Article
Biochemistry & Molecular Biology
Samar Azizighannad, Zhiqian Wang, Zain Siddiqui, Vivek Kumar, Somenath Mitra
Summary: By doping novel polyacrylamide gel electrolytes (PGEs) with nano carbons, enhanced electrochemical, thermal, and mechanical properties were achieved, leading to improved performance of supercapacitors. The incorporation of nano carbons improved thermal stability, enhanced viscous properties, and increased gel ionic conductivity, demonstrating the effectiveness of nano carbons as dopants in polymer gel electrolytes for property enhancements.
Review
Environmental Sciences
Moses Ebiowei Yibowei, Joseph Gbolahan Adekoya, Adeolu Adesoji Adediran, Oludaisi Adekomaya
Summary: This paper investigates the comparative advantage of polymer composite in supercapacitors, emphasizing its importance in enhancing performance and functionality. The paper also calls for further research to address potential threats faced by supercapacitors.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Nanoscience & Nanotechnology
Berlina Maria Mahimai, Siva Moorthy, Gandhimathi Sivasubramanian, Paradesi Deivanayagam
Summary: The focus of this research is to design and develop PSEBS membranes doped with bismuth oxide pyrolyzed with graphitic carbon nitride (Bi2O3-GCN). The membranes exhibit good phase morphology and thermal stability, making them suitable for applications in fuel cells and supercapacitors.
ACS APPLIED NANO MATERIALS
(2023)
Article
Polymer Science
Basheer A. Alshammari, Arthur N. Wilkinson, Bandar M. AlOtaibi, Mohammed F. Alotibi
Summary: In this study, carbon fillers of different dimensions (graphite, graphite nano-platelets, and multiwall carbon nanotubes) were incorporated into a matrix of poly (ethylene terephthalate) to form carbon-reinforced polymer composites. Analysis using DMTA and SEM showed that all composites displayed a similar decline in storage moduli during the glassy to rubbery transition. However, storage moduli values at room temperature increased with higher loading of nano-fillers and then decreased due to the formation of agglomerates of nanotubes and/or rolled up of nano-platelets. The carbon nanotubes exhibited greater reinforcement compared to graphite and graphite nano-platelets. PET samples that underwent quenching showed significant changes in their dynamic mechanical properties due to filler addition and cold crystallization.
Article
Materials Science, Multidisciplinary
Jaron Moon, Virginia Diaz, Dhruv Patel, Robert Underwood, Roseanne Warren
Summary: This work explores the use of a conducting polymer that can dissolve in mild aqueous conditions as a super-capacitor material. The new polymer (MPC polymer) is prepared and compared with polypyrrole (PPY). The results show that the MPC polymer has similar charge storage performance and lower resistance.
ORGANIC ELECTRONICS
(2022)
Article
Energy & Fuels
Esmail Sohouli, Koroush Adib, Bozorgmehr Maddah, Mostafa Najafi
Summary: This work reports a facile synthesis of a new supercapacitor electrode based on carbon nano-onions/manganese dioxide/iron oxide (CNO/MnO2/Fe3O4) nanocomposite. The prepared nanomaterials were characterized by various techniques, confirming the successful synthesis. The nanocomposite showed suitable supercapacitor properties with a rectangular shape, and exhibited good stability and specific capacitance.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Palak Mehra, Chanderpratap Singh, Irin Cherian, Arkaprabha Giri, Amit Paul
Summary: This work presents the synthesis of electrically conducting biordered ultramicroporous graphitic carbon (BUGC) and its application in supercapacitors, showing outstanding electrical conductivity, ion percolation, large surface area, ultramicroporous structure, and excellent cyclic stability.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Analytical
Hun Jeong, Dae Sun Cho, Chang Gi Hong, Chi Thanh Nguyen, Min Seok Moon, Van-Huong Tran, Lee Ku Kwac
Summary: This study reports a composite negative electrode consisting of ferric oxide nanoparticles decorated on CNT-graphene conductive networks. The fabricated composite electrode exhibits superior specific capacitance and good stability, thanks to the unique structure of the composite material.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Review
Polymer Science
Md. Ikram Ul Hoque, Rudolf Holze
Summary: This article discusses the application of intrinsically conducting polymers (ICPs) combined with electrochemically active materials as active masses in supercapacitor electrodes. The roles of the constituents of the composites and possible synergistic effects are highlighted. The stability of composite electrode materials, a crucial property for practical use, is also addressed, taking into account the causes and effects of materials degradation.
Review
Energy & Fuels
Elumalai Dhandapani, Sadhasivam Thangarasu, S. Ramesh, K. Ramesh, R. Vasudevan, Navaneethan Duraisamy
Summary: This article discusses the recent developments in active electrode materials in supercapacitors, focusing on the applications of carbonaceous materials and conducting polymers in this field.
JOURNAL OF ENERGY STORAGE
(2022)
Review
Energy & Fuels
Sahar Yasami, Saeedeh Mazinani, Majid Abdouss
Summary: Various materials with desirable properties, such as high power density and extended cycle life, have attracted attention for potential applications in electronic devices. The development of high-efficiency, eco-friendly, and effective materials is essential. Flexible supercapacitors have the ability to bend, twist, and conform to various shapes and surfaces, making them ideal for integration into wearable electronics. Composite materials, including conductive materials like graphene and flexible polymer matrices, are commonly used in flexible supercapacitors. Metal oxides, such as RuO2, MnO2, and NiO, offer a wide range of choices for flexible supercapacitor electrodes due to their high specific capacitance. This study aims to provide an overview of various flexible electrode composite materials and recent developments.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Multidisciplinary
Chia Chi Chang, Tesfaye Abebe Geleta, Toyoko Imae
Summary: The addition of carbon dots (C-dots) to composites of carbon nanohorn (CNH) and conducting polymer showed a superior influence on supercapacitance properties, resulting in significantly higher specific capacitance and capacitance retention. This indicates that the composites with C-dots are promising electrode materials for energy storage devices with high capacitance and stability.
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
(2021)
Article
Energy & Fuels
A. Ehsani, M. K. Moftakhar, F. karimi
Summary: The research focused on the synthesis of lignin derived carbon (LDC) and its effects on the supercapacitive properties of the POAP/LDC composite. By injecting poly ortho aminophenol (POAP) into the channels of LDC, the volumetric capacitance was significantly increased and a synergistic effect was achieved, leading to a specific capacitance of 485 F/g at 1.0 A/g current density and a retention rate of 86% after 3000 cycles.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Chemistry, Physical
Roghaieh Hadizadeh, Masoud Faraji
Summary: A novel and low-cost electrode for supercapacitor application, consisting of leached graphite coin decorated with tungsten oxide nanoparticles and carbon nanotubes, exhibits high surface area and excellent mechanical strength. The electrode was easily fabricated by adding commercial Zinc-metal powder into a matrix of commercial graphite powder and carbon nanotubes powder, followed by leaching out the Zinc and electrodeposition of tungsten oxide nanoparticles. The electrode shows acceptable electrochemical performance and high specific capacitance in 1.0 M H2SO4 media.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Materials Science, Multidisciplinary
Riya Thomas, Manoj Balachandran
Summary: The study prepared graphite oxide structures from high-quality coal coke using an improved Hummers' method, eliminating the need for toxic NaNO3, and investigated the impact of crystallinity and quality of the precursor coke on the physicochemical characteristics of the extracted carbon nanostructures.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
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)