Article
Chemistry, Multidisciplinary
Chundan Lin, Yanbing Liu, Di Shao, Guochen Wang, Huiying Xu, Changjin Shao, Wansong Zhang, Zhenqing Yang
Summary: A series of double donor organic dyes, ME101-ME106, designed in this work based on experimentally synthesized dye WD8, show higher stability and electron performance than the single donor dye. Among them, ME106 exhibits potential application value with a smaller energy gap and significant redshift compared to WD8. Results suggest that double donor dyes have stronger electron transfer capability, offering new insights for the design of high efficiency dye-sensitized devices.
Article
Chemistry, Physical
Ambarish Kumar Singh, Jayaraj Nithyanandhan
Summary: The study explored a series of amphiphilic indoline-based unsymmetrical squaraine dyes, where alkyl groups and glycolic chain were systematically modified to control self-assembly and improve interfacial properties. In nonaqueous DSSCs, increasing the number of carbon atoms in alkyl groups enhanced photovoltaic efficiencies. Addition of chenodeoxycholic acid improved efficiency, while increased carbon atoms in the alkyl groups had a detrimental effect on aqueous DSSC efficiency.
ACS APPLIED ENERGY MATERIALS
(2021)
Review
Chemistry, Applied
Akula Surya Teja, Abhishek Srivastava, Jena Akash Kumar Satrughna, Manish Kumar Tiwari, Archana Kanwade, Subhash Chand Yadav, Parasharam M. Shirage
Summary: Natural dye-based dye-sensitized solar cells (DSSCs) have advantages in cost-effectiveness and environmental friendliness, but their efficiency is lower than synthetic dye-based DSSCs and standard Si-solar cells. This review aims to improve the parameters and selection strategy for fabricating DSSCs using natural dyes as sensitizers. It also discusses the impact of plant components and various methods and elements on the overall performance of DSSC devices.
Article
Chemistry, Applied
Raquel Royo, Amelia Dominguez-Celorrio, Santiago Franco, Raquel Andreu, Jesus Orduna
Summary: The synthesis and photovoltaic study of five dyes based on 4H-pyranylidene moiety as donor moiety is reported. Their electrochemical and optical properties are analyzed by using a joint experimental and theoretical approach. The presence of the trifluoromethyl group leads to an enhancement of the molar extinction coefficient.
Article
Energy & Fuels
Adem Sarilmaz, Abdurrahman Ozen, Hasan Akyildiz, Sirin Siyahjani Gultekin, Mahmut Kus, Faruk Ozel
Summary: The study synthesized sulfide-based ternary and quaternary thiospinel nanocrystals as catalysts in DSSCs applications for the first time, instead of Pt. Results showed that CNT-CuCo2S4-based DSSCs had similar power conversion efficiency to Pt-based DSSCs, making them a promising novel counter electrode material for low-cost platinum-free solar cells.
Article
Materials Science, Multidisciplinary
Geetam Richhariya, Anil Kumar
Summary: The study utilized a combination of two synthetic organic dyes, eosin Y and bromophenol, for dye-sensitized solar cells (DSSCs) and confirmed the properties and purity of the materials through various analysis methods. The results showed that the use of mixed dye significantly enhanced the power conversion efficiency of the photovoltaic cells.
Article
Multidisciplinary Sciences
Sirhan Al Batty, Sama M. Al-Jubouri, Mohammed Wali Hakami, Abdulla Sarief, Sk Manirul Haque
Summary: This study focused on extracting natural dyes from fruits for use in Dye-sensitized solar cells (DSSC). Among the four dyes studied, ber dye showed the highest solar cell efficiency, making it a promising candidate for eco-friendly and cost-effective DSSC development.
JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Alioui Abdelaaziz, Si Mohamed Bouzzine, Mohamed Hamidi, Reda M. El-Shishtawy
Summary: New organic (D-pi-A) dyes for dye-sensitized solar cell (DSSC) applications have been designed based on the reference compound R. The designed compounds showed better light harvesting ability with a redshifted absorption spectrum and excellent electron injection efficiency, resulting in improved short-circuit current density and power conversion efficiency.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Physical
Iulia Pausescu, Anamaria Todea, Diana-Maria Dreava, Tania Boboescu, Bianca Patcan, Larisa Patcan, Daiana Albulescu, Valentin Badea, Francisc Peter, Robert Totos, Daniel Ursu, Lorant Szolga, Mihai Medeleanu
Summary: This study investigated the synthesis and application of six new bio-inspired flavylium salts in dye-sensitized solar cells using computational and experimental methods. The results showed that the structural and electronic properties of the dyes influenced their photovoltaic performances, and the quinoidal base forms exhibited better performance in dye-sensitized solar cells.
Article
Chemistry, Inorganic & Nuclear
Carmen Coppola, Alessio D'Ettorre, Maria Laura Parisi, Lorenzo Zani, Gianna Reginato, Massimo Calamante, Alessandro Mordini, Maurizio Taddei, Riccardo Basosi, Adalgisa Sinicropi
Summary: A series of catechol-based sensitizers were presented for potential application in type II DSSCs. By analyzing the electronic and excited state properties of the dyes, it was found that introducing an ethylene spacer as a pi bridge enhances the charge transfer efficiency, regardless of electron-donating or electron-withdrawing substituents.
INORGANICA CHIMICA ACTA
(2021)
Article
Optics
S. Sowmya, Pooja Prakash, N. Ruba, A. Nagamani Prabu, B. Janarthanan, Vasudeva Reddy Minnam Reddy, H. H. Hegazy
Summary: This study attempted to use non-nano-sized TiO2 instead of nano-sized TiO2 in dye-sensitized solar cells, with Amaranthus and Henna leaves chosen as sensitizers. UV-vis and FTIR spectroscopic studies were conducted to understand the absorption range and functional groups of the dyes. The J-V characteristic study showed diode characteristics rather than solar cell characteristics.
Article
Chemistry, Applied
Nuray Arslan, Seyma Nur Yildirir, Altug Mert Sevim, Soner Cakar, Mahmut Ozacar, Ahmet Gul
Summary: Effective non-symmetrical push-pull oxotitanium phthalocyanine dyes and YD2 porphyrin-based sensitizer cocktail are designed, synthesized, and utilized in dye-sensitized solar cells. The phthalocyanine dyes and TiO2 nanoparticles are characterized, and the solar cells are prepared and characterized. The results show that the synthesized solar cells have higher conversion efficiency than the standard dye.
Article
Engineering, Electrical & Electronic
Toka Hatem, Maryam G. Elmahgary, Rami Ghannam, Mohamed A. Ahmed, Sameh O. Abdellatif
Summary: Dye-sensitized solar cells have great potential in low-cost and self-powered nano/micro-scale applications due to their advantages such as low fabrication costs and lead-free structure. This study attempts to boost the conversion efficiency by narrowing the energy band gap of the active layer. The fabricated cell shows promising results with an overall harvested power density of 8.6 mW/cm(2) for various low-power sensing applications.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Engineering, Electrical & Electronic
S. Sowmya, N. Ruba, K. Inbarajan, Pooja Prakash, B. Janarthanan
Summary: The study utilized acetone as a solvent for the first time to extract dye from henna leaves, which were then used as sensitizers in DSSCs. Among the six fabricated DSSCs, the cell with dye extracted from dried leaves using acetone showed the highest efficiency.
OPTICAL AND QUANTUM ELECTRONICS
(2021)
Article
Chemistry, Multidisciplinary
Mohamed Bashir Ali Bashir, Altaf Hussain Rajpar, Ethar Yahya Salih, Emad M. Ahmed
Summary: In this study, dye-sensitized solar cells (DSSCs) based on mesoporous CuO@Zn(Al)O-mixed metal oxides (MMO) were fabricated at different post-processing temperatures. The CuO@Zn(Al)O structure was obtained by using Zn/Al-layered double hydroxide (LDH) as a precursor. The dye loading amount onto the deposited materials was analyzed using a regression equation-based UV-Vis technique, showing a strong correlation with the power conversion efficiency of the DSSCs. Among the assembled DSSCs, CuO@MMO-550 exhibited significant fill factor and power conversion efficiency due to its high surface area and considerable dye loading amount.
Article
Chemistry, Physical
Adeel Akram, Muhammad Arman Liaqat, Sofia Javed, Muhammad Hamid, Usman Ali, Faiza Javed, Mingdeng Wei, Muhammad Aftab Akram
Summary: The challenge of designing high performance hybrid energy storage devices using GNPs and MOFs has been tackled by introducing novel hybrid capacitors with ZIF-67/GNPs and ZIF-8/GNPs composite electrodes and RAE. These devices exhibit high energy and power densities, along with excellent capacitances and columbic efficiencies after thousands of charge-discharge cycles at high current densities.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Multidisciplinary
Jianting Huang, Jinting Li, Linqi Zheng, Guohui Zhong, Yafeng Li, Junming Li, Mingdeng Wei
Summary: By passivating the defects of a perovskite film with two dimensional ZnIn2S4 nanosheets, non-radiation recombination at interfaces was suppressed and contact with water vapor was avoided, leading to a high efficiency of 20.55%.
CHEMICAL COMMUNICATIONS
(2022)
Article
Engineering, Environmental
Jianbiao Wang, Jiajia Huang, Shuping Huang, Yuki Komine, Hiroo Notohara, Koki Urita, Isamu Moriguchi, Mingdeng Wei
Summary: This study proposes a controlled interface engineering strategy to stabilize the cycling performance between the electrode and sulfide solid electrolyte through the shrinkage of SnS, achieving superior electrochemical performance with high capacity and discharge capacity. Density functional theory and Arrhenius equation calculations show that the 1-SnS-600 electrode provides low Li+ insertion energy and activation energy, indicating its high efficiency in all-solid-state lithium-ion batteries.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Xinye Li, Yanru Liu, Chuyuan Lin, Yiyi Wang, Zewei Lei, Peixun Xiong, Yongjin Luo, Qinghua Chen, Lingxing Zeng, Mingdeng Wei, Qingrong Qian
Summary: In this study, BiSbSx nanocrystals are integrated with sulfurized polyacrylonitrile (SPAN) fibers through electrospinning technology and annealing process to form a unique electrode structure, demonstrating superior potassium storage performance. The excellent reversible capacity and cycle stability of the electrode are attributed to the synergistic effects of nanostructure engineering of BiSbSx nanocrystals and chemical interaction of SPAN fibers.
CHEMISTRY-A EUROPEAN JOURNAL
(2022)
Article
Chemistry, Physical
Lihong Xu, Yiyi Wang, Chuyuan Lin, Xinshu Xia, Xiaochuan Chen, Peixun Xiong, Qinghua Chen, Mingdeng Wei, Qingrong Qian, Lingxing Zeng
Summary: The study successfully synthesized a high capacity and stable anode material for sodium and potassium-ion batteries, utilizing a composite of WVO4 and V3Se4 heterostructures. The composite exhibited excellent performance in terms of cycling stability and rate capabilities, demonstrating the potential for developing satisfactory metal oxide anode materials for SIBs and PIBs.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Chengyu Yang, Lvyin Hong, Peidian Chong, Yafeng Li, Mingdeng Wei
Summary: New tin-based metal-phosphine complexes have been synthesized and used as supercapacitor electrodes, demonstrating high specific capacitance and excellent cycling stability. A flexible quasi-solid-state supercapacitor also shows outstanding performance in cyclic stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Junxiu Wu, Anwen Tang, Kaihong Wang, Shuping Huang, Mingdeng Wei
Summary: The designed heterostructural hexagonal@tetragonal GeO2 composite shows self-optimizing effect in lithium storage induced by heterointerface regulation. The porous T-GeO2 layer on the surface can act as a conducting and buffering layer, while the inner H-GeO2 phase reacts preferentially with Li ions.
Article
Chemistry, Multidisciplinary
Yang Chen, Si Zhao, Yueyue Yu, Mingdeng Wei, Sanjay Mathur, Zhensheng Hong
Summary: Mesoporous hollow carbon spheres (MHCS) show promising performance in electrochemical energy applications, with high surface area and low oxygen content. MHCS-Zn demonstrates stable performance at different temperatures and high current densities, and when coupled with Na3V2(PO4)3 cathode, the hybrid capacitor exhibits a high energy density.
Article
Chemistry, Physical
Yiyi Wang, Junbin Liu, Xiaochuan Chen, Biyu Kang, Hong-En Wang, Peixun Xiong, Qinghua Chen, Mingdeng Wei, Neng Li, Qingrong Qian, Lingxing Zeng
Summary: In this study, waste chlorella was used as a reactor and phosphorous source to design few-layered tin sulfides immobilized on nitrogen and phosphorus dual-doped carbon nanofibres. The material exhibited impressive sodium/potassium ion storage performance and promising long-life cycling performance, suggesting its great potential for sodium/potassium-ion battery applications.
Article
Engineering, Environmental
Jinshan Wang, Ruqian Lian, Si Zhao, Lituo Zheng, Yiyin Huang, Mingdeng Wei, Sanjay Mathur, Zhensheng Hong
Summary: In this study, a method of using 3D spaced TiO2 nanotube arrays as a substrate and controlling the deposition behavior of sodium metal with the absorption-diffusion regulation strategy by uniformly coating ultra-fine metal nanocrystals was proposed. It was found that TiO2 substrate has higher sodiophilic activity and sodium absorption energy, while the diffusion of sodium on silver surface is easier, leading to the formation of a mixed Na-Ag layer. The STNTs-Ag || Na half-cell exhibited high Coulombic efficiency and stable cycling life.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Inorganic & Nuclear
Zewei Lei, Jingao Zheng, Xiaotong He, Yiyi Wang, Xuhui Yang, Fuyu Xiao, Hun Xue, Peixun Xiong, Mingdeng Wei, Qinghua Chen, Qingrong Qian, Lingxing Zeng
Summary: A composite material, WS2-SPAN, consisting of tungsten sulphide encapsulated in a sulphurized polyacrylonitrile, was prepared and exhibited impressive ultralong lifespan and stable circulation capacity over a wide temperature range. The material also showed optimized high-rate performance and ultrastable cycling properties for sodium and potassium storage. The electrochemical storage mechanism of WS2-SPAN composites was elucidated through theoretical calculations and electrochemical dynamics.
INORGANIC CHEMISTRY FRONTIERS
(2023)
Article
Chemistry, Multidisciplinary
Zheng-Yang Huo, Yuxin Yang, Jang-Mook Jeong, Xiaoxiong Wang, He Zhang, Mingdeng Wei, Keren Dai, Peixun Xiong, Sang-Woo Kim
Summary: A self-powered water disinfection system, driven by triboelectric nano generators, is presented for efficient water disinfection in rural and disaster-stricken areas lacking power supplies. The system utilizes a flow-driven TENG to generate electricity and a metal-organic framework nanowire array for H2O2 generation and electroporation. The prototype achieves complete disinfection over a wide range of flows with low water flow thresholds, offering promising potential for pathogen control.
Article
Chemistry, Inorganic & Nuclear
Lihong Xu, Jiefeng Ye, Wenti Guo, Tingjie Chen, Xiaochuan Chen, Qingrong Qian, Jianmin Zhang, Mingdeng Wei, Xiangfang Peng, Lingxing Zeng
Summary: In this study, a hybrid material called VSe2/selenized polyacrylonitrile (SePAN) was designed as an anode for potassium-ion batteries. SePAN acts as a dual functional matrix that effectively cushions volumetric variation and provides significant capacity improvement. VSe2 anchored on the SePAN substrate accelerates the reaction kinetics, resulting in excellent energy storage and cycling performance.
INORGANIC CHEMISTRY FRONTIERS
(2023)
Article
Chemistry, Physical
Jingwei Zhu, Xumeng Hu, Zhuoyan Liu, Minghuang Guo, Ying Zhang, Yafeng Li, Junming Li, Mingdeng Wei
Summary: The interfacial photocatalysis of metal oxide electron transport layers (ETLs), especially TiO2, in organometal halide perovskite solar cells (PSCs) has detrimental effects on device stability. A UV absorber, 4,4'-oxybisbenzoic acid (OBBA), was used as a modification layer between TiO2 and perovskite to prevent UV photocatalytic degradation. The modified device showed a high power conversion efficiency (PCE) of up to 22.14% and excellent stability under extreme UV irradiation (365 nm, 600 mW cm(-2); 275 nm, 10 mW cm(-2)).
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Physical
Minghuang Guo, Jianbin Xu, Jinting Li, Jianting Huang, Jingwei Zhu, Yafeng Li, Peng Gao, Junming Li, Mingdeng Wei
Summary: To improve the performance of perovskite solar cells (PSCs), researchers have used passivators to address the defects of perovskite. In this study, a passivator called TA-MN, which has a symmetric bidentate acceptor, was found to have a strong synergistic passivating ability due to the presence of two symmetric cyano groups (CN). This passivator achieved a higher power conversion efficiency (PCE) of 21.19% compared to the TA-CA passivator (20.54%) and the control group (19.49%). The TA-MN-based PSCs also demonstrated good stability and scalability. These findings provide useful insights for the design of passivators with symmetric bidentate acceptors.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
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)
