Article
Chemistry, Inorganic & Nuclear
Xiudu Zhang, Mengya Huang, Yali Wang, Yonghong Ni
Summary: Changing the solvation environment can stabilize different conformers of sandwich phthalocyaninates. Through crystallographic characterization and NMR spectra analysis, it has been demonstrated that solvation-induced conformational switching affects the magnetic properties of lanthanide trisphthalocyaninates.
INORGANIC CHEMISTRY
(2023)
Review
Energy & Fuels
Gexi Wang, Lizhong He, Zengpeng Guo, Mengbin Li
Summary: Ternary layered double hydroxides have emerged as attractive electrode materials for supercapacitors. However, there is a lack of systematic review on the effects of support and composition on their electrochemical performance. This review discusses the recent progress in synthesis methods, composite design, and composition design of ternary double hydroxides for supercapacitors. Additionally, potential development directions and opportunities are also explored.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Xuezhen Zhu, Xueyan Li, Haisheng Tao, Maoguo Li
Summary: In this study, Co2Al/Co2Mn nanocomposites with excellent electrochemical performance were successfully prepared on nickel foam, reducing internal resistance and enhancing charge transport capabilities. The nanocomposites showed significantly improved performance in hybrid supercapacitors, with excellent cycle stability and potential for practical applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Huayu Wang, Qingqing He, Feiyang Zhan, Lingyun Chen
Summary: In this study, three-dimensional vertical nanosheet arrays of NiFeCo LDH were designed, showing excellent electrochemical properties for applications in high-performance batteries and supercapacitors. The material exhibited high specific capacity, good cycling stability, and outstanding coulombic efficiency, as demonstrated by electrochemical tests.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Crystallography
Di Jiang, Chuanying Wei, Ziyang Zhu, Xiaohui Xu, Min Lu, Guangsheng Wang
Summary: In this research, flower-like layered nickel-based bimetallic MOFs microspheres with different metal central ions were synthesized and the optimization of specific capacitance of NiCo-MOFs and NiMn-MOFs was confirmed. NiCo-MOFs showed a specific capacitance of 882 F·g(-1) at 0.5 A·g(-1) with satisfactory cycle life.
Review
Chemistry, Physical
Sharath Kandambeth, Vinayak S. Kale, Osama Shekhah, Husam N. Alshareef, Mohamed Eddaoudi
Summary: 2D-COFs are promising materials for electrochemical energy storage due to their ordered structure design, tunable pore size, and ability to accommodate mobile ions with different sizes and charges, making them suitable for various types of batteries. Their strong covalently linked framework backbone also provides long cycle life and stability against leaching out in strong electrolytes.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
X. Chen, M. He, Y. Zhou, G. He, C. Meng, Q. Cheng, F. Li
Summary: Reasonably designing the structure of composite materials and effectively increasing electroactive sites of electrode materials can enhance the electrochemical performance for supercapacitors.
MATERIALS TODAY CHEMISTRY
(2021)
Review
Energy & Fuels
Susmi Anna Thomas
Summary: This article provides a review of the potential applications of black phosphorous (BP) in rechargeable batteries. It discusses the unique properties of BP compared to other 2D materials and explores various synthesis methods. The article also examines the application of BP in different types of rechargeable batteries and emphasizes the preparation of BP-based hybrid electrodes. The advantages of BP-based hybrid electrodes, such as high specific capacity and long cycle life, highlight their potential use in next-generation rechargeable batteries.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Energy & Fuels
Junshu Chen, Xiaoyan Sun, Weiqi Kong, Qinlin Yu, Yiting Long, Tianlong Zhou, Cunhai Hu, Yatang Dai, Jiaxu Gong, Linyu Pu, Huan Zhang, Wei Wang
Summary: This study presents an original method for in situ synthesis of hollow spherical bimetallic MOF-derived sulfides on nickel foam, achieving a seamless connection between the MOFs and electrode materials without adhesives. The prepared electrodes demonstrate high specific capacitance, low electrochemical resistance, and excellent cycling stability, indicating promising electrochemical performance.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Energy & Fuels
Hyeon Seo Jeong, Gopinath Sahoo, Sang Mun Jeong
Summary: Bimetallic MOFs (NiCo MOFs) synthesized on surface-engineered carbon nanofibers (NiCo CNFs) enhance the electrochemical activity and growth of NiCo MOF, leading to improved electrochemical performance.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Engineering, Environmental
Xijuan Li, Xukun Wang, Guo Liu, Xinyi Sui, Qingfeng Wu, Xinge Wang, Xueliang Lv, Erqing Xie, Zhengxing Zhang
Summary: By applying the water-in-salt electrolyte and PPy coating to metal hydroxides, the working potential of micro-supercapacitors was broadened and the structure stability was enhanced. The asymmetric MSCs with PPy@NiCo-LDH@ITO NWs as the cathode, PPy@FeOOH@ITO NWs as the anode, and WIS electrolyte showed high capacitance retention and energy density.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Guomei Mu, Guangzhao Wang, Qiuping Huang, Yujie Miao, Dan Wen, Dunmin Lin, Chenggang Xu, Yinji Wan, Fengyu Xie, Wenhan Guo, Ruqiang Zou
Summary: A one-pot formation of bimetallic metal-organic framework (MOF)/layered double hydroxide (LDH) heterojunction electrodes is achieved through kinetic controlled synthesis for efficient oxygen evolution reaction (OER) electrocatalysis. The heterojunction electrodes show hierarchical structures, promoting fast mass transport and high exposure of active sites. The strong interactions at the MOF/LDH heterojunction interfaces contribute to outstanding OER activity surpassing state-of-the-art RuO2 catalysts.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Energy & Fuels
Pitcheri Rosaiah, Nunna Guru Prakash, Ponnusamy Divya, Sangaraju Sambasivam, Mohd Shkir, H. Algarni, Tae Jo Ko
Summary: In this study, NiCo-layered double hydroxides (NC-LDH) in composition with reduced graphene oxide (rGO) were designed and fabricated as high-performance electrodes for supercapacitors. The facile and one-pot scheme resulted in the growth of NC/rGO-LDH composites with a high specific surface area, contributing to their impressive specific capacitance and cyclic performance. An asymmetric supercapacitor was also designed, demonstrating a high energy density.
JOURNAL OF ENERGY STORAGE
(2022)
Review
Chemistry, Multidisciplinary
Antonysamy Dennyson Savariraj, Chellan Justin Raj, Amol Marotrao Kale, Byung Chul Kim
Summary: Metal-organic frameworks and their derivatives have shown great potential as electrocatalysts for supercapacitors due to their unique structure, customizable functionalities, and tunable pore sizes. By eliminating insulating binders and using in situ grown MOFs, the electrochemical performance of supercapacitors can be significantly improved. This review provides a comprehensive summary of different metal-ligand combinations, preparation techniques, modification strategies, properties, and charge transport mechanisms of MOFs as freestanding electrode materials, as well as highlighting the potential promises, challenges, and state-of-the-art advancements in the rational design of electrodes for energy storage applications.
Article
Energy & Fuels
Sagar M. Mane, Aviraj M. Teli, Hee Kwon Yang, Ein Kwon, Nilam A. Nimbalkar, Deepak R. Patil, Jae Cheol Shin
Summary: This study presents a solvothermal strategy for developing high-performance self-supported hybrid electrode materials on Ni foam. The CuCo-layered double hydroxide (CuCo-LDH) with a unique self-supporting architecture exhibits ultrahigh areal capacitance and excellent cycling stability. The proposed hybrid electrode material shows high areal capacitance of 7.02 F·cm(-2) and remarkable cycling life of 96.60% over 10,000 cycles. Furthermore, when combined with an AC anode, this hybrid architecture achieves a high volumetric capacitance, capacitance retention, and volumetric energy density, demonstrating its potential for future wearable and electronic device applications.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Inkyum Kim, Hyeonhee Roh, Jinsoo Yu, Nagabandi Jayababu, Daewon Kim
ACS ENERGY LETTERS
(2020)
Article
Chemistry, Multidisciplinary
Seungju Jo, Inkyum Kim, Nagabandi Jayababu, Hyeonhee Roh, Youngsu Kim, Daewon Kim
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2020)
Article
Acoustics
Nagabandi Jayababu, Seungju Jo, Youngsu Kim, Daewon Kim
Summary: The combination of carbon nanotubes (CNTs), zinc oxide (ZnO), and nickel oxide (NiO) in supercapacitor electrodes showed significant improvements in performance, enhancing areal capacity and cycling stability.
ULTRASONICS SONOCHEMISTRY
(2021)
Article
Engineering, Mechanical
Su Thiri San, Seungju Jo, Hyeonhee Roh, Nagabandi Jayababu, Inkyum Kim, Youngsu Kim, Daewon Kim
EXTREME MECHANICS LETTERS
(2020)
Article
Chemistry, Physical
Madhukar Poloju, Nagabandi Jayababu, E. Venkateshwer Rao, Ruppa Govinda Rao, M. V. Ramana Reddy
SURFACES AND INTERFACES
(2020)
Article
Materials Science, Multidisciplinary
Tijin Thomas, Nagabandi Jayababu, Julakanti Shruthi, Alex Mathew, Andrea Cerdan-Pasaran, Javier Alejandro Hernandez-Magallanes, K. C. Sanal, R. Reshmi
Summary: Ammonia gas sensors utilizing aligned one-dimensional orthorhombic molybdenum trioxide (α-MoO3) nanorods demonstrated high sensitivity and stability at room temperature, with the sensors annealed at 400 degrees Celsius showing response to lower concentrations of ammonia. The morphological and structural changes of α-MoO3 nanorods after annealing contributed to the improved sensing response.
Article
Nanoscience & Nanotechnology
Nagabandi Jayababu, Seungju Jo, Youngsu Kim, Daewon Kim
Summary: A facile strategy for the fabrication of nickel and iron mixed metal telluride hierarchical nanorods on nickel foam is proposed, with conductive silver decorated on the surface to improve conducting channels and enhance electrochemical performance. The electrode showed high areal capacity due to the combined advantages of electroactive NiFe mixed metal, conductive tellurium and silver, and hierarchical nanorod-like nanomorphology.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Nagabandi Jayababu, Daewon Kim
Summary: This study proposes an integrated energy conversion and storage system consisting of a triboelectric nanogenerator and a supercapacitor based on flexible ZnO nanorods@conductive carbon black nanocomposite. The experiments demonstrate that the integrated device efficiently converts and stores energy, offering new opportunities for flexible energy conversion and storage devices with simple structures.
Article
Chemistry, Physical
Nagabandi Jayababu, Daewon Kim
Summary: Fabric-based tribo-electric nanogenerators (TENGs) are promising energy sources for wearable electronic devices, especially when using Co/Zn bimetal organic framework based TENG (BMOF TENG) with 15% Zn content to achieve superior electrical output. The unique surface features of BMOF/FCF also enable gas sensing applications, showing good selectivity towards ammonia at room temperature.
Article
Chemistry, Physical
Seungju Jo, Nagabandi Jayababu, Daewon Kim
Summary: Mixed metal hydroxide (MMH) based supercapacitor electrodes, with their outstanding performance from the synergistic effect originating from mixed metallic elements, have attracted considerable attention for energy storage devices. A layered double hydroxide (LDH) structure, such as cobalt-iron LDH nanosheets (CoFe LDH NSs), has been successfully designed on nickel fabric using a facile electrochemical deposition method. The optimized Co0.5Fe0.5 electrode exhibited superior electrochemical performance, and when integrated with activated carbon (AC) electrode, a hybrid supercapacitor (HSC) device with high areal capacitance, energy density, power density, and cycling stability was assembled. Furthermore, the fabricated flexible device offers the significance as a power source in flexible electronic devices with its high degree of flexibility originated from flexible substrate.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Nay Yee Win Zaw, Seungju Jo, Jihyeon Park, Narasimharao Kitchamsetti, Nagabandi Jayababu, Daewon Kim
Summary: This study proposes a novel battery-type electrode based on montmorillonite as a template for the hierarchical growth of nickel telluride nanostructures. The obtained electrode exhibits superior electrochemical performance and high specific surface area, demonstrating excellent energy storage properties.
APPLIED CLAY SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Julakanti Shruthi, Nagabandi Jayababu, M. V. Ramana Reddy
Summary: Ag:Y2O3-SnO2 core-shell nanocomposites were fabricated for high-efficiency gas sensing applications, showing superior sensing performance and good stability towards low concentrations of ammonia. The sensor exhibited rapid response and recovery time, as well as increased sensitivity towards ammonia at room temperature.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2022)
Article
Chemistry, Analytical
Kedhareswara Sairam Pasupuleti, Sayandeep Ghosh, Nagabandi Jayababu, Chang-Jong Kang, Hak Dong Cho, Song -Gang Kim, Moon-Deock Kim
Summary: In this study, a boron-doped graphitic carbon nitride quantum dots coated langasite surface acoustic wave sensor was developed for room temperature NO2 gas detection. UV activation energy was applied to enhance the NO2 sensing. This work provides insights into the design and development of 2D graphitic carbon nitride nanostructure-based room temperature gas sensors for environmental monitoring.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Materials Science, Multidisciplinary
Seungju Jo, Inkyum Kim, Junmoo Byun, Nagabandi Jayababu, Daewon Kim
Summary: The hybrid nanogenerator efficiently provides power for healthcare systems by scavenging human motion and heat energy, reducing mortality in emergency situations and improving the accuracy of fall detection.
ADVANCED MATERIALS TECHNOLOGIES
(2021)