Article
Chemistry, Physical
Donglin Han, Xin Liu, Tor Svendsen Bjorheim, Tetsuya Uda
Summary: Increasing Ce content in Y-doped BaZrO3, BaCeO3, and their solid solutions stabilizes protons, increases oxide ion conductivity, and decreases hole conduction, thereby enhancing the ionic conduction of BZCY20 for improved performance in fuel cells and electrolysis cells.
ADVANCED ENERGY MATERIALS
(2021)
Article
Polymer Science
Kei Ohori, Kazuto Hatakeyama, Michio Koinuma, Shintaro Ida
Summary: An all-solid-state supercapacitor without boundary between electrode/electrolyte interface is prepared using MSA-intercalated GO membranes as a proton-conducting electrolyte. The capacitor shows a large capacitance and improved cycle stability due to the seamless structures and high proton conductivity.
MACROMOLECULAR RAPID COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Chao Li, Ying Huang, Xudong Liu, Chen Chen, Xuansheng Feng, Zheng Zhang, Panbo Liu
Summary: A composite solid electrolyte (CSE) based on PEO and reinforced by a three-dimensional porous garnet-type framework has been developed. The CSE exhibits high ionic conductivity, improved electrochemical stability, and is suitable for solid-state lithium batteries.
MATERIALS CHEMISTRY FRONTIERS
(2022)
Article
Chemistry, Physical
Marc Papakyriakou, Mu Lu, Yuhgene Liu, Zhantao Liu, Hailong Chen, Matthew T. McDowell, Shuman Xia
Summary: This study systematically investigated the temperature-dependent deformation behavior of a range of inorganic solid electrolyte materials, highlighting differences in elastic modulus and hardness properties between sulfide and oxide materials, with oxides exhibiting lower hardness and higher tendency to creep. The temperature dependence of creep stress exponent was found to be key in identifying the dominant creep mechanism in the material systems.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Emily M. Hitz, Hua Xie, Yi Lin, John W. Connell, Gary W. Rubloff, Chuan-Fu Lin, Liangbing Hu
Summary: The application of a thin layer of LiPON as an electron barrier in lithium metal batteries reduces electronic conductivity, extends cycle life, and enhances battery electrochemical performance.
Article
Engineering, Electrical & Electronic
Do Thi Thu, Zong-Han Liu, Ya-Chu Lee, Tzu-Wen Kuo, Wei-Lun Sung, Yen-Chang Chu, Yu-Lun Chueh, Weileun Fang
Summary: This study designs and implements a chip-scale amperometric ethanol sensor using the standard commercially available CMOS process and post-CMOS micromachining processes. The sensor consists of a suspended plate with a microhole structure as the working electrode, a fully anchored plate with a microhole structure as the counter electrode, and a microcavity as the electrolyte reservoir. By exploiting the metal and dielectric layers in the CMOS process, the sensor achieves enhanced sensitivity and response time. Measurements show that the sensor has a sensing range of ppm (20-1000 ppm) at room temperature, with a sensitivity of 0.01 nA/ppm and a response time of 6 s. The presented design demonstrates the potential of CMOS-MEMS for amperometric ethanol sensing.
IEEE SENSORS JOURNAL
(2023)
Review
Chemistry, Multidisciplinary
M. Khalid Hossain, S. M. Kamrul Hasan, M. Imran Hossain, Ranjit C. Das, H. Bencherif, M. H. K. Rubel, Md Ferdous Rahman, Tanvir Emrose, Kenichi Hashizume
Summary: This paper discusses the applications of zirconate-based proton-conducting materials in electrochemical cells, focusing on their use in the hydrogen energy field. It provides a comprehensive summary of various doping schemes, experimental setups, operating conditions, and material performance. The challenges hindering the full potential of zirconate materials in electrochemical hydrogen devices are also discussed, and the paper offers suggestions for aspiring researchers in this field.
Article
Chemistry, Multidisciplinary
Andrei Iliescu, Justin L. Andrews, Julius J. Oppenheim, Mircea Dinca
Summary: In this study, a new metal-organic framework material Zn-3[(Zn4Cl)(3)(BTT)(8)](2) with an anionic sodalite-like structure was synthesized and characterized. The material, ZnZnBTT, showed promising Zn-ion conductivity, making it a potential candidate for quasi-solid-state zinc-ion batteries.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Engineering, Biomedical
Jennie J. Paik, Boonjae Jang, Sunghyun Nam, L. Jay Guo
Summary: This study presents a physically crosslinked poly(vinyl alcohol) (PVA)-based hydrogel that acts as a transparent strain-sensing skin adhesive for motion monitoring. By incorporating Zn2+ into the ice-templated PVA gel, a dense amorphous structure is observed, allowing the material to stretch up to 800% strain. Fabrication in a binary glycerol:water solvent results in electrical resistance in the k omega range, a gauge factor of 0.84, and ionic conductivity on the scale of 10(-4) S cm(-1), making it a promising low-cost candidate for stretchable electronic materials. The study also investigates the relationship between improved electrical performance and polymer-polymer interactions using spectroscopic techniques.
ADVANCED HEALTHCARE MATERIALS
(2023)
Article
Chemistry, Analytical
Zinan Zhi, Wanshuo Gao, Jiawei Yang, Chong Geng, Boxuan Yang, Chen Tian, Shurui Fan, Haoyi Li, Jinpo Li, Zhongqiu Hua
Summary: In this study, an amperometric electrochemical hydrogen sensor was developed using solid polymer electrolyte and screen-printed electrodes (SPE). The sensitivity was enhanced by modifying the carbon electrode with a Pt/C/Nafion film. It was shown that the electrochemical behavior of hydrogen and Pt nanoparticles involved single electron transfer in an anaerobic environment and coupling with oxygen in an aerobic environment. A solid amperometric gas sensor was also fabricated using 3D printing, a solid polymer electrolyte, and modified electrodes, resulting in a simple device fabrication process with significantly improved sensitivity.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Chemistry, Multidisciplinary
Taewon Kim, Sang Hyeok Ahn, You-Yeob Song, Beom Jin Park, Chanhee Lee, Ahreum Choi, Min-Ho Kim, Dong-Hwa Seo, Sung-Kyun Jung, Hyun-Wook Lee
Summary: The study reveals that Prussian Blue analogue (PBA) open-framework structures can serve as solid electrolytes with high Na+ conductivity. The lattice parameter of N-coordinated transition metal has been found to be associated with Na+ conductivity. Feasibility tests have shown excellent cycle retention and stability of Mn-PBA. This research provides valuable insights for the development of alternative strategies to realize all-solid-state batteries.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Xin Ao, Xiaotao Wang, Jiewen Tan, Shaolong Zhang, Chenliang Su, Lei Dong, Mingxue Tang, Zhongchang Wang, Bingbing Tian, Haihui Wang
Summary: A new strategy of constructing a Li+ fast conducting network using CeO2 nanowires in composite solid polymer electrolytes has been proposed, significantly improving the ionic conductivity and demonstrating excellent cycling performance in Li batteries.
Article
Chemistry, Physical
Deepak Rase, Rajith Illathvalappil, Himan Dev Singh, Pragalbh Shekhar, Liya S. Leo, Debanjan Chakraborty, Sattwick Haldar, Ankita Shelke, Thalasseril G. Ajithkumar, Ramanathan Vaidhyanathan
Summary: The adaptable polymer-based solid-state electrolyte with cationic viologen centers shows high hydroxide ion conductivity and stability, making it suitable for applications in zinc-air batteries.
NANOSCALE HORIZONS
(2023)
Article
Chemistry, Physical
Thorben Boeger, Tim Bernges, Yuheng Li, Pieremanuele Canepa, Wolfgang G. Zeier
Summary: Solid electrolytes and solid-state batteries are gaining attention as a potential alternative to lithium-ion batteries, with increased energy density and safety. However, little is known about the thermal transport properties of solid electrolytes. This study reports the thermal properties of electrolytes in the argyrodite family and Li10GeP2S12 at different temperatures and porosities, finding that the thermal conductivities of solid electrolytes are similar to liquid electrolytes.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Tianyi Hou, Yumin Qian, Dinggen Li, Bo Xu, Zhenyu Huang, Xueting Liu, Haonan Wang, Bowen Jiang, Henghui Xu, Yunhui Huang
Summary: This study presents an iodine-driven strategy to address the issues of insufficient ionic conductivity and low Li+ transference numbers in solid polymer electrolytes (SPEs). The introduction of electronegative iodine-containing groups effectively attracts Li+ ions, facilitates Li+ transport, and promotes the dissociation of Li salts. The iodinated single-ion conducting polymer electrolyte (IPE) demonstrates excellent ionic conductivity and Li+ transference numbers, as well as high stability in Li/Li cells and Li-S batteries, achieving high-capacity retentions when matched with intercalation cathode chemistries.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Article
Chemistry, Physical
Angeliki Brouzgou, Antonis Seretis, Shuqin Song, Pei Kang Shen, Panagiotis Tsiakaras
Summary: In this study, carbon supported PtMe (Me = Ir or Pd) electrocatalysts with different atomic ratios were investigated for their CO tolerance and durability. It was found that Pd/C showed higher CO tolerance than Pt/C, while PtPd3/C exhibited the highest CO tolerance ability. Pt3Ir/C showed higher CO tolerance ability than Pt/C but could not resist at such high CO concentrations for more than 6 hours.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Biochemistry & Molecular Biology
Syed Shoaib Ahmad Shah, Tayyaba Najam, Costas Molochas, Muhammad Altaf Nazir, Angeliki Brouzgou, Muhammad Sufyan Javed, Aziz ur Rehman, Panagiotis Tsiakaras
Summary: Heteroatom doping plays a crucial role in enhancing the catalytic performance of carbon-based hierarchical nanostructures, with metal nanoparticles embedded in carbon nanotubes showing improved oxygen reduction reaction (ORR) electrocatalytic performance. Phosphidation of the metal nanoparticles further increases the surface area and porosity, leading to faster electron transfer and lower charge transfer resistance. The resulting catalyst exhibits a promising half-wave potential, Tafel slope, and stability, outperforming the precious metal catalyst Pt/C. This study provides a novel approach for designing improved catalytic performance in energy devices through the synthesis of multiple crystal phases.
Review
Chemistry, Analytical
Georgia Balkourani, Theodoros Damartzis, Angeliki Brouzgou, Panagiotis Tsiakaras
Summary: The high conductivity and large surface area of graphene material enhance the sensitivity of non-enzymatic electrochemical sensors. This review classifies the synthesis methods of enzymeless graphene-based glucose electrocatalysts into four main categories and analyzes their electrochemical sensing properties. The mass and charge transport between metal(II)/metal(III) is found to be crucial for glucose electrooxidation mechanism.
Article
Chemistry, Physical
Elena Gorbova, Fotini Tzorbatzoglou, Costas Molochas, Dimitris Chloros, Anatoly Demin, Panagiotis Tsiakaras
Summary: The rapid development of science, technology, and engineering in the 21st century has improved living standards. However, it has also caused serious environmental issues. Electrochemical gas sensors can help address these problems and provide information about the presence of dangerous gases.
Review
Chemistry, Physical
Qisi Chen, Panagiotis Tsiakaras, Peikang Shen
Summary: This review introduces the electrochemical reduction of CO2 and focuses on recent accomplishments with respect to Au-based nanocatalysts. Manipulating various factors allows for the identification of clues for excellent Au-based nanocatalysts.
Article
Chemistry, Physical
Anatoly Kalyakin, Anatoly K. K. Demin, Elena Gorbova, Alexander Volkov, Panagiotis E. E. Tsiakaras
Summary: This study describes the performance and assessment of a sensor based on a solid oxide electrolyte for measuring water vapor and hydrogen content in air. The sensor, equipped with a ceramic diffusion barrier, operates successfully at 700°C and can be used for continuous determination of the concentrations of water vapor and hydrogen in air. A two-stage method is proposed to determine the amount of hydrogen and steam in the ambient air.
Article
Chemistry, Physical
Yuanyan Luo, Wenhua Lou, Huiyan Feng, Zhihang Liu, Qiuyan Chen, Guizhen Liao, Xiaoting Huang, Panagiotis Tsiakaras, Peikang Shen
Summary: Ultra-small Pt-based catalysts were synthesized by a Pd seed-inducing-growth route, showing specific effects for enhancing the oxygen reduction reaction (ORR) and improving Pt utilization.
Article
Chemistry, Physical
Zhangyu Xie, Zhaoqi Song, Jie Zhao, Ying Li, Xingke Cai, Dongqing Liu, Jun Shen, Panagiotis Tsiakaras
Summary: In this study, cost-effective and high efficiency electrocatalysts for water electrolysis were developed. CuZr metallic glass powder was chemically dealloyed to increase specific area and optimize surface composition. The dealloyed CuZr sample exhibited lower overpotential and higher stability in both hydrogen evolution reaction (HER) and oxygen evaluation reaction (OER) processes.
Review
Chemistry, Physical
Elena Gorbova, Georgia Balkourani, Costas Molochas, Dimitrios Sidiropoulos, Angeliki Brouzgou, Anatoly Demin, Panagiotis Tsiakaras
Summary: Hydrogen sensors, especially those operating at high temperatures, are crucial for the safe and widespread use of hydrogen as fuel in the emerging hydrogen economy. This review focuses on hydrogen sensors based on solid oxide electrolytes and discusses their configuration, principle of operation, and application.
Review
Biochemistry & Molecular Biology
Syed Shoaib Ahmad Shah, Naseem Ahmad Khan, Muhammad Imran, Muhammad Rashid, Muhammad Khurram Tufail, Aziz ur Rehman, Georgia Balkourani, Manzar Sohail, Tayyaba Najam, Panagiotis Tsiakaras
Summary: The hydrogen evolution reaction (HER) is a promising technology for delivering clean energy using renewable sources. The use of transition metal tellurides (TMTs) and transition metal phosphides (TMPs) as electrocatalysts has emerged as a highly efficient, low-cost, and stable alternative to platinum-based catalysts. This review focuses on the progress made in the past decade, providing a detailed summary of their development and offering guidelines for the design of new electrocatalysts for energy conversion and storage technologies.
Review
Chemistry, Physical
Georgia Balkourani, Angeliki Brouzgou, Panagiotis Tsiakaras
Summary: Dopamine is an important neurotransmitter with abnormalities in its levels leading to various dysfunctions and diseases. Electrochemical sensing using carbonaceous electrodes has been proven to be an accurate and low-cost method for dopamine detection. Different modifications such as graphene, carbon-based materials, non-noble metal/metal oxide nanoparticles, conducting polymers, and heteroatoms have been explored to enhance the sensitivity and selectivity of dopamine detection. However, challenges such as maintaining the consistency of metal nanoparticles morphology and reproducibility of conducting polymers modified electrodes still exist. The mechanism of dopamine oxidation on different electrodes is also discussed.
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)