Article
Electrochemistry
Nagaraja Sreeharsha, Mallikarjun Telsang, Girish Meravanige Basavarajappa, Swati Pund
Summary: This study investigated the electrochemical analysis of Rutin using an anionic surfactant Sodium dodecyl sulfate chemically modified graphene paste electrode. The results showed that the fabricated electrode exhibited impressive electrocatalytic activity and stability, with low over potential. The electrode also demonstrated good reproducibility and long-term stability in the analysis of Rutin.
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
(2022)
Article
Chemistry, Analytical
Shiyu Hu, Hong Chen, Xuhua Zhan, Xiaoli Qin, Yiwen Kuang, Mengxue Li, Zhanning Liang, Jianbo Yang, Zhaohong Su
Summary: This study reported a composite material consisting of metal organic frameworks (MOFs), electro-reduced graphene oxide (ErGO), and gold nanoparticles (AuNPs) for sensitive electroanalysis of rutin. The composite showed a good detection limit, acceptable stability, and reproducibility.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Lijun Yan, Tingxing Hu, Xiaoqing Li, Fengze Ding, Bei Wang, Baoli Wang, Bingxue Zhang, Fan Shi, Wei Sun
Summary: A graphdiyne (GDY)-ionic liquid (IL) composite was prepared and modified on an Au electrode surface to improve electron transfer rate, conductivity, and detection sensitivity for medicinal molecules. The modified electrode exhibited excellent performances for rutin detection with wider linear range and lower detection limit, showing potential applications in point-of-care testing for electrochemical analysis.
Article
Chemistry, Physical
An'an Zhou, Jie Bai, Wenjing Hong, Hua Bai
Summary: This review provides a comprehensive summary of the electrochemical reduction of graphene oxide (GO) and the resulting electrochemically reduced graphene oxide (ERGO). The electrochemical reduction method offers advantages such as eco-friendliness, high efficiency, and controllability, enabling the direct growth of high-quality graphene on electrodes. The review covers the reduction mechanisms, the influence of experimental parameters on the reduction process and the properties of ERGO, as well as the fabrication of composites based on ERGO. Additionally, the applications of ERGO and its composites in various fields are discussed, along with the remaining challenges.
Article
Chemistry, Physical
Emad S. Goda, Sang Eun Hong, Kuk Ro Yoon
Summary: This study introduces a novel bottom-up protocol for the deposition of Cu-PBA@GO nanocubes as a binder-free electrode for supercapacitors. The impact of reaction cycles on the morphology, crystallinity, and electrochemical behavior of copper hexacyanoferrate nanocubes was investigated.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Analytical
Auwal M. Musa, Janice Kiely, Richard Luxton, Kevin C. Honeychurch
Summary: This study investigates the potential use of graphene-based electrodes in electrochemical determination of estradiol using amperometric techniques. Graphene, a carbon-based nanomaterial, has unique properties that make it ideal for electrochemical sensing. Different types of graphene-based electrodes are evaluated for their electrochemical properties and structural characteristics. The study also examines the possibility of using these electrodes for determining estradiol levels in tap water samples.
Article
Chemistry, Multidisciplinary
S. Aghris, B. Chhaibi, F. E. Ettadili, O. Tahiri Alaoui, F. Laghrib, A. Farahi, M. Bakasse, A. Loukili, S. Lahrich, M. A. EL Mhammedi
Summary: This paper presents a simple and low-cost approach to synthesizing reduced graphene oxide/clay modified pencil electrode (rGO/Clay/PGE) for ultrasensitive detection of Flubendiamide (FBD). Under optimized conditions, the synthesized electrode exhibited excellent analytical properties toward FBD determination.
MATERIALS TODAY CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Juan Zhang, Leqing Deng, Meiying Feng, Liang Zeng, Miao Hu, Yujie Zhu
Summary: A low-defect K2Mn[Fe(CN)(6)]-reduced graphene oxide (KMF-RGO) composite with excellent performance as a cathode material for potassium-ion batteries is fabricated, providing a practical strategy for the synthesis of high-performance K2Mn[Fe(CN)(6)] cathode materials for KIBs.
CHEMICAL COMMUNICATIONS
(2021)
Article
Chemistry, Analytical
Sehriban Duzmen, Mehmet Aslanoglu
Summary: This article presents a sensitive voltammetric method for the detection of terbutaline (TER) using ultrasonication-assisted construction. The voltammetric platform was constructed on a glassy carbon electrode (GCE) modified with graphene nanoplatelets (GRNP) and erbium oxide nanoparticles (Er2O3). The GRNP@Er2O3 composite material was characterized and the proposed platform yielded accurate and precise measurements for detecting TER in samples.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Pragati Joshi, Sameena Mehtab, M. G. H. Zaidi
Summary: A supercritical carbon dioxide assisted method was used to synthesize polypyn ole/graphene oxide nanocomposites (PPY/GO) and control release formulations, which can rapidly and accurately release simazine for electroanalysis.
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
(2022)
Article
Biochemistry & Molecular Biology
Li Zhang, Mengting Zhang, Pingping Yang, Yin Zhang, Junjie Fei, Yixi Xie
Summary: An ultrasensitive electrochemical rutin sensor based on β-cyclodextrin metal-organic framework/reduced graphene oxide (β-CD-Ni-MOF-74/rGO) was constructed, which exhibited good electrochemical properties and showed a wider linear range and lower detection limit for the detection of rutin in actual samples.
Article
Chemistry, Analytical
Fenglin Zhang, Lifang Fan, Zhiguang Liu, Yujie Han, Yujing Guo
Summary: A highly sensitive label-free electrochemical aptasensor has been developed for the detection of ovarian cancer biomarker CA125. The sensor utilizes nickel hexacyanoferrate nanocubes as the signal probe and polydopamine functionalized graphene as the substrate. The designed platform exhibits excellent sensitivity and low detection limit.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Qingfang Zhen, Huiyuan Ma, Zhongxin Jin, Di Zhu, Xiao Liu, Yu Sun, Chunjing Zhang, Haijun Pang
Summary: A novel N-MCS@graphene composite was successfully developed for the detection of rutin, showing enhanced electrochemical response and selectivity. This composite can efficiently detect and quantify rutin in human serum with satisfactory results.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Engineering, Environmental
Tata Sanjay Kanna Sharma, Kuo-Yuan Hwa
Summary: Copper vanadate nanoparticles were synthesized using a hydrothermal method and combined with sulfur-doped reduced graphene oxide to form a hybrid nanocomposite, which showed excellent activity in detecting the antiandrogen drug nilutamide. The nanocomposite exhibited a low detection limit and high sensitivity for NLT detection, making it a promising material for electrochemical sensing applications.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Chemistry, Applied
Ming Fang, Wei-fan Chu, Jingsi Cui, Guan-Ping Jin, Changqing Tian
Summary: This study presents a new immobilization strategy for the recovery of low concentration rubidium resources from powder form potassium cobalt hexacyanoferrate (KCoFC). The encapsulation of KCoFC within synthetic hydrogels was achieved and the adsorption behavior of the resulting KCoFC-HPR was investigated. The results showed that KCoFC-HPR has high adsorption capacity and selectivity for rubidium, with the exchange of rubidium and potassium being the main adsorption mechanism.
APPLIED ORGANOMETALLIC CHEMISTRY
(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)