[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-664683-105":59,"doc-detail-664683-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","thermal-design-of-latent-heat-thermal-energy-storage-facility-with-supercritical-co2","THERMAL DESIGN OF LATENT HEAT THERMAL ENERGY STORAGE FACILITY WITH SUPERCRITICAL CO2","","Electric power-to-heat-to-power (P2H2P) concepts enable high-temperature, high-capacity energy accumulation, and the use of supercritical CO2 (sCO2) conversion cycles can improve efficiency and flexibility. The work develops a latent heat thermal energy storage system using an Al-Si12 aluminum-silicon PCM with a melting point near 577°C. It presents design of a 300 kWht mock-up storage tank, heating and sCO2 heat exchanger integration, and a thermal computational model for heat transfer and phase change, followed by feasibility discussion based on modeling and results.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/thermal-design-of-latent-heat-thermal-energy-storage-facility-with-supercritical-co2/664683/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/thermal-design-of-latent-heat-thermal-energy-storage-facility-with-supercritical-co2/664683.png","ImageObject",300,407,{"name":92,"@type":93},"dbqoiu","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-29",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What energy storage concept does the paper focus on?","Question",{"text":112,"@type":113},"It focuses on power-to-heat-to-power (P2H2P), where surplus electricity is converted to heat, stored in a phase-change material, and converted back to power using a thermal cycle.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Why was Al-Si12 selected as the latent heat storage material?",{"text":117,"@type":113},"Al-Si12 is chosen for compatibility with the sCO2 cycle melting range (about 576–577°C), high heat of fusion, and acceptable cost and availability.",{"name":119,"@type":110,"acceptedAnswer":120},"What are the main outcomes planned for the mock-up system?",{"text":121,"@type":113},"A 300 kWht storage tank will be fabricated and operated in the CVR sCO2 experimental loop, while thermal modeling based on a finite volume method will be used to support design, optimization, and feasibility assessment under cyclic operation.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},664683,1793267045,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":144},3985747862462,"https://ap-avatar.wpscdn.com/davatar_3d24733baf745e90a7e4bdd5f77d97b2","The 4th European sCO2 Conference for Energy Systems March 23-24, 2021, Online Conference  \n[2021-sCO2.eu-109](2021-sCO2.eu-109)  \nTHERMAL DESIGN OF LATENT HEAT THERMAL ENERGY STORAGE FACILITY  \nWITH SUPERCRITICAL CO2  \nTomáš Melichar*  \nResearch Centre Rez Husinec-Rez, Czech Republic Email: [tomas.melichar@cvrez.cz](tomas.melichar@cvrez.cz)  \nKarel Dočkal  \nResearch Centre Rez Husinec-Rez, Czech Republic  \nOtakar Frýbort  \nResearch Centre Rez Husinec-Rez, Czech Republic  \nPetr Hájek  \nResearch Centre Rez Husinec-Rez, Czech Republic  \nRadomír Filip  \nResearch Centre Rez Husinec-Rez, Czech Republic  \nABSTRACT  \nConversion of electric power to heat and from the stored heat back to power is the energy storage concept that allows high temperature and high-capacity accumulation (hundreds of MWh stored in the heat) . Combination of the high temperature heat storage with use of the sCO2 energy conversion cycle may provide highly efficient and very flexible energy storage system. An aluminum alloy was identified as a suitable accumulation material for the latent heat storage due to its high latent heat, appropriate melting point (577°C) and acceptable price. The energy storage system with Al-Si12 alloy as the heat storage material and the sCO2 conversion cycle is being developed at CVR.  \nIn this paper, design of a mock-up of the storage tank with the aluminum alloy, an electrical heating system and a sCO2 heat exchanger will be presented. The storage tank with capacity of 300 kWht will be fabricated, connected to the sCO2 experimental loop of CVR and operated at the relevant conditions to demonstrate capabilities of the energy storage concept. A thermal computational model that was developed to support design and optimization of the sCO2/metal heat exchanger will be also presented. Based on the computational model results, feasibility of this concept for the high capacity energy storage will be discussed.  \nINTRODUCTION  \nEnergy storage systems based on power-to-heat-to-power (P2H2P) concept have potential to accumulate high amount of energy (up to hundreds of MWh stored heat) for relatively longtime periods comparing to other energy storage technologies. The P2H2P concept considers transformation of surplus electric  \npower to heat, storage of heat in the heat accumulation material and subsequent reversed heat to power conversion during increased electric energy demands using a thermal conversion cycle. Heat storage at high temperature level is essential to enhance thermal efficiency of the heat to power conversion cycle. Use of latent heat storage using phase change materials (PCM) as the heat accumulation material is an option to allow high-temperature and high-capacity energy storage. Comparing to sensible heat storage systems with lower specific heat capacity. the PCM-based storage tanks can have significantly lower dimensions. This is an important advantage, especially considering large systems with very high capacity, where costs of the heat storage vessel and the accumulation material itself forms significant part of total acquisition costs. A large number of available PCMs with various properties were identified [1] . Operational parameters and design of the heat storage system are influenced especially by melting point, latent heat and density of selected PCM but also other properties such as thermal (specific heat, thermal conductivity), physical (low vapor pressure at operational temperature, low volume variation during phase change), chemical (non-corrosiveness, chemical stability, compatibility with structural materials, non-poisonous) and economic (availability in abundant supply, cost per kWh of stored energy [2] has to be considered.  \nAn energy storage system with PCM and supercritical CO2 (sCO2) cycle for heat to power conversion is being investigated at Research Centre Rez (CVR), Czech Republic. In the current stage, a scale-down mock-up of an accumulation system is being developed. The system will be composed of a","cbCaif4bvXc2bdiu","https://ap.wps.com/l/cbCaif4bvXc2bdiu","pdf",843617,11,"English","# Abstract\n# Introduction\n# System Description","[{\"question\":\"What energy storage concept does the paper focus on?\",\"answer\":\"It focuses on power-to-heat-to-power (P2H2P), where surplus electricity is converted to heat, stored in a phase-change material, and converted back to power using a thermal cycle.\"},{\"question\":\"Why was Al-Si12 selected as the latent heat storage material?\",\"answer\":\"Al-Si12 is chosen for compatibility with the sCO2 cycle melting range (about 576–577°C), high heat of fusion, and acceptable cost and availability.\"},{\"question\":\"What are the main outcomes planned for the mock-up system?\",\"answer\":\"A 300 kWht storage tank will be fabricated and operated in the CVR sCO2 experimental loop, while thermal modeling based on a finite volume method will be used to support design, optimization, and feasibility assessment under cyclic operation.\"}]","THERMAL DESIGN OF LATENT HEAT THERMAL ENERGY STORAGE FACILITY WITH SUPERCRITICAL CO2 | PDF",28]