Article
Engineering, Electrical & Electronic
Juan Ding, Ligang Cheng
Summary: Ti3+ self-doped nano titanium dioxide rods were added into graphene nanosheets to enhance capacitor performance, with the composite showing the best capacitance performance and cycle life at a specific addition level.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Energy & Fuels
Rajesh Kumar, Sumanta Sahoo, Ednan Joanni, Raghvendra Pandey, Wai Kian Tan, Go Kawamura, Stanislav A. Moshkalev, Atsunori Matsuda
Summary: Dry microwave (MW) strategy was utilized to synthesize uniformly sized CoO nanocrystals dispersed on nitrogen-doped reduced graphene oxide nanosheets (N-rGO NSs). The MW treatment exfoliated, reduced and combined graphite oxide with available nitrogen, forming N-rGO NSs. Simultaneously, Co ions reacted with oxygen functionalities on N-rGO NSs to form CoO (N-rGO@CoO) nanocrystals. The resulting N-rGO@CoO nanocomposites exhibited excellent surface morphology and electrochemical performance for supercapacitor (SC) applications.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Multidisciplinary
Rajendra Panmand, Yogesh Sethi, Animesh Jha, Bharat Kale
Summary: A facile microwave-assisted solvothermal process is used to synthesize narrow-size distributed α-Fe2O3, α-Fe2O3/Fe3O4, and Fe3O4 nanostructures with PVP as a surfactant. The influence of the reaction media on the formation of different iron oxide phases is investigated. The α-Fe2O3/Fe3O4 nanoheterostructure exhibits the highest capacitance among all samples due to improved charge transfer and increased active sites.
Article
Engineering, Multidisciplinary
Pooja Devi, Manish Srivastava, Nam Hoon Kim, Joong Hee Lee, Debabrata Mishra
Summary: In this study, a cobalt vanadate/reduced graphene oxide (Co3V2O8/RGO) composite nanostructure was successfully synthesized and shown to exhibit superior electrochemical properties, especially in terms of specific capacity at different current densities.
COMPOSITES PART B-ENGINEERING
(2021)
Article
Energy & Fuels
Liuyi Hu, Zhihang Lu, Fei Chen, Jun Zhang, Yang Xia, Wenkui Zhang, Yongping Gan, Xinping He, Wenlong Song, Hui Huang
Summary: A facile method for the synthesis of Si/Fe3O4/C composites by ball-milling in scCO(2) medium is proposed in this paper. The diffusion characteristics, low viscosity, and mass transfer properties of scCO(2) are utilized. Under scCO(2) infiltration, MCMB is exfoliated into graphite flakes and achieves good interfacial fusion with silicon and Prussian blue. The introduction of Fe3O4 enhances the lithium-storage capacity, cycling stability, and rate performance of Si/C anodes significantly.
Article
Chemistry, Multidisciplinary
Lazhen Shen, Jinlong Dong, Bin Wen, Xiangping Wen, Jianhui Li
Summary: A new type of hollow Fe3O4-rGO/GCE electrode was prepared for the electrochemical detection of Acetaminophen (AC) with ultra-high selectivity and accuracy. The Fe3O4-rGO nanocomposites modified electrode demonstrated a low detection limit of 0.11 mu mol/L, a wider linear range, and high recovery. This electrode has great practical significance for AC detection in drug analysis.
Article
Materials Science, Multidisciplinary
Fernando Jose Soares Barros, Klebson Lucas Pereira Cardoso, Elson Longo, Auro Atsushi Tanaka, Marco Aurelio Suller Garcia, Ivo Mateus Pinatti
Summary: In the face of current energy and environmental challenges, electrochemical storage devices, particularly supercapacitors, have emerged as a promising alternative. This study focuses on the utilization of nanospheres of gadolinium vanadate as electrode material, synthesized by microwave-assisted hydrothermal method, which exhibits interesting properties for energy storage applications. A high specific capacitance and good cycling stability were achieved, indicating the potential of gadolinium vanadate as an electrode material in electrochemical energy storage applications.
JOURNAL OF MATERIALS SCIENCE
(2023)
Article
Chemistry, Physical
Shubhangi B. Bandgar, Madagonda M. Vadiyar, Chitra L. Jambhale, Jin-Hyeok Kim, Sanjay S. Kolekar
Summary: A rapid and low-cost ice crystal-assisted precipitation method was used to synthesize self-assembled structures of nickel ferrite nanoparticles and zinc ferrite nanorods, enhancing the overall performance of supercapacitors. The porous void-rich structures of the nanoparticles and nanorods provided excellent charge storage properties, with high specific capacities and durability demonstrated in the electrodes. Additionally, a flexible asymmetric supercapacitor device fabricated from these materials showed superhigh energy density and excellent long-term stability.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Ceramics
R. Esther Nimshi, J. Judith Vijaya, L. John Kennedy, P. Stephen Selvamani, M. Bououdina, P. Joice Sophia
Summary: A ternary nanocomposite CoFe2O4@TiO2@rGO (CoTG) was prepared using environmentally benign and cost-efficient green microwave and sol-gel methods. The leaf extract of Pedalium murex plant was used as a reducing and stabilising agent during the microwave synthesis. The CoTG nanocomposite effectively degraded tetracycline and ciprofloxacin antibiotics under visible light and ultrasonic irradiation, showing a high efficiency of 92% and 84% degradation, respectively.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Multidisciplinary
Tianli Zhou, Shuihua Tang, Honglin Yu, Lieha Shen, Qiankuan Huang, Shuang Yang, Limei Yu, Lei Zhang
Summary: Transition metal selenides have become a promising electrode material for electrochemical capacitors due to their excellent capacitive performance and electrical conductivity. This study successfully synthesized a (Ni0.85Se)(3)(Co0.85Se)/reduced graphene oxide composite through a facile and efficient method. The composite exhibited a three-dimensional porous microstructure and showed outstanding specific capacitance, rate performance, and stability. In addition, when assembled into an asymmetric supercapacitor with activated carbon, the composite achieved a high energy density.
NEW JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Chengxiang Sun, Wenxia Pan, Dianyuan Zheng, Gengtao Guo, Yuhang Zheng, Jianhong Zhu, Cheng Liu
Summary: A squirrel cage structure Fe3O4@carbon nanocomposite was prepared through a facile chemical precipitation method, with carbon playing critical roles in maintaining structural stability and facilitating electron transportation. The iron oxide nanoparticles exhibited superior reversible redox characteristics, leading to increased supercapacitor performance. Assembling an aqueous asymmetric supercapacitor using CNT@Ni(OH)(2) positive electrode and Fe3O4@carbon negative electrode resulted in high energy density and power density.
Article
Materials Science, Multidisciplinary
Jincan Jia, Xiao Lian, Mingzai Wu, Fangcai Zheng, Yuanhao Gao, Helin Niu
Summary: The study utilized carbon cloth as a substrate to grow alpha-MnO2 nanowires hydrothermally and reduce the surface of MnO2 to form a hierarchical structure. The ASC assembled with alpha-MnO2/Mn3O4@CC and activated carbon showed high energy density and good cycle stability. These findings provide an experimental foundation for the development of advanced, wearable, and energy storage devices.
JOURNAL OF MATERIALS SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Xiaochen Cao, Meini Yuan, Congming Ding, Xuebin Tang
Summary: As a wide band gap semiconductor, MnS has gained significant attention for supercapacitors, but its electrochemical performance is usually unsatisfactory. A practical approach to enhance supercapacitor energy density is through the rational design of heterostructure electrode materials. In this study, a MnS-supported NiCo-LDH composite electrode was prepared and its electrochemical behavior was analyzed. The composite electrode exhibited a high capacitance and good cycling stability, indicating its potential for advanced energy storage devices.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Physical
Fenglin Zhao, Dong Xie, Xinrui Song, Hongliang Wu, Qi Zhang, Jizhao Zou, Xierong Zeng
Summary: The growth mechanism of ternary nickel cobalt sulfide (NCS) synthesized by microwave-assisted process was studied, revealing a possible oriented attachment mechanism. Controlled synthesis time led to the construction of various structures of NCS, with the optimal NCS showing high capacity and good retention.
APPLIED SURFACE SCIENCE
(2021)
Article
Energy & Fuels
Guocai Xiao, Jincheng Fan, Hongwei Liao, Shanqiang Gao, Shidong Li, Kexin Cui, Wen-Bin Luo, Chao-Qun Niu, Zi-Sheng Chao
Summary: In this study, CoSe2 nanoparticles were synthesized and used as electrodes in supercapacitors. The CoSe2 nanoparticles exhibited excellent specific capacitance and stability, and showed typical voltage extension and charge/discharge time expansion capabilities in an asymmetric solid-state supercapacitor.
Article
Chemistry, Multidisciplinary
Iftikhar Hussain, Sumanta Sahoo, Tanveer Hussain, Muhammad Ahmad, Muhammad Sufyan Javed, Charmaine Lamiel, Shuai Gu, Thanayut Kaewmaraya, Mostafa Saad Sayed, Kaili Zhang
Summary: The hybrid electrode material, derived from MOF-derived Zr-Mn-oxide and solution-free CuO nanowires, demonstrates excellent electrochemical performance and stability, making it a promising candidate for next-generation supercapacitor electrodes.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Review
Engineering, Environmental
Iftikhar Hussain, Charmaine Lamiel, Muhammad Sufyan Javed, Muhammad Ahmad, Xi Chen, Sumanta Sahoo, Xiaoxia Ma, Majed A. Bajaber, Mohd Zahid Ansari, Kaili Zhang
Summary: The advancement of structured nanomaterials is crucial for the development of supercapacitor electrode materials. By evaluating various nanostructures, current challenges in electrode materials have been significantly improved. Nanomaterials with three-dimensional structures have been extensively explored due to their larger electrochemical active surface areas. This review summarizes the material development of hierarchical structures resembling earth-like and marine life-like morphology for supercapacitor electrode materials and discusses future ideas on sustainable production and assembly methods.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Rajesh Kumar, Sumanta Sahoo, Ednan Joanni
Summary: With the rapid progress in science and technology, the demand for electromagnetic interference (EMI) shielding and microwave (MW) absorption materials has been increasing. Layered materials, such as graphene, MXenes, and transition metal dichalcogenides (TMDs), have drawn significant research attention due to their conductivity, surface area, and porosity. The integration of these materials with other magnetic and dielectric constituents further enhances their electromagnetic absorption ability. This review article focuses on the recent progress, mechanisms, and future perspectives of layered materials in EMI shielding and MW absorption applications.
Article
Chemistry, Multidisciplinary
Le Nhu Minh Tue, Sumanta Sahoo, Ganesh Dhakal, Van Hoa Nguyen, Jintae Lee, Yong Rok Lee, Jae-Jin Shim
Summary: Metal sulfides (MS) and mixed metal sulfides (MTMS), such as NiCo2S4 and 2D MS MoS2, were synthesized through a solvothermal process and used as electrodes for supercapacitors. The resulting electrode showed excellent coulombic efficiency, high specific capacitance, superior energy density, and ultra-high cycling stability. The hybrid supercapacitor device also exhibited impressive coulombic efficiency and good cycling stability, as well as decent energy density over a large number of cycles.
Review
Biochemistry & Molecular Biology
M. Abd Elkodous, Samuel Oluwaseun Olojede, Sumanta Sahoo, Rajesh Kumar
Summary: Nowadays, carbon-based materials have gained great interest in biomedical science and biotechnology for effective diagnosis and treatment of diseases. Surface modification/functionalization of carbon nanotubes (CNTs)/graphene-based materials allows them to be used in various bio-medical applications, such as cancer therapy, antibacterial action, drug delivery, and bioimaging. Graphene-based biosensing technology is widely employed for detecting organic, inorganic, and biomolecules. This article provides an overview of the current research progress on CNTs/graphene-based materials as a new generation of materials for disease detection and treatment.
CHEMICO-BIOLOGICAL INTERACTIONS
(2023)
Article
Engineering, Multidisciplinary
Rajesh Kumar, Sumanta Sahoo, Ednan Joanni, Jae-Jin Shim
Summary: MXenes are a type of emerging 2D materials that have attracted increasing interest in the scientific research community. They have unique properties that make them suitable for various applications. Different transition metal-based MXenes have been investigated through selective etching of the A layer from the pristine MAX phase. MXene-basedcomposite materials show great potential in electromagnetic interference shielding and microwave absorption due to their conductivity, high specific surface area, highly active surface sites, and multi-layered structure.
COMPOSITES PART B-ENGINEERING
(2023)
Article
Electrochemistry
Sally M. Youssry, M. Abd Elkodous, Rajesh Kumar, Go Kawamura, Wai Kian Tan, Atsunori Matsuda
Summary: In this study, a thermally reduced graphene oxide/nickel nanocomposite was synthesized and coated on nickel foam as electrode material for supercapacitors. The nanocomposite exhibited specific capacity of 154.3 C g-1 and 90.2% capacitance retention after 2,000 cycles in 1 M KOH. The superior electrochemical performance of the TrGO/Ni nanocomposite was attributed to its homogenous structure, quick ion transport, and low resistance.
ELECTROCHIMICA ACTA
(2023)
Article
Agricultural Engineering
Chandan Kumar Maity, Shrabani De, Kartikey Verma, Md Moniruzzaman, Sumanta Sahoo
Summary: Energy storage devices are of great importance in modern science and technology due to global population growth and environmental pollution. Developing renewable energy storage devices using sustainable materials is a critical challenge. Nanocellulose and its derivatives have been widely explored in secondary batteries and supercapacitors. This review article discusses the current developments, characteristics, synthetic approaches, application forecasts, advantages, and future prospects of nanocellulose for energy storage technologies.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Chemistry, Multidisciplinary
Manjiri A. Mahadadalkar, Ganesh Dhakal, Sumanta Sahoo, Deivasigamani Ranjith Kumar, Marjorie Lara Baynosa, Van Quang Nguyen, Mostafa Saad Sayed, Abdelrahman M. Rabie, Woo Kyoung Kim, Jae-Jin Shim
Summary: In this study, a TiO2/In2S3 heterojunction composite photocatalyst was successfully prepared through a simple low-temperature hydrothermal method. The composite showed excellent photocatalytic degradation performance for Rhodamine B under solar light irradiation, with a degradation rate of 99.9% in just 20 minutes. The environmentally friendly synthesis process and high stability make the TiO2/In2S3 composite a promising candidate for cost-effective wastewater treatment.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2023)
Article
Chemistry, Physical
Tensangmu Lama Tamang, Sumanta Sahoo, Jae-Jin Shim
Summary: To design high-performance hybrid supercapacitors, this study proposes the use of hollow ternary mixed metal sulfides as the positive electrode and iron oxide-decorated nitrogen-doped reduced graphene oxide as the negative electrode. The positive electrode exhibits high specific capacity and excellent rate capability, while the negative electrode shows maximum specific capacity. The hybrid device composed of these electrodes demonstrates impressive energy density, providing a facile strategy for optimizing and integrating electrode materials for efficient energy storage in hybrid supercapacitors.
JOURNAL OF POWER SOURCES
(2023)
Review
Thermodynamics
Iftikhar Hussain, Charmaine Lamiel, Muhammad Sufyan Javed, Muhammad Ahmad, Sumanta Sahoo, Xi Chen, Ning Qin, Sarmad Iqbal, Shuai Gu, Yuxiang Li, Christodoulos Chatzichristodoulou, Kaili Zhang
Summary: MXene, a two-dimensional transition metal carbide, nitrides, and/or carbonitrides, shows great potential in various research fields due to its excellent conductivity, hydrophilicity, and abundant surface functional groups. However, challenges in aggregation and low stability greatly limit its applicability. MXenes can be synthesized through techniques such as exfoliation of MAX phases assisted by HF and nonHF materials, and bottom-up approaches utilizing vapor deposition and templating methods. MXene-based heterostructure composites have been investigated as potential nanomaterials for energy storage, and this article provides an overview of MXene synthesis and current developments in MXene-based heterostructure composites for electrochemical energy storage devices. Challenges and difficulties in the future design of MXene-based heterostructure composites are also discussed.
PROGRESS IN ENERGY AND COMBUSTION SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Rajesh Kumar, Sumanta Sahoo, Ednan Joanni, Raghvendra Pandey, Jae-Jin Shim
Summary: Vacancies play a crucial role in determining the behavior of materials and researchers have introduced vacancies into 2D materials to achieve high-performance electrodes for energy storage. This article focuses on recent advances in vacancy engineering of 2D materials for supercapacitors and secondary batteries. Vacancy defects enhance charge-transfer processes and serve as additional host sites for ion diffusion. The article also summarizes the development of defect creation approaches and detection techniques for vacancies in these materials.
CHEMICAL COMMUNICATIONS
(2023)
Article
Engineering, Chemical
Saloni Sharma, Rajesh Kumar, Ram Manohar Yadav
Summary: In this work, a PVDF-HFP/mpg-C3N4 composite fiber web was prepared and characterized for its photocatalytic degradation of MB and sensing applications. The composite web showed excellent photocatalytic activity for MB degradation and worked as a sensor for MB detection. This versatile material has the potential for environmental sensing and cleanup.
POLYMER ENGINEERING AND SCIENCE
(2023)
Review
Energy & Fuels
Sumanta Sahoo, Rajesh Kumar, Ganesh Dhakal, Jae-Jin Shim
Summary: In recent years, MOF-derived MOs have been widely used in energy-related applications due to their increased surface area and improved cycling stability. This review article discusses the electrochemical energy storage application of MOF-derived monometallic, bimetallic, and trimetallic MOs, with a focus on synthesis methods and their use as electrodes.
JOURNAL OF ENERGY STORAGE
(2023)
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)