Article
Engineering, Environmental
Youngmoo Jeon, Jeongyeon Lee, Hakrae Jo, Hwichan Hong, Lawrence Yoon Suk Lee, Yuanzhe Piao
Summary: The study successfully synthesized N-doped hollow carbon composite embedded with well-dispersed Co/Co3O4 nanoparticles via the carbonization of a Zn/Co bimetallic metal-organic frameworks/ZnO nanospheres core-shell structure. The sulfur-infiltrated Co/Co3O4-NHC cathode exhibited excellent rate performance and stability, retaining 87.8% of specific capacity after 250 cycles, showing promise for high-performance Li-S batteries. This work provides insights on designing sulfur host materials for next-generation energy storage technology.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Electrochemistry
David Kitsche, Florian Strauss, Yushu Tang, Nikolai Bartnick, A-Young Kim, Yuan Ma, Christian Kuebel, Juergen Janek, Torsten Brezesinski
Summary: Inorganic solid-state batteries have limitations compared to conventional liquid electrolyte-based lithium-ion batteries. The search for advanced coatings to protect the cathode materials in solid-state batteries is a challenge. This study successfully modified the surface of a Ni-rich cathode material using a sol-gel chemistry method, resulting in improved protection and performance.
BATTERIES & SUPERCAPS
(2022)
Article
Chemistry, Physical
Gyeongbin Ko, Seongdeock Jeong, Sanghyuk Park, Jimin Lee, Seoa Kim, Youngjun Shin, Wooseok Kim, Kyungjung Kwon
Summary: Lithium-ion batteries (LIBs) are crucial for the electric vehicle (EV) industry, and LiNi1-x-yCoxMnyO2 (NCM) is the dominant cathode material used in EV LIBs. Due to the need for increased driving range, Ni content in NCM is maximized, but the resulting Ni-rich NCM is unstable. Doping with foreign elements has been explored as a strategy to overcome this instability, with over 46 elements considered and their effects on LIB performance investigated in numerous research articles. This comprehensive analysis of various doping elements and their impact on LIB performance provides valuable insights for the LIB industry and academia.
ENERGY STORAGE MATERIALS
(2023)
Article
Energy & Fuels
Jiaming Yang, Junkai Wang, Lei Fu, Ke Wu, Zhengrong Liu, Kai Wu, Jun Zhou
Summary: The fiber-structured YCF-GDC composite oxide synthesized through modified electrospinning technique shows promising features as a highly active cathode for intermediate-temperature solid oxide fuel cells (IT-SOFCs) with relatively low resistance at 550 degrees C, offering potential for future applications.
Article
Nanoscience & Nanotechnology
Feifei Dong, Zhan Lin, Zilin Ma, Lu Li, Qirui Ye, Biaokui Dongyang, Wenying Yang
Summary: In this study, a new perovskite-based BaFeO3-delta (BF) matrix, Ba0.75Sr0.25Fe0.875Y0.125O3-delta (BSFY), is proposed as a highly active cathode for IT-SOFCs. The BSFY electrode exhibits a significantly lower area-specific resistance and higher peak power density compared to the BF counterpart, and demonstrates resistance against CO2 contaminants.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Shuai Wu, Yinhua Liu, Chao Wang, Hailu Dai, Xianfen Wang, Lei Bi
Summary: The performance of LaNi0.5Fe0.5O3-delta material for H-SOFCs has been improved through a Zn-doping strategy, resulting in higher peak power density and lower polarization resistance.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Review
Nanoscience & Nanotechnology
Lei Yu, Tongchao Liu, Rachid Amine, Jianguo Wen, Jun Lu, Khalil Amine
Summary: The prosperity of the electric vehicle industry is driving the research and development of lithium-ion batteries. The search for next-generation cathode materials has shifted to high-nickel and cobalt-free cathodes. Efforts have been made to eliminate cobalt and achieve higher nickel content in layered cathode materials. Further development of layered cathode materials and other promising candidates is likely to spur the development of high-performance and low-cost Li-ion batteries.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Longbiao Yu, Rui Zhang, Ruixin Jia, Wenhao Jiang, Xiaoyu Dong, Xuehua Liu, Haijie Cao, Binghui Xu
Summary: This study synthesized nanosized cobalt monoxide anode material and nanosized lithium cobalt oxide cathode material using few-layered graphene oxide and metallic cobalt foils through a hydrothermal reaction. Both the CoO@RGO anode and the LCO cathode exhibited impressive lithium-ion storage properties.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Hua Tong, Wenjing Hu, Min Fu, Chunli Yang, Zetian Tao
Summary: Nickel-doped barium ferrate with triple conducting ability is developed as cathodes for proton-conducting solid oxide fuel cells (H-SOFCs), showing impressive electrochemical performance at intermediate temperatures. The high electrocatalytic capacity of the nickel-doped barium ferrate cathode is attributed to its significant proton conductivity, which is enhanced by the presence of nickel and the regulated composition and structure of the composite cathode.
Article
Chemistry, Physical
Fanglin Wu, Shan Fang, Matthias Kuenzel, Thomas Diemant, Jae-Kwang Kim, Dominic Bresser, Guk-Tae Kim, Stefano Passerini
Summary: In this study, a bilayer solid electrolyte architecture was proposed to improve the interfacial stability between NASICON-type electrolyte and lithium metal in solid-state batteries. The application of a novel ultrathin solid polymer electrolyte film resulted in outstanding interface stability, allowing for long-term stable performance with high energy density.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Multidisciplinary
Xiaotu Ma, Jiahui Hou, Panawan Vanaphuti, Zeyi Yao, Jinzhao Fu, Luqman Azhari, Yangtao Liu, Yan Wang
Summary: A new direct upcycling process is proposed, which converts spent polycrystalline Ni-lean cathodes into single-crystal Ni-rich cathodes using a one-step molten salt method. This method can be applied to mixed cathode streams without additional sorting and separating steps. The obtained upcycled cathode materials exhibit improved capacity and stability, demonstrating a pathway towards the sustainable development of LIBs.
Article
Chemistry, Multidisciplinary
Yajun Zhu, Tianli Han, Xirong Lin, Huigang Zhang, Chaoquan Hu, Jinyun Liu
Summary: A flexible quasi-solid Zn-ion battery is developed, with CoZn-metal organic frameworks grown on carbon cloth as an all-in-one cathode working with a hydrogel electrolyte. The battery exhibits high capacities and good capacity retention when bending at different angles, and remains stable even when twisted to 90 degrees. The capacity exceeds 101.4 mA h g(-1) after being folded 30 times to 180 degrees, making it suitable for a variety of wearable devices.
CHEMICAL COMMUNICATIONS
(2023)
Article
Green & Sustainable Science & Technology
Wan Nor Anasuhah Wan Yusoff, Nur Nadhihah Mohd Tahir, Nurul Akidah Baharuddin, Mahendra Rao Somalu, Andanastuti Muchtar, Lai Jian Wei
Summary: The solid oxide fuel cell (SOFC) is a highly anticipated green and sustainable energy technology. This study successfully produced cathode material with a desired microstructure by improving the oxidation-reduction process and utilizing specific processing techniques. The study also highlights the importance of processing techniques in optimizing electrochemical performances.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2023)
Article
Electrochemistry
Juntao Gao, Qiang Li, Zhiping Zhang, Zhe Lu, Bo Wei
Summary: BSFP oxide, as a cathode material for SOFC, shows excellent chemical compatibility and low polarization resistance, suggesting its promising application in SOFC operation at intermediate temperatures.
ELECTROCHEMISTRY COMMUNICATIONS
(2021)
Article
Nanoscience & Nanotechnology
Chao Zou, Yun Huang, Ling Zhao, Wenhao Ren, Zhixing Zhao, Jiapin Liu, Xing Li, Mingshan Wang, Bingshu Guo, Yuanhua Lin
Summary: This study utilizes branched polyethyleneimine as a functional binder to address the electrode deterioration and capacity decay caused by the dissolution of transition metal ions. The binder can effectively absorb soluble transition metal ions, reduce the loss of active materials, and achieve uniform distribution of key components. This leads to improved rate capability and cycle stability of the battery.
ACS APPLIED MATERIALS & INTERFACES
(2022)
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)