Article
Chemistry, Analytical
Fahmida Nasrin, Indra Memdi Khoris, Ankan Dutta Chowdhury, Jirayu Boonyakida, Enoch Y. Park
Summary: This study developed a simple and stable method for sensor electrode fabrication to achieve highly sensitive detection of Norovirus. The modified sensor electrode exhibited high stability and specific binding capability. Compared with real-time quantitative reverse transcription-polymerase chain reaction, the biosensor showed satisfactory sensitivity for clinically isolated Norovirus.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Chemistry, Analytical
Fahmida Nasrin, Indra Memdi Khoris, Ankan Dutta Chowdhury, Jirayu Boonyakida, Enoch Y. Park
Summary: The exponential growth of electrochemical biosensors in the health monitoring sector indicates huge possibilities for future applications. A simple and stable sensor electrode fabrication method has been developed for sensitive detection of Norovirus with low variance, demonstrating high specificity and sensitivity compared to RT-qPCR for practical use.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Chemistry, Analytical
Ping Ouyang, Chenxin Fang, Jialun Han, Jingjing Zhang, Yuxing Yang, Yang Qing, Yubing Chen, Wenyan Shang, Jie Du
Summary: The study introduces an electrochemical DNA biosensor for protein detection based on DNA self-assembly and terminal protecting effects of small-molecule-linked DNA. This strategy allows for qualitative and quantitative analysis of target proteins with high sensitivity in complex samples.
Article
Chemistry, Analytical
Yeni Wahyuni Hartati, Irkham Irkham, Iis Sumiati, Santhy Wyantuti, Shabarni Gaffar, Salma Nur Zakiyyah, Muhammad Ihda H. L. Zein, Mehmet Ozsoz
Summary: Fast, sensitive, and easy-to-use label-free electrochemical DNA biosensor method was developed for the detection of pork in processed meat samples. The method utilized gold electrodeposited screen-printed carbon electrodes and differential pulse voltammetry for probe-target DNA hybridization detection. The detection limit was 0.135 μg/mL, and the method showed selectivity against 5% pork DNA in a mixture of meat samples. This electrochemical biosensor method has the potential to be developed into a portable point-of-care detection method for pork or food adulterations.
Article
Chemistry, Analytical
Clarice E. Froehlich, Jiayi He, Christy L. Haynes
Summary: Investigating the interactions between small, charged molecules and aptamers using surface plasmon resonance (SPR) is challenging due to low small molecule response and nonspecific electrostatic interactions. However, aptamers are increasingly used in sensors for small molecule detection, and a simple, direct SPR assay would greatly benefit sensor development. This study presents a method using streptavidin-biotin capture and a high-ionic-strength buffer to characterize the interaction between serotonin and an aptamer with SPR. Other methods, such as immobilization and thiol-coupling, were also investigated for comparison.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
DRGKoppalu Puneeth R. Kumar, Zahid Manzoor Bhat, Sanjit Dey, Souvik Roy, Souvik Panda Mahapatra, Saikat Pahan, Musthafa Ottakam Thotiyl, Hosahudya N. Gopi
Summary: The development of miniaturized lab-on-chip devices for the detection of small molecule-protein interactions at low concentrations is of great importance in drug discovery and biomedicine. In this study, label-free detection of small molecule-protein interactions was achieved using nanoscale capacitance and impedance spectroscopy on surface functionalizable nanotubes of α, γ-hybrid peptide helical foldamers. The functionalizable hybrid peptide nanotubes enabled the label-free detection of various small molecule-protein interactions at very low concentrations.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Article
Chemistry, Analytical
Lin Liu, Daohong Wu, Shuang Zhen, Kaiqing Lu, Xinyao Yi, Zhifang Sun
Summary: This study presents a simple and sensitive electrochemical strategy for detecting telomerase extracted from HeLa cells, utilizing the signal amplification of in-situ formed streptavidin-biotin-DNA-biotin networks. The method effectively amplifies the signal by creating an insulating layer on a gold electrode surface, thus enabling the detection of telomerase.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Multidisciplinary
Yaliang Huang, Ting Sun, Wendi Li, Lin Liu, Gang Liu, Xinyao Yi, Jianxiu Wang
Summary: We propose a concept for ligase detection by converting aggregation-based homogeneous analysis into a surface-tethered electrochemical assay through the streptavidin-biotin interaction. The method demonstrated the detection of Sortase A (SrtA) both in vitro and Staphylococcus aureus (S. aureus). The strategy integrates the advantages of homogeneous reaction and heterogeneous detection, making it an ideal means for the fabrication of various sensing platforms using biotin-labeled and sequence-specific peptide or nucleic acid substrates.
CHINESE CHEMICAL LETTERS
(2022)
Article
Chemistry, Analytical
Meng Meng, Ying Jiang, Wang Li, Qian Wen, Ying Xiong, Qi Chen, Jiali Ren
Summary: In this study, a rapid and sensitive detection method for E. coli based on M13K07 phage was reported. The method was able to detect as low as 4 cfu/mL of E. coli in a short period of time, and specific analysis and practical application were successfully confirmed.
MICROCHEMICAL JOURNAL
(2023)
Article
Biotechnology & Applied Microbiology
Fernanda Raquel Wust Schmitz, Karina Cesca, Alexsandra Valerio, Debora de Oliveira, Dachamir Hotza
Summary: Novel rapid methodologies involving colorimetric biosensors and gold nanoparticles have been developed for the detection of bacteria, specifically Pseudomonas aeruginosa. The biosensor relies on the color change of gold nanoparticles induced by NaCl after incubation with bacteria and aptamer binding. The optimized conditions for detection were found to be 5 μM aptamer concentration and 200 mM of NaCl. The detection limit for P. aeruginosa was 10(5) CFU mL(-1) by the naked eye and 10(4) CFU mL(-1) by UV-Vis spectrometry.
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
(2023)
Article
Chemistry, Analytical
Yeeun Kim, Dahyun Kang, Seokgyu Kim, Eunchae Hong, Moongyu Jang
Summary: In this study, an impedance biosensor capable of real-time monitoring of NIH/3T3 cell growth and drug reactions was developed and proved to be effective. The capacitance contributions of cells existing on and between electrodes were investigated, and it was found that the cells on electrodes have a smaller contribution to the overall cell capacitance. Therefore, minimizing the electrode area and maximizing the electrode spacing is a promising design guide for accurately measuring cell capacitance.
Review
Chemistry, Multidisciplinary
Xiaoyi Ma, Xiaoqiang Li, Gangyin Luo, Jin Jiao
Summary: This review highlights the importance of DNA-modified gold nanoparticles (DNA-AuNPs) in biomedical applications and their potential uses in various fields. By summarizing the methods for immobilizing DNA strands on the surface of AuNPs and discussing representative studies, the advantages and future challenges of DNA-AuNPs are revealed.
FRONTIERS IN CHEMISTRY
(2022)
Article
Chemistry, Analytical
Jana Blaskovicova, Jan Labuda
Summary: Triclosan (TCS) is a widely used broad-spectrum antimicrobial agent in personal care, healthcare, and clinical practice. It has been found to reduce DNA methylation and cause chromosomal aberrations, DNA damage, and strand breaks. The degradation products of TCS also contribute to DNA damage. Silver nanoparticles (AgNPs) have similar antimicrobial properties to TCS and are often used together in oral care products. This study investigates the interaction between AgNPs and DNA, and it is found that AgNPs can protect DNA against TCS-induced damage.
Article
Chemistry, Analytical
Elena Alina Chiticaru, Celina Maria Damian, Luisa Pilan, Mariana Ionita
Summary: This study proposes a simple, label-free, and cost-effective DNA detection platform using screen-printed carbon electrodes modified with reduced graphene oxide and gold nanoparticles. The preparation process and electrochemical properties of the modified electrodes were characterized and confirmed. The introduction of gold nanoparticles onto the electrode surface enhanced surface conductivity and sensitivity in detection.
Article
Chemistry, Analytical
Ying Wang, Bing Wang, Xingliang Xiong, Shixiong Deng
Summary: The authors developed a self-oriented beacon liquid crystal biosensor for kanamycin detection, incorporating gold nanoparticles for signal enhancement. This biosensor showed high sensitivity and specificity in detecting kanamycin, with a detection limit as low as 0.1 pmol L-1. This study provides insights into the mechanism of self-oriented beacon and liquid crystal biosensing, showing promising applications in bioanalytical fields.
ANALYTICAL METHODS
(2022)
Article
Biophysics
Mingyue Wang, Xavier Ceto, Manel del Valle
Summary: This study explores the combination of chemometrics and electrochemical sensors modified with molecularly imprinted polymers (MIPs) for the development of MIP-based electronic tongues (ETs). The potential of this approach is demonstrated through the simultaneous determination of paracetamol, ascorbic acid, and uric acid mixtures in pharmaceutical samples. MIP-based sensors for different compounds were prepared using in situ electropolymerization and characterized by scanning electron microscopy and electrochemical methods. The developed sensors showed good performance, with good linearity and repeatability at the μM level. An artificial neural networks (ANNs) model was used for the quantification of individual substances in different pharmaceutical samples with satisfactory agreement between expected and obtained values.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Chemistry, Multidisciplinary
Yaquan Liang, Wei Li Ang, Rachel Rui Xia Lim, Alessandra Bonanni
Summary: The electrochemical reduction signal of graphene oxide nanocolloids is inhibited when they form non-covalent interactions with single stranded DNA oligonucleotides. The decrease in reduction current intensity is highly influenced by the nucleobase sequence and can be directly correlated to the specific DNA homo-oligonucleotide.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Analytical
Dionisia Ortiz-Aguayo, Xavier Ceto, Karolien De Wael, Manel del Valle
Summary: This work evaluates the ability of an electronic tongue (ET) to resolve and quantify mixtures of different opiate compounds in the presence of common cutting agents. The study successfully resolved ternary mixtures of heroin, morphine, and codeine in the presence of caffeine and paracetamol. The developed sensors showed good linearity and low detection limits for the three drugs, and a quantitative model based on partial least squares regression (PLS) was able to accurately identify and quantify the individual substances from the voltammograms.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Chemistry, Physical
Wei Li Ang, Rachel Rui Xia Lim, Adriano Ambrosi, Alessandra Bonanni
Summary: Discovered in December 2019, the SARS-CoV-2 virus has become a global concern, emphasizing the need for rapid and low-cost detection methods. This study proposes the use of graphene oxide nanocolloids as an electroactive material for the detection of 2019-nCoV genomic sequences. The system shows promise as a simple, sensitive, and cost-effective analytical tool for the detection of the virus.
Article
Chemistry, Analytical
Rachel Rui Xia Lim, Wei Li Ang, Adriano Ambrosi, Zdenek Sofer, Alessandra Bonanni
Summary: Electrochemical polymerase chain reaction (PCR) is a valid alternative to optical-based PCR, with advantages such as reduced costs, simpler instrumentation, and miniaturization and portability of systems. This study compared three different nanographene oxide materials as signaling tags for the detection of genetically modified organisms (GMO) and identified the nanocarbon material with the highest potential for use as an electroactive label in PCR amplification and detection.
Article
Chemistry, Multidisciplinary
Arnon Fluksman, Aritz Lafuent, Zhi Li, Jordi Sort, Silvia Lope-Piedrafita, Maria Jose Esplandiu, Josep Nogues, Alejandro G. Roca, Ofra Benn, Borja Sepulveda
Summary: In this study, metal iron based magnetoplasmonic drug-loaded nanocapsules (MAPSULES) were developed to enhance the efficacy of cancer nanotherapies locally. The MAPSULES combine powerful external magnetic concentration in the tumor and efficient photothermal actuation to boost the drug therapeutic action at ultralow drug concentrations. The results show that this approach has the potential to significantly amplify the therapeutic effects of drugs for different diseases.
Article
Physics, Applied
M. Sledzinska, P. Xiao, E. Puig Vilardell, E. Chavez Angel, M. J. Esplandiu, C. M. Sotomayor Torres
Summary: In this work, the exciton energies and low-frequency phonon modes of WS2 under strain were studied using spectroscopy. Machine learning methods were used to analyze spatial maps and extract strain distribution maps.
APPLIED PHYSICS LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Regina Galceran, Frederic Bonell, Lorenzo Camosi, Guillaume Sauthier, Zewdu M. M. Gebeyehu, Maria Jose Esplandiu, Alois Arrighi, Ivan Fernandez Aguirre, Adriana I. I. Figueroa, Juan F. F. Sierra, Sergio O. O. Valenzuela
Summary: Researchers demonstrate passivated and intermixing-free interfaces in topological insulator Bi2Te3 using dry-transferred CVD graphene. It is also shown that graphene acts as an efficient metal and chalcogen diffusion barrier in Bi2Te3/graphene/permalloy heterostructures. These findings provide new possibilities for controlling and engineering topological insulator interfaces in spintronic applications.
ADVANCED MATERIALS INTERFACES
(2022)
Article
Chemistry, Analytical
Xavier Ceto, Munmi Sarma, Manel del Valle
Summary: Electronic tongues (ETs) are multisensor systems that can classify samples and quantify analytes. The stability and cross-sensitivity of the sensors are crucial for the success of ETs. However, the sensor selection is often overlooked in research. Therefore, this study proposes a simple methodology using principal component analysis and clustering indices to assess the suitability of sensors for a specific application.
Article
Food Science & Technology
Josep Pages-Rebull, Clara Perez-Rafols, Nuria Serrano, Manel del Valle, Jose Manuel Diaz-Cruz
Summary: Recent increase in spice and aromatic herb adulteration in the food industry necessitates comprehensive quality control. A new HPLC method with UV-vis detection was developed for the characterization, identification, and authentication of various spices and herbs. Chromatographic separation and analysis using chemometric techniques demonstrated the feasibility of classifying these products based on their characteristic biomarkers. PLS-DA showed better classification performance than SIMCA.
Article
Chemistry, Analytical
Ivet Jimenez, Clara Perez-Rafols, Nuria Serrano, Manel del Valle, Jose Manuel Diaz-Cuzc
Summary: A voltammetric sensor based on the modification of a screen-printed carbon electrode with reduced graphene oxide (rGO-SPCE) was developed for the determination of capsaicin. The sensor showed improved sensitivity and repeatability compared to other modified electrodes. It achieved a low limit of detection and provided accurate results for the determination of capsaicin in various samples.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Physical
Jordi Fraxedas, David Reguera, Maria Jose Esplandiu
Summary: The research demonstrates the design and fabrication of self-propelling microswimmers based on Nafion, driven by ion-exchange and fueled by innocuous salts. These microswimmers exhibit fascinating collective motion and have the ability to purify water. This finding may offer new solutions for applications in water remediation.
FARADAY DISCUSSIONS
(2023)
Article
Chemistry, Analytical
Phanumas Yomthiangthae, Manel del Valle, Weena Siangproh
Summary: A novel sensing material was developed for the detection of L-hydroxyproline (Hyp). The material consisted of a bismuth film and poly(L-hydroxyproline) synthesized on a screen-printed graphene electrode. The sensor exhibited high response towards Hyp detection due to its large electroactive area. The sensor showed good selectivity and sensitivity, and could linearly measure Hyp concentrations in the range of 0.01-5.0 mM.
Proceedings Paper
Chemistry, Analytical
Xavier Ceto, Marta Bonet-San-Emeterio, Dionisia Ortiz-Aguayo, Elena Rodriguez-Franch, Manel del Valle
Summary: This paper explores the application of voltammetric sensors in combination with different chemometric tools for the identification and quantification of illicit drugs. By analyzing the whole voltammograms using pattern recognition methods to extract characteristic fingerprints, the drugs can be identified and quantified.
2022 IEEE INTERNATIONAL SYMPOSIUM ON OLFACTION AND ELECTRONIC NOSE (ISOEN 2022)
(2022)
Review
Multidisciplinary Sciences
Xavier Ceto, Manel del Valle
Summary: The assessment of water and soil quality is crucial for the health, economy, and sustainability of any community. Electronic tongues are emerging as a promising tool for sustainable and green monitoring of soil and water resources, given the challenge of monitoring a diverse range of compounds.
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)
