Article
Chemistry, Physical
Maziar A. Farshadnia, Ali A. Ensafi, K. Zarean Mousaabadi, B. Rezaei
Summary: A spongy nanostructure of graphene oxide was synthesized and combined with CoNi2S4 and MoS2 nanocomposites to enhance the performance of the final nanocomposite, showing improved specific capacitance, stability, and energy/power density for supercapacitor application.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Ceramics
A. M. Teli, S. A. Beknalkar, S. M. Mane, T. S. Bhat, B. B. Kamble, S. B. Patil, S. B. Sadale, J. C. Shin
Summary: Transition metal chalcogenides, specifically molybdenum disulfide (MoS2), have attracted attention in the field of energy storage due to their unique properties. In this study, MoS2 was successfully deposited on Ni foam using a one-step electrode-position method, resulting in an interconnected crumpled-nanoflake structure. The MoS2 electrodes exhibited excellent electrochemical performance, with a maximum areal capacitance of 416.9 mFcm?2. An asymmetric device constructed with MoS2 and activated carbon as electrodes showed promising energy storage capabilities, with an areal capacitance of 277.3 mFcm(-2) and energy density of 0.15 mWhcm(-2) at 5.33 mWcm(-2) power density. Furthermore, the device demonstrated high cyclability and coulombic efficiency, making MoS2 and MoS2//AC devices potential candidates for emerging energy storage applications.
CERAMICS INTERNATIONAL
(2022)
Article
Energy & Fuels
Jing Pan, Shaobin Li, Li Zhang, Tingting Yu, Fengbo Li, Wenzhi Zhang, Jianxin Wang, Deqing Zhang, Yan Yu, Xin Li
Summary: Design and synthesis of a novel core-shell structured composite material has been demonstrated, showing excellent electrochemical properties and cycling stability in energy storage.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Analytical
Lin Tong, Chunxia Wu, Junxian Hou, Xiaoliang Zhang, Jiayuan Yan, Zehu Wang, Yanming Wang, Jingbo Mu, Zhixiao Zhang, Hongwei Che
Summary: This study successfully synthesized Fe3O4@PPy@MnO2 nanocomposites with porous core and double-shell layers, and utilized them as supercapacitor electrode materials. The prepared composite electrode material showed high specific capacitance and excellent cycling stability, demonstrating great potential for high-performance supercapacitors.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Materials Science, Multidisciplinary
Surbhi Anand, Arup Choudhury
Summary: In this study, self-standing core-shell manganese molybdenum sulfide/carbon nanofiber (MnMoS4@CNF) hybrid mats were fabricated and evaluated for flexible supercapacitor applications. The hybrid mats exhibited specific capacitance of 1727.9 F g(-1) and good cycling stability. When used as electrode materials in a solid-state asymmetry supercapacitor (ASC) device, the nanostructured MnMoS4-decorated CNF hybrid mat showed outstanding electrochemical properties of energy density 73.7 Wh Kg(-1) and good cycling stability (88.3% after 6000 cycles). Therefore, the hybrid mat has potential for the fabrication of next-generation solid-state supercapacitors.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Chemistry, Physical
X. Zhang, D. Li, Q. Ruan, L. Liu, B. Wang, F. Xiong, C. Huang, P. K. Chu
Summary: This paper provides a comprehensive overview of vanadium-based cathode materials for rechargeable magnesium batteries (RMBs), including vanadium oxides, vanadates, vanadium chalcogenides, and vanadium-based phosphates. The structure, electrochemical properties, optimization strategies, structure-performance relationship, and reaction mechanisms of various vanadium-based cathode materials are described. The challenges, prospective, and future research directions of vanadium-based electrode materials are discussed.
MATERIALS TODAY ENERGY
(2023)
Article
Chemistry, Physical
Hoang X. Dang, Dominik P. J. Barz
Summary: Hybrid energy storage devices using reversible vanadium redox couples and functionalized electrodes demonstrate enhanced cycling stability and power densities, outperforming similar aqueous redox hybrid systems in terms of specific capacity, capacitance, power density, and energy density.
JOURNAL OF POWER SOURCES
(2022)
Article
Energy & Fuels
Yuxin Zhang, Weibing Ma, Tao Wang, Jingdong Guo, Tao Zhang, De'an Yang
Summary: The coralline nickel molybdenum oxide and sulfide (Ni-Mo-O-S) composites were successfully synthesized and showed excellent electrical conductivity and electrochemical performance. The materials achieved high specific capacity, good rate performance, and improved cyclic stability. The asymmetric supercapacitor device assembled from the composites exhibited high specific energy and excellent long-term electrochemical cycling stability.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Chemistry, Physical
Sudhakaran Moopri Singer Pandiyarajan, Ganesh Kumar Veerasubramani, Roshan Mangal Bhattarai, Gnanaselvan Gnanasekaran, Sang Jae Kim, Young Sun Mok
Summary: A hierarchical MoS2-CNT(PPy)s structure was proposed as an electrode material for a symmetric supercapacitor, exhibiting expanded interlayer spacing and core-shell structure. By adding Na2MoO4 to the PVA/H2SO4 electrolyte, the specific capacitance of the MoS2-CNTPPy SSC can be increased threefold compared to the PVA/H2SO4 electrolyte, with excellent capacity retention.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Muhammad Ahmad, Iftikhar Hussain, Tehseen Nawaz, Yuxiang Li, Xi Chen, Shafqat Ali, Muhammad Imran, Xiaoxia Ma, Kaili Zhang
Summary: This study successfully synthesized highly efficient Zn-Ni-Co-S/Se/Te electrode materials using a hydrothermal/solvothermal strategy, and investigated the energy storage mechanism of trimetallic chalcogenides in aqueous KOH electrolyte. The Zn-Ni-Co-Se electrode material exhibited competitive high specific capacity.
JOURNAL OF POWER SOURCES
(2022)
Article
Energy & Fuels
Hadi Heydari, Majid Abdouss, Saeedeh Mazinani, Ali Mohammad Bazargan, Fataneh Fatemi
Summary: The behavior of the PANI/MoS2-MnO2 composite on a Glassy Carbon electrode for supercapacitor applications was studied in this work. The ternary composite serves as an electrode in both three and two electrode systems with superior electrochemical properties compared to binary complexes. The supercapacitor electrode consists of MoS2 nanosheets, MnO2, and polyaniline, providing high specific capacitance, energy, power, and cycling stability.
JOURNAL OF ENERGY STORAGE
(2021)
Review
Energy & Fuels
Satish P. Gupta, Poonam P. Sanap, Madhav K. Deore, Jayavant L. Gunjakar, Babasaheb R. Sankapal, Chandrakant D. Lokhande, Zafar Said, Anuradha B. Bhalerao, Ravindra N. Bulakhe, Ji Man Kim
Summary: The growing energy demands of daily life require innovative solutions. Green approaches promote the use of renewable energy sources in conversion and storage systems. Nanomaterials research has advanced, with diverse structures and shapes for various applications. Supercapacitor-based systems are emerging as leading alternatives for energy storage. Transition metal dichalcogenides (TMDCs) are being explored as novel electrode materials for supercapacitors. This review focuses on the technological development, characteristics, and properties of TMDCs used in supercapacitors.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Energy & Fuels
Ahmed Bahaa, Mohammad Ali Abdelkareem, Halima Al Naqbi, Ahmed Yousef Mohamed, Bashria A. A. Yousef, Enas Taha Sayed, Kyu-Jung Chae, Sameer Al-Asheh, A. G. Olabi
Summary: Metal chalcogenides, such as metal sulfides and selenides, have attracted significant attention as materials for supercapacitors due to their superior electrical conductivity and thermal stability compared to metal oxides. By preparing monocrystalline Ni-M nanosheets as positive electrodes and using nitrogen-doped graphene aerogel with exfoliated iron titanium nitride as negative electrodes, high-performance asymmetric supercapacitors can be achieved.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Multidisciplinary
Deokhyun Hwang, Jong-Wook Ha, Young Soo
Summary: This study demonstrates a simple one-pot process for the preparation of V3.5+ electrolytes from V2O5 using hydrazine monohydrate as a residue-free reducing agent and molybdenum as a homogeneous catalyst. The developed process exhibits scalability and high reproducibility, contributing to the wide application of VRFBs as large-scale and long-term energy storage systems.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2023)
Article
Chemistry, Physical
Sangeeta Adhikari, Gi-Hyeok Noh, Do-Heyoung Kim
Summary: Core-shell designed electrode architectures with favorable material components, specifically FeCo2O4@Ni(OH)2, were successfully grown on a Ni-foam substrate. These core-shell arrays exhibited improved electrochemical performance, with a high specific capacitance of 1944 F g-1 and better performance than individual FeCo2O4 and Ni(OH)2. The improved performance was attributed to the synergistic effects of the core-shell array architectures and enhanced electrical conductivity through electroactive sites.
APPLIED SURFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Jingqiang Wang, Duy Thanh Tran, Kai Chang, Sampath Prabhakaran, Do Hwan Kim, Nam Hoon Kim, Joong Hee Lee
Summary: A heterostructured electrocatalyst of NiSe2-NPs/NiMoN-NRs was prepared to accelerate both the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in an alkaline medium. The catalyst showed excellent catalytic activities and working stability, achieving high efficiency for HER and OER with low overpotential.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Thanh Hai Nguyen, Phan Khanh Linh Tran, Van An Dinh, Duy Thanh Tran, Nam Hoon Kim, Joong Hee Lee
Summary: In this study, a novel multifunctional electrocatalyst composed of Fe-MC and MXene embedded in GrH was designed. The catalyst exhibited excellent catalytic activities and stability for various reactions, including ORR, OER, and HER. Practical tests demonstrated high power densities and cycling stability in Zn/Al-air batteries and alkaline water electrolyzers.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Engineering, Environmental
Tran Thien An Nguyen, Bobby Singh Soram, Duy Thanh Tran, Nam Hoon Kim, Joong Hee Lee
Summary: This study develops a dual-functional rechargeable Zn-ion battery with advanced electrochromic and energy-storage characteristics. By using a hierarchical MnO2-PANi/PEDOT:PSS/Ag@Ni NWs thin film as the electrode material, the battery exhibits remarkable electrochemical performance and effective electrochromism.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Manjinder Singh, Thanh Tuan Nguyen, Muthu P. Austeria, Quynh Phuong Ngo, Do Hwan Kim, Nam Hoon Kim, Joong Hee Lee
Summary: In this work, distorted metastable hybrid-phase induced 1T '/1T Co,P-SnS2 nanosheets on carbon cloth (1T '/1T Co,P-SnS2@CC) were prepared and examined for the electrocatalytic reactions of ORR, OER, and HER. The distorted 1T '/1T Co,P-SnS2 exhibited excellent conductivity and strong hydrogen adsorption ability, resulting in enhanced electrochemical performance. The catalyst showed low overpotentials for HER and OER, and exceptional activity for ORR.
Article
Chemistry, Multidisciplinary
Hyun Wook Go, Thanh Tuan Nguyen, Quynh Phuong Ngo, Rongrong Chu, Nam Hoon Kim, Joong Hee Lee
Summary: This work proposes a novel method to design a heterogeneous CoP/CoO electrocatalyst on mesopore nanobox carbon/carbon nanotube (CoP/CoO@MNC-CNT) that enriched active sites and synergistic effect. The well-defined heterointerfaces could lower the energy barrier for intermediate species adsorption and promote OER and ORR electrochemical performances. The ZABs-based CoP/CoO@MNC-CNT air-cathode shows high performance in terms of ORR half-wave potential and OER overpotential, and the flexible ZABs exhibit highly mechanical stability, demonstrating their application potential in wearable electronic devices.
Article
Chemistry, Multidisciplinary
Debarani Devi Khumujam, Tolendra Kshetri, Thangjam Ibomcha Singh, Nam Hoon Kim, Joong Hee Lee
Summary: The judicious design of highly electrochemically active materials on 1D fiber substrate to form a hierarchical integrated hybrid structure is an efficient technique to improve the limited cylindrical space and volumetric energy density of fiber-shaped supercapacitors (FSCs).
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Xinfeng Zhu, Dinh Chuong Nguyen, Sampath Prabhakaran, Do Hwan Kim, Nam Hoon Kim, Joong Hee Lee
Summary: To meet the demand for green energy, scientists have developed a novel catalyst based on Ir-doped CoNi2S4 nanosheets assembled on carbon nanotubes supported on a 3D carbon framework. This catalyst exhibits excellent activity for hydrogen and oxygen evolution reactions, surpassing noble-metal-free electrocatalysts and commercial RuO2 catalysts. It also demonstrates better stability and durability than commercial Pt/C and RuO2 catalysts in an electrolyzer.
MATERIALS TODAY NANO
(2023)
Article
Engineering, Environmental
Wenqi Fan, Bobby Singh Soram, Duy Thanh Tran, Nam Hoon Kima, Joong Hee Lee
Summary: In this study, a novel PAN-I@WMoO3 nanorods core-shell structure was designed as an intercalation electrode for aqueous flexible zinc-ion batteries (ZIBs). The PANI@WMoO3//Zn/CC battery exhibited outstanding electrochemical performance, exceptional rate capability, superior cyclic stability, and excellent mechanical characteristics. Additionally, a Zn metal-free aqueous Zn-ion battery was successfully assembled with PANI@WMoO3 NRs/CC as an anode, demonstrating the practicability of this design for zinc-ion full batteries.
CHEMICAL ENGINEERING JOURNAL
(2023)
Review
Chemistry, Inorganic & Nuclear
Huihui Zhang, Yang Fu, Hien Trang Nguyen, Bronwyn Fox, Joong Hee Lee, Alan Kin-Tak Lau, Hua Zheng, Han Lin, Tianyi Ma, Baohua Jia
Summary: This review summarizes the material challenges and advances in the green H2 ecosystem, providing strategies to address these challenges and exploring the role of materials science in building practical and sustainable H2 ecosystems. It will pave the way for the development of a green and sustainable H2 economy.
COORDINATION CHEMISTRY REVIEWS
(2023)
Article
Chemistry, Physical
Ok-Kyung Park, Nam Hoon Kim, Joong Hee Lee
Summary: This study presents an easily scalable and effective fabrication approach for the development of iron oxide (Fe3O4) anchored highly porous carbon nanotube hybrid foam (f-Fe3O4/O-CNTF) with micro/mesoporous structure to improve durability and energy storage performance. The obtained f-Fe3O4/O-CNTF(M) with changed surface morphology showed significantly enhanced specific surface area and specific capacitance compared to f-Fe3O4/O-CNTF. The changed surface morphology also prevented re-aggregation and greatly improved durability, demonstrating outstanding cycling stability and delivering high energy density in the assembled supercapacitor device.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Joonghee Lee, Hyeonjeong Jo, Jaehong Oh
Summary: Drone surveys are increasingly popular in various construction applications, including civil engineering. However, the accuracy of elevation measurement and surface settlement prediction has been limited in the field of geotechnical engineering. This study applied drone LiDAR surveying to measure soft ground settlement at a large land reclamation site. The results showed that drone LiDAR surveying had high accuracy in terms of vertical accuracy, long-term settlement prediction, and consolidation.
APPLIED SCIENCES-BASEL
(2023)
Article
Chemistry, Physical
Rongrong Chu, Thanh Tuan Nguyen, Hewei Song, P. Muthu Austeria, Yanqun Bai, Do Hwan Kim, Joong Hee Lee, Nam Hoon Kim
Summary: Researchers have synthesized a material with metal-organic frameworks derived m-/c-ZrO2 heterojunction distributed on nitrogen-doped porous carbon (NC) and uniformly wrapped by graphene sheets. This material can efficiently impede LiPSs shuttling and regulate the conversion reaction of long-chain LiPSs, leading to remarkable cyclability and high specific capacity in lithium-sulfur batteries. This study provides a promising strategy for the rational design of stable and safe lithium-sulfur batteries.
ENERGY STORAGE MATERIALS
(2023)
Article
Green & Sustainable Science & Technology
Hun Jeong, Khoa Dang Tran, Duy Thanh Tran, Nam Hoon Kim, Joong Hee Lee
Summary: This study presents an effective engineering approach to enhance the multi-integrated active sites of nickel catalysts, resulting in N-doped Ni@CNTs material with excellent catalytic features for hydrogen and oxygen evolution reactions. The electrolyzer device derived from N-doped Ni@CNTs demonstrates a low operation voltage and superior stability compared to Pt/C(±)/RuO2(+). Additionally, the non-enzymatic glucose sensor derived from N-doped Ni@CNTs electrode exhibits high sensitivity, wide linear range, low detection limit, selectivity, and long-term stability.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Chemistry, Physical
Quynh Phuong Ngo, Thanh Tuan Nguyen, Manjinder Singh, Nam Hoon Kim, Joong Hee Lee
Summary: In this study, we report the preparation of a Mott-Schottky catalyst with high catalytic activity for ORR, OER, and HER through in situ pyrolysis strategy. The ZABs using this catalyst show excellent battery performance and cycle life, and the flexible ZAB also demonstrates its potential for practical applications. Additionally, the catalyst exhibits impressive ability for water electrolysis devices.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Energy & Fuels
M. Ahmadifar, K. Benfriha, M. Shirinbayan, A. Aoussat, J. Fitoussi
Summary: This study investigates the impact of innovative polymer-metal interface treatment on the reliability and robustness of hydrogen storage technology. A scaled-down demonstrator was fabricated using rotomolding to examine the mechanical characteristics, damage, and fatigue behaviors of the metal-polymer interface. The findings reveal that sandblasting treatment enhances the resilience of the interface.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
A. A. Kandil, Mohamed M. Awad, Gamal I. Sultan, Mohamed S. Salem
Summary: This paper proposes a novel hybrid system that splits solar radiation into visible and thermal components using a beam splitter and integrates a phase change material (PCM) packed bed with a PV cell. Experimental and theoretical analyses show that the hybrid configuration significantly increases the net power output of the system compared to using a PV system alone.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Jinchao Li, Ya Xiao, Shiqiang Lu
Summary: The combination of energy storage and microgrids is crucial in addressing the uncertainty of distributed wind and solar resources. This article proposes a multi microgrid interaction system with electric-hydrogen hybrid energy storage, which optimizes the system's capacity configuration to improve its economy and reliability.
JOURNAL OF ENERGY STORAGE
(2024)
Review
Energy & Fuels
Shri Hari S. Pai, Sarvesh Kumar Pandey, E. James Jebaseelan Samuel, Jin Uk Jang, Arpan Kumar Nayak, HyukSu Han
Summary: This review discusses the structure-property relationship of nickel oxide nanostructures as excellent supercapacitive materials and provides an overview of various preparation methods and strategies to enhance specific capacitance. It comprehensively analyzes the current status, challenges, and future prospects of nickel oxide electrode materials for energy storage devices.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Xiaowei Wu, Xin Dong, Ziqin Liu, Xinyi Wang, Pu Hu, Chaoqun Shang
Summary: The growth of Li dendrites in lithium metal batteries is effectively controlled by constructing a three-dimensional framework on the surface of Li using Ni(OH)2 nanosheets modified Prussian blue tubes. This method provides a homogenous Li+ flux and sufficient space to accommodate the volume change of Li, resulting in suppressed dendrite growth and improved cycling performance.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Yan-Jie Liao, Yi-Yen Hsieh, Yi-Chun Yang, Hsing-Yu Tuan
Summary: We present two-dimensional AgInP2Se6 (AIPSe) bimetallic phosphorus trichalcogenides nanosheets as anodes for advanced alkali metal ion batteries (AMIBs). The introduction of bimetallic components enhances the electronic/ionic conductivity and optimizes the redox dynamics, resulting in superior electrochemical performance. The AIPSe@G anodes achieve high specific capacity, excellent cycle stability, and rate capability in both lithium-ion (LIBs) and potassium-ion batteries (PIBs). The comprehensive full cell tests further demonstrate the stability of AIPSe@G anodes under diverse current regimes.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Chenghu Wu, Weiwei Li, Tong Qian, Xuehua Xie, Jian Wang, Wenhu Tang, Xianfu Gong
Summary: In the context of increasing global environmental pollution and constant increase of carbon emission, hydrogen production from surplus renewable energy and hydrogen transportation using existing natural gas pipelines are effective means to mitigate renewable energy fluctuation, build a decarbonized gas network, and achieve the goal of carbon peak and carbon neutral in China. This paper proposes a quasi-steady-state modeling method of a hydrogen blended integrated electricity-gas system (HBIEGS) considering gas linepack and a sequential second-order cone programming (S-SOCP) method to solve the developed model. The results show that the proposed method improves computational efficiency by 91% compared with a general nonlinear solver.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Jingcen Zhang, Zhi Guo, Yazheng Zhu, Haifeng Zhang, Mengjie Yan, Dong Liu, Junjie Hao
Summary: In this study, a new type of sensible heat storage material was prepared using low-cost steel slag as the main component, providing an effective way of recycling steel slag. By analyzing the effects of different pretreatment steel slag content and sintering temperatures on the organization and properties of heat storage materials, the study found that the steel slag heat storage material exhibited excellent performance and stability under certain conditions.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
D. Carrillo-Pena, G. Pelaz, R. Mateos, A. Escapa
Summary: Methanogenic biocathodes have the potential to convert CO2 and electricity into methane, making them suitable for long-term electrical energy storage. They can also function as biological supercapacitors for short-term energy storage, although this aspect has received less attention. In this study, carbon-felt-based MB modified with graphene oxide were investigated for their electrical charge storage capabilities. Results showed that the potential of the electrode during discharging plays a significant role in determining the charge storage capacity.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Marco Gambini, Federica Guarnaccia, Michele Manno, Michela Vellini
Summary: This paper presents an analytical assessment of the energy-power relationship for different material-based hydrogen storage systems. It explores the impact of power demand on the amount of discharged hydrogen and the utilization factor. The results show that metal hydrides have higher specific power compared to liquid organic hydrogen carriers. The study provides insights into the discharge duration and energy utilization of hydrogen storage systems.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Shujahadeen B. Aziz, Rebar T. Abdulwahid, Pshko A. Mohammed, Srood O. Rashid, Ari A. Abdalrahman, Wrya O. Karim, Bandar A. Al-Asbahi, Abdullah A. A. Ahmed, M. F. Z. Kadir
Summary: This study investigates a novel biodegradable green polymer electrolyte for energy storage. Results show that the sample with added glycerol has the highest conductivity. The primary conduction species in the electrolyte are ions. Testing confirms that the sample can withstand a voltage suitable for practical applications.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Binit Kumar, Abhishek Awasthi, C. Suresh, Yongseok Jeon
Summary: This study presents a new numerical model for effective thermal conductivity that overcomes the limitations of previous models. The model can be applied to various shapes and phase change materials, using the same constants. By incorporating the natural convection effect, the model accurately calculates the thermal conductivity. The results of the study demonstrate the effectiveness of the model for different shapes and a wide range of alkanes.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Supak Pattaweepaiboon, Wisit Hirunpinyopas, Pawin Iamprasertkun, Katechanok Pimphor, Supacharee Roddecha, Dirayanti Dirayanti, Adisak Boonchun, Weekit Sirisaksoontorn
Summary: In this study, electrode powder from spent zinc-carbon/alkaline batteries was upcycled into LiMn2O4 cathode and carbon anode for rechargeable lithium-ion batteries. The results show that the upcycled LiMn2O4 exhibits improved electrochemical performance, with higher discharge capacity compared to pristine LiMn2O4. Additionally, the recovered carbon materials show superior cycling performance. This research provides great potential for upcycling waste battery electrodes to high-value cathode and anode materials for lithium-ion battery applications.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
Pan Yang, H. D. Yang, X. B. Meng, C. R. Song, T. L. He, J. Y. Cai, Y. Y. Xie, K. K. Xu
Summary: This paper introduces a novel multi-task learning data-driven model called GBLS Booster for accurately assessing the state of health (SOH) and remaining useful life (RUL) of lithium batteries. The model combines the strengths of GBLS and the CNN-Transformers algorithm-based Booster, and the Tree-structured Parzen Estimator (TPE) algorithm is used for optimization. The study devises 10 healthy indicators (HIs) derived from readily available sensor data to capture variations in battery SOH. The random forest method (RF) is employed for feature refinement and data dimension reduction, while the complete empirical mode decomposition (CEEMDAN) method and the Pearson correlation coefficient are used for noise reduction and data point elimination in RUL prediction. The proposed model demonstrates exceptional accuracy, robustness, and generalization capabilities.
JOURNAL OF ENERGY STORAGE
(2024)
Article
Energy & Fuels
M. Arrinda, M. Oyarbide, L. Lizaso, U. Osa, H. Macicior, H. J. Grande
Summary: This paper proposes a robust aging model generation methodology for lithium-ion batteries with any kind of lab-level aging data availability. The methodology involves four phases and ensures the robustness of the aging model through a verification process.
JOURNAL OF ENERGY STORAGE
(2024)