentration on the characteristics and electrocatalytic performance of the catalysts were well assessed.
ELECTROCHIMICA ACTA
(2021)
Article
Nanoscience & Nanotechnology
Pengyan Wei, E. Yifeng, Yuying Jiang, Peng Chen, Li Li, Kun Qian
Summary: The strategy of diatomic synergy is applied to in-situ synthesis of an electrode catalyst material for methanol fuel cells. The doped Bi and Mn atoms are highly dispersed on and immobilized into the SOD zeolite cage structure, forming the novel Bi/Mn/SOD composite catalyst. The composite electrode exhibits high activity and stability in the methanol oxidation reaction.
SCRIPTA MATERIALIA
(2022)
Article
Chemistry, Physical
Ying Yang, Huajie Huang, Cuizhen Yang, Haiyan He
Summary: In this study, a convenient and cost-effective method was proposed for the construction of high-performance Rh-decorated three-dimensional porous boron and nitrogen dual-doped graphene structure for methanol oxidation in fuel cells. This structure not only facilitates electrolyte transport and creates catalytically active sites, but also exhibits exceptional electrocatalytic performance with high surface area, specific activities, and long-term stability.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Chenjia Liang, Siyuan Zhao, Yingxuan Zhao, Yida Xu, Xianghao Wang, Qing Liu, Xiangke Guo, Nianhua Xue, Luming Peng, Weiping Ding
Summary: In order to promote the use of direct methanol fuel cells (DMFCs), a nest-type electrocatalyst with a Zn-Nx-C (ZNC) framework has been developed. The ZNC nest tightly surrounds the catalytic Pt centers, providing more practicality compared to a common Pt/C catalyst. The ZNC nest not only increases the concentration and stability of methanol at the catalytic centers, but also enhances the mass-specific and area-specific activity of the catalyst. This electrocatalyst shows better performance and stability compared to commercial Pt/C, and it is expected to contribute to the progress of DMFCs.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Suba Lakshmi Madaswamy, K. Vengadesan, Saikh Mohammad Wabaidur, Md Ataul Islam, Muthukrishnan Francklin Philips, Vasudevan Dhayalan, Ragupathy Dhanusuraman
Summary: A novel co-deposited nanohybrid material was fabricated through in-situ one-pot electrochemical co-deposition method. This material exhibited significant electrocatalytic activity and high stability for methanol oxidation reaction in an alkaline medium, making it an important catalyst for direct methanol fuel cell applications.
Article
Engineering, Chemical
Yulin Wang, Xiaoai Wang, Gaojian Chen, Chao Chen, Xiaodong Wang, Zeljko Penga, Ziming Yang, Lei Xing
Summary: The novel design utilizing ribs with auxiliary channels and hole arrays improves flow field performance. Numerical simulations show that optimizing flow field geometry can further enhance cell performance and current uniformity.
Review
Energy & Fuels
Shun Lu, Yucheng Wang, Hang Xiang, Hanhui Lei, Ben Bin Xu, Lei Xing, Eileen Hao Yu, Terence Xiaoteng Liu
Summary: This article comprehensively reviews the research on mass transfer in electrochemical carbon dioxide reduction reaction (eCO2RR). It discusses the mechanism of CO2 mass transfer and the main factors, such as electrodes, electrocatalysts, and electrolytes, that affect mass transfer at the two-phase or multi-phase interface during eCO2RR. The article emphasizes the understanding of the effects of these components or factors on mass transfer, the resolution of mass transfer limitations, and the improvement of the performance of electrochemical CO2 conversion. The challenges and future prospects for mass transfer in eCO2RR are also proposed.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Energy & Fuels
Jing Yao, Zhen Wu, Huan Wang, Fusheng Yang, Jin Xuan, Lei Xing, Jianwei Ren, Zaoxiao Zhang
Summary: This paper develops a two-dimensional model to investigate the fluid flow and mass transfer in proton exchange membrane fuel cells (PEMFC) and studies the effects of operating parameters on both the electrochemical performance and water recovery performance. The results show that optimizing water recovery performance can be achieved by decreasing the humidification temperature and increasing the relative humidity at the cathode inlet.
Article
Chemistry, Physical
Zhixin Chang, Li Guan, Jiajia Zhang, Weiqi Zhang, Qiang Ma, Akeel Shah, Lei Xing, Huaneng Su, Qian Xu
Summary: This study develops a novel gradient catalyst layer (G-CL) for improving the performance of direct methanol fuel cells (DMFCs). Compared with the traditional single catalyst layer (S-CL), the G-CL anode exhibits better performance, including improved methanol oxidation reaction (MOR) performance, lower methanol crossover, and higher power density.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Electrochemistry
Hassan Mousa, Lei Xing, Prodip K. Das
Summary: Anion exchange membrane fuel cells (AEMFCs) are a low-cost alternative to proton exchange membrane fuel cells (PEMFCs) and the transportation and balance of water play a significant role in their performance. By studying the impact of parameters such as porosity, catalyst loading, and ionomer content, it was found that a larger porosity gradient near the cathode gas diffusion layer (GDL)/flow channel interface and a lower gradient near the GDL/microporous layer (MPL) interface can enhance the performance of AEMFCs.
JOURNAL OF ELECTROCHEMICAL ENERGY CONVERSION AND STORAGE
(2023)
Article
Engineering, Environmental
Lei Xing, Hai Jiang, Shuo Wang, Valerie J. Pinfield, Jin Xuan
Summary: Enhanced weathering of minerals can capture atmospheric CO2 and store it as bicarbonate and carbonate in the ocean. This process requires engineered reactors that optimize reaction conditions to maximize CO2 capture rate and minimize energy and water consumption. Trickle beds and packed bubble columns are chosen as typical reactors to perform CO2 capture through enhanced weathering.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Chemical
Lei Xing, Gaojian Chen, Jin Xuan, Liang He, Qian Xu, Sheng Zhang, Huaneng Su, Weidong Shi
Summary: The non-uniform distribution of platinum in the cathode catalyst layers of proton exchange membrane fuel cells was found to affect the cell performance.
CHEMICAL ENGINEERING SCIENCE
(2022)
Article
Energy & Fuels
Li Guan, Prabhuraj Balakrishnan, Huiyuan Liu, Weiqi Zhang, Yilin Deng, Huaneng Su, Lei Xing, Zeljko Penga, Qian Xu
Summary: In this study, a novel membrane electrode assembly (MEA) was designed and prepared by adding a layer of graphene aerogel (GA), which optimized methanol transport and improved the output performance of DMFC at high methanol concentrations.
Article
Electrochemistry
Zhu Zhou, Lei Xing, Vijay Venkatesan, Haoran Xu, Wenhua Chen, Jin Xuan
Summary: A comprehensive multiphysics 3D model of a reversible solid oxide cell (rSOC) is created and validated in this study. The study finds that increasing the porosity in a homogeneous porous electrode does not always improve the cell's performance. An optimal porosity range of 0.5 to 0.7 is identified. Additionally, a heterogeneous porous electrode design with a functionally graded porosity distribution is suggested as a potential option for enhancing the cell's overall performance.
Article
Pharmacology & Pharmacy
Hongling He, Yating Huang, Xiubing Zhang, Yanting Ouyang, Piaopiao Pan, Yanling Lan, Zicheng Zhong, Lu Ping, Tiejun Lu, Zhenqiu Chen, Lei Xing, Qingguo Li, Zhenwen Qiu
Summary: Supercritical anti-solvent fluidized bed (SAS-FB) technology was used to prepare drug-loaded microparticles of flavonoids luteolin (LUT), naringenin (NGR), and dihy-dromyricetin (DMY) to improve their dissolution and bioavailability. Factors such as temperature, pressure, carrier, solvent, and drug solution concentration were investigated for their effects on yield and dissolution. SEM images showed different precipitation patterns and smaller particle sizes for the drug-loaded particles prepared using SAS-FB technology. FM and XRPD results confirmed the uniform coating and unchanged crystalline morphology of the SAS-FB particles. The cumulative dissolution and antioxidant activity of SAS-FB processed flavonoids were significantly higher than those of untreated flavonoids.
INTERNATIONAL JOURNAL OF PHARMACEUTICS
(2023)
Article
Engineering, Environmental
Jinyuan Zhang, Aidong Yang, Richard Darton, Lei Xing, Adam Vaughan
Summary: Reactor-based enhanced weathering of minerals is a potential option for CO2 removal from the atmosphere to stabilize the climate. Previous studies have modeled two types of reactors, trickle-bed reactor and packed bubble column, but their CO2 removal potential has not been compared. This study develops mechanistic reactor models to consistently describe continuous weathering of minerals and uses optimization techniques to compare the performance of the two reactor types. The results show that the packed-bubble column outperforms the trickle-bed reactor in calcite weathering due to its superior mass transfer performance, but it performs significantly worse in forsterite weathering due to the shift in the controlling mechanism of the process.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Chemical
Hanhui Lei, Lei Xing, Hai Jiang, Yucheng Wang, Ben Bin Xu, Jin Xuan, Terence Xiaoteng Liu
Summary: The graded distribution of Pt loading and the porosity of the gas diffusion layer significantly affect the performance and durability of the fuel cell. A physics-based model and a machine learning algorithm are used to study and optimize the design of the functionally graded electrode.
CHEMICAL ENGINEERING SCIENCE
(2023)
Article
Chemistry, Physical
Haibing Lan, Lei Xing, Xueguan Song, Linlin Yang
Summary: Suitable flow field designs significantly affect the performance of high temperature proton exchange membrane (HT-PEM) fuel cells. To address the issue of design uncertainty, a novel flow field design method using combined topology and surrogate models is proposed, which effectively reduces the design threshold.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Thermodynamics
Xin Yee Tai, Lei Xing, Steve D. R. Christie, Jin Xuan
Summary: To improve the performance, efficiency, and reduce the cost of proton exchange membrane (PEM) fuel cells, a functional graded electrode is proposed to replace the conventional electrode. However, due to the complexity and non-linear behaviors of PEM fuel cell system, a rapid and effective computational model and optimization algorithm are necessary. In this study, a multiphysics model with a deep machine learning approach is developed to create a surrogate model for multi-objective optimization using the nondominated sort genetic algorithm (NSGA-II). By coupling the model with NSGA-II, the trade-off relationship between cost effectiveness and high cell performances is successfully defined.
Article
Green & Sustainable Science & Technology
Lei Xing, Hai Jiang, Xingjian Tian, Huajie Yin, Weidong Shi, Eileen Yu, Valerie J. Pinfield, Jin Xuan
Summary: In this study, a machine learning algorithm and a multi-physics model were used for the optimization and techno-economic analysis of gas diffusion electrode-based electrochemical CO2 reduction reaction. The results showed significant improvements in process performance, with more than a two-fold increase in product yield and CO2 conversion, and a nearly 50% reduction in specific electrical energy consumption after optimization. The production cost of the process was also found to be much lower compared to traditional CO2 utilization factories, and cheaper and cleaner electricity sources could further reduce the cost.
CARBON CAPTURE SCIENCE & TECHNOLOGY
(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)
