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Performance Analysis of a Renewable-Powered Multi-Gas Floating Storage and Regasification Facility for Ammonia Vessels With Reconversion to Hydrogen 用于氨船的可再生能源多气体浮式储存和再气化设施的性能分析与氢气再转换
Energy Storage Pub Date : 2024-09-12 DOI: 10.1002/est2.70033
Dindha Andriani, Muhammad Usman Sajid, Yusuf Bicer
{"title":"Performance Analysis of a Renewable-Powered Multi-Gas Floating Storage and Regasification Facility for Ammonia Vessels With Reconversion to Hydrogen","authors":"Dindha Andriani,&nbsp;Muhammad Usman Sajid,&nbsp;Yusuf Bicer","doi":"10.1002/est2.70033","DOIUrl":"https://doi.org/10.1002/est2.70033","url":null,"abstract":"<p>Natural gas and renewable energy carriers play critical roles in the energy supply chain due to rising energy consumption demands and a significant shift toward cleaner energy. However, the requirement to liquefy and regasify liquefied natural gas (LNG) and renewable energy carriers for transportation makes the entire process expensive and challenging. Hence, a floating storage and regasification unit (FSRU) plant provides a solution to the aforementioned problems with the additional benefit of being more affordable, time-efficient, and having less land footprint requirement than the conventional onshore facility. The proposed integrated FSRU in this study, is powered by renewable energy, including solar and ocean thermal energy. The subsystems of integrated FSRU consist of parabolic dish collectors (PDC), Rankine cycle, organic Rankine cycle (ORC), multi-stage flashing (MSF) desalination unit, decomposition, reliquefication, and regasification plants, which provide valuable commodities such as freshwater, electricity, hydrogen, and heating. It can also cater to standard multi-gas harboring vessels for storage and regasification of sustainable energy carriers. The study assesses the performance of the proposed system thermodynamically by analyzing mass, energy, entropy, and exergy balance equations using the engineering equation solver (EES) software. Furthermore, parametric studies were conducted to understand the interlinkage among various variables. The analytical results show that the proposed system is able to produce 1.82 MW of electricity, 2056 kg/day of fresh water, and 338.3 kg/day of hydrogen, achieving an overall system energy efficiency of 32.7% and exergy efficiency of 79.3%. This approach aims to foster energy diversification, enhance energy security, and support the transition toward sustainable energy systems, as well as further the advancement of maritime transport systems.</p>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/est2.70033","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142231053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Innovative Energy Storage System Based on Phase Change Material and Solar Energy Integrated With an Air Handling Unit to Produce Heating and Cooling 基于相变材料和太阳能的创新型储能系统,与空气处理装置集成以产生暖气和冷气
Energy Storage Pub Date : 2024-09-12 DOI: 10.1002/est2.70031
Seyyed Amirreza Abdollahi, Saman Faramarzi, Seyyed Faramarz Ranjbar, Kazem Hashemi, Hamid Majidi, Ehsan Gholamian
{"title":"An Innovative Energy Storage System Based on Phase Change Material and Solar Energy Integrated With an Air Handling Unit to Produce Heating and Cooling","authors":"Seyyed Amirreza Abdollahi,&nbsp;Saman Faramarzi,&nbsp;Seyyed Faramarz Ranjbar,&nbsp;Kazem Hashemi,&nbsp;Hamid Majidi,&nbsp;Ehsan Gholamian","doi":"10.1002/est2.70031","DOIUrl":"https://doi.org/10.1002/est2.70031","url":null,"abstract":"<div>\u0000 \u0000 <p>This study investigates the potential of using phase change material (PCM) in a building using an air handling unit (AHU) assisted by solar energy. To further enhance the system, an energy storage system (ESS) can be considered. Implementing ESS would allow the captured solar energy to be stored efficiently, ensuring a continuous and reliable power source for cooling or heating the air, even during non-sunlight hours. The air-conditioned zone is considered to be 220 m<sup>2</sup> in which 30 people work for 12 h a day. An energy analysis is conducted to evaluate the performance of the proposed system in terms of energy and exergy loss. The genetic algorithm (GA) method is used to optimize the system. The results indicate that the system, including PCM and solar system, can reduce energy consumption by up to 8.9% compared to conventional AHUs in the hottest month of the year (July). The results indicated that employing PCM leads to a decrease of 124 kWh in heat loss during January and 229 kWh in heat gain during July. Taking into account the beneficial impacts of both PCM and the solar system, the yearly assessment demonstrates a 2.69% reduction in power demand, equating to an energy saving of 679 kWh. Furthermore, PCM in the proposed system can be used in integration with AHUs based on renewable energy systems to store renewable energy for buildings.</p>\u0000 </div>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Solid-State Battery Applicational Technology: Material Characteristics and Charge–Discharge Mechanisms of Iron Chloride Electrodes 固态电池应用技术:氯化铁电极的材料特性和充放电机制
Energy Storage Pub Date : 2024-09-12 DOI: 10.1002/est2.70044
Zhi-Yue Chen, Fei-Yi Hung, Kai-Chieh Chang
{"title":"The Solid-State Battery Applicational Technology: Material Characteristics and Charge–Discharge Mechanisms of Iron Chloride Electrodes","authors":"Zhi-Yue Chen,&nbsp;Fei-Yi Hung,&nbsp;Kai-Chieh Chang","doi":"10.1002/est2.70044","DOIUrl":"https://doi.org/10.1002/est2.70044","url":null,"abstract":"<div>\u0000 \u0000 <p>This study delves into the unique characteristics of an iron chloride cathode with a solid-state electrolyte (SSE) and the construction of a button cell battery (BT cell) for its evaluation. The iron ions in this system can provide either divalent or trivalent ions, which possess a higher electrical capacity (~200 mAh/g) and competitive advantages. The solid-state electrolyte materials, iron compounds (chloride, oxide), exhibit high activation in electrochemistry. After the cycle test, the ferric chloride electrolyte transforms into another iron hydroxide compound due to its high activation. The study examines iron, ferric oxide (Fe<sub>2</sub>O<sub>3</sub>), and ferrous chloride (FeCl<sub>2</sub>) as cathode materials and evaluates their impact on the battery. Cyclic voltammetry compares the potential and current values of the redox reactions among the three. Finally, transmission electron microscopy (TEM) explores the ferric chloride layer and iron hydroxide in ferrous chloride. The study focuses on the high electrochemical activity of the iron chloride layer and explores the crystal structure and composition for electrochemical analysis. The findings of this study are crucial for understanding the potential of iron-ion batteries and the role of iron compounds in improving battery performance.</p>\u0000 </div>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142231054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrogen Storage Studies of Nanocomposites Derived From O-Ethyl-S-((5-Methoxy-1H-Benzo[d]Imidazol-2-Yl)Carbonothioate (OESMBIC) With ZnO and TiO2 Nanoparticles 由 O-乙基-S-((5-甲氧基-1H-苯并[d]咪唑-2-基)硫代碳酸酯 (OESMBIC) 与 ZnO 和 TiO2 纳米粒子衍生的纳米复合材料的储氢研究
Energy Storage Pub Date : 2024-09-11 DOI: 10.1002/est2.70039
Nuaman F. Alheety, Noureddine Raouafi, Abdulsalam A. Al-Isawi, Mustafa A. Alheety, Rafaâ Besbes
{"title":"Hydrogen Storage Studies of Nanocomposites Derived From O-Ethyl-S-((5-Methoxy-1H-Benzo[d]Imidazol-2-Yl)Carbonothioate (OESMBIC) With ZnO and TiO2 Nanoparticles","authors":"Nuaman F. Alheety,&nbsp;Noureddine Raouafi,&nbsp;Abdulsalam A. Al-Isawi,&nbsp;Mustafa A. Alheety,&nbsp;Rafaâ Besbes","doi":"10.1002/est2.70039","DOIUrl":"https://doi.org/10.1002/est2.70039","url":null,"abstract":"<div>\u0000 \u0000 <p>5-Methoxy-2-mercaptobenzamidazole was used to synthesize O-ethyl-S-(5-methoxy-1H-benzo[d]imidazol-2-yl) carbonothioate (OESMBIC) by the reaction with chloroacetic acid ethyl ester in a KOH solution. The reaction product (OESMBIC) was characterized using Fourier transform infrared (FTIR), melting point, and <sup>1</sup>H-NMR. The characteristic results prove the formation of the target compound with high purity. Furthermore, the work includes the synthesis of ZnO and TiO<sub>2</sub> nanoparticles via chemical methods in the high alkalinity solution. These nanoparticles were used to synthesize two novel nanocomposites named OESMBIC-ZnO and OESMBIC-TiO<sub>2</sub>. The synthesized nanocomposites were characterized by FTIR, SEM, EDX, TEM, and XRD. The results prove that the prepared titanium oxide as nanotubes with diameters ranging between 20 and 35 nm decorated with OESMBIC. The results prove that ZnO in OESMBIC-ZnO was found as nanorods with different lengths and diameters of 40–65 nm decorated with OESMBIC molecules. The as-prepared compounds; OESMBIC, OESMBIC-ZnO, and OESMBIC-TiO<sub>2</sub> were used for the hydrogen storage application using the VTI method. The results prove that the addition of ZnO and TiO<sub>2</sub> nanoparticles enhanced the storage ability of OESMBIC as the OESMBIC gave only 0.50 wt% at an equilibrium pressure of 40 bar, while it reached 2.40 and 4.37 wt% at equilibrium pressures of 60 and 75 bar for OESMBIC-ZnO and OESMBIC-TiO<sub>2</sub>, respectively.</p>\u0000 </div>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance Enhancement of Solar Still Couples With Solar Water Heater by Using Different PCM's and Nanoparticle Combinations 使用不同的 PCM 和纳米粒子组合提高太阳能热水器与太阳能蒸发器耦合的性能
Energy Storage Pub Date : 2024-09-11 DOI: 10.1002/est2.70023
Santosh Kumar Gupta, Devesh Kumar
{"title":"Performance Enhancement of Solar Still Couples With Solar Water Heater by Using Different PCM's and Nanoparticle Combinations","authors":"Santosh Kumar Gupta,&nbsp;Devesh Kumar","doi":"10.1002/est2.70023","DOIUrl":"https://doi.org/10.1002/est2.70023","url":null,"abstract":"<div>\u0000 \u0000 <p>The majority of the water on Earth roughly 97% is contaminated or salty, only 3% is fresh water, and only 1% of pure water is easily available for human use. In rural areas and remote locations suffering from pure drinking water scarcity.Water purification techniques are generally dependent on electricity, which relies on coal and gas plants, these poses a risk to the environment and society. Solar desalination is being recognized as the most practical way to deal with the scarcity of pure drinking water in all aspects of sustainable development. This paper describes the creation of a single slope solar still (SSSS) using opaque and crystal-clear toughened glass with a thickness of 6 mm as a cover and also another setup of a single slope phase change material (PCM)-based solar still (MSSSS). In this paper, a flat plate solar collector coupled with water heater is used to enhance the productivity of still. In this study, an experimental model has been developed to experimentally analyze exercise productivity performance of SSSS and MSSSS of MMIT Kushinagar, India on April 10, 2023 to April 15, 2023. Combination of stearic acid, lauric acid, and paraffin wax combined with CuO (nanoadditive) is used to enhance the solar still productivity. Also, basin temperature for different PCM's such as paraffin wax, lauric acid, and stearic acid are compared. Different combinations of PCM's and nanoadditives are compared to find the better productivity. It is observed that maximum output is obtained at 3:00 p.m. afternoon on experimental setup. Paraffin wax, stearic acid, and lauric acid still increases productivity by 38.8%, 20.3%, and 30.5%, respectively, when compared to simple solar still. On experimentation of various combinations, it is found that the use of PCM paraffin wax and nanoadditives CuO gives 55% better productivity compared to other combinations. This innovative system is suitable and ideal for desalinating water in isolated and rural locations with low traffic and limited demand.</p>\u0000 </div>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimal Scheduling of Renewable Sources Based Micro Grid With PV and Battery Storage Using Crayfish Optimization Algorithm 使用 Crayfish 优化算法优化基于光伏和电池储能的可再生能源微电网调度
Energy Storage Pub Date : 2024-09-10 DOI: 10.1002/est2.70027
Subrat Bhol, Nakul Charan Sahu
{"title":"Optimal Scheduling of Renewable Sources Based Micro Grid With PV and Battery Storage Using Crayfish Optimization Algorithm","authors":"Subrat Bhol,&nbsp;Nakul Charan Sahu","doi":"10.1002/est2.70027","DOIUrl":"https://doi.org/10.1002/est2.70027","url":null,"abstract":"<div>\u0000 \u0000 <p>Environmental concerns and energy security are pressing issues of the 21st century, with a heavy reliance on fossil fuels causing significant environmental pollution and resource depletion. To mitigate these problems, it is crucial to explore and implement alternative clean energy sources. This manuscript proposes a novel crayfish optimization algorithm (COA) for optimal scheduling in a hybrid power system that incorporates various renewable energy sources, like battery energy storage systems (BESS), fuel cells (FC), wind turbines (WT), micro turbines (MT) and photovoltaic (PV) panels. The importance of the work lies in its ability to optimize the entire operating costs of a grid-connected microgrid while improving the accuracy and efficiency of energy management. The COA method addresses economic dispatch problems and manages energy within the grid-connected microgrid, accounting for high levels of uncertainty. The proposed approach, tested using MATLAB Simulink, achieved a cost value of 252, outperforming existing methods such as GTO, PSO, SSA, and ALO. This illustrates the potential of the proposed technique to provide more cost-effective and efficient energy management solutions in hybrid power systems.</p>\u0000 </div>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142165684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impacts of Adding Porous Media and Phase Change Material on Performance of Solar Water Distiller System Under Iraq Climatic Condition: An Experimental Study 伊拉克气候条件下添加多孔介质和相变材料对太阳能蒸馏水系统性能的影响:实验研究
Energy Storage Pub Date : 2024-09-08 DOI: 10.1002/est2.70038
Mohammed A. Basim, Omar Rafae Alomar
{"title":"Impacts of Adding Porous Media and Phase Change Material on Performance of Solar Water Distiller System Under Iraq Climatic Condition: An Experimental Study","authors":"Mohammed A. Basim,&nbsp;Omar Rafae Alomar","doi":"10.1002/est2.70038","DOIUrl":"https://doi.org/10.1002/est2.70038","url":null,"abstract":"<div>\u0000 \u0000 <p>This current investigation involves an experimental inspection of adding porous medium and phase change material (PCM) above the absorber surface to enhance the performance of a single slope and single basin solar water distiller system. To demonstrate the effectiveness of adding porous medium and PCM, the performance of the modified system and conventional system is compared under similar operating conditions. The system that uses porous medium and PCM is called MSS-FPP, whereas the conventional system is called MSS-F. Rectangular fins are fixed above the absorber plate for both models. For MSS-FPP model, three different types of porous medium (stones, nuts, and black glass balls) are used in addition to paraffin wax filled inside circular tubes as a PCM. The data are collected in November and December 2023 in Mosul City, Iraq. The experiments are carried out under different water depths. The findings confirm that the performance of MSS-FPP model is better than MSS-F model by 41.32% (for water depth 3 cm) and 30.61% (for water depth 5 cm). The results also indicated that the water productivity of MSS-FPP model is higher than MSS-F model by 41.67% (for water depth 3 cm) and 30.65% (for water depth 5 cm). For MSS-FPP model, the maximum water productivity and efficiency are obtained when using black glass balls as compared to nuts and stones types, where the highest water temperature and water productivity values are found equal 54°C and 1.01 kg/m<sup><b>2</b></sup> for water depth 3 cm. The enhancement in the performance of modified solar water distiller system (MSS-FPP) shows that using a porous medium and PCM has considerable impacts on the evaporation rate, heat exchange, and rate of heat transfer.</p>\u0000 </div>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142158544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low-Temperature Annealed Fe-Doped ZnO on Bamboo-Derived Porous Carbon: High-Performance Ternary Nanocomposite for Asymmetric Supercapacitors With Superior Capacitance and Stability 竹制多孔碳上的低温退火铁掺杂氧化锌:用于不对称超级电容器的高性能三元纳米复合材料,具有卓越的电容和稳定性
Energy Storage Pub Date : 2024-09-06 DOI: 10.1002/est2.70037
Sivagaami Sundari Gunasekaran, Sujin P. Jose, Kumar Vediappan, Changwoo Lee, Raghu Subashchandrabose
{"title":"Low-Temperature Annealed Fe-Doped ZnO on Bamboo-Derived Porous Carbon: High-Performance Ternary Nanocomposite for Asymmetric Supercapacitors With Superior Capacitance and Stability","authors":"Sivagaami Sundari Gunasekaran,&nbsp;Sujin P. Jose,&nbsp;Kumar Vediappan,&nbsp;Changwoo Lee,&nbsp;Raghu Subashchandrabose","doi":"10.1002/est2.70037","DOIUrl":"https://doi.org/10.1002/est2.70037","url":null,"abstract":"<div>\u0000 \u0000 <p>In this study, we present a strategy of synergistic lowest-temperature annealing, and solvent-casting to synthesize Fe-doped ZnO anchored porous activated carbon-based ternary nanocomposite for asymmetric supercapacitor applications with an extended potential window of 1.2 V. The prepared nanocomposite shows a “stacked-table” like morphology with pores in the surface and walls of the carbon matrix. The incorporation of Fe-doped ZnO onto the carbon skeleton improves the conductivity by controlling morphology and specific capacitances through fast electron transfer property. The prepared nanocomposite delivers a specific capacitance of ~930 Fg<sup>−1</sup> at 1 Ag<sup>−1</sup>. The fabricated ASC device delivers the specific capacitance of ~480 Fg<sup>−1</sup>, energy and power density of ~266.6 Whkg<sup>−1</sup> and ~1998.5 Wkg<sup>−1</sup> at a current of 1 and 10 Ag<sup>−1</sup> respectively, respectively maintaining its remarkable capacitance of about 98.5% across 10 000 cycles. This superior performance can be attributed to the significant contact between the positive/negative electrode and the electrolyte which reduces the pathway of the diffused ions and enhances the conductivity of the porous carbon material aiding the electrons to travel towards the current collector. The low-temperature annealing and solvent casting strategy pave the way for the use of facile synthesis of Fe-doped ZnO as an efficient material for high-power supercapacitor applications.</p>\u0000 </div>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142152284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation on Cooling Performance of Composite PCM and Graphite Fin for Battery Thermal Management System of Electric Vehicles 电动汽车电池热管理系统中 PCM 和石墨翅片复合材料冷却性能的研究
Energy Storage Pub Date : 2024-09-05 DOI: 10.1002/est2.70024
Nikhil S. Mane, Pradyumna Kodancha, Vadiraj Hemadri, Siddhartha Tripathi
{"title":"Investigation on Cooling Performance of Composite PCM and Graphite Fin for Battery Thermal Management System of Electric Vehicles","authors":"Nikhil S. Mane,&nbsp;Pradyumna Kodancha,&nbsp;Vadiraj Hemadri,&nbsp;Siddhartha Tripathi","doi":"10.1002/est2.70024","DOIUrl":"https://doi.org/10.1002/est2.70024","url":null,"abstract":"<p>Modern electric vehicle (EV) batteries need phase change materials (PCM) that are capable of efficient battery cooling. In this work, a composite PCM is prepared by mixing Fe<sub>3</sub>O<sub>4</sub> nanoparticles (1 wt.%) in paraffin, and the effects of these nanoparticles on the enthalpy and melting point of PCM are studied. It is found that the Fe<sub>3</sub>O<sub>4</sub> nanoparticle additives reduce the onset of melting from 61.46°C to 57.03°C. The composite PCM is used for the cooling of a battery module of 6 substitute-18 650 batteries, and the cooling performance is experimentally and numerically investigated. The hybrid battery thermal management system (BTMS) utilizing composite paraffin demonstrates a significant reduction of 11.2°C in lithium-ion battery (LIB) temperature compared with natural convection cooling at a heat generation rate of 2W. The numerical results in this study are in good agreement with the experimental temperature values, with a modest mean absolute error of 1.35°C detected between experimentally obtained and simulated battery temperature values. In order to deal with the low thermal conductivity of liquid PCM after PCM melting, a numerical investigation is conducted to study the effect of a graphite fin on the battery temperature. The use of a fin in hybrid BTMS considerably reduces the temperature of LIBs and temperature difference in the module. The numerical simulations capture the behavior of the phase change phenomenon, showing the evolution of liquid PCM under constant heating. This work presents the dynamic melting patterns of PCM along the length of LIB with and without a fin, which is useful for the effective design of BTMS.</p>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/est2.70024","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142152229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of Thermal Performance in Lauric Acid-Based Phase Change Materials Using a Priority Clustering Approach 利用优先聚类法优化月桂酸基相变材料的热性能
Energy Storage Pub Date : 2024-09-04 DOI: 10.1002/est2.70026
Osama Khan, Mohd Parvez, Pratibha Kumari, Zeinebou Yahya, Aiyeshah Alhodaib, Ashok Kumar Yadav, Anoop Kumar Shukla
{"title":"Optimization of Thermal Performance in Lauric Acid-Based Phase Change Materials Using a Priority Clustering Approach","authors":"Osama Khan,&nbsp;Mohd Parvez,&nbsp;Pratibha Kumari,&nbsp;Zeinebou Yahya,&nbsp;Aiyeshah Alhodaib,&nbsp;Ashok Kumar Yadav,&nbsp;Anoop Kumar Shukla","doi":"10.1002/est2.70026","DOIUrl":"https://doi.org/10.1002/est2.70026","url":null,"abstract":"<div>\u0000 \u0000 <p>This study investigates the thermal properties of lauric acid (LA) as a phase change material (PCM) using the <i>K</i>-Means clustering method to analyze the melting characteristics. This study focuses on the optimization of PCMs using a hybrid methodology of analytic hierarchy process (AHP) and <i>K</i>-Means clustering. LA, enhanced with zinc oxide (ZnO) nanoparticles, was evaluated for its thermal performance. LA's suitability as a PCM is evaluated based on initial temperature, heating rate, final temperature, and time to melt. AHP was employed to determine the weightage for three critical outcomes: latent heat, melting point, and thermal conductivity. The weightages assigned were 59%, 31%, and 11%, respectively, reflecting the relative importance of each outcome in assessing the efficiency of LA as a PCM. Furthermore, <i>K</i>-Means clustering was then applied to categorize the data based on these weighted outcomes. AHP was utilized to determine the weightage of input parameters, assigning 27% to initial temperature, 15% to heating rate, and 22% to final temperature, underscoring their significance in the analysis. The optimal input conditions identified were an initial temperature of 24.8°C, a ieating rate of 5.6°C/min, a final temperature of 81.4°C, and a time to melt of 10.6 min. These conditions resulted in optimal outcomes of 208 J/g for latent heat, a melting point of 80.9°C, and a thermal conductivity of 0.21 W/m·K. This hybrid approach provides a robust framework for optimizing PCM performance, facilitating enhanced thermal energy storage and release in practical applications.</p>\u0000 </div>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142137685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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