Article
Energy & Fuels
Fulin Yuan, Cong Li, Jinyu Wu, Yongfang Liang, Haifu Huang, Shuaikai Xu, Xianqing Liang, Wenzheng Zhou, Jin Guo
Summary: The facile synthesis strategy and enhanced energy storage performance of self-supported cobalt-based sulfide/oxide nanoarrays (Co-S/Co-O) are demonstrated for hybrid supercapacitors in this work. The Co-S/Co-O nanoarrays, with intertwined Co-S sulfide and Co-O oxide, show higher specific capacity and specific energy than individual Co-S and Co-O materials. This work provides a good strategy for improving the charge storage capacity of cobalt-based materials.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Multidisciplinary
Sharad L. Jadhav, Amar L. Jadhav, Bhalchandra K. Mandlekar, Pradip B. Sarawade, Anamika Kadam
Summary: The influence of deposition current and various electrolytes on the charge storage of Co3O4 electrode material has been studied in the supercapacitor, which opens a new area in green energy storage.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2023)
Article
Nanoscience & Nanotechnology
Thondaiman Pugalenthiyar, Chellan Justin Raj, Ramu Manikandan, Dennyson Savariraj Antonysamy, Joaquim Puigdollers, Cengiz Kaya, Byung Chul Kim
Summary: This study presents a hierarchical cobalt carbonate hydroxide (CCH) nanostructure modified with tin oxide, forming unique two-dimensional interlayered heterostructures. The modified electrode exhibits high conductivity and electroactive sites, leading to enhanced energy storage performance. The hybrid supercapacitor (HSC) constructed using the modified CCH electrode shows high specific capacitance, energy, and power, with excellent capacitance retention even after a large number of cycles.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Energy & Fuels
Xiaojuan Shen, Shouyan Sun, Xinyue Wei
Summary: A unique 3D hierarchical core-shell electrode was developed with SiNWs, TMSe, and RGO nanosheets. The synthesized Si/Ni/NCSe-RG electrode showed a large capacitance and excellent rapid-charging capability. A solid asymmetric supercapacitor prepared using this electrode exhibited a high energy density at a power density.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Energy & Fuels
Ozlem Budak, Ozlem Uguz, Atif Koca
Summary: In this study, a one-step electrodeposition method was used to fabricate binder free nickel cobalt oxide and nickel cobalt oxide reduced graphene oxide composite nanosheets, which exhibited excellent electrochemical performance with high specific capacitance and superior stability. Moreover, the potential of the NCO-rGO composite nanosheets in practical applications was demonstrated by constructing an asymmetric supercapacitor.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Xiangyu Han, Jien Li, Junlin Lu, Shuang Luo, Jing Wan, Bangxing Li, Chenguo Hu, Xinlu Cheng
Summary: The three-dimensional NiCo(NA)-LDH nanosheet networks prepared by electrodeposition show excellent electrochemical performance in supercapacitors, with high areal capacitance and specific capacitance, achieving high energy density and working potential window. Additionally, the device exhibits outstanding cycle stability even after 10,000 cycles, showcasing great potential in energy storage applications.
Article
Chemistry, Analytical
Yu Jun Yang, Chenjia Jiang, Songyang Chen, Ningya Wang, Panxiang Yang, Mengxiao Liu, Yao Cheng
Summary: In this study, flower-like cobalt ferrite (CoFe2O4) nanoflake arrays with high mass-loading were directly grown on Ni foam using a facile two-step hydrothermal method. The electrochemical performances of CoFe2O4/Ni foam were investigated, and the results showed that CoFe2O4/Ni foam exhibited high areal capacity, good columbic efficiency, and excellent cycling stability as a capacitive electrode. In addition, an asymmetric supercapacitor assembled with CoFe2O4/Ni foam and activated carbon (AC) showed a high energy density, indicating the promising application prospect of CoFe2O4/Ni foam in energy storage.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Liu Wan, Tao Jiang, Yan Zhang, Jian Chen, Mingjiang Xie, Cheng Du
Summary: Sluggish kinetics and poor structural stability are two main obstacles in the exploration of transition metal selenides (TMSs) for supercapacitors. In this study, a core-shell cobalt iron selenide (CoFe2Se4) @ cobalt nickel carbonate hydroxide (CoNi-CH) heterostructure was directly fabricated on carbon cloth. The heterostructure combines the highly conductive CoFe2Se4 for rapid electron transfer and the highly electroactive CoNi-CH for multiple redox reactions. The CoFe2Se4@CoNi-CH electrode exhibits increased specific capacity and enhanced rate capability compared to pure CoFe2Se4 and CoNi-CH. Furthermore, a hybrid supercapacitor utilizing the CoFe2Se4@CoNi-CH cathode and porous carbon anode achieves a high energy density and excellent durability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Ved Prakash Joshi, Bhanuprakash Sahoo, Nitish Kumar, Prakash Kumar Pathak, Dharitri Rath, Rahul R. Salunkhe
Summary: To improve the energy density of supercapacitors, the use of an advanced pseudo-capacitive electrode in an asymmetric device configuration is feasible and effective. In this study, hierarchical honeycomb-like morphology with controlled Ni/Co molar ratios of NiCo2O4 (NCO) coatings on flexible stainless-steel substrates were synthesized. The fabricated asymmetric supercapacitor delivered high specific energy and power and exhibited excellent cycling stability.
Article
Chemistry, Physical
N. C. Maile, S. K. Shinde, D. -y. Kim, K. C. Devarayapalli, Dae Sung Lee
Summary: In this study, nickel cobalt sulfide (Ni-Co-S) nanoflakes were successfully grown on 3D conductive nickel foam using binder-free electrochemical deposition. The resulting positive electrode demonstrated remarkable electrochemical storage performance, and when combined with activated carbon negative electrode, an aqueous hybrid supercapacitor with enhanced charge-discharge potential and remarkable stability was assembled. These findings highlight the potential of Ni-Co-S@NF for hybrid supercapacitor applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
Kanisorn Klangvijit, Winadda Wongwiriyapan, Teerayut Uwanno, Michiko Obata, Masatsugu Fujishige, Kenji Takeuchi, Mayuree P. Reilly
Summary: Mn3O4 hybrid structures were successfully synthesized using electrodeposition and SILAR techniques, and their morphology depended on the manganese precursors and synthesis techniques. Different morphologies, such as sea-grape-like, bird nest-like, flower-like, and nanoparticle morphologies, were obtained. The hybrid structure of nanoparticle-decorated bird nest-like heterostructure showed the highest areal capacitance of 390 mF cm-2 with low resistance in sodium sulfate electrolyte.
Article
Chemistry, Multidisciplinary
Teja M. Patil, Raviraja T. Patil, Aravind H. Patil, Nitin B. Wadkar, Archana S. Patil, Suprimkumar D. Dhas, Vijay J. Fulari, Vibhavari P. Malekar
Summary: In this study, 3D interconnected cobalt oxide nanoflakes were successfully grown on nickel foam at ambient conditions using the electrodeposition method. The CON-15 sample exhibited the highest specific capacitance and cycling stability.
RESULTS IN CHEMISTRY
(2022)
Article
Chemistry, Physical
Krishnan Shanmugam Anuratha, Ying-Zhou Su, Min-Kung Huang, Chien-Kuo Hsieh, Yaoming Xiao, Jeng-Yu Lin
Summary: This study demonstrated the direct growth of amorphous bimetallic NiCoP thin film on Ni foam substrate using electrodeposition for efficient binder-free cathode in HSCs. The optimized Ni0.5Co0.5P electrode exhibited superior capacitive features and high specific capacity, showing promising potential as electrode material for energy storage applications. The assembled HSC device with modified activated carbon anode and Ni0.5Co0.5P cathode displayed good cycling stability and high energy density.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Analytical
Young-Hoon Lee, Jin Soo Kang, In-Rok Jo, Yung-Eun Sung, Kwang-Soon Ahn
Summary: This study reported the development of a double-layer CoSe2/NiSe2 film as a high-performance electrode material for supercapacitors. The film exhibited a distinctive web-like morphology and large surface area, providing interconnected pathways for charge transport and improved ion-diffusion kinetics. The double-layer CoSe2/NiSe2 electrode showed enhanced performance in supercapacitors compared to single-layer CoSe2 and NiSe2, with high specific capacity, outstanding rate capability, and decent cycling stability.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Chong Shen, Xudong Guan, Yuming Tang, Xuhui Zhao, Yu Zuo
Summary: The study successfully synthesized a ZCN heterostructure on nickel foam using a smart ultrasonic pulse electrodeposition method, demonstrating high specific capacitance, excellent rate capability, and cycling stability. An asymmetric supercapacitor designed based on this heterostructure showed high energy densities and exceptional cycling stability.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Materials Science, Ceramics
Surendra K. Shinde, Hemraj M. Yadav, Gajanan S. Ghodake, Ajay D. Jagadale, Monali B. Jalak, Dae-Young Kim
Summary: In this study, a simple and cost-effective chemical route was employed to obtain a highly stable and efficient NiCuCo2S4 nanocomposite for supercapacitor applications. The composite exhibited a unique nanoflower-like nanostructure, high specific capacity, and superior cycling stability, showing potential for industrial applications.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Physical
Surendra K. Shinde, Swapnil S. Karade, Nagesh C. Maile, Hemraj M. Yadav, Gajanan S. Ghodake, Ajay D. Jagadale, Dae-Young Kim
Summary: Research has shown that CuCo2O4 nanomaterials synthesized using deep eutectic solvents demonstrate excellent performance in supercapacitor applications, with higher electrical behavior. CCO annealed at 250 degrees Celsius showed the best performance, exhibiting outstanding supercapacitive properties and cycling stability.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Materials Science, Ceramics
Surendra K. Shinde, Swapnil S. Karade, Nagesh C. Maile, Hemraj M. Yadav, Gajanan S. Ghodake, Ajay D. Jagadale, Monali B. Jalak, Dae Sung Lee, Dae-Young Kim
Summary: In this research, a novel method was developed to synthesize ternary NiCo2O4 compounds using deep eutectic solvents, leading to improved pseudocapacitive performance. The NiCo2O4/NCNTs composite displayed enhanced specific capacity and electrode stability, making it suitable for use in hybrid supercapacitors with high energy and power densities. The unique three-dimensional nanostructures of NiCo2O4 offer potential for applications in flexible electronic devices.
CERAMICS INTERNATIONAL
(2021)
Article
Energy & Fuels
R. C. Rohit, Ajay D. Jagadale, Jaewon Lee, Kiyoung Lee, Surendra K. Shinde, D-Y Kim
Summary: The newly prepared Ni-rich CNFL exhibits a maximal specific capacity of 467 C g(-1) at a sweep rate of 5 mV s(-1) with a capacity retention of 81% after 2000 cycles. In terms of electrocatalytic activity, the Ni-rich CNFL shows an appreciable overpotential of 139 mV to reach the current density of 10 mA cm(-2) along with the smallest Tafel slope (46 mV dec(-1)). The Ni-rich CNFL demonstrates excellent electrocatalytic stability over 8 hours of stable operation.
Article
Chemistry, Physical
Shrikant Sadavar, Navnath S. Padalkar, Rohini B. Shinde, Akash S. Patil, Umakant M. Patil, Vikas V. Magdum, Yogesh M. Chitare, Shirin P. Kulkarni, Ravindra N. Bulakhe, Vinayak G. Parale, Jayavant L. Gunjakar
Summary: By using two-dimensional graphene oxide nanosheets as a hybridization matrix, the electrode performance of layered double hydroxides can be improved. The study showed that the hybridized nanohybrids exhibited enhanced specific capacity, high electrical conductivity, and improved charge transfer kinetics. Aqueous and solid-state hybrid supercapacitors fabricated using the optimized nanohybrids demonstrated excellent specific capacitance, energy, and power performance.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Materials Science, Ceramics
Surendra K. Shinde, Deepak P. Dubal, Hemraj M. Yadav, Ajay D. Jagadale, Nagesh Maile, Swapnil S. Karade, Dae-Sung Lee, Dae-Young Kim
Summary: A novel hybrid material based on NiCo2S4 (NCS), halloysite nanotubes (HNTs), and carbon has been developed for supercapacitor electrodes, showing excellent performance and hydrogen evolution reaction activity.
CERAMICS INTERNATIONAL
(2022)
Article
Energy & Fuels
Wasinee Pholauyphon, Ravindra N. Bulakhe, Jedsada Manyam, Insik In, Peerasak Paoprasert
Summary: This study demonstrates the use of carbon dots as versatile additives for enhancing the performance of supercapacitors. By adding carbon dots to both the TiO2 electrode and Na2SO4 electrolyte, the specific capacitance of the supercapacitor was significantly improved, leading to a total improvement of 797%. The carbon dots also improved the rate capability and retention of specific capacitance after cycles.
Article
Chemistry, Physical
Shrikant V. Sadavar, Navnath S. Padalkar, Rohini B. Shinde, Akash S. Patil, Umakant M. Patil, Vikas V. Magdum, Yogesh M. Chitare, Shirin P. Kulkarni, Shital B. Kale, Ravindra N. Bulakhe, Deu S. Bhange, Saji T. Kochuveedu, Jayavant L. Gunjakar
Summary: In this study, porous layer-by-layer self-assembled nanohybrids of Co-Cr-LDH/CCW were prepared using a lattice engineering exfoliation-reassembling route, exhibiting exceptional electrochemical activity. The AHAS and ASHAS devices fabricated using these nanohybrids demonstrated high specific capacitance and excellent cycle stability.
ENERGY STORAGE MATERIALS
(2022)
Article
Energy & Fuels
Surendra K. Shinde, Swapnil S. Karade, Nagesh C. Maile, Hemraj M. Yadav, Ajay D. Jagadale, Monali B. Jalak, Dae-Young Kim
Summary: Researchers successfully synthesized nanoparticles decorated ultrathin Ni1-xMnxCo2O4 nanoflakes with a unique nanostructure featuring high porosity and specific surface area by tuning the molar ratio between Mn and Ni. These materials show great potential in applications such as supercapacitors and overall water splitting.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Nanoscience & Nanotechnology
Seshendra Reddy Ch, Ravindra N. Bulakhe, Jeevan Kumar Reddy Modigunta, G. Murali, A. Reddy Sivasankar, Jiyeong Kim, Eunji Park, Byungin Kang, Insik In, Arup Kumer Roy, Kiruthiga Ramakrishnan, Udayabhaskar Rednam
Summary: Tin oxide and nitrogen-doped graphene quantum dots composite nanotubes were successfully fabricated using electrospinning and annealing methods, and applied as electrodes in supercapacitors. The composite exhibited excellent electrochemical performance, including high capacity retention and maximum specific capacitance, in 2M KOH electrolyte at different scan rates and current densities.
JOURNAL OF NANOMATERIALS
(2022)
Article
Chemistry, Physical
S. K. Shinde, Monali B. Jalak, Swapnil S. Karade, Sutripto Majumder, Mohaseen S. Tamboli, Nguyen Tam Nguyen Truong, Nagesh C. Maile, Dae-Young Kim, Ajay D. Jagadale, H. M. Yadav
Summary: In this study, highly porous one-dimensional nanobelt-like cobalt phosphate materials were synthesized for supercapacitor applications. The synthesized Co2P2O7 exhibited excellent physicochemical and electrochemical properties, with the nanobelt-like nanostructures providing improved ion transfer and cycling stability. The Co2P2O7 electrode deposited at 150 degrees C demonstrated the highest specific capacitance and an asymmetric hybrid Co2P2O7//AC supercapacitor device showed high energy and power density. Overall, the one-dimensional nanobelt-like Co2P2O7 material is a promising option for electrochemical energy storage.
Article
Chemistry, Physical
Ravindra N. Bulakhe, Anh Phan Nguyen, Changyoung Ryu, Ji Man Kim, Jung Bin In
Summary: This study describes a facile and inexpensive chemical method for the single-step synthesis of mesoporous layered nickel-chromium-sulfide (NCS) and its hybridization with single-layered graphene oxide (GO). The resulting hybrid material, NCSG, shows improved physicochemical and electrochemical properties, with a significantly higher specific surface area and pore diameter compared to bare NCS. The optimized NCSG exhibits three-fold superior specific capacity over NCS at a current density of 2 A/g. The fabricated hybrid supercapacitor (HSC) achieves outstanding energy and power densities, with a 4% decrease observed in cyclic stability over 5000 charge-discharge cycles.
Article
Energy & Fuels
B. Thanigai Vetrikarasan, Abhijith R. Nair, T. Karthick, Surendra K. Shinde, Dae-Young Kim, Shilpa N. Sawant, Ajay D. Jagadale
Summary: In this study, A-MnO2 nanoplates were synthesized through co-precipitation and used for flexible asymmetric supercapacitors. The structural, morphological, and electrochemical properties of A-MnO2 were investigated and its optical and electronic properties were studied. The synthesized A-MnO2 showed a specific capacitance of 288.5 F g-1. Various symmetric and asymmetric supercapacitors were fabricated and compared, and the asymmetric A-MnO2//Ti3C2TxMXene supercapacitor exhibited a maximum energy density of 15.5 Wh kg-1 and 86.3% of capacitive retention after 5000 cycles. Furthermore, a flexible A-MnO2//Ti3C2Tx asymmetric supercapacitor was fabricated with high areal energy density of 39.9μWh cm-2 at a power density of 8586μW cm-2. Overall, the co-precipitation method for preparing A-MnO2 shows promise in flexible energy storage applications.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Yelim Kwon, Yun Seok Choi, Qian Wang, Lianghao Song, Hansol Kim, Ravindra N. Bulakhe, Ji Man Kim
Summary: This study investigates the use of ordered mesoporous carbon (OMC) as a dual-functional interlayer to improve the performance of lithium-sulfur (Li-S) batteries. The OMC interlayer acts as both a polysulfide adsorbent and an additional reaction site, resulting in enhanced electrochemical performance. The findings highlight the potential of using OMC for fabricating high-performance Li-S batteries.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Shrikant Sadavar, Navnath S. Padalkar, Rohini B. Shinde, Akash S. Patil, Umakant M. Patil, Vikas V. Magdum, Yogesh M. Chitare, Shirin P. Kulkarni, Ravindra N. Bulakhe, Vinayak G. Parale, Jayavant L. Gunjakar
Summary: This study demonstrates the use of conductive graphene oxide as an efficient hybridization matrix to improve the electrode performance of LDHs, leading to enhanced specific capacity and high-rate characteristics in aqueous and all-solid-state hybrid supercapacitors.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Thermodynamics
Yong Cheng, Fukai Song, Lei Fu, Saishuai Dai, Zhiming Yuan, Atilla Incecik
Summary: This paper investigates the accessibility of wave energy absorption by a dual-pontoon floating breakwater integrated with hybrid-type wave energy converters (WECs) and proposes a hydraulic-pneumatic complementary energy extraction method. The performance of the system is validated through experiments and comparative analysis.
Article
Thermodynamics
Jing Gao, Chao Wang, Zhanwu Wang, Jin Lin, Runkai Zhang, Xin Wu, Guangyin Xu, Zhenfeng Wang
Summary: This study aims to establish a new integrated method for biomass cogeneration project site selection, with a focus on the application of the model in Henan Province. By integrating Geographic Information System and Multiple Criterion Decision Making methods, the study conducts site selection in two stages, providing a theoretical reference for the construction of biomass cogeneration projects.
Article
Thermodynamics
Mert Temiz, Ibrahim Dincer
Summary: The current study presents a hybrid small modular nuclear reactor and solar-based system for sustainable communities, integrating floating and bifacial photovoltaic arrays with a small modular reactor. The system efficiently generates power, hydrogen, ammonia, freshwater, and heat for residential, agricultural, and aquaculture facilities. Thermodynamic analysis shows high energy and exergy efficiencies, as well as large-scale ammonia production meeting the needs of metropolitan areas. The hybridization of nuclear and solar technologies offers advantages of reliability, environmental friendliness, and cost efficiency compared to renewable-alone and fossil-based systems.
Editorial Material
Thermodynamics
Wojciech Stanek, Wojciech Adamczyk
Article
Thermodynamics
Desheng Xu, Yanfeng Li, Tianmei Du, Hua Zhong, Youbo Huang, Lei Li, Xiangling Duanmu
Summary: This study investigates the optimization of hybrid mechanical-natural ventilation for smoke control in complex metro stations. The results show that atrium fires are more significantly impacted by outdoor temperature variations compared to concourse/platform fires. The gathered high-temperature smoke inside the atrium can reach up to 900 K under a 5 MW train fire energy release. The findings provide crucial engineering insights into integrating weather data and adaptable ventilation protocols for smoke prevention/mitigation.
Article
Thermodynamics
Da Guo, Heping Xie, Mingzhong Gao, Jianan Li, Zhiqiang He, Ling Chen, Cong Li, Le Zhao, Dingming Wang, Yiwei Zhang, Xin Fang, Guikang Liu, Zhongya Zhou, Lin Dai
Summary: This study proposes a new in-situ pressure-preserved coring tool and elaborates its pressure-preserving mechanism. The experimental and field test results demonstrate that this tool has a high pressure-preservation capability and can maintain a stable pressure in deep wells. This study provides a theoretical framework and design standards for the development of similar technologies.
Article
Thermodynamics
Aolin Lai, Qunwei Wang
Summary: This study assesses the impact of China's de-capacity policy on renewable energy development efficiency (REDE) using the Global-MSBM model and the difference-in-differences method. The findings indicate that the policy significantly enhances REDE, promoting technological advancements and marketization. Moreover, regions with stricter environmental regulations experience a higher impact.
Article
Thermodynamics
Mostafa Ghasemi, Hegazy Rezk
Summary: This study utilizes fuzzy modeling and optimization to enhance the performance of microbial fuel cells (MFCs). By simulating and analyzing experimental data sets, the ideal parameter values for increasing power density, COD elimination, and coulombic efficiency were determined. The results demonstrate that the fuzzy model and optimization methods can significantly improve the performance of MFCs.
Article
Thermodynamics
Zhang Ruan, Lianzhong Huang, Kai Wang, Ranqi Ma, Zhongyi Wang, Rui Zhang, Haoyang Zhao, Cong Wang
Summary: This paper proposes a grey box model for fuel consumption prediction of wing-diesel hybrid vessels based on feature construction. By using both parallel and series grey box modeling methods and six machine learning algorithms, twelve combinations of prediction models are established. A feature construction method based on the aerodynamic performance of the wing and the energy relationship of the hybrid system is introduced. The best combination is obtained by considering the root mean square error, and it shows improved accuracy compared to the white box model. The proposed grey box model can accurately predict the daily fuel consumption of wing-diesel hybrid vessels, contributing to operational optimization and the greenization and decarbonization of the shipping industry.
Article
Thermodynamics
Huayi Chang, Nico Heerink, Junbiao Zhang, Ke He
Summary: This study examines the interaction between off-farm employment decisions between couples and household clean energy consumption in rural China, and finds that two-paycheck households are more likely to consume clean energy. The off-farm employment of women is a key factor driving household clean energy consumption to a higher level, with wage-employed wives having a stronger influence on these decisions than self-employed ones.
Article
Thermodynamics
Hanguan Wen, Xiufeng Liu, Ming Yang, Bo Lei, Xu Cheng, Zhe Chen
Summary: Demand-side management is crucial to smart energy systems. This paper proposes a data-driven approach to understand the relationship between energy consumption patterns and household characteristics for better DSM services. The proposed method uses a clustering algorithm to generate optimal customer groups for DSM and a deep learning model for training. The model can predict the possibility of DSM membership for a given household. The results demonstrate the usefulness of weekly energy consumption data and household socio-demographic information for distinguishing consumer groups and the potential for targeted DSM strategies.
Article
Thermodynamics
Xinglan Hou, Xiuping Zhong, Shuaishuai Nie, Yafei Wang, Guigang Tu, Yingrui Ma, Kunyan Liu, Chen Chen
Summary: This study explores the feasibility of utilizing a multi-level horizontal branch well heat recovery system in the Qiabuqia geothermal field. The research systematically investigates the effects of various engineering parameters on production temperature, establishes mathematical models to describe their relationships, and evaluates the economic viability of the system. The findings demonstrate the significant economic feasibility of the multi-level branch well system.
Article
Thermodynamics
Longxin Zhang, Songtao Wang, Site Hu
Summary: This investigation reveals the influence of tip leakage flow on the modern transonic rotor and finds that the increase of tip clearance size leads to a decline in rotor performance. However, an optimal tip clearance size can extend the rotor's stall margin.
Article
Thermodynamics
Kristian Gjoka, Behzad Rismanchi, Robert H. Crawford
Summary: This paper proposes a framework for assessing the performance of 5GDHC systems and demonstrates it through a case study in a university campus in Melbourne, Australia. The results show that 5GDHC systems are a cost-effective and environmentally viable solution in mild climates, and their successful implementation in Australia can create new market opportunities and potential adoption in other countries with similar climatic conditions.
Article
Thermodynamics
Jianwei Li, Guotai Wang, Panpan Yang, Yongshuang Wen, Leian Zhang, Rujun Song, Chengwei Hou
Summary: This study proposes an orientation-adaptive electromagnetic energy harvester by introducing a rotatable bluff body, which allows for self-regulation to cater for changing wind flow direction. Experimental results show that the output power of the energy harvester can be greatly enhanced with increased rotatory inertia of the rotating bluff body, providing a promising solution for harnessing wind-induced vibration energy.
