Article
Chemistry, Multidisciplinary
Zhenyuan Xia, Viktoriia Mishukova, Szymon Sollami Delekta, Jinhua Sun, Jaime S. Sanchez, Jiantong Li, Vincenzo Palermo
Summary: Interdigitated all-solid-state flexible asymmetric micro-supercapacitors fabricated by a facile pulse current deposition approach demonstrate high volumetric capacitance, wide operation potential range, and long cycle life, showing potential for future high-performance energy storage devices.
Article
Chemistry, Analytical
Chong Shen, Xudong Guan, Yuming Tang, Xuhui Zhao, Yu Zuo
Summary: The study successfully synthesized a ZCN heterostructure on nickel foam using a smart ultrasonic pulse electrodeposition method, demonstrating high specific capacitance, excellent rate capability, and cycling stability. An asymmetric supercapacitor designed based on this heterostructure showed high energy densities and exceptional cycling stability.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Physical
Xiang-Hui Yu, Zi-Yan Zhao, Jin-Long Yi, Shuai Liu, Ru-Liang Zhang, Feng-Yun Wang, Lei Liu
Summary: Cobalt-nickel double hydroxide/nitrogen-doped hollow carbon spheres with a hollow structure were successfully fabricated via a simple deposition method. The hybrid material exhibited excellent cycle stability and electrochemical performance, with the electrode containing 15% cobalt content showing the highest specific capacity and rate capacity. Furthermore, the hybrid material displayed superior energy density and cycle stability in an all-solid-state asymmetric supercapacitor.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Sadegh Askari, Davide Mariotti, Paul Brunet, Alexander Vahl, Jan Benedikt
Summary: The hybrid Zn-air and Zn-M battery with Fe-doped Ni double hydroxide nanoflakes and activated carbon cathode material shows superior performance, high energy density, exceptional energy conversion efficiency, and outstanding power density. It also enables high-rate charging due to rapid redox reaction kinetics and excellent cathode materials catalytic activity.
MATERIALS TODAY ENERGY
(2021)
Article
Electrochemistry
Weishan Tang, Junqian Bai, Pengcheng Zhou, Qihang He, Feng Xiao, Maojie Zhao, Peilin Yang, Lei Liao, Yuan Wang, Ping He, Bin Jia, Liang Bian
Summary: A honeycomb-like electrode with hierarchical structure has been synthesized using NiCo-LDH/PMB/CC composite electrode materials, which demonstrate high specific capacitance and rich active sites. The assembled BSHD shows excellent capacity retention even at high current density, and still maintains decent specific energy at high specific power.
ELECTROCHIMICA ACTA
(2023)
Article
Energy & Fuels
Wei Li, Yuli Zhang, Longjia Yuan, Kaibo Tian, Hongwei Yue, Tingting Li, Pinjiang Li, Lijun Wu, Yuanhao Gao, Xiaojie Lou
Summary: In this study, a three-dimensional Ni3N mesh with a mesoporous structure was constructed as the electrode material for hybrid supercapacitors, improving its energy storage performance.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Pier Giorgio Schiavi, Pietro Altimari, Flavio Marzolo, Antonio Rubino, Robertino Zanoni, Francesca Pagnanelli
Summary: An experimental analysis was conducted to optimize the structure of Ni-Ni(OH)(2)/NiO core-shell nanowire electrodes for pseudocapacitor applications. The thickness and composition of the active phase shell were found to be affected by thermal treatments at different temperatures, resulting in varying capacitance values. Tailoring the capacitance of the electrodes by controlling the nanowire length was evaluated, showing that mass transfer resistance can be negligible within a certain range.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Multidisciplinary
Ravindra N. Bulakhe, Akram Alfantazi, Yong Rok Lee, Moonyong Lee, Jae-Jin Shim
Summary: This work presents the deposition of Cu2S nanoflakes onto rGO on 3D nickel foam using inexpensive chemical methods. The resulting nanohybrid structure exhibited excellent surface area, good electrical conductivity, and outstanding cycling stability, with a significantly higher specific capacitance. The asymmetric supercapacitor device showed high specific capacitance, energy density, and power density.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2021)
Article
Chemistry, Physical
Fatemeh Mahdi, Mehran Javanbakht, Saeed Shahrokhian
Summary: A pseudocapacitive electrode based on mesoporous manganese dioxide was fabricated using the anodic pulse electrodeposition method. The effects of pulse parameters on the physicochemical properties of MnO2 were studied, leading to the identification of optimal pulse conditions in the best sample. The symmetric supercapacitor assembled with the best sample showed good cyclic stability and pseudocapacitive performance.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Min Li, Yunyun Luo, Chen Jia, Qiankun Zhang, Guoxi Luo, Libo Zhao, Rabah Boukherroub, Zhuangde Jiang
Summary: In this study, bimetal nickel-cobalt phosphate nanostructures were successfully synthesized on nickel foam for hybrid supercapacitors by a facile one-step electrodeposition method. The optimized NiCoP/NF2 electrode exhibited excellent capacitive performance with high specific capacity, good rate performance, and high coulombic efficiency. The proposed electrodeposition synthesis process and the prepared NiCoP composites show great potential for applications in energy storage technology.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Analytical
Zhidong Ye, Rui Miao, Fengjuan Miao, Bairui Tao, Yu Zang, Paul K. Chu
Summary: Transition metal oxides, such as Co3O4 nanowire arrays and ultrathin and porous ZnO nanoflake films, are used to create a composite electrode with excellent electrochemical properties. The ZnO@Co3O4 heterojunction exhibits high sensitivity and a wide linear range for glucose detection, as well as promising performance in supercapacitors with high specific capacitance and long cycling stability. These findings suggest the potential of the ZnO@Co3O4 structure as multi-functional materials in electrochemical sensing and energy storage applications.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Physical
Liu Wan, Yuqi Wang, Dianyu Jiang, Yan Zhang, Mingjiang Xie, Jian Chen, Cheng Du
Summary: A rational nickel sulfide @ nickel boride (Ni9S8@-Ni2B) heterostructure is synthesized on carbon cloth (CC) substrate via a simple electrodepositon strategy followed by a chemical reduction method. The hierarchically porous Ni9S8@Ni2B nanosheet arrays can expose ample electro-active centers, shorten ion diffusion distance, and buffer volume changes during charging/discharging process. The Ni9S8@Ni2B//porous carbon asymmetric supercapacitor exhibits a high specific capacity, sound rate capability, and good cycling performance.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Amani M. Bamuqaddam, Saba A. Aladeemy, Mohamed A. Ghanem, Abdullah M. Al-Mayouf, Nouf H. Alotaibi, Frank Marken
Summary: This study demonstrates the chemical synthesis of two-dimensional mesoporous nickel/nickel (II) hydroxide nanoflakes and their high electrocatalytic activity for methanol oxidation.
Article
Energy & Fuels
Ya Chen, Longjun Wang, Hui Gan, Yuanhe Jiang, Jiangbang Feng, Jiuqing Liu, Xichang Shi
Summary: This study reports a method for fabricating electrodes for supercapacitors using electrochemical deposition, hydrothermal conversion, and sulfurization. The binder-free NiCo2S4@NiS/CoS electrode exhibits high specific capacitance, excellent high-rate capability, and good cycling performance, making it a suitable cathode material for supercapacitors.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Zhongchun Li, Jialun Yu, Chong Shi, Hao Su, Lu Bai, Limi Yan
Summary: Hierarchical nickel hydroxide (HNHH) with large specific surface area and rich mesopores was synthesized through a solvothermal strategy. The HNHH-120 electrode exhibited a specific capacity of 718.0 C g-1 at 0.5 A g-1, and the HNHH-120//activated carbon hybrid supercapacitor achieved a specific capacitance of 95.0 F g-1 at the same current density. The excellent energy storage performance of HNHH-120 is attributed to its unique structural characteristics. Evaluation: 8/10.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Tianyu Chen, Zhibin Lu, Guangjin Zeng, Yongmin Xie, Jie Xiao, Zhifeng Xu
Summary: The study introduces a high-performance LSGM electrolyte-supported tubular DC-SOFC stack for portable applications, which shows great potential in developing into high-performing, efficient, and environmentally friendly portable power sources for distributed applications.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Wenbin Tong, Yili Chen, Shijie Gong, Shaokun Zhu, Jie Tian, Jiaqian Qin, Wenyong Chen, Shuanghong Chen
Summary: In this study, a three-dimensional porous NiO interface layer with enhanced anode dynamics is fabricated, forming a Schottky contact with the zinc substrate, allowing rapid and uniform zinc plating both inside and below the interface layer. The resulting NiO@Zn exhibits exceptional stability and high capacity retention.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Yafeng Bai, Kaidi Li, Liying Wang, Yang Gao, Xuesong Li, Xijia Yang, Wei Lu
Summary: In this study, a flexible zinc ion supercapacitor with gel electrolytes, porous alpha-MnO2@reduced graphene oxide cathode, and activated carbon/carbon cloth anode was developed. The device exhibits excellent electrochemical performance and stability, even at low temperatures, with a high cycle retention rate after 5000 cycles.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Anmol Jnawali, Matt D. R. Kok, Francesco Iacoviello, Daniel J. L. Brett, Paul R. Shearing
Summary: This article presents the results of a systematic study on the electrochemical performance and mechanical changes in two types of commercial batteries with different anode chemistry. The study reveals that the swelling of anode layers in batteries with silicon-based components causes deformations in the jelly roll structure, but the presence of a small percentage of silicon does not significantly impact the cycling performance of the cells within the relevant state-of-health range for electric vehicles (EVs). The research suggests that there is room for improving the cell capacities by increasing the silicon loading in composite anodes to meet the increasing demands on EVs.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Yohandys A. Zulueta, My Phuong Pham-Ho, Minh Tho Nguyen
Summary: Advanced atomistic simulations were used to study ion transport in the Na- and K-doped lithium disilicate Li2Si2O5. The results showed that Na and K doping significantly enhanced Li ion diffusion and conduction in the material.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Zongying Han, Hui Dong, Yanru Yang, Hao Yu, Zhibin Yang
Summary: An efficient phase inversion-impregnation approach is developed to fabricate BaO-decorated Ni8 mol% YSZ anode-supported tubular solid oxide fuel cells (SOFCs) with anti-coking properties. BaO nanoislands are successfully introduced inside the Ni-YSZ anode, leading to higher peak power densities and improved stability in methane fuel. Density functional theory calculations suggest that the loading of BaO nanoislands facilitates carbon elimination by capturing and dissociating H2O molecules to generate OH.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Suresh Mamidi, Dan Na, Baeksang Yoon, Henu Sharma, Anil D. Pathak, Kisor Kumar Sahu, Dae Young Lee, Cheul-Ro Lee, Inseok Seo
Summary: Li-CO2 batteries, which utilize CO2 and have a high energy density, are hindered in practical applications due to slow kinetics and safety hazards. This study introduces a stable and highly conductive ceramic-based solid electrolyte and a metal-organic framework catalyst to improve the safety and performance of Li-CO2 batteries. The optimized Li-CO2 cell shows outstanding specific capacity and cycle life, and the post-cycling analysis reveals the degradation mechanism of the electrodes. First-principles calculations based on density functional theory are also performed to understand the interactions between the catalyst and the host electrode. This research demonstrates the potential of MOF cathode catalyst for stable operation in Li-CO2 batteries.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Ganghua Xiang, Zhihuan Qiu, Huilong Fei, Zhigang Liu, Shuangfeng Yin, Yuen Wu
Summary: In this study, a CeFeOx-supported Pt single atoms and subnanometric clusters catalyst was developed, which exhibits enhanced catalytic activity and stability for the preferential oxidation of CO in H2-rich stream through synergistic effect.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Dimitrios Chatzogiannakis, Marcus Fehse, Maria Angeles Cabanero, Natalia Romano, Ashley Black, Damien Saurel, M. Rosa Palacin, Montse Casas-Cabanas
Summary: By coupling electrochemical testing to operando synchrotron based X-ray absorption and powder diffraction experiments, blended positive electrodes consisting of LiMn2O4 spinel (LMO) and layered LiNi0.5Mn0.3Co0.2O2 (NMC) were studied to understand their redox mechanism. It was found that blending NMC with LMO can enhance energy density at high rates, with the blend containing 25% LMO showing the best performance. Testing with a special electrochemical setup revealed that the effective current load on each blend component can vary significantly from the nominal rate and also changes with SoC. Operando studies allowed monitoring of the oxidation state evolution and changes in crystal structure, in line with the expected behavior of individual components considering their electrochemical current loads.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Chiara Cementon, Daniel Dewar, Thrinathreddy Ramireddy, Michael Brennan, Alexey M. Glushenkov
Summary: This Perspective discusses the specific power and power density of lithium-ion capacitors, highlighting the fact that their power characteristics are often underestimated. Through analysis, it is found that lithium-ion capacitors can usually achieve power densities superior to electrochemical supercapacitors, making them excellent alternatives to supercapacitors.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Weihao Wang, Hao Yu, Li Ma, Youquan Zhang, Yuejiao Chen, Libao Chen, Guichao Kuang, Liangjun Zhou, Weifeng Wei
Summary: This study achieved an improved electrolyte with excellent low-temperature and high-voltage performance by regulating the Li+ solvation structure and highly concentrating it. The electrolyte exhibited outstanding oxidation potential and high ionic conductivity under low temperature and high voltage conditions, providing a promising approach for the practical application of high-voltage LIBs.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Martin Bures, Dan Gotz, Jiri Charvat, Milos Svoboda, Jaromir Pocedic, Juraj Kosek, Alexandr Zubov, Petr Mazur
Summary: Vanadium redox flow battery is a promising energy storage solution with long-term durability, non-flammability, and high overall efficiency. Researchers have developed a mathematical model to simulate the charge-discharge cycling of the battery, and found that hydraulic connection of electrolyte tanks is the most effective strategy to reduce capacity losses, achieving a 69% reduction.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
M. Rodriguez-Gomez, J. Campo, A. Orera, F. de La Fuente, J. Valenciano, H. Fricke, D. S. Hussey, Y. Chen, D. Yu, K. An, A. Larrea
Summary: In this study, we analysed the operando performance of industrial lead cells using neutron diffraction experiments. The experiments revealed the evolution of different phases in the positive electrode, showed significant inhomogeneity of phase distribution inside the electrode, and estimated the energy efficiency of the cells.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Jiawei Liu, Chenpeng Wang, Yue Yao, Hao Ye, Yinglong Liu, Yingli Liu, Xiaoru Xu, Zhicong Chen, Huazheng Yang, Gang Wu, Libin Lei, Chao Wang, Bo Liang
Summary: The study focuses on utilizing double conductive Ni-pads as anode collectors in micro-tubular solid oxide fuel cells. The simulation results show excellent performance and stability of DCNPs, and also highlight the potential applications in various fields.
JOURNAL OF POWER SOURCES
(2024)
Article
Chemistry, Physical
Yang Wang, Kangjie Zhou, Lang Cui, Jiabing Mei, Shengnan Li, Le Li, Wei Fan, Longsheng Zhang, Tianxi Liu
Summary: This study presents a polyimide sandwiched separator (s-PIF) for improving the cycling stability of Li-metal batteries. The s-PIF separator exhibits superior mechanical property, electrolyte adsorption/retention and ion conductivity, and enables dendrite-free Li plating/stripping process.
JOURNAL OF POWER SOURCES
(2024)