Article
Chemistry, Physical
Bin Xiao, Gang Wu, Tongde Wang, Zhengang Wei, Yanwei Sui, Baolong Shen, Jiqiu Qi, Fuxiang Wei, Junchao Zheng
Summary: High-Entropy Oxides (HEOs) are a promising type of anode materials for lithium ion batteries (LIBs) due to their stable crystal structure and high theoretical capacity. In this study, (FeCoNiCrMn)3O-4 HEO was successfully prepared and showed excellent cycle stability and high reversible capacity. The special crystal structure with a narrow band gap and the three-dimensional spinel structure provide a pathway for ion transport, contributing to the long-term stability and high performance of HEOs as anode materials for LIBs.
Article
Nanoscience & Nanotechnology
Xuebiao Yang, Hongqiang Wang, Yingying Song, Kaitao Liu, Tingting Huang, Xinyue Wang, Chunfang Zhang, Jiao Li
Summary: Transition-metal oxides (TMOs) are a promising anode material for high-performance lithium-ion batteries (LIBs), but their conductivity and cycling stability need improvement. High-entropy oxide (HEO) offers excellent electrochemical performance due to its porous nanostructure and stabilization effect of entropy.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Claudia Triolo, Wenlei Xu, Beatrix Petrovicova, Nicola Pinna, Saveria Santangelo
Summary: Entropy-stabilized oxides (ESOs), such as (Mg0.2Co0.2Ni0.2Cu0.2Zn0.2)O, have gained attention as novel anodes for lithium-ion batteries (LIBs) due to their stable crystal structure and robust lithium-storage properties. This study demonstrates the significance of engineering microstructures in tailoring the electrochemical performance of ESOs, showing excellent reversible capacity, rate capability, and cycling stability.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Review
Chemistry, Physical
Feifei Li, Yangyang Cao, Wenjing Wu, Gongwei Wang, Deyang Qu
Summary: This review summarizes the emerging anode and cathode prelithiation techniques in the advanced lithium-ion batteries field, along with strategies for manufacturing-compatible and scalable prelithiation. Prelithiation is crucial for compensating the initial capacity loss, enhancing full cell cycling performance, and propelling the commercialization of advanced LIBs/LICs.
Article
Electrochemistry
Yizhan Xie, Ximing Cheng
Summary: The study proposes a cosine approximation method for efficient calculation of lithium-ion concentrations in lithium-ion batteries, which is obtained by analytically solving the diffusion equations for electrolyte dynamics and demonstrates higher accuracy in verification.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Automation & Control Systems
Ning He, Cheng Qian, Chao Shen, Yigeng Huangfu
Summary: An accurate estimation framework for the state of health (SOH) of lithium-ion batteries (LIBs) is proposed, using compressed sensing (CS) and entropy weight method (EWM). The method involves extracting health indicators, improving sampling frequency, reconstructing missing information, eliminating noise interference, characterizing the relationship between health indicators and capacity, and fusing the capacities for final estimation.
Article
Chemistry, Physical
Lupeng Zhang, Xinle Li, Mingrui Yang, Weihua Chen
Summary: This review highlights the importance of safety in lithium-ion and sodium-ion batteries, with a focus on the development of high-safety separators. It summarizes the key considerations for these separators and outlines the challenges and perspectives in their development direction.
ENERGY STORAGE MATERIALS
(2021)
Article
Materials Science, Ceramics
ChanQin Duan, Kanghui Tian, Xinglong Li, Dan Wang, Hongyu Sun, Runguo Zheng, Zhiyuan Wang, Yanguo Liu
Summary: This study synthesized high-entropy oxides with a spinel structure using a solid phase method and investigated their structure evolution and performance as electrode materials for lithium-ion batteries. The results showed that the high-entropy oxides displayed excellent cyclic stability and rate capability, with the incorporation of lithium contributing to the stabilization effect and improved lithium storage performances. The study provides a new strategy for designing high-entropy energy-storage materials and contributes to understanding the storage mechanism of HEOs.
CERAMICS INTERNATIONAL
(2021)
Article
Multidisciplinary Sciences
Tan P. Nguyen, Alexandra D. Easley, Nari Kang, Sarosh Khan, Soon-Mi Lim, Yohannes H. Rezenom, Shaoyang Wang, David K. Tran, Jingwei Fan, Rachel A. Letteri, Xun He, Lu Su, Cheng-Han Yu, Jodie L. Lutkenhaus, Karen L. Wooley
Summary: The rapid development of lithium-ion batteries has brought substantial benefits to society, but also highlighted ethical and environmental challenges. Organic redox-active materials may offer a potential alternative for sustainable batteries in the future.
Article
Electrochemistry
Joseph P. Sullivan, Arijit Bose
Summary: This study investigates the rheology of lithium-ion battery anode slurry and its impact on electrochemical performance. The storage modulus is found to be a key factor influencing the performance.
ELECTROCHEMISTRY COMMUNICATIONS
(2022)
Article
Thermodynamics
Meng Zhang, Guoqing Kang, Lifeng Wu, Yong Guan
Summary: This study proposes a new method under small sample conditions, the deep adaptive continuous time-varying cascade network based on extreme learning machines (CTC-ELM), which can effectively expand the sample set of lithium-ion batteries and achieve high accuracy in capacity estimation.
Article
Energy & Fuels
Xin Lai, Yunfeng Huang, Xuebing Han, Huanghui Gu, Yuejiu Zheng
Summary: A novel SOE estimation method using PF and EKF algorithms is proposed in this study, which is able to improve accuracy and robustness by identifying battery model parameters at different temperatures. Experimental results show that the maximum error of the proposed algorithm is less than 3% under dynamic conditions and can quickly converge to its reference trajectory even with large initial errors in SOE and total available energy.
JOURNAL OF ENERGY STORAGE
(2021)
Review
Energy & Fuels
Dan Zhang, Weizhuo Zhang, Shengrui Zhang, Xiaohui Ji, Le Li
Summary: This article reviews the synthesis methods and composite strategies of expanded graphite in high-performance lithium-based batteries, and introduces the latest research findings on expanded graphite-based composite materials. The important role of expanded graphite-based composite materials in this field is emphasized, and the remaining challenges are discussed to accelerate the advancement and commercialization of lithium-based battery technology.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Energy & Fuels
Yong Tian, Qianyuan Dong, Jindong Tian, Xiaoyu Li, Guang Li, Kamyar Mehran
Summary: Accurate capacity estimation of a lithium-ion battery is crucial for predicting its state of health and determining the reliability and safety of the battery system. However, existing data-driven methods based on full charging curves are impractical and lack sufficient training data. In this paper, a capacity estimation method is proposed based on an optimized charging voltage section and virtual sample generation. Experimental results show that the proposed method improves estimation accuracy and reduces the required voltage section length compared to using the full charging curve. The root mean square error (RMSE) of battery capacity estimation is lower than 1.48% under different operating conditions.
Article
Chemistry, Physical
Mao Qian, Yakun Tang, Lang Liu, Yang Gao, Xiaohui Li
Summary: Cubic spinel Li4Ti5O12 is a desired anode material for lithium-ion batteries due to high stability and good safety, while Li2CoTi3O8 with added cobalt shows enhanced performance as both anode material for LIBs and sulfur host material for LSBs. The nanoparticles of Li2CoTi3O8 exhibit improved specific capacity and rate capability for LIBs, as well as stable capacity retention for LSBs, making it a promising material for advanced energy storage systems.
JOURNAL OF ALLOYS AND COMPOUNDS
(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)