Article
Chemistry, Physical
Adel Daoud, Ali Cheknane, Afak Meftah, Jean Michel Nunzi, Hikmat S. Hilal
Summary: Maximizing dye adsorption onto semiconductor surfaces is crucial for improving the performance of n-type dye-sensitized solar cells (n-DSSCs) based on dye@ZnTiO3. The polarity of the solvent used in loading merocyanine dye (MC-540) onto ZnTiO3 film electrodes is investigated for the first time. Water, a highly polar solvent, exhibits the highest dye adsorption energy and leads to the highest cell performance compared to organic solvents.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2023)
Article
Optics
Mustafa M. Kadhim, Taleeb Zedan Taban, Sallal A. H. Abdullaha, Zainab Sabri Abbas, Safa K. Hachim, Ahmed Mahdi Rheima, Haider Abdulkareem Almashhadani, Abdol Ghaffar Ebadi
Summary: In this paper, a new series of organic chromophores based on triphenylamine (TPA) were developed by modifying the structure of the electron donor unit. Density functional theory (DFT) and time-dependent DFT (TD-DFT) were employed to study the photovoltaic, absorptional, energetic, and geometrical characteristics of these sensitizers. The results showed that AL-22 exhibited the most promising properties among the other dyes.
Article
Energy & Fuels
Satish S. Patil, Rahul M. Mane, Kishorkumar Khot, Sawanta S. Mali, Chang Kook Hong, Popatrao N. Bhosale
Summary: In this study, a surfactant-assisted WO3 photoanode for DSSC was successfully designed using a single-step hydrothermal route. The surfactant's influence on the growth and photoresponse properties of dye-sensitized WO3 was investigated. The results showed improved photovoltaic performance, with a direct allowed type of electronic transition and a band gap energy ranging from 2.82 to 2.38 eV. The formation of pure hexagonal crystals and tuning in surface morphology from nanospheres to nanoflowers were also observed.
Article
Energy & Fuels
Deeksha Kharkwal, Nidhi Sharma, Saral Kumar Gupta, Chandra Mohan Singh Negi
Summary: The study found that using a co-sensitized dye as a photosensitizer can increase the power conversion efficiency of dye-sensitized solar cells, mainly due to the significant increase in open-circuit voltage and reduction in charge recombination. Impedance spectroscopy analysis showed that co-sensitized dye-based DSSC has higher charge recombination resistance and longer carrier lifetime.
Article
Materials Science, Multidisciplinary
Varsha Yadav, Chandra Mohan Singh Negi, D. Kishore Kumar, Saral Kumar Gupta
Summary: This research explored low-cost and eco-friendly alternative dyes for DSSCs, analyzing their morphological, structural, and crystalline properties. DSSCs based on natural dye and fabric dye showed different efficiencies, with the natural dye-based DSSC exhibiting superior performance. The study suggests that the better morphological and crystalline properties of natural dye-based sensitizers contribute to the improved performance of DSSCs.
Article
Chemistry, Physical
Sultan A. Al-horaibi, Abdel-Basit Al-Odayni, Abdulmajeed Alezzy, Mohammed ALSaeedy, Arwa Al-Adhreai, Waseem Sharf Saeed, Ahmed Hasan
Summary: The synthesis of SQI-5 and SQI-6 dyes with -SO3H and -COOH functional groups provides a promising avenue to enhance the efficiency of dye-sensitized solar cells (DSSCs) in the near-infrared (NIR) region. These newly developed dyes exhibit exceptional solubility in various organic solvents. The SQI-6 dye, featuring -COOH anchoring group, demonstrates the best photovoltaic performance among the investigated sensitizers.
JOURNAL OF MOLECULAR STRUCTURE
(2023)
Article
Chemistry, Physical
Satish A. Mahadik, Hemraj M. Yadav, Sarika S. Mahadik
Summary: By tuning surface polarity and sensitizing TiO2 nanorods with chlorophyll-a dye, improvements in DSSCs have been achieved. Various surface properties such as superhydrophobicity and reduction in oxygen defects were successfully explored. The sensitized system showed a 3.69 times improvement in PEC under 1000 W light illumination.
COLLOID AND INTERFACE SCIENCE COMMUNICATIONS
(2022)
Article
Engineering, Electrical & Electronic
V. Gowthambabu, Mrunal Deshpande, R. Govindaraj, V. K. Nithesh Krishna, M. Leela Charumathi, J. Manish Kumar, M. S. Dhilip Vignesh, R. Isaac Daniel, P. Ramasamy
Summary: This study synthesized highly phase pure anatase TiO2 microspheres using a low-cost hydrothermal route, characterized them using various analysis methods, and fabricated dye-sensitized solar cells. The results showed that the DSSC composed of prepared TiO2 microspheres exhibited a higher power conversion efficiency compared to commercial P25.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Chemistry, Physical
Shanmuganathan Venkatesan, Tsung-Yu Chien, Hsisheng Teng, Yuh-Lang Lee
Summary: This study synthesized gold (Au) and poly(3-hexylthiophene) (P3HT) composite nanoparticles (Au@P3HT) for modifying dye-sensitized solar cells (DSSCs). The experimental results showed that the spherical Au@P3HT nanoparticles had a mean diameter of 6 nm. The modification with Au@P3HT not only enhanced light absorption in the long wavelength region, but also improved the incident photon to current conversion efficiency and increased the recombination resistance. The DSSC achieved an energy conversion efficiency of 9.34% using this method.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Yunfei Jiao, Shuaishuai Liu, Zhongjin Shen, Le Mao, Yongjie Ding, Dan Ren, Felix Thomas Eickemeyer, Lukas Pfeifer, Dapeng Cao, Wenjuan Xu, Juan Song, Baoxiu Mi, Zhiqiang Gao, Shaik M. Zakeeruddin, Wei Huang, Michael Gratzel
Summary: Heteroaromatic units are commonly used as pi-spacers for sensitizers in dye-sensitized solar cells. The type of pi-spacer strongly influences the solar to electric power conversion efficiency of organic dyes, with electron-rich pi-spacers leading to higher efficiency. Molecular engineering plays a crucial role in developing high efficiency organic dyes for DSSCs.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Amin Alizadeh, Zahra Shariatinia
Summary: By utilizing a tri-layered photoanode structure and nanocomposite materials, researchers have successfully enhanced the performance of dye-sensitized solar cells (DSSCs). They have also found that the SmFeO3 nanostructure has a significant impact on the performance of the cells.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Multidisciplinary
Lin Zhu, Peng Li, Huanhuan Sun, Xiaoxia Han, Yitong Xu, Xiaolei Wang, Bingbing Liu, Yukihiro Ozaki, Bing Zhao
Summary: The study investigates the impact of high pressure on the charge transfer probability in DSSCs, showing that changes in band gap induced by high pressure can enhance CT processes. Additionally, the introduction of Ag NPs in the DSSC system enhances light trapping ability and offers additional CT pathways, potentially improving photoelectric conversion efficiency.
Article
Chemistry, Inorganic & Nuclear
Anurag Roy, M. J. S. Mohamed, M. A. Gondal, Tapas K. Mallick, Asif Ali Tahir, Senthilarasu Sundaram
Summary: Dye-sensitized solar cells (DSSCs) can achieve enhanced performance by engineering the materials at the interface of different device components. The most commonly used photosensitizers for DSSCs are Ru (II) polypyridyl-based synthetic dyes, but they are expensive. This study explores the use of natural and metal-free organic dyes as alternatives to synthetic dyes, and introduces Cu-doped CdS as a co-sensitizer to improve light-harvesting. The introduction of Cu leads to a broad absorption range and enhances optical interaction with the N719 dye, resulting in improved photocurrent density and overall performance of the DSSC.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Review
Chemistry, Multidisciplinary
Xugeng Guo, Wenpeng Wu, Yuanyuan Li, Jinglai Zhang, Li Wang, Hans Agren
Summary: Upconversion technology has been increasingly used in solar cells to improve efficiency by harvesting infrared light from the sun. Research has focused on fundamental principles of upconversion, with techniques like incorporating upconverting nanophosphors directly into photoanodes and introducing plasmonic metal nanoparticles showing promising results. Other methods such as utilizing microlenses and organic IR antennas for field enhancement have also been explored.
CHINESE CHEMICAL LETTERS
(2021)
Article
Engineering, Electrical & Electronic
Yiqi Zhang, Bao Zhou, Liang Luo, Zaixin Xie, Zhuoqi Duan, Yongmao Hu
Summary: In this study, Sn-alloyed Cu2O was used as a potential alternative material for the counter electrode in dye-sensitized solar cells. It was found that Sn-alloyed Cu2O can increase the specific surface area of electron transport and decrease the band gap of the film through the annealing process. The reaction time of Sn alloying has a significant influence on the photoelectric conversion efficiency of the cells.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Polymer Science
Rajangam Vinodh, Raji Atchudan, Hee-Je Kim, Moonsuk Yi
Summary: This review presents the recent development of polysulfone-based electrolyte membranes and their composites for fuel cell applications. The influence of fillers on the performance of electrolyte membranes is discussed, along with the key issues of enhancing ionic conductivity and chemical stability. The future research directions for polymer electrolyte membranes are also briefly summarized.
Review
Chemistry, Physical
Saravanan Nagappan, Malarkodi Duraivel, Shamim Ahmed Hira, Kandasamy Prabakar, Chang-Sik Ha, Sang Hoon Joo, Ki Min Nam, Kang Hyun Park
Summary: This review highlights the significance of heteroatom doped core-shell nanostructures (HCSNs) as superior electrocatalysts for the oxygen reduction reaction (ORR), emphasizing how various heteroatom dopants contribute to enhanced ORR performance. Nitrogen doping in different forms of CSNs creates high surface area and reactive active sites for improved ORR efficiency, making them promising for practical applications in ORR electrodes. Additionally, the combination of multiple heteroatom dopants in CSNs shows potential for synthesizing highly efficient ORR electrodes.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Computer Science, Information Systems
Do-Hyun Kim, Min-Soo Kim, Kandasamy Prabakar, Hee-Je Kim
Summary: Fast charging technology has gained attention due to the increased use of batteries in electric vehicles, light electric vehicles, and energy storage systems. However, fast charging can lead to issues such as fire, heat, and battery performance degradation. This paper proposes a real-time monitoring system to efficiently manage the charger and battery status.
Article
Energy & Fuels
Aravindha Raja Selvaraj, Iruthayapandi Selestin Raja, Deviprasath Chinnadurai, Rajmohan Rajendiran, Inho Cho, Dong-Wook Han, Kandasamy Prabakar
Summary: The fabrication of high-performance supercapacitors using carbon nanofibers, manganese dioxide, and reduced graphene oxide through electrospinning process shows significant enhancement in specific capacitance and energy density.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Malarkodi Duraivel, Saravanan Nagappan, Kang Hyun Park, Kandasamy Prabakar
Summary: Halloysite nanotubes (HNT) are naturally occurring one-dimensional porous clay minerals with hydroxyl functional groups suitable for O2 evolution reaction. Coating HNT-based electrocatalyst on Ni foam substrate shows excellent water oxidation activity and stability in alkaline electrolyte solution.
APPLIED CLAY SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Iruthayapandi Selestin Raja, Seok Hyun Lee, Moon Sung Kang, Suong-Hyu Hyon, Aravindha Raja Selvaraj, Kandasamy Prabakar, Dong-Wook Han
Summary: Wettability has a greater influence on cellular behaviors on nanofibrous scaffolds compared to surface morphology.
MATERIALS & DESIGN
(2022)
Article
Chemistry, Physical
Rajangam Vinodh, Rajendran Suresh Babu, Raji Atchudan, Hee-Je Kim, Moonsuk Yi, Leandro Marques Samyn, Ana Lucia Ferreira de Barros
Summary: This study presents the synthesis of porous NiO nanoparticles through a simple hydrothermal method and demonstrates their excellent electrochemical performance. The unique morphology of NiO plays a crucial role in enabling efficient ion transport, shortening electron and ion pathways, and providing active sites for electrochemical reactions. Moreover, the assembled asymmetric supercapacitor (ASC) composed of NiO-300 and activated carbon (AC) shows outstanding supercapacitive performance.
Article
Electrochemistry
Kai Chen, Rajmohan Rajendiran, Chinnadurai Deviprasath, Sobin Mathew, Young-Rae Cho, Kandasamy Prabakar, Oi Lun Li
Summary: Alkaline water electrolysis is an attractive hydrogen generation technology that produces high purity hydrogen with zero carbon emissions. However, the slow kinetics of oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) limit its applications. By optimizing the catalyst structure and conductivity, the reaction rates and conductivity can be significantly improved.
Review
Chemistry, Multidisciplinary
Rajangam Vinodh, Rajendran Suresh Babu, Sangaraju Sambasivam, Chandu V. V. Muralee Gopi, Salem Alzahmi, Hee-Je Kim, Ana Lucia Ferreira de Barros, Ihab M. Obaidat
Summary: Supercapacitors, with their excellent capacitance and rate efficiency, extended durability, and cheap materials price, are regarded as one of the most promising energy storage devices. The choice of electrode materials is critical for the performance of supercapacitors. The combination of polyaniline (PANI) and metal-organic frameworks (MOFs) as electrode materials shows additional benefits and is predicted to be the next-generation electrode materials for efficient supercapacitors.
Article
Electrochemistry
Malarkodi Duraivel, Saravanan Nagappan, Kang Hyun Park, Kandasamy Prabakar
Summary: This study reports the use of NiMn layered double hydroxide (LDH) grown hydrothermally on nickel foam substrate for water splitting application. The Ni3+/Ni2+ and Mn3+/Mn2+ ratios are tuned to enhance the active sites for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER).
Article
Green & Sustainable Science & Technology
Malarkodi Duraivel, Saravanan Nagappan, Kandasamy Prabakar
Summary: The study shows that NO3- intercalation alters the surface and electronic structure of the iron hydrogen phosphate catalyst, thereby enhancing the oxygen evolution reaction and hydrogen evolution reaction. This intercalation enhances the wetting properties of the catalyst and improves the contact between the electrode and electrolyte, leading to enhanced mass transfer capability.
Article
Electrochemistry
Malarkodi Duraivel, Saravanan Nagappan, Jeygeerthika Reddy, Kang Hyun Park, Kandasamy Prabakar
Summary: Hydrogen production via electrochemical water splitting is achieved by using composition tuned binary NiMn oxides and manganese oxide-modified nickel oxide nanosheets, which provide excellent bifunctional electrocatalytic properties for overall water splitting. The synergistic interaction between Ni3+ and Jahn-Teller active Mn3+ facilitates O-O bond formation, while the higher Mn3+ and NiO active sites promote OH- adsorption and accelerate the OER reaction.
ELECTROCHIMICA ACTA
(2023)
Article
Chemistry, Multidisciplinary
Peer Mohamed Sanjitha Banu, Johnson Henry, Ganesan Sivakumar, Kandasamy Prabakar, Kannusamy Mohanraj
Summary: In this study, p-type to n-type conversion in Fe-doped Cu2BaSnS4 (CBTS) nanoparticles synthesized via a hydrothermal process is reported. The increase in doping concentrations resulted in an increased band gap and decreased particle size. During the conversion, the electron donor concentration increased, leading to an enhancement in conductivity. This conversion process and the optimized charge carrier concentration resulted in an increased photo conversion efficiency.
NEW JOURNAL OF CHEMISTRY
(2023)
Review
Materials Science, Multidisciplinary
Saravanan Nagappan, Malarkodi Duraivel, NaHyun Park, Kandasamy Prabakar, Kang Hyun Park
Summary: Core-shell nanostructures play an important role in energy conversion and storage applications. Heteroatom doping can significantly enhance their catalytic activity and performance. They have diverse applications in fuel cells and batteries, particularly in various types of membranes and metal-ion batteries. This review discusses the applications of heteroatom-doped nanomaterial and core-shell nanostructures in fuel cells and batteries, and explores their advantages, disadvantages, and future prospects.
MATERIALS ADVANCES
(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)