Article
Chemistry, Physical
Ngo Quy Quyen, To Van Nguyen, Hoang Huu Thang, Pham Manh Thao, Nguyen Van Nghia
Summary: Adding carbon to the surface of P2-type sodium-lithium-manganese oxide material improves its rate capacity and specific capacity, making the carbon-coated NLM@C material a promising cathode material for sodium-ion batteries.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Xiaoming Xie, Baichao Zhang, Guorong Hu, Ke Du, Jiahui Wu, Yongzhi Wang, Zhanggen Gan, Ju Fan, Haodong Su, Yanbing Cao, Zhongdong Peng
Summary: This study presents an eco-friendly synthesis method for LiFe0.25Mn0.75PO4/C@rGO materials, investigating the effects of different processes on the morphology and performance of the materials to determine the optimal conditions for the best performance.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Armance Sagot, Lorenzo Stievano, Valerie Pralong
Summary: This study reports the synthesis and electrochemical activity of a novel polymorph of K3MnO4, which has a 0D-type structure composed of isolated MnO4 tetrahedra and K+ ions. A reversible charge capacity of almost one K+ per unit formula at an average voltage of 2.3 V vs K+/K is achieved, leading to the reversible formation of K2MnO4 through a biphasic process.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Meng-Yao Pan, Si-Tong Lu, Yan-Yan Li, Chao Li, Kang-Zhe Cao, Yang Fan
Summary: Cu-2(OH)PO4 was synthesized and characterized as an anode material for LIBs. The anode exhibited a high capacity and good cycling stability, attributed to the conversion reaction with Li+ ions and the generation of Li3PO4, which enhanced Li+ diffusion. Moreover, the surface capacitive effect also contributed to the electrode's capacity. These findings highlight the potential of polyanionic metal phosphate compounds as conversion-type anode materials for LIBs.
Article
Chemistry, Physical
M. A. A. Mohamed, L. Singer, H. Hahn, D. Djendjur, A. Oezkara, E. Thauer, I. G. Gonzalez-Martinez, M. Hantusch, B. Buechner, S. Hampel, R. Klingeler, N. Graessler
Summary: In this study, an antiperovskite (Li2Fe)SeO material was synthesized using a one-step solid-state method. The material showed excellent thermal stability and high cycling performance, making it a promising cathode material for lithium-ion batteries.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
M. Jayachandran, Helen Annal Therese, T. Vijayakumar
Summary: The Lithium and Manganese-rich layered oxides with the formula Li1.2Ni0.1Mn0.6Co0.1O2 (LMR-NMC) are considered highly promising cathode materials for next-generation lithium-ion batteries due to their high energy densities, low cost, high thermal stability, and environmental safety. This study synthesized LMR-NMC oxides with different morphologies and analyzed their crystal structures and electrochemical properties. The nanoplatelet-like morphology (LMR-NMC-A) exhibited better performance than the cubic-like morphology (LMR-NMC-B). These findings confirm the suitability of nanoplatelet-like LMR-NMC-A as a cathode material for lithium-ion batteries.
SURFACES AND INTERFACES
(2023)
Article
Engineering, Environmental
Tengfei Li, Lihua Wang, Jian Li
Summary: This study introduces a novel thermal protection strategy for safer lithium batteries, utilizing the intrinsic overheating protection function of cathode materials without introducing extra thermal protection elements.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Chunliu Li, Banglei Zhao, Junfeng Yang, Linchao Zhang, Qianfeng Fang, Xianping Wang
Summary: Li2ZrO3-coated and Al-doped micro-sized monocrystalline LiMn2O4 powder shows superior cycling and rate performance, attributed to the synergistic effect of Al-doping and Li2ZrO3-coating.
Article
Electrochemistry
Qiuling Zou, Yanhong Xiang, Hanzhang Zeng, Sihan Chen, Ling Li, Shiyu Cao, Jian Li, Lizhi Xiong, Xianwen Wu, Lei Wang
Summary: The management and value-added recovery of electrolytic manganese anode mud (EMAM) are crucial for environmental improvement and economic benefits. In this study, EMAM was used as a raw material to prepare Li1.2Ni0.2Mn0.6O2 (ZLNMO) cathode materials. The introduction of surfactants in the precursor materials improved the crystallinity and distribution of S/Fe ions in Z-LNMO materials. Electrochemical evaluation showed that the Z-LNMO materials prepared with EMAM exhibited superior cycling stability and capacity retention.
ELECTROCHIMICA ACTA
(2023)
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
Nanoscience & Nanotechnology
Chenkun Li, Yao Xiao, Xiaosong Zhang, Hongwei Cheng, Ya-Jun Cheng, Yonggao Xia
Summary: This study presents a practical method to address the irreversible capacity loss of lithium-ion batteries during initial cycling by utilizing a Li2CO3/carbon nanocomposite as a lithium replenishment material. The nanocomposite, synthesized through high-speed ball-milling, exhibits high specific capacity and capacity retention in the initial charging cycle. By incorporating the nanocomposite in full-cells, the capacity and cycling life of the batteries are significantly improved.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Daniel Uxa, Helen J. Holmes, Kevin Meyer, Lars Doerrer, Harald Schmidt
Summary: The LiNi0.33Mn0.33Co0.33O2 compound is an important cathode material for Li-ion batteries, and this study found that lithium diffusion can be analyzed using stable Li-6 tracers combined with SIMS analysis. The research results indicate that lithium diffuses via structural vacancies, with the concentration of which is fixed by Li deficiency.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2021)
Review
Electrochemistry
Jin Song, Hangchao Wang, Yuxuan Zuo, Kun Zhang, Tonghuan Yang, Yali Yang, Chuan Gao, Tao Chen, Guang Feng, Zewen Jiang, Wukun Xiao, Tie Luo, Dingguo Xia
Summary: Lithium-manganese-oxides have been a promising cathode material with environmental friendliness, resource abundance, and low biotoxicity. However, challenges such as Jahn-Teller distortion, manganese dissolution, and phase transition have hindered the progress of full manganese-based cathode materials (FMCMs). With the increasing demand for vehicle electrification and large-scale energy-storage grids, new research waves focusing on FMCMs are emerging. This review provides a comprehensive examination of the history, structures, advantages, challenges, resolution strategies, and latest developments of FMCMs, as well as discussing controversial topics in Li2MnO3-based cathode materials.
ELECTROCHEMICAL ENERGY REVIEWS
(2023)
Article
Chemistry, Multidisciplinary
Pier Giorgio Schiavi, Robertino Zanoni, Mario Branchi, Camilla Marcucci, Corrado Zamparelli, Pietro Altimari, Maria Assunta Navarra, Francesca Pagnanelli
Summary: Direct synthesis of high-value products from end-of-life Li-ion batteries (LIBs) can be achieved through a competitive recycling strategy, where reduced graphene oxide (rGO) and lithium-manganese-rich (Li1.2Mn0.55Ni0.15Co0.1O2 - LMR) cathode material are simultaneously synthesized. The proposed method allows for quantitative extraction of target metals and oxidation of graphite to graphene oxide, leading to improved electrochemical performance of the recovered LMR. The cyclic lithiation/delithiation of graphite during battery cycling facilitates graphite exfoliation, increasing the conversion to rGO.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Nanoscience & Nanotechnology
Chang Liu, Feiyang Chao, Zhen Huang, Zhuo Qu, Gangyuan Liu, Yao Xiao, Wenwei Zhang, Han Tang, Shijie Dong, Ping Luo
Summary: Shortages in lithium supply have led to the exploration of alternatives for widespread grid system applications, and potassium-ion batteries (PIBs) have emerged as promising candidates. However, the large radius of K+ ions has hindered the development of satisfactory cathode materials. In this study, a layered K0.37MnO2•0.25H(2)O (KMO) cathode was synthesized using solid-phase synthesis, which showed potential for accommodating the migration and transport of K+ ions. The KMO cathode material exhibited high initial specific capacities at different current densities, and the storage mechanism of K+ ions in PIBs was investigated. Overall, the proposed KMO cathode material was confirmed to be auspicious for potential use in PIBs.
Article
Chemistry, Physical
Tomooki Hosaka, Taiga Fukabori, Tatsuo Matsuyama, Ryoichi Tatara, Kei Kubota, Shinichi Komaba
Summary: The study found that adding DTD as an electrolyte additive for K-metal cells can reduce polarization between electrodes, increase reversible capacity, and suppress irreversible capacity. By inhibiting the formation of oligocarbonates, it passivates and protects the K-metal surface, improving battery performance.
ACS ENERGY LETTERS
(2021)
Article
Chemistry, Physical
Petla Ramesh Kumar, Kei Kubota, Daisuke Igarashi, Shinichi Komaba
Summary: By using alkali metal fluorosulfonyl amide based nonaqueous electrolytes and a higher stiffness sodium alginate binder, the study prepared a KTiOPO4-reduced graphene oxide composite electrode with stable sodium and potassium storage properties. The research found that this composite electrode exhibited excellent performance during cycling, showing high cycle stability and high rate capability.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
Review
Chemistry, Multidisciplinary
Amine Bouibes, Norio Takenaka, Kei Kubota, Shinichi Komaba, Masataka Nagaoka
Summary: This review provides an overview of the latest progress in advanced electrolytes for Na-ion batteries (NIBs) through collaboration between theoretical and experimental scientists. The effects of NaPF6 salt and fluoroethylene carbonate (FEC) additives in propylene carbonate (PC)-based electrolyte solution are discussed, along with the introduction of the Red Moon (RM) methodology for computational battery technology.
Article
Nanoscience & Nanotechnology
Tomooki Hosaka, Ayumi Noda, Kei Kubota, Kento Chiguchi, Yuki Matsuda, Kazuhiko Ida, Satoshi Yasuno, Shinichi Komaba
Summary: Superconcentrated aqueous electrolytes have been developed for 2 V-class aqueous batteries. By controlling the composition of the electrolyte, a wider potential window and good charge/discharge performance has been achieved. Two different battery configurations showed excellent performance using the electrolyte. The study proposes new sodium/potassium-ion batteries using the superconcentrated NaFSA-KFSA aqueous electrolytes.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Mitsuharu Tabuchi, Yoshikazu Sasaki, Hideka Shibuya, Kyousuke Doumae, Misaki Katayama, Keisuke Yamanaka, Yasuhiro Inada, Ryota Yuge, Kei Kubota
Summary: Samples calcined in different environments showed variations in initial capacities and crystal phase structures. The sample calcined in N-2 atmosphere exhibited higher initial capacities and suppressed the formation of cubic spinel. Fe3+ ions were effectively utilized as redox centers. The sample underwent partial reduction to the trivalent state during discharging.
MATERIALS RESEARCH BULLETIN
(2022)
Article
Chemistry, Physical
Mizuki Hamada, Ryoichi Tatara, Kei Kubota, Shinichi Kumakura, Shinichi Komaba
Summary: K metal disk electrodes prepared with a simple and effective pretreatment process exhibited excellent performance in continuous metal stripping-deposition reactions, enabling the formation of a passivation layer and the fabrication of a 3 V-class all-solid-state K-ion battery operated at room temperature.
ACS ENERGY LETTERS
(2022)
Article
Chemistry, Physical
Tomooki Hosaka, Rie Takahashi, Kei Kubota, Ryoichi Tatara, Yuki Matsuda, Kazuhiko Ida, Kanji Kuba, Shinichi Komaba
Summary: In this study, a potassium salt monohydrate melt electrolyte was prepared by mixing potassium salts, and it showed a wider potential window and improved reversibility compared to the pure components. The monohydrate melt electrolyte also reduced degradation of the electrode and crystal structures. This was attributed to the lower solubility of PTCDI and the formation of a solid electrolyte interphase consisting of FSA(-) decomposed products.
JOURNAL OF POWER SOURCES
(2022)
Article
Chemistry, Physical
Eun Jeong Kim, Tomooki Hosaka, Kei Kubota, Ryoichi Tatara, Shinichi Kumakura, Shinichi Komaba
Summary: Layered manganese oxides with Cu substitution for Mn have been studied for sustainable sodium-ion battery materials. The study focused on the structural evolution and oxygen redox activation, finding that the type of substituent does not affect oxygen redox, but the nature and concentration of the substituted element(s) influence structural evolution. Cu substitution in P2-type Na0.67[Cu0.2Mn0.8O2] resulted in suppressed voltage hysteresis but could lead to lattice stress affecting cyclability.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Ryoichi Tatara, Hosei Suzuki, Mizuki Hamada, Kei Kubota, Shinichi Kumakura, Shinichi Komaba
Summary: This study demonstrates the stable operation of all-solid-state sodium batteries using dry polymer electrolytes based on Na half-cell optimization. The dispersed composite electrode with active material, conductive carbon, and binder polymer is crucial for a stable charge-discharge reaction. The all-solid-state batteries show excellent cycle performance even at elevated temperature, outperforming the performance of liquid electrolytes.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Chemistry, Multidisciplinary
Kei Kubota, Takuya Asari, Shinichi Komaba
Summary: It has been found that dual substitution of Ti-IV for Mn-IV and Zn-II for Ni-II in P2-Na-2/3[Ni1/3Mn2/3]O-2 can disturb the Na+-vacancy ordering, resulting in almost non-step voltage curves and high reversible capacity with maintained crystalline structure. Synchrotron X-ray, neutron, and electron diffraction measurements reveal that the dual-substitution uniquely promotes in-plane Ni-II-Mn-IV ordering, which differs from the disordered mixing in conventional multiple metal substitution.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Daisuke Igarashi, Yoko Tanaka, Kei Kubota, Ryoichi Tatara, Hayato Maejima, Tomooki Hosaka, Shinichi Komaba
Summary: By optimizing the ZnO-template of hard carbon material, capacity and energy density of Na-ion batteries can be improved, and it shows good performance in sodium-ion and potassium-ion storage.
ADVANCED ENERGY MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Eun Jeong Kim, P. Ramesh Kumar, Zachary T. Gossage, Kei Kubota, Tomooki Hosaka, Ryoichi Tatara, Shinichi Komaba
Summary: This comprehensive review discusses ongoing studies on electrode materials for sodium ion batteries (SIBs) and potassium ion batteries (PIBs) in comparison to lithium ion batteries (LIBs). It emphasizes the importance of crystal structure for electrode materials and analyzes the associated intrinsic and dynamic structural properties and electrochemistry of alkali metal ions. The challenges and corresponding strategies for electrode materials and the electrolyte-electrode interface/interphase are also examined. The insights and discussions presented in this review can guide future investigations of SIBs and PIBs.
Article
Chemistry, Physical
Kei Kubota, Naoya Fujitani, Yusuke Yoda, Kazutoshi Kuroki, Yusuke Tokita, Shinichi Komaba
Summary: By substituting Mg and Ti into the NaNi1/2Mn1/2O2 material, it is possible to improve its capacity capability and make the capacity more sustainable. The co-substitution of Mg and Ti not only enhances the reversibility of structural changes but also improves the surface structural stability of the material, leading to excellent performance in sodium batteries.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Hiroo Onuma, Kei Kubota, Shotaro Muratsubaki, Wataru Ota, Maxim Shishkin, Hirofumi Sato, Koichi Yamashita, Satoshi Yasuno, Shinichi Komaba
Summary: This study investigates the phase evolution of graphite during electrochemical K-intercalation and deintercalation, proposing structural change mechanisms based on experimental and theoretical data. The results reveal staging transformations and hysteresis in the process.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
A. Shahul Hameed, Mirai Ohara, Kei Kubota, Shinichi Komaba
Summary: A phosphite-based layered polyanionic material was explored as a positive electrode for Na-ion batteries with high energy density and long cycle life. The material exhibited high discharge capacity in Na half-cells, and capacity fading was overcome through ball-milling with carbon. The layered material facilitated the migration of large Na+ ions, resulting in superior rate performance and long-term cycling stability.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
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)
