Article
Chemistry, Multidisciplinary
Kiyohiro AdachI, Ailong Li, Shuang Kong, Ryuhei Nakamura, Daisuke Hashizume
Summary: Structure parameters, such as bond length, bond angle, and occupancy, play a crucial role in the activity of solid catalysts and the physical properties of electronic and magnetic materials. Accurate structure analysis, especially for cases where atoms with similar atomic numbers occupy the same site, is challenging using powder X-ray diffraction (PXRD) alone. In this study, a hybrid structure analysis combining PXRD and X-ray absorption fine structure (XAFS) was presented, which incorporated more accurate information from XAFS into the precise refinement of PXRD data. This method allowed for the determination of accurate and precise structure parameters, including atom occupancy, providing a useful basis for clarifying catalytic reaction mechanisms.
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
(2023)
Article
Engineering, Aerospace
Hisamitsu Awaki, Yoshitomo Maeda, Hironori Matsumoto, Marcos Bavdaz, Finn E. Christensen, Maximilien Collon, Desiree D. M. Ferreira, Kazunori Ishibashi, Sonny Massahi, Takuya Miyazawa, Sara Svendsen, Keisuke Tamura
Summary: In this experiment, the reflectivity of an Athena silicon pore optics sample coated with 10-nm thick iridium near the iridium L-edges (L-3, L-2, and L-1) was measured. The atomic scattering factor and absorption coefficient near L-edges were analyzed, and it was found that reflectivity measurements can provide atomic structural information different from X-ray absorption spectroscopy.
JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS
(2022)
Article
Chemistry, Physical
Hideaki Oka, Takamasa Nonaka, Yasuhito Kondo, Yoshinari Makimura
Summary: In this study, an electrochemical cell capable of controlled overcharging and temperature regulation is developed, and the reactions between the electrodes and the electrolyte are investigated during heated overcharging. The results show that higher temperatures during overcharging lead to increased side reactions in the positive electrode, while the negative electrode gradually increases side reactions with increasing temperature in the normal charge-discharge region. The side reactions are induced by the oxidative decomposition of the electrolyte at the positive electrode.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
Alfredo Romero-Contreras, Juan S. Lezama Pacheco, Joaquin Alvarado, Umapada Pal, Julio Villanueva-Cab
Summary: The study reveals that a more relaxed lattice and less static disorder are the characteristics of optimized aqueous DSSCs. The decrease in intragap states leads to a downward shift of the quasi-Fermi level, amplifying the short-circuit photocurrent.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Yuta Kimura, Su Huang, Takashi Nakamura, Nozomu Ishiguro, Oki Sekizawa, Kiyofumi Nitta, Tomoya Uruga, Tomonari Takeuchi, Toyoki Okumura, Mizuki Tada, Yoshiharu Uchimoto, Koji Amezawa
Summary: A method combining operando computed tomography and X-ray absorption near-edge structure spectroscopy (CT-XANES) is proposed in this paper to directly track the evolution of the 3D distribution of local capacity loss in battery electrodes. The method enables a five-dimensional analysis of degradation, including spatial coordinates, time, and chemical state. It quantifies the spatiotemporal dynamics of local capacity degradation and correlates it with overall electrode performance, providing critical insights for identifying degradation factors and developing batteries with long-term stability.
Article
Engineering, Environmental
Yuqin Sun, Jing Sun, Athena A. Nghiem, Benjamin C. Bostick, Tyler Ellis, Long Han, Zengyi Li, Songlin Liu, Shuangbao Han, Miao Zhang, Yu Xia, Yan Zheng
Summary: The study used high-resolution spectroscopy techniques in combination with groundwater composition and metagenomics measurements to investigate the oxidation states of arsenic and iron in sediments from the Yinchuan Plain in northwest China. Results showed that at shallower depths, sediments contained high levels of As(V), As(III), and Fe(III) (hydr)oxides, while at deeper depths, sediments were enriched in As(V), As(III), and Fe(III) (hydr)oxides, despite high As(III) concentrations in groundwater. The study supports active arsenic and iron reduction processes based on the contrast between the dominant forms of arsenic in groundwater and sediment, as well as the decreasing concentrations of sediment As(V) and Fe(III) (hydr)oxides with depth.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Environmental
Xin Liu, Jianwei Zhou, Weiqing Zhou, Yu Feng, Y. Zou Finfrock, YingYing Liu, Peng Liu, Cheng Shu
Summary: This study found that FeCl3-modified biochar at 900°C exhibited the best removal performance for Sb(III/V), with kinetic and isothermal analyses fitting pseudo-second-order, Langmuir, and Redlich-Peterson models. XAS studies indicated oxidation of Sb(III) to Sb(V), with oxidation extent increasing with pyrolysis temperature.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Geochemistry & Geophysics
Teresa Zahoransky, Klaus Kaiser, Christian Mikutta
Summary: Manganese speciation plays a crucial role in the fate of contaminants, nutrients, and organic matter in soils. This study quantitatively analyzed the Mn species in Central European soils using chemical analysis and spectroscopic techniques. The results showed that Mn redox variability was high in organic surface layers, while manganates dominated in mineral soil horizons. The predominance of manganates has significant implications for soil functioning and biogeochemical element cycles.
GEOCHIMICA ET COSMOCHIMICA ACTA
(2022)
Article
Engineering, Environmental
Ling-Li Li, Qi-Zhong Wu, Jie-Jie Chen, Yin-Hua Cui, Cheng-Ming Zhu, Bing-Yan Li, Zhen Guo, Wen-Wei Li
Summary: The study revealed the specific roles of glutathione (GSH) and phytochelatins (PCs) in mediating CdSe NP formation in Caenorhabditis elegans. By monitoring the compositional and structural changes of Cd and Se species and the genetic-level responses of nematodes, the detailed Cd-Se interaction pathways were further deciphered.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Environmental Sciences
Frederico Prestes Gomes, Matheus Bortolanza Soares, Hudson Wallace Pereira de Carvalho, Aakriti Sharma, Dean Hesterberg, Luis Reynaldo Ferracciu Alleoni
Summary: Mining is important to the Brazilian economy but can cause environmental problems such as soil pollution with toxic metals like zinc. This study examined changes in the chemical speciation and mobility of zinc in soil amended with phosphate. The results showed the formation of specific zinc species and an increase in zinc desorption after phosphate amendment.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Chemistry, Multidisciplinary
Yingyi Ding, Tianli Han, Zhao Wu, Yong Guan, Jun Hu, Chaoquan Hu, Yangchao Tian, Jinyun Liu
Summary: A high-performance magnesium/lithium hybrid-ion battery (MLHB) has been developed in this study, achieving excellent performance in terms of safety, cycle life, and energy density through the use of modified complex, new electrolyte, and special cathode material. This hybrid-ion battery system has significant engineering potentials for advancing high-safety battery technologies and related fields.
Article
Medicine, Research & Experimental
Hironori Suzuki, Masahito Matsushima, Masataka Ito, Shuji Noguchi
Summary: Sulfur K-edge X-ray absorption near-edge spectroscopy (XANES) can be used to distinguish crystal polymorphs of active pharmaceutical ingredients (APIs) containing sulfur atoms. The shape of XANES spectra is influenced by the C-S-C bond angle of molecules and intermolecular hydrogen bonds and S-S interaction, while the peak energy values can vary with hydrogen bonds and S-S interaction. Linear combination fitting of XANES spectra can quantify the ratio of crystal forms in mixed powders, demonstrating the utility of XANES measurements for evaluating crystal polymorphism in pharmaceutical formulations containing sulfur atoms.
MOLECULAR PHARMACEUTICS
(2022)
Article
Chemistry, Multidisciplinary
Charles A. Bolzan, Bernt Johannessen, Zhibin Wu, Raquel Giulian
Summary: In(1-x)Al(x)Sb films were deposited on amorphous SiO2 with different In/Al concentration ratios, and their atomic structure was analyzed using EXAFS and GIXRD techniques. The study revealed that under strain, alloying effects primarily affect the first nearest-neighbor shell distances, while strain effects are more pronounced in higher coordination shells.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2021)
Article
Chemistry, Physical
Daniel Duarte Ruiz, Caterina Cocchi
Summary: This study used advanced methods to investigate core spectroscopy in LiCoO2 and CoO2, revealing that excitonic effects play a negligible role in the X-ray absorption spectra of these materials. Monitoring the electronic structure of LiCoO2 during the delithiation process is sufficient to capture the evolution of their X-ray absorption signatures.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Chemistry, Physical
Yasushi Idemoto, Mai Ichiyama, Naoya Ishida, Naoto Kitamura
Summary: Mg1+yCo2-x-yMnxO4 was synthesized by reverse co-precipitation method and its structural properties and charge-discharge performance were studied, showing a high discharge capacity under certain conditions. Electronic structure analysis revealed easier Mg insertion in Mg1+yCo2-x-yMnxO4, and XAFS measurements detected redox processes of Co and Mn.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Multidisciplinary
Hikaru Sano, Nobuhiko Takeichi, Minami Kato, Masahiro Shikano, Tetsu Kiyobayashi, Hajime Matsumoto, Susumu Kuwabata, Masaru Yao
Article
Chemistry, Physical
Yuta Kimura, Aina Tomura, Mahunnop Fakkao, Takashi Nakamura, Nozomu Ishiguro, Oki Sekizawa, Kiyofumi Nitta, Tomoya Uruga, Toyoki Okumura, Mizuki Tada, Yoshiharu Uchimoto, Koji Amezawa
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2020)
Article
Energy & Fuels
Titus Masese, Kazuki Yoshii, Kohei Tada, Minami Kato, Satoshi Uchida, Keigo Kubota, Toshiaki Ina, Toyoki Okumura, Zhen-Dong Huang, Junya Furutani, Yuki Orikasa, Hiroshi Senoh, Shingo Tanaka, Masahiro Shikano
Article
Chemistry, Physical
Yuta Kimura, Mahunnop Fakkao, Takashi Nakamura, Toyoki Okumura, Nozomu Ishiguro, Oki Sekizawa, Kiyofumi Nitta, Tomoya Uruga, Mizuki Tada, Yoshiharu Uchimoto, Koji Amezawa
ACS APPLIED ENERGY MATERIALS
(2020)
Article
Electrochemistry
Kazuki Yoshii, Hisao Kiuchi, Noboru Taguchi, Masahiro Shikano, Eiichiro Matsubara, Hikari Sakaebe
Article
Chemistry, Physical
Toyoki Okumura, Tomonari Takeuchi, Hironori Kobayashi
Summary: An impurity-free interface was achieved in an oxide-based all-solid-state battery (ASSB) through cosintering, with enhanced thermal stability between the LiMO electrode materials and LISICON-type LGVO electrolyte. The high ionic conductivity of LGVO facilitated good reversible capacity in the NMC electrode, making it a promising property in oxide-based ASSBs.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Multidisciplinary Sciences
Titus Masese, Yoshinobu Miyazaki, Josef Rizell, Godwill Mbiti Kanyolo, Chih-Yao Chen, Hiroki Ubukata, Keigo Kubota, Kartik Sau, Tamio Ikeshoji, Zhen-Dong Huang, Kazuki Yoshii, Teruo Takahashi, Miyu Ito, Hiroshi Senoh, Jinkwang Hwang, Abbas Alshehabi, Kazuhiko Matsumoto, Toshiyuki Matsunaga, Kotaro Fujii, Masatomo Yashima, Masahiro Shikano, Cedric Tassel, Hiroshi Kageyama, Yoshiharu Uchimoto, Rika Hagiwara, Tomohiro Saito
Summary: Honeycomb layered oxides are a class of emerging materials with peculiar physicochemical properties. The authors report the synthesis and electrochemical energy storage characterizations of a mixed-alkali honeycomb layered oxide material capable of storing Na and K ions simultaneously.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Guowei Zhao, Kota Suzuki, Toyoki Okumura, Tomonari Takeuchi, Masaaki Hirayama, Ryoji Kanno
Summary: In this study, lithium superionic conductors with gamma-Li3PO4-type structures were developed to investigate the multicomponent effects on ion-conducting properties. The results showed that framework cations with larger ionic radii exhibited enhanced conductive properties, and the changes in ionic conductivity associated with the ionic radius were larger in ternary systems than those in binary systems.
CHEMISTRY OF MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Miyuki Sakakura, Kazutaka Mitsuishi, Toyoki Okumura, Norikazu Ishigaki, Yasutoshi Iriyama
Summary: Combining Garnet-type LLZ and LISICON-type LGVO as a multilayer solid electrolyte sheet can effectively reduce reactivity issues during the sintering process, improving the performance and cycle life of solid-state batteries.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Yuta Kimura, Su Huang, Takashi Nakamura, Nozomu Ishiguro, Oki Sekizawa, Kiyofumi Nitta, Tomoya Uruga, Tomonari Takeuchi, Toyoki Okumura, Mizuki Tada, Yoshiharu Uchimoto, Koji Amezawa
Summary: A method combining operando computed tomography and X-ray absorption near-edge structure spectroscopy (CT-XANES) is proposed in this paper to directly track the evolution of the 3D distribution of local capacity loss in battery electrodes. The method enables a five-dimensional analysis of degradation, including spatial coordinates, time, and chemical state. It quantifies the spatiotemporal dynamics of local capacity degradation and correlates it with overall electrode performance, providing critical insights for identifying degradation factors and developing batteries with long-term stability.
Article
Chemistry, Multidisciplinary
Toyoki Okumura, Yoshitaka Shiba, Noriko Sakamoto, Takeshi Kobayashi, Saori Hashimoto, Kentaro Doguchi, Harunobu Ogaki, Tomonari Takeuchi, Hironori Kobayashi
Summary: By substituting tetravalent ions and creating vacancies, the ionic conductivity of Li6Y(BO3)(3) (LYBO) was enhanced, leading to good reversible capacities in solid-state batteries.
Article
Nanoscience & Nanotechnology
Masahiro Mori, Shingo Tanaka, Masahiro Shikano, Hikari Sakaebe
Summary: By calculating the stable atomic and electronic states of vanadium-substituted trirutile-type LixFeF3, it was found that the x = 0.50 configurations were the most stable for all y values studied. In cases where Fe and V coexisted, compositions with the same Li insertion as Fe substitution were energetically stable. The results suggest that Fe (or V) in LixFe1-yVyF3 preferentially decreases (or increases) its formal valence state with Li insertion.
Article
Chemistry, Physical
Keiji Shimoda, Masahiro Shikano, Miwa Murakami, Hikari Sakaebe
JOURNAL OF POWER SOURCES
(2020)
Article
Chemistry, Multidisciplinary
Kazuki Yoshii, Noboru Taguchi, Takeshi Miyazaki, Masahiro Shikano, Hikari Sakaebe
CHEMICAL COMMUNICATIONS
(2020)
Article
Chemistry, Physical
Toyoki Okumura, Sou Taminato, Yoshinobu Miyazaki, Michinori Kitamura, Tomohiro Saito, Tomonari Takeuchi, Hironori Kobayashi
ACS APPLIED ENERGY MATERIALS
(2020)
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)
