Article
Chemistry, Physical
Ruslan R. Samigullin, Oleg A. Drozhzhin, Evgeny Antipov
Summary: The thermal stability of cathode and anode materials for Li-ion and Na-ion batteries was studied using differential scanning calorimetry and ex situ powder X-ray diffraction. The results showed that the thermal stability of Na-ion cathode materials increases in the order NFM < NVPF < NVP < NVPO. The heat on energy term was proposed and analyzed for all studied materials.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Energy & Fuels
Zhoujian An, Tianlu Shi, Yabing Zhao, Qiliang Gong, Dong Zhang, Jianhua Bai, Xiaoze Du
Summary: Thermal runaway in Li-ion batteries is closely related to electrode thickness and cycling deterioration. Increasing electrode thickness can enhance energy density but also worsen cycle and thermal performance. Thick electrodes exhibit the highest temperature rise and rate during short-circuit, leading to material damage and capacity loss.
Article
Chemistry, Physical
Dhanya Puthusseri, Mehran Dadsetan, Zhimin Qi, Ali Naseri, Haiyan Wang, Murray J. Thomson, Vilas G. Pol
Summary: The thermal decomposition mechanism of a Li-rich rock salt cathode material Li1.3Mn0.4Nb0.3O2 was studied, revealing its poor thermal stability and higher susceptibility to thermal runaway compared to state-of-the-art cathode materials. The reaction between the transition metal and electrolyte was identified as the limiting factor for its thermal stability. These findings address important knowledge gaps and provide insights for improving the safety and performance of Li-ion batteries.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Engineering, Electrical & Electronic
Viktor Zuba, Hans Christian H. Mulvad, Radan Slavik, Hesham Sakr, Francesco Poletti, David J. Richardson, Eric Numkam Fokoua
Summary: The fundamental limits on the efficiency of coupling light into hollow-core antiresonant fibres are theoretically explored. It is found that the nested antiresonant nodeless fibre (NANF) has higher coupling efficiency when the incident beam waist is about 70% of the core diameter, and that fibres operating in even-numbered windows achieve higher coupling efficiencies than those operating in odd-numbered windows.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2023)
Article
Physics, Applied
Zisheng Liu, Ning Zhao, Xiaohui Zhao, Chenggong Wang, Tao Zhang, Sheng Xu, Xiangxin Guo
Summary: Li-O-2 batteries based on the conversion reaction of oxygen cathodes can deliver high specific capacity. Combining Li-rich layered-oxide cathodes with oxygen cathodes improves cell performance and extends cycle life.
APPLIED PHYSICS LETTERS
(2022)
Review
Energy & Fuels
Siyan Chen, Zhenhai Gao, Tianjun Sun
Summary: This review discusses the general working mechanism of Lithium-ion batteries, the thermal runaway process, trigger conditions, material factors, and advancements in battery safety. It aims to provide a general picture of thermal runaway risks and solutions for safer battery designs.
ENERGY SCIENCE & ENGINEERING
(2021)
Article
Thermodynamics
Antonio Garcia, Peng Zhao, Javier Monsalve-Serrano, David Villalta, Santiago Martinez-Boggio
Summary: Lithium-ion cells are a promising solution for energy storage in future transportation, but thermal safety is crucial. This study characterized the thermal runaway behavior of three commercially available cylindrical cells and found the temperature ranges for different states of charge.
APPLIED THERMAL ENGINEERING
(2023)
Article
Energy & Fuels
Ewelina Rudnicka, Pawel Jakobczyk, Andrzej Lewandowski
Summary: In this study, the capacity of graphene|electrolyte|Li laboratory cell was tested at different currents. The impedance of the Li4Ti5O12|electrolyte|Li laboratory and commercial Li-ion cells was also measured. The research discusses various factors that affect Li-ion batteries, such as cathode and anode material capacity, battery polarization, heat dissipation, volume changes, capacity under non-equilibrium conditions, pseudocapacitive behavior, and battery safety. The results show that battery capacity may vary with current and polarization, and the measurement process may affect the determined capacity value.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Zhipeng Wen, Min Zhao, Xiangbang Kong, Chaoyue Liu, Yang Yang, Jinbao Zhao
Summary: The thermal stability of Li3VO4 anodes is found to be highly relevant to the depth of lithiation, cycling numbers, and binder type, providing important guidance for the safety design of Li3VO4 anodes for lithium ion batteries in future commercialization.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Rory C. McNulty, Elizabeth Hampson, Lewis N. Cutler, Clare P. Grey, Wesley M. Dose, Lee R. Johnson
Summary: As state-of-the-art lithium-ion intercalation materials like nickel-rich chemistries are being pushed to their limits, understanding specific degradation and performance limitations becomes crucial. Half-cells, commonly used in industry and academia, are limited by the reactivity of lithium metal, which leads to early electrolyte degradation and cell failure. In this study, the limitations of half-cell studies of NMC811 electrodes with commercial loading are investigated, and it is found that the presence of Li has a detrimental impact on the NMC811 chemistry. The use of Li4Ti5O12 (LTO) as an alternative counter electrode is proposed for studying NMC positive electrode materials due to its high coulombic efficiency and low reactivity.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Review
Chemistry, Physical
Zhiqiang Chen, Dmitri L. Danilov, Ruediger-A Eichel, Peter H. L. Notten
Summary: This review systematically summarizes and discusses the applications of the porous electrode model to Li-ion batteries (LIBs). The porous electrode model allows for the study of various internal battery properties and can predict battery degradation. With the help of state observers, the porous electrode model enables real-time monitoring for battery management systems.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Cedric Kirst, Juan Ramos Zayas, Jan Singer
Summary: This work introduces two novel measurement methods for capturing the thermal behaviour of Li-ion cells in the frequency domain, which are validated by comparing them to the state of the art method. All experiments are conducted with a cylindrical 18650 LFP-Graphite cell and lead to similar thermal impedance spectra. A 0-D thermal model fitted to the respective measurement results is validated with a thermal step response in the time domain, showing accurate representation of the thermal behaviour with a mean absolute error below 0.3 K. The spider-web diagram classifies and compares the methods based on five values, demonstrating a 62% reduction in the state of the art thermal measurement time and an increase in impedance measurement resolution by measuring multiple frequencies simultaneously.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
Xianfeng Hu, Elsayed Mousa, Yang Tian, Guozhu Ye
Summary: This study explores the recovery of valuable elements from lithium-ion batteries through smelting reduction processes, with a focus on recovering Co, Ni, Mn, and lithium simultaneously. The results show that with the addition of halides like CaF2 and CaCl2, nearly 100% recovery of metals and lithium can be achieved.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Xianfeng Hu, Elsayed Mousa, Guozhu Ye
Summary: The paper demonstrates the smelting recovery of Co, Ni, Mn, and Li from LIBs materials in a pilot-scale Electric Arc Furnace, showing high yields for Co, Ni, and Mn and varying lithium recovery rates in the flue dust. The primary carbonated-water leaching method can extract around 60% Li2CO3 from the flue dust with a purity of up to 95.8%, proposing a smelting recovery process for LIBs.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Zhiqiang Chen, Dmitri L. Danilov, Rudiger-A. Eichel, Peter H. L. Notten
Summary: Specific Li+ concentration waves can occur in the electrolyte of graphite-based porous electrode/Li cells, which are influenced by both thermodynamics and kinetics.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Analytical
Vlad Marsic, Tazdin Amietszajew, Petar Igic, Soroush Faramehr, Joe Fleming
Summary: In this study, a valid wireless data link on 18650 Li-ion cell is achieved based on the IEEE 802.15.4 standard. Experimental tests and MATLAB simulation are carried out to evaluate signal strength, bit error rate, and packet error rate at two communication frequencies, demonstrating the concept of wireless cell communication within short ranges.
Article
Chemistry, Analytical
Vlad Marsic, Tazdin Amietszajew, Petar Igic, Soroush Faramehr, Joe Fleming
Summary: Efficient management of Li-ion batteries is crucial for the advancement of electro-mobility and energy storage worldwide. This research proposes the use of RF transceivers as a communication unit for wired and wireless services, offering superior analog and digital signal processing capability compared to PLC technology. Computational simulation and empirical evaluation demonstrate that IEEE 802.15.4-compliant transceivers can establish stable data links on a DC bus.
Article
Chemistry, Analytical
Vlad Marsic, Tazdin Amietszajew, Christopher Gardner, Petar Igic, Soroush Faramehr, Joe Fleming
Summary: This article presents an empirical high-frequency investigation of the direct current bus, focusing on the impact of impedance and signal change on communication links. The study shows that the physical DC network has a dominant impedance at high frequencies and that signal attenuation on the DC line supports communication in the investigated spectrum. These findings are crucial for implementing hybrid PLC and wireless communication in Li-ion battery systems supported by only one RF transceiver.
Article
Energy & Fuels
Cheng Zhang, Yue Guo, Chongming Wang, Shen Li, Oliver Curnick, Tazdin Amietszajew, Rohit Bhagat
Summary: This paper proposes a novel DoE method that combines partial discharge test and deep discharge test to improve the accuracy of equivalent circuit models for lithium-ion batteries. Experimental results show that the new method can significantly reduce the root mean square error and improve the accuracy of SoC estimation compared to traditional DoE methods.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Electrochemistry
Danial Sarwar, Chongming Wang, Tazdin Amietszajew, Cheng Zhang, Chitta Saha, Oliver Curnick
Summary: This study investigates the effects of temperature and state-of-charge (SOC) on NFRA measurements, and the feasibility of using THD% as a capacity fade indicator. The results show a good correlation between THD% in the range of 10 Hz-150 Hz and SOH, and the aging effect on THD% for frequency < 1 Hz is dependent on SOC.
ELECTROCHEMISTRY COMMUNICATIONS
(2022)
Article
Energy & Fuels
Yuejiu Zheng, Kang Pang, Chaojie Xu, Teng Su, Bhagat Rohit, Yue Guo, Xuebing Han
Summary: This paper proposes an online estimation method based on the charging curve similarity principle to address the inconsistency issue among cells in electric vehicle battery pack. The capacity and SOC difference are estimated using the charging time differences, and experimental results demonstrate the feasibility and accuracy of this method. Furthermore, the robustness of the method is verified using EV cloud data.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Energy & Fuels
Zahoor Ahmed, Alexander J. Roberts, Tazdin Amietszajew
Summary: This study demonstrates the feasibility of incorporating Au, LiFePO4, and TiO2 electrochemical sensors into commercially available pouch cells, along with thermocouples to track the cell behavior during galvanostatic cycling at varying operating temperatures. The results show that Au provides the best in operando based electrochemical diagnostics for stable thermo-electrochemical performance, followed by TiO2 and LiFePO4. Additionally, the complementary nature of these techniques for cell thermodynamics is demonstrated.
Article
Energy & Fuels
Cheng Zhang, Tazdin Amietszajew, Shen Li, Monica Marinescu, Gregory Offer, Chongming Wang, Yue Guo, Rohit Bhagat
Summary: Equivalent circuit models (ECMs) are widely used for capturing the electrical behavior of lithium-ion batteries (LIBs). However, conventional ECMs cannot capture the internal states of the battery, such as the negative electrode (NE) potential. This paper proposes an easy-to-implement framework for real-time estimation of the NE potential of LIBs.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Green & Sustainable Science & Technology
Xin Lai, Huanghui Gu, Quanwei Chen, Xiaopeng Tang, Yuanqiang Zhou, Furong Gao, Xuebing Han, Yue Guo, Rohit Bhagat, Yuejiu Zheng
Summary: This study investigates eleven ecological metrics of six typical types of LIBs using the life cycle assessment method based on local data in China, and evaluates the ecological impacts and carbon neutralization potential of battery production. The results show that the ecological indexes of lithium iron phosphate (LFP) batteries are better than ternary batteries, prioritizing LFP batteries can reduce environmental damage. Furthermore, the study predicts a reduction in GHG emissions from battery production in China by at least 30% and 90% in 2030 and 2060, respectively, compared to 2020, indicating the importance of green energy in achieving carbon neutralization in battery production.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Energy & Fuels
Christopher Gardner, Elin Langhammer, Alexander J. Roberts, Tazdin Amietszajew
Summary: This study expands the application of plasmonic based fibre optic sensors in Li-ion NMC111 pouch cells as in-situ diagnostic sensors. The sensors are positioned adjacent to both the negative and the positive electrodes. By analyzing the full cell using incremental capacity analysis and individual electrodes using cyclic voltammetry techniques, the changes in electrode state are identified and their relationship to the plasmonic optical signal is observed. Electrode phase transitions are identified via electrochemical methods and the response of in-situ plasmonic based fibre optic sensors is reported.
JOURNAL OF ENERGY STORAGE
(2023)
Review
Energy & Fuels
Xin Lai, Quanwei Chen, Xiaopeng Tang, Yuanqiang Zhou, Furong Gao, Yue Guo, Rohit Bhagat, Yuejiu Zheng
Summary: This study reviews the framework and methods of life cycle assessment (LCA) and evaluates the entire lifespan of lithium-ion batteries (LIBs). The results show that battery production significantly impacts the environment and resources, while battery materials recycling and remanufacturing have considerable environmental and economic values. Moreover, greening of electricity is critical to reducing carbon emissions during the battery life cycle.
Article
Engineering, Electrical & Electronic
Joe Fleming, Tazdin Amietszajew, Alexander Roberts
Summary: Lithium-ion batteries are widely used in high-power, safety-critical applications. However, the current monitoring methods for battery packs have limitations in terms of cost and complexity. This research presents a novel approach of incorporating miniature electronic devices in cells during manufacturing, enabling local data communication without additional wiring. The findings demonstrate that this approach has negligible impact on the cells' performance and offers a new technique for active monitoring of cell conditions.
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)