Review
Energy & Fuels
Mutawara Mahmood Baig, Iftikhar Hussain Gul, Sherjeel Mahmood Baig, Faisal Shahzad
Summary: Electrochemical capacitors or supercapacitors, including electric double-layer capacitors and pseudocapacitors, offer higher energy storage capabilities compared to traditional dielectric capacitors, making them a potential substitute for secondary batteries in applications requiring high output power. Various experimental techniques are available to characterize electrode materials and assess their physical and electrochemical properties in order to understand their performance benefits and limitations.
JOURNAL OF ENERGY STORAGE
(2021)
Review
Energy & Fuels
B. B. Sahoo, V. S. Pandey, A. S. Dogonchi, D. N. Thatoi, N. Nayak, M. K. Nayak
Summary: This review focuses on the various energy storage mechanisms and the development of suitable supercapacitor electrodes. Among the electrode materials, graphene with metal sulphides shows higher specific capacitance, energy density, power density, and cyclic stability, making it commercially promising compared to carbides, nitrides, phosphides, oxides, and polymers.
Review
Chemistry, Physical
Min-cheol Kim, So-Yeon Ham, Diyi Cheng, Thomas A. Wynn, Hyun Suk Jung, Ying Shirley Meng
Summary: In the past decade, organic-inorganic hybrid perovskite solar cells have made unprecedented progress but face challenges in long-term stability and areal scalability. Advanced diagnostic tools such as cryogenic temperature assisted measurements, in situ measurements, and multidimensional mapping techniques can help overcome characterization challenges caused by factors like degradation from the measurement source.
ADVANCED ENERGY MATERIALS
(2021)
Review
Chemistry, Physical
Junxiong Wu, Muhammad Ihsan-Ul-Haq, Yuming Chen, Jang-Kyo Kim
Summary: SEI is a crucial passivation layer on electrode surface, determining battery performance; Factors like electrolyte components, temperature, and electrode materials affect the formation and properties of SEI layers; Despite the challenging in-depth understanding of SEI, advanced techniques and theoretical simulations provide new opportunities for insight.
Review
Materials Science, Characterization & Testing
Hua Wu, Yan Qiao
Summary: Recent research progress in synthetic cell-like entities (protocells) has advanced our understanding of the origin of life, highlighting the crucial role of microscopy techniques in studying protocells. Advanced microscopes with various illumination sources and detectors offer a versatile platform to investigate the thermodynamic and kinetic behaviors of protocells. Understanding the functions and advantages of each technique is essential to obtain high quality microscopic images and extract detailed structural information.
Review
Chemistry, Physical
Chloe L. Tolbert, Declan M. McDonald, Caleb M. Hill
Summary: Two-dimensional semiconductors (2DSCs) have great potential in various applications, but the influence of structural defects on their performance is still not well understood. A better understanding of how structural features affect charge generation and transport in 2DSCs is crucial for improving practical devices. In this Opinion, we discuss the use of electrochemistry to study the behavior of 2DSCs, highlighting recent advancements in mapping photoelectrochemical processes and discussing relevant experiments. We conclude by sharing our perspective on future opportunities in this field.
CURRENT OPINION IN ELECTROCHEMISTRY
(2023)
Article
Chemistry, Physical
Zhen Wang, Jian Chen, Shangqi Sun, Zhiquan Huang, Xiyu Zhang, Xiaoying Li, Hanshan Dong
Summary: This review focuses on the application and development of plasma technologies in electrochemical energy storage systems, with emphasis on their contributions to alkali-ion batteries, metal-based batteries, and supercapacitors. The review discusses the use of plasma technologies in synthesizing and modifying advanced materials, such as electrode materials, current collectors, and separators. It also highlights how these technologies facilitate the regulation of electrode material properties and the development of new materials. The progress on current collectors and separators is also discussed, along with future research directions, challenges, and opportunities in plasma technologies for electrochemical energy storage systems.
ENERGY STORAGE MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Si-Xuan Guo, Cameron L. Bentley, Minkyung Kang, Alan M. Bond, Patrick R. Unwin, Jie Zhang
Summary: This article introduces two advanced spatiotemporal voltammetric techniques for electrocatalytic studies, which provide important insights into the electrochemical reduction of CO2. Fourier transformed large-amplitude alternating current voltammetry allows the resolution of rapid electron-transfer processes, while scanning electrochemical cell microscopy provides high-resolution activity maps and potentiodynamic movies of catalyst surfaces.
ACCOUNTS OF CHEMICAL RESEARCH
(2022)
Article
Chemistry, Physical
Abdul Rehman Akbar, Adil Saleem, Abdur Rauf, Rashid Iqbal, Muhammad Tahir, Gangqiang Peng, Abdul Sammed Khan, Arshad Hussain, Muhammad Ahmad, Mansoor Akhtar, Mumtaz Ali, Chuanxi Xiong, Quanling Yang, Ghaffar Ali, Fude Liu
Summary: In this study, a dually activated carbon cloth is used as the functional current collector to design a high-performance freestanding asymmetric supercapacitor. The integrated electrode shows exceptional capacitance performance and enhanced areal energy and power density. The device exhibits a broad voltage window and extraordinary cycling stability.
JOURNAL OF POWER SOURCES
(2023)
Review
Food Science & Technology
Sara Benede, Daniel Lozano-Ojalvo, Susana Cristobal, Joana Costa, Enza D'Auria, Tanja Cirkovic Velickovic, Maria Garrido-Arandia, Sibel Karakaya, Isabel Mafra, Gabriel Mazzucchelli, Gianluca Picariello, Alejandro Romero-Sahagun, Caterina Villa, Paola Roncada, Elena Molina
Summary: Current methods based on electrophoretic, chromatographic, or immunochemical principles have enabled the study of allergens, but there are still unknown structural features related to the allergenic potential of food proteins. It is also important to evaluate new allergens from novel protein sources that may pose new risks for consumers.
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
(2022)
Article
Materials Science, Multidisciplinary
B. Flipon, V Grand, B. Murgas, A. Gaillac, A. Nicolay, N. Bozzolo, M. Bernacki
Summary: This paper details an image analysis procedure for estimating grain size distribution from optical and scanning electron micrographs, discussing the definition of grain size, classical methodologies, and the impact of data processing parameters on results. The study compares results obtained through electron backscattered diffraction analysis and image analysis based on backscattered electron or optical micrographs, showing the latter to be more efficient in obtaining accurate grain size distribution information.
MATERIALS CHARACTERIZATION
(2021)
Review
Materials Science, Multidisciplinary
Yanzheng He, Sisi Liu, Mengfan Wang, Qiyang Cheng, Haoqing Ji, Tao Qian, Chenglin Yan
Summary: Gas-involved electrochemical reactions offer viable solutions to the global energy crisis and environmental pollution. In situ techniques have gained significant attention as judicious tools for real-time monitoring of the variations in catalysts, intermediates, and products during the reaction process, providing insights into reaction mechanisms, material structures, and active sites. This review highlights the recent progress of various advanced in situ characterization techniques, such as in situ X-ray based technologies, in situ spectrum technologies, and in situ scanning probe technologies, in enhancing our understanding of heterogeneous electrocatalytic reactions. The development and applications of these techniques, along with key questions that need to be addressed, are summarized.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Zu-Wei Yin, Wenguang Zhao, Jianyuan Li, Xin-Xing Peng, Cong Lin, Mingjian Zhang, Zhiyuan Zeng, Hong-Gang Liao, Haibiao Chen, Hai Lin, Feng Pan
Summary: This article introduces the importance of EELS as a powerful tool for chemical compositional analyses in battery studies, as well as its role in revealing abundant information in materials. It also looks ahead at the future development of EELS techniques and their potential applications in battery research.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Diana M. Arciniegas Jaimes, Paulina Marquez, Juan Escrig, Omar Linarez Perez, Noelia Bajales
Summary: Low dimensional carbon allotropes are commonly used in composites, and when combined with magnetic nanostructures, they create versatile materials for sensitive electrodes. Magnetic composites based on permalloy nanowires with graphene oxide and reduced graphene oxide show improved conductivity compared to the pristine matrix, with a more pronounced effect observed in the graphene oxide-based composite, making it an attractive alternative for sensing purposes.
Article
Materials Science, Multidisciplinary
M. A. Merlo, D. M. Arciniegas Jaimes, J. Escrig, O. Linarez Perez, N. Bajales
Summary: The research focuses on obtaining materials for molecular sensors, with carbon-based composites playing a key role. A new composite material composed of sputtered carbon coating on randomly distributed alumina nanochannels was developed, showing potential competitive alternatives for sensing applications with its high surface area.
