Article
Materials Science, Multidisciplinary
V. Balasubramani, R. Girija, M. Muthuvinayagam, F. Maiz, Mohd. Shkir, Vasudeva Reddy Minnam Reddy, Woo Kyoung Kim
Summary: In this study, the charge storage activities of MgCo2O4 nanosheets as a positive material for high-performance supercapacitors were strongly evaluated. The MgCo2O4 nanosheet electrode exhibited excellent capacitance, cycling retention, and stability.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2023)
Article
Engineering, Environmental
Sun Min Hwang, Yong Ho Yeo, Won Ho Park, Ana Loncaric Bozic
Summary: Environmental issues caused by toxic heavy metal ions in industrial wastewater have become severe due to rapid industrialization. This study developed an effective and reusable adsorbent using waste silk fibroin fabric to remove heavy metal ions, with a particular focus on Pb ions.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Green & Sustainable Science & Technology
X. -W. Cheng, J. -Y. Song, M. -l. Cui, S. Dong, J-P. Guan
Summary: In this study, a novel reactive intumescent flame-retardant (TPCE) was synthesized and applied onto silk fabric, effectively improving its flame-retardant and washing durability properties.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Chemistry, Physical
Qisheng Fang, Mengxuan Sun, Xiaohe Ren, Yongxiu Sun, Yijun Yan, Ziwei Gan, Jianan Huang, Baobao Cao, Wenzhong Shen, Zhijie Li, YongQing Fu
Summary: In supercapacitors, integrating Ni3S4 with MnCo2O4, which has a good electrical conductivity, can enhance the specific capacity and cycling stability of the supercapacitor, thus expanding its application range.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Yangyang Wang, Xue Wang, Bingcheng Ge, Jianxin Guo, Carlos Fernandez, Qiuming Peng
Summary: The MXene-MnO2 composite film cathode in Li-CO2 batteries demonstrates good cycle stability, high specific capacity, and lower overpotential, primarily due to its enhanced electrochemical properties such as high electrical conductivity and porous structure, increased Li ion adsorption facilitated by the replacement of Mn by Ti, and a large number of active sites exposed by the synergistic effect of MXene and MnO2.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Energy & Fuels
Maykel dos Santos Klem, Gabriel Leonardo Nogueira, Neri Alves
Summary: This study presents the production and evaluation of high-performance supercapacitors with spray-deposited MoS2/PEDOT:PSS composite electrodes, showcasing excellent energy and power density as well as long-term cycle stability.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Materials Science, Textiles
Yangxiao Yu, Guangzhou Song, Mengnan Dai, Lingpeng Meng, Jianmei Xu, Qingmin Fan, Fenglin Dong, Yin Yin, Jiannan Wang
Summary: In this study, composite grafts consisting of regenerated silk fibroin (RSF) and silk fabric were developed and evaluated for their morphology, water permeability, and cytotoxicity. The grafts showed effective coverage and tight integration, low water leakage, and no significant cytotoxicity, indicating their potential as biomaterials for vascular access repair and regeneration.
JOURNAL OF NATURAL FIBERS
(2023)
Article
Chemistry, Multidisciplinary
Florian Zoller, Sebastian Haeringer, Daniel Boehm, Hannah Illner, Markus Doeblinger, Zdenek Sofer, Martin Finsterbusch, Thomas Bein, Dina Fattakhova-Rohlfing
Summary: Freestanding electrodes can increase battery energy density by reducing the amount of inactive materials, with strategies such as electrospinning and freeze-casting explored for ATO-based hybrid materials. Results show that ATO/C/rGO nanocomposites prepared via freeze-casting exhibit impressive electrochemical performance, highlighting the potential of antimony doping and carbon coating for improved battery performance in the future.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Physical
Chao Lu, Yunxuan Chen, Xinpeng Yu
Summary: Solid ionogel electrolytes with superior mechanical and electrical properties are critical to electrochemical power sources. Existing ionogel electrolytes are mainly based on three frameworks, including pristine polymers, co-polymers, and cross-linking polymers. But ionogel electrolytes coupling different networks are seldom reported. Here, double-network ionogel electrolytes have been developed, showing high ionic conductivity and mechanical strength, as well as long cycle life for super-capacitors.
CHEMICAL PHYSICS LETTERS
(2023)
Article
Engineering, Environmental
R. Rohith, Anandhu Thejas Prasannakumar, V Manju, Ranjini R. Mohan, Sreekanth J. Varma
Summary: A hybrid electrode made from PANi and V2O5 nanoparticles is synthesized and evaluated for its electrochemical performance. The PV3 electrode (PANI:V2O5 = 3:1) exhibits the highest gravimetric capacitance of 498 F g (-1) and retains 84% of its initial capacitance even at a high current density of 20 A g (-1). The symmetric supercapacitor fabricated using this electrode shows a capacitance of 260 F g (-1) and a high energy density of 36 Wh kg (-1), indicating its potential for next generation wearable electronic applications.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Energy & Fuels
Prem Sagar Shukla, Anant Agrawal, Anurag Gaur, G. D. Varma
Summary: MnCo2O4@MoS2 (MCOS) nanocomposites synthesized through co-precipitation process exhibit significant enhancement in electrochemical characteristics, attributed to its larger specific surface area and mesoporous distribution. MCOS nanocomposite as a single electrode shows larger specific capacitances and good rate capability, as well as excellent cycling stability even at high current density. An asymmetric supercapacitor device fabricated with MCOS20 nanocomposite as cathode and commercial activated carbon as anode demonstrates the highest specific energy density and power density, along with excellent stability in KOH gel electrolyte.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Materials Science, Textiles
Yanlai Wang, Jie Xu, Xudong Li, Yan Peng, Yina Xing, Peng Wang, Ruilong Ran, Tonghua Zhang
Summary: This study presents a novel application of aloe vera rinds rich in anthraquinone ingredients in the antibacterial treatment of silk. The silk fabrics treated with aloe anthraquinones exhibited excellent and durable antibacterial properties against Escherichia coli and Staphylococcus aureus, even after being washed multiple times. Furthermore, the treated fabrics showed good biocompatibility.
JOURNAL OF THE TEXTILE INSTITUTE
(2023)
Article
Thermodynamics
Xian-Wei Cheng, Qiang Zhu, Wen-Jie Jin, Chen Zhang, Jin-Ping Guan
Summary: A novel P/N/S-containing flame retardant was prepared and applied successfully for the flame retardancy modification of silk fabric, showing good flame retardant efficiency and washing durability, indicating great potential for functional and durable approach to improve flame retardancy of silk fabric.
THERMOCHIMICA ACTA
(2022)
Article
Chemistry, Physical
Mehdi Rouhani, Sai Bhavani Sravan Metla, Jonathan Hobley, Yeau-Ren Jeng
Summary: This study determines the definitive failure mechanism of passivated TiN films by monitoring their microstructure, chemical, and mechanical changes at extreme temperatures. The initial oxidation is limited to the surface, but cracks form during cooling and lead to wide-area delamination of the films, allowing for further bulk oxidation.
APPLIED SURFACE SCIENCE
(2023)
Article
Physics, Multidisciplinary
Amira Ben Gouider Trabelsi, Asmaa M. Elsayed, Fatemah H. Alkallas, Mohamed Rabia
Summary: MnS is successfully decorated on graphitic carbon nitride (G-C3N4) through solvothermal synthesis, forming MnS/G-C3N4 nanocomposite. The nanocomposite exhibits a spherical-like morphology as observed through TEM and SEM analyses. The elemental and crystalline structures are confirmed by XPS and XRD analyses. Testing as a supercapacitor with 1.0 M Na2SO4 electrolyte, the capacitor shows excellent specific capacitance and energy value, along with a great stability of 98.2% up to 1000 cycles.
Article
Electrochemistry
Chao Sun, Xin Li, Zaisheng Cai, Fengyan Ge
ELECTROCHIMICA ACTA
(2019)
Article
Chemistry, Physical
Xin Li, Chao Sun, Zaisheng Cai, Fengyan Ge
APPLIED SURFACE SCIENCE
(2019)
Article
Electrochemistry
Chao Sun, Jing Zhao, Zhiguang Guo, Yaping Zhao, Zaisheng Cai, Fengyan Ge
Article
Engineering, Electrical & Electronic
Zhiguang Guo, Jing Zhao, Chao Sun, Zaisheng Cai, Fengyan Ge
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2020)
Article
Engineering, Electrical & Electronic
Chao Sun, Hongzhe Sun, Zhiguang Guo, Fengyan Ge
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2020)
Article
Chemistry, Physical
Chao Sun, Zhiguang Guo, Man Zhou, Xiaoyan Li, Zaisheng Cai, Fengyan Ge
Summary: By converting cotton fabrics into high-performance carbon electrodes doped with heteroatoms and utilizing carbonization processes, this study achieved exceptional electrochemical properties for wearable supercapacitors. The resulting electrodes exhibited high specific capacitance, excellent rate property, and good coulombic efficiency, showcasing potential for mass production and future use in wearable electronic devices.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Multidisciplinary
Zhiguang Guo, Chao Sun, Jing Zhao, Zaisheng Cai, Fengyan Ge
Summary: This study introduces a flexible, low driving voltage, heat-resistant, and rapid-response Cu nanowire networks/clean nylon woven fabric wearable electrical heater, with highly conductive and uniform features that can quickly heat up in a short time. In addition, through methods such as finite element analysis, it lays the foundation for improving the performance and energy saving of personal thermal management textiles based on Joule heating.
ADVANCED MATERIALS INTERFACES
(2021)
Article
Nanoscience & Nanotechnology
Zhiguang Guo, Chao Sun, Juan Wang, Zaisheng Cai, Fengyan Ge
Summary: Inspired by the thermal management of polar bears, a multifunctional wearable heater with enhanced photothermal conversion, mid-infrared reflection, thermal insulation, and electrical heating performance was developed. It can quickly reach high temperatures and provide good insulation, showing potential for energy-saving personal thermal management fabrics.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Chao Sun, Shuo Zhang, Juan Wang, Fengyan Ge
Summary: In this work, hydrophobic and super-hydrophobic Surface-enhanced Raman spectroscopy (SERS) substrates were prepared to enhance the SERS performance. The optimized hydrophobic substrate achieved an enhancement factor of 1.57 x 10(6) and a detection sensitivity of 10(-10) M. The optimized super-hydrophobic substrate had an enhancement factor of 1.93 x 10(6), a detection limit of 10(-11) M, and remained effective after 6 months of storage.
SURFACES AND INTERFACES
(2022)
Article
Electrochemistry
Abdul Qayoom Mugheri, Shaista Khan, Ali Asghar Sangah, Aijaz Ahmed Bhutto, Muhammad Younis Laghari, Nadeem Ahmed Mugheri, Asif Ali Jamali, Arsalan Ahmed Mugheri, Nagji Sodho, Abdul Waheed Mastoi, Aftab Kandhro
Summary: Green hydrogen has the potential to transition to a pollution-free energy infrastructure. This study proposes a solution to produce hydrogen during the photoelectrochemical process, offering greater stability and control over chemical reactions. Techno-economic assessments show the efficiency and economic feasibility of co-producing value-added chemicals to enhance green hydrogen production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Danpeng Cheng, Wuxin Sha, Qigao Han, Shun Tang, Jun Zhong, Jinqiao Du, Jie Tian, Yuan-Cheng Cao
Summary: LiNixCoyMn1-x-yO2 (NCM) is a critical cathode material for lithium-ion batteries in electric vehicles. The aging of cathode/electrolyte interfaces leads to capacity degradation and long-term cycle instability. A novel neural network model called ACGNet is developed to predict electrochemical stability windows of crystals, allowing for high-throughput screening of coating materials. LiPO3 is identified as a promising coating material with high oxidation voltage and low cost, which significantly improves the cycle stability of NCM batteries. This study demonstrates the accuracy and potential of machine learning in battery materials.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
P. Mohana, R. Yuvakkumar, G. Ravi, S. Arunmetha
Summary: This study successfully fabricates a non-noble CuO/NiO/rGO nanocomposite and investigates its electrocatalytic performance for oxygen evolution reaction in alkaline environment. The experimental results demonstrate that the electrocatalyst exhibits high activity and good stability, offering a new synthetic approach for sustainable energy production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Qiong Qu, Jing Guo, Hongyu Wang, Kai Zhang, Jingde Li
Summary: In this study, a bifunctional electrode host design consisting of carbon nanofibers implanted ordered porous Co-decorated Al2O3 supported on carbon nanotube film (CNTF) was proposed to address the shuttling effect of lithium polysulfides (LiPSs) and dendrite formation of metal lithium anode in lithium-sulfur (Li-S) batteries. The electrode exhibited excellent conductivity, efficient confinement of LiPSs, and catalytic conversion performance, resulting in high initial capacity and good capacity retention during cycling. As an anode, the electrode showed excellent Li+ diffusion performance and uniform lithium growth behavior, achieving a dendrite-free lithium electrode. The flexible pack cell assembled from these electrodes delivered a specific capacity of 972 mAh g(-1) with good capacity retention.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Hong Zhang, Jin-Peng Yu, Chen Chen, Cheng-Yong Shu, Guang-Yu Xu, Jie Ren, Kai Cui, Wen-Fang Cai, Yun-Hai Wang, Kun Guo
Summary: Spray coating of acetylene black nanoparticles onto stainless steel mesh can enhance its biofilm formation ability and current density, making it a promising electrode material for microbial electrochemical systems. The spray coating method is simple, cost-effective, and suitable for large-size stainless steel electrodes.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Binpeng Hou, Jingjin Chen, Li-Hong Zhang, Xiaowen Shi, Zizhong Zhu
Summary: The electrochemical performance of Li1.20Mn0.44Ni0.32Co0.04O2 and its oxygen-deficient phase Li1.20Mn0.44Ni0.32Co0.04O1.83 was studied through first-principles calculations. The results show that the oxygen-deficient phase has a higher theoretical capacity but lower voltage platform and higher chemical activity compared to the pristine phase.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Yating Du, Sayoko Shironita, Daisuke Asakura, Eiji Hosono, Yoshitsugu Sone, Yugo Miseki, Eiichi Kobayashi, Minoru Umeda
Summary: This study investigates the effect of high- and low-temperature environments on the charge-discharge performance of a Li-ion battery. The deterioration mechanisms of the battery at different temperatures are analyzed through various characterization techniques. The results indicate that the battery performance deteriorates more significantly at a low-temperature environment of 5 degrees C compared to higher temperatures. The understanding of the deterioration mechanisms can contribute to the development of safer battery usage methods.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Si-Si Shi, Zhi-Xiang Yuan, Fei Zhang, Ping Chen
Summary: In this study, a new nano-electrocatalyst was prepared, which exhibited superior electrocatalytic activity for the reduction of NO2- to ammonia in a neutral electrolyte, potentially due to the synergistic enhancement between Co3O4-x and Co.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Berna Dalkiran, Havva Bekirog
Summary: This study reports the use of deep eutectic solvents (DES) based on ethylene glycol and urea as low-cost and green electrolytes for enhancing electrochemical detection of natural antioxidants. The study successfully developed a disposable and effective electrochemical sensing platform for simultaneous determination of ascorbic acid (AA) and gallic acid (GA) using NaOH nanorods on a pencil graphite electrode. The proposed electrode showed improved analytical performance, with higher peak currents and shifted oxidation potentials in DES compared to BR buffer medium.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Sijun Ren, Jianguo Huang
Summary: In this study, a novel bio-inspired nanofibrous WO3/carbon composite was synthesized using a facile hydrothermal method. The three-dimensional network structure of the composite alleviated the volume expansion of WO3 nanorods and enhanced the charge-transport kinetics. The optimized composite exhibited superior lithium storage properties.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Zhilong Zheng, Yu Chen, Hongxia Yin, Hengbo Xiao, Xiangji Zhou, Zhiwen Li, Ximin Li, Jin Chen, Songliu Yuan, Junjie Guo, Haibin Yu, Zhen Zhang, Lihua Qian
Summary: This study found that interstitial Zn cations in CoMoO4 can modulate the dissolution kinetics of Mo cations and improve the OER performance. The interstitial Zn cations can prevent the dissolution of Co cations at high potential, enhancing the durability of the catalyst.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Xiaobo Lin, Shern R. Tee, Debra J. Searles, Peter T. Cummings
Summary: Molecular dynamics simulations using the constant potential method were used to investigate the charging dynamics and charge storage of supercapacitors. The simulations revealed that the water-in-salt electrolyte exhibited the highest charge storage and significantly higher capacitance on the negative electrode. The varying contributions of different electrode regions to supercapacitor performance were also demonstrated.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Wiktoria Lipinska, Vita Saska, Katarzyna Siuzdak, Jakub Karczewski, Karol Zaleski, Emerson Coy, Anne de Poulpiquet, Ievgen Mazurenko, Elisabeth Lojou
Summary: The spatial distribution of enzymes on electrodes is important for bioelectrocatalysis. In this study, controlled spatial distribution of gold nanoparticles on Ti nanodimples was achieved. The efficiency of enzymatic O2 reduction was found to be influenced by the size of the gold nanoparticles and their colocalization with TiO2. The highest stability of enzymatic current was observed with the largest gold nanoparticles.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Tariq M. Al-Hejri, Zeenat A. Shaikh, Ahmed H. Al-Naggar, Siddheshwar D. Raut, Tabassum Siddiqui, Hamdan M. Danamah, Vijaykumar V. Jadhav, Abdullah M. Al-Enizi, Rajaram S. Mane
Summary: This study explores a promising self-growth approach for the synthesis of nickel hydroxide (Ni(OH)2) nanosponge-balls on the surface of a nickel-foam (NiF) electrode. The modified NiF electrode, named Ni(OH)2@NiF, shows distinctive nanosponge-ball morphology and demonstrates excellent energy storage capability and electrocatalytic performance in both hydrogen and oxygen evolution reactions.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Rafael Del Olmo, Gregorio Guzman-Gonzalez, Oihane Sanz, Maria Forsyth, Nerea Casado
Summary: The use of Lithium-Ion Batteries (LIBs) is becoming increasingly extensive, and it is important to optimize the devices to achieve their maximum practical specific capacity. In this study, mixed ionic-electronic conducting (MIEC) binders based on PEDOT:PSS and PEDOT: PDADMA-TFSI were developed for Li-ion cathodes, and their performance was compared with conventional formulations. The influence of electrode formulations, including the addition of conducting carbon and an Organic Ionic Plastic Cristal (OIPC), was also analyzed. The proposed binders showed improved performance compared to conventional formulations with different electrolyte types and active materials.
ELECTROCHIMICA ACTA
(2024)
