physical energy storage cement
Случайные ссылки
Paraffin/diatomite/multi-wall carbon nanotubes ...
In this study, a paraffin/diatomite/MWCNTs (multi-wall carbon nanotubes) composite PCM (phase change material) was tailor-made for further applications in producing thermal energy storage cement-based composites. For the purpose of selecting an optimum diatomite as the supporting matrix for the new composite PCM, the …
Thermal energy storage cement mortar with direct incorporation …
Direct incorporation of phase change materials (PCMs) in the mortar matrix increases the effective thermal mass of a structure without increasing the size or …
Journal of Energy Storage
Up to the authors'' knowledge, this is a novel approach for the development of active PCM-cement based thermal energy storage systems. Furthermore, in the present study, the use of paraffinic PCMs was compared with that of biobased PCMs in order to provide a more sustainable solution to the design of cement-based elements for …
Preparation, microstructure, performance and mortar application …
PTA, replacing sand as aggregates, was mixed with cement and water to prepare thermal energy storage mortar. The mix proportions were designed according to the Chinese standard JGJ/T 98–2010 [31], as shown in Table 3.The volume ratios of replacement sand were 0%, 25%, 50%, 75% and 100%, and the water-to-cement ratio …
Thermal energy storage cement mortar containing encapsulated …
Solar passive house equipped with thermal energy storage cement mortar (TESCM) containing encapsulated phase change material (PCM) has showed great …
Assessment of PCM/SiC-based composite aggregate in concrete: Energy storage …
This study used ordinary Portland cement (OPC) conforming to ASTM C150 [18].Table 2 presents the physical and chemical properties of OPC. Paraffin wax, slag aggregates, and silicon carbide were used to develop energy-saving aggregates. The paraffin wax used ...
Thermal conductivity and mechanical properties of a shape-stabilized paraffin/recycled cement paste phase change energy storage …
In this study, paraffin/recycled cement paste phase change energy storage composites were fabricated by mixing paraffin and recycled cement paste at 4 ratios of 0.4:0.6, 0.45:0.55, 0.5:0.5, and 0.55:0.45 by a mixed mill-heating method. The microstructure was ...
Physical and Mechanical Properties of Cement Mortars with
The thermal energy storage systems, based in PCM such as an energy storage technology, have a high potential for increasing the energy efficiency of buildings. ... Physical and Mechanical Properties of Cement Mortars with Direct Incorporation of Phase Change Material. In: Taha, M. (eds) International Congress on Polymers in …
Experimental Research on Thermomechanical Properties of Thermal Energy …
In the current work, the thermal energy storage cement mortars were prepared by physical mixing between cement mortar and form-stable hydrated salt based on disodium hydrogen phosphate dodecahydrate/carbon nanofiber-expanded graphite (DSP/CNF-EG). The DSP/CNF-EG was incorporated into cement mortar through replacing standard …
Thermal energy storage cement mortar containing n …
Semantic Scholar extracted view of "Thermal energy storage cement mortar containing n-octadecane/expanded graphite composite phase change material" by Zhengguo Zhang et al. ... the thermal energy storage cement mortars were prepared by physical mixing between cement mortar and form-stable hydrated salt based on …
Energy storage and hydrophobicity characteristics of cement …
Energy storage technology can solve energy problems and improve energy utilization efficiency [4], and it has a broad development prospect in plateau areas. Plateau environment is very harsh, its main characteristics are low air pressure, low humidity, and high temperature differences [ 5, 6 ].
CCUS: challenges and opportunities for the cement industry
Technology selection is a common complexity for many cement producers. "Carbon capture technologies – from amine scrubbing to membrane-assisted CO 2 separation – have widely differing costs, risks, energy demands and effects on manufacturing. "For example, some involve putting a standalone capture unit at the tail …
Thermo-mechanical stability of supplementary cementitious materials in cement paste to be incorporated in concrete as thermal energy storage ...
Since cement paste is the matrix component of concrete, research progress on such a material is of relevance for near future development within sensible thermal energy storage applications. Considering the material application in CSP plants, operating conditions were studied before and after 10 thermal cycles from 290 to 650 °C.
Preparation and properties of fatty acids based thermal energy storage aggregate concrete …
However, bio-based fatty acids have also an increased cost (about three times) compared to paraffin PCM [16] . Some of the non-paraffin PCMs that have been studied for incorporation into concrete ...
Thermal energy storage in concrete: A comprehensive review on …
By storing excess thermal energy during periods of low demand or high energy production, concrete matrix heat storage systems contribute to energy efficiency and load balancing in the energy grid. This allows for the efficient utilisation of renewable …
Cement based-thermal energy storage mortar including blast furnace slag/capric acid shape-stabilized phase change material: Physical…
In this study, a new type of cement based-thermal energy storage mortar (CBTESM) including was developed by substituting blast furnace slag (BFS)/capric acid (CA) shape-stabilized PCM (SSPCM) with 15%, 30% and 45 wt% of sand. XRD results indicated that crystalline structure of CA was not affected with addition of BFS.
Electric energy dissipation and electric tortuosity in electron conductive cement-based materials
The emergence of multifunctional cement-based materials in the construction industry has the potential to shift the paradigm from strength-only performance to new functionalities enabled by electron conducting capabilities in one of the most material- and energy-intensive industry sectors worldwide. To enable such developments, we …
Experimental Research on Thermomechanical Properties of Thermal Energy Storage Cement …
In the current work, the thermal energy storage cement mortars were prepared by physical mixing between cement mortar and form-stable hydrated salt based on disodium hydrogen phosphate dodecahydrate/carbon nanofiber-expanded graphite (DSP/CNF-EG). The DSP/CNF-EG was incorporated into cement mortar through replacing standard …
Carbon-cement supercapacitors: A disruptive technology for renewable energy storage
Conclusions and perspectives. EC3 technology exhibits promising scalability, spanning voltage levels from 1V to 12V and encompassing scales from cement paste to mortar. This versatility widens its range of potential applications, bringing us closer to the transition from a fossil fuel-based economy to renewables.
Cement based-thermal energy storage mortar including blast furnace slag/capric acid shape-stabilized phase change material: Physical…
DOI: 10.1016/j.enbuild.2022.111849 Corpus ID: 245998085 Cement based-thermal energy storage mortar including blast furnace slag/capric acid shape-stabilized phase change material: Physical, mechanical, thermal properties and solar thermoregulation
Thermal energy storage cement mortar containing n …
DOI: 10.1016/J.RENENE.2012.08.024 Corpus ID: 109583441 Thermal energy storage cement mortar containing n-octadecane/expanded graphite composite phase change material @article{Zhang2013ThermalES, title={Thermal energy storage cement mortar containing n-octadecane/expanded graphite composite phase change material}, …
Electrifying cement with nanocarbon black
The research was supported through the Concrete Sustainability Hub by the Portland Cement Association and the Ready Mixed Concrete Research and Education Foundation. A new type of …
Thermal energy storage based on cementitious materials: A review …
Cementitious material with high ettringite content stores heat by a combination of physical (adsorption) and chemical (chemical reaction) processes usable in both the short (daily, …
MIT engineers create an energy-storing supercapacitor from …
MIT engineers created a carbon-cement supercapacitor that can store large amounts of energy. Made of just cement, water, and carbon black, the device could form the basis for inexpensive systems that store intermittently renewable energy, such as solar or wind energy.
Thermal Energy Storage Enhancement of Lightweight …
In this study, cement-based thermal energy storage composites (TESC) were developed by integrating a novel phase change material (PCM) composite into ordinary cement mortar (NC).
Cement based-thermal energy storage mortar including blast …
In this study, a new type of cement based-thermal energy storage mortar (CBTESM) including was developed by substituting blast furnace slag (BFS)/capric acid …
Thermal energy storage cement mortar with direct incorporation …
Direct incorporation of phase change materials (PCMs) in the mortar matrix increases the effective thermal mass of a structure without increasing the size or significantly changing its weight; thereby reduces the energy consumption and brings comfort/well-being throughout the various seasons. Hence, the effect of direct …
Experimental exploration of incorporating form-stable hydrate salt ...
The development of gypsum-based construction materials with energy storage and thermal insulation functions is crucial for regulating indoor temperatures, reducing building energy consumption, and mitigating CO 2 emissions. In this study, graphene and expanded vermiculite (EV) were used as paraffin carriers to prepare a …
Experimental Research on Thermomechanical Properties of Thermal Energy Storage Cement …
In the current work, the thermal energy storage cement mortars were prepared by physical mixing between cement mortar and form-stable hydrated salt based on disodium hydrogen phosphate dodecahydrate/carbon nanofiber-expanded graphite (DSP/CNF-EG). The DSP/CNF-EG was incorporated into cement mortar through …
Thermal characterization and cost analysis of cement-based composite materials for thermochemical energy storage …
The aim of this work was to synthesize and thermally characterize cement-based composite salt inside porous matrix (CSPM) materials for thermochemical energy storage (TES). Following the path outlined over the years by the research group, three different cement families have been investigated: the most popular Portland cement (PC), calcium …
Paraffin/diatomite/multi-wall carbon nanotubes composite
[85][86][87][88] [89] [90] Thermal energy storage has long been seen as an eco-friendly approach to sustainable energy for future energy demands. 91 Using phase change materials (PCMs), latent ...
Thermo-mechanical stability of supplementary ...
The incorporation of recycled materials in concrete as a partial replacement of cement is becoming an alternative strategy for decreasing energy-intensive and CO 2 emissions imputable to the cement manufacture, while investigating new potential uses of such multifunctional materials for environmental sustainability opportunities. …
Thermal energy storage based on cementitious materials: A review
Cementitious material with high ettringite content stores heat by a combination of physical (adsorption) and chemical (chemical reaction) processes usable in both the short (daily, weekly) and long (seasonal) term. Ettringite materials have the advantage of high energy storage density at low temperature (around 60 °C).
Thermo-mechanical stability of supplementary cementitious materials in cement paste to be incorporated in concrete as thermal energy storage ...
The incorporation of recycled materials in concrete as a partial replacement of cement is becoming an alternative strategy for decreasing energy-intensive and CO 2 emissions imputable to the cement manufacture, while investigating new potential uses of such multifunctional materials for environmental sustainability opportunities.
Cementitious composite materials for thermal energy storage applications: a preliminary characterization and theoretical analysis …
We will refer here to a possible use of cement-based composite—water pair in a seasonal thermal energy storage system for space-heating, where the discharged heat is requested at a minimum ...