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The award-winning Phase Change Matters blog tracks the latest news and research on phase change materials and thermal energy storage. E-mail tips and comments to Ben Welter, communications director at Entropy Solutions. Follow the blog on Twitter at @PureTemp. Subscribe to the weekly PCM newsletter. Or join the discussion on LinkedIn.

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Research roundup: Solar absorption cooling systems; air-PCM storage unit; cement slurry; more

Ben Welter - Tuesday, April 24, 2018

Performance enhancement of solar absorption cooling systems using thermal energy storage with phase change materials [Applied Energy]

Experimental validation of an air-PCM storage unit comparing the Effective Heat Capacity and Enthalpy methods through CFD simulations [Energy]

Controlling the heat evaluation of cement slurry system used in natural gas hydrate layer by micro-encapsulated phase change materials [Solar Energy]

Thermal properties and thermal conductivity enhancement of composite phase change material using sodium acetate trihydrate–urea/expanded graphite for radiant floor heating system [Applied Thermal Engineering]

Study on heat-transfer mechanism of wallboards containing active phase change material and parameter optimization with ventilation [Applied Thermal Engineering]

Life Cycle Assessment of Innovative Materials for Thermal Energy Storage in Buildings [Procedia CIRP]

Research roundup: Microcapsule with SiO2-TiO2 hybrid shell; finned rectangular enclosures; glazed roof with PCM; more

Ben Welter - Wednesday, April 11, 2018

Synthesis and properties of phase change microcapsule with SiO2-TiO2 hybrid shell [Solar Energy]

Experimental investigation of melting behaviour of phase change material in finned rectangular enclosures under different inclination angles [Experimental Thermal and Fluid Science]

Phase change material based cooling of photovoltaic panel: A simplified numerical model for the optimization of the phase change material layer and general economic evaluation [Journal of Cleaner Production]

Influence of glazed roof containing phase change material on indoor thermal environment and energy consumption [Applied Energy]

Thermal field and heat storage in a cyclic phase change process caused by several moving melting and solidification interfaces in the layer [International Journal of Thermal Sciences]

A phase change microactuator based on paraffin wax/expanded graphite/nickel particle composite with induction heating [Sensors and Actuators A: Physical]

Patent application: Heat storage material

Ben Welter - Thursday, April 05, 2018

U.S. patent application 20180094180 (applicant Hutchinson SA, Paris, France):

"The invention relates to a material including a support consisting of a porous composite material including at least one polymer phase forming a binder based on at least one polymer selected from thermoplastic polymers, elastomers, and elastomer thermoplastics, and at least one filler selected from thermally conductive fillers, the pores of the support consisting of the porous composite material being partially or entirely filled with at least one phase-change material. The invention also relates to a method for producing said material."

http://www.freepatentsonline.com/20180094180.pdf

Research roundup: Personal cooling device; China's cold chain; prismatic lithium ion batteries; more

Ben Welter - Friday, March 16, 2018

"Preparation and Characterization of Modified Porous Wood Flour/Lauric-Myristic Acid Eutectic Mixture as a Form-Stable Phase Change Material" [Energy & Fuels]

A novel phase based cooling system for prismatic lithium ion batteries [Institut International du Froid]

Optimization of solar photovoltaic system integrated with phase change material [Solar Energy]

A novel heat transfer enhancement technique for performance improvements in encapsulated latent heat storage system [Solar Energy]

Experimental and numerical investigation of a solar collector/storage system with composite phase change materials [Solar Energy]

Enhanced thermal conductivity of phase change material nanocomposites based on MnO2 nanowires and nanotubes for energy storage [Solar Energy Materials and Solar Cells]

Enhancing the Thermosiphon-Driven Discharge of a Latent Heat Thermal Storage System used in a Personal Cooling Device [International Journal of Refrigeration]

An Overview of Current Status of Cold Chain in China [International Journal of Refrigeration]

Applications of Thermal Analysis to the Study of Phase-Change Materials [Handbook of Thermal Analysis and Calorimetry]

Thermo-physical characteristics, mechanical performance and long-term stability of high temperature latent heat storages based on paraffin-polymer compounds [Thermochimica Acta]

High thermal conductive paraffin/calcium carbonate phase change microcapsules based composites with different carbon network [Applied Energy]

Research roundup: Enhanced bulk-organic PCMs; cementitious composites; business clothing incorporating PCMs; more

Ben Welter - Wednesday, February 21, 2018

New formulation and characterization of enhanced bulk-organic phase change materials [Energy and Buildings]

Numerical analysis of the freeze-thaw performance of cementitious composites that contain phase change material (PCM) [Materials & Design]

Thermal Properties of Lauric Acid Filled in Carbon Nanotubes as Shape-stabilized Phase Change Materials [Physical Chemistry Chemical Physics]

Thermo-physiological comfort of business clothing incorporating phase change materials in a cold environment [International Journal of Clothing Science and Technology]

Phase change material thermal energy storage for a large scale ammonia chiller/heat pump system [International Institute of Refrigeration]

Case Study of Load Shifting Using Thermal Energy Ice Storage in Public Facilities [Journal of Facility Management]

Microencapsulated phase change materials with composite titania-polyurea (TiO2-PUA) shell [Applied Energy]

Numerical study on the effects of fins and nanoparticles in a shell and tube phase change thermal energy storage unit [Applied Energy]

Research roundup: Eutectic organic PCMs; diatomite/CNTs/PEG composites; cellulose insulation; more

Ben Welter - Tuesday, February 06, 2018

From Data in Brief:

Prediction of the Properties of Eutectic Organic Phase Change Materials

From Energy and Buildings:

Diatomite/CNTs/PEG composite PCMs with shape-stabilized and improved thermal conductivity: Preparation and thermal energy storage properties

From Solar Energy:

Thermal performance of phase change materials (PCM)-enhanced cellulose insulation in passive solar residential building walls

From Energy Procedia:

A Parametric Study about the Potential to Integrate Phase Change Material into Photovoltaic Panel
Investigations on thermal environment in residential buildings with PCM embedded in external wall
Passive Cooling Using Phase Change Material and Insulation for High-rise Office Building in Tropical Climate
A Study on Latent Heat Energy Storage Performance of Tetradecane
Erythritol-Vermiculite form-stable phase change materials for thermal energy storage

From Applied Thermal Engineering:

Modification of expanded graphite and its adsorption for hydrated salt to prepare composite PCMs

From Renewable Energy:

Experimental Investigation of Solar Chimney with Phase Change Material (PCM)
Effect of retrofitting a silver/water nanofluid-based photovoltaic/thermal (PV/T) system with a PCM-thermal battery for residential applications

From International Journal of Thermal Sciences:

Thermal charging performance of enhanced phase change material composites for thermal battery design

From Colloids and Surfaces A: Physicochemical and Engineering Aspects:

Preparation and characterization of high-temperature non-flowing SiO2/EG/paraffin composites by high-temperature refining

From Materials Today: Proceedings:

Experimental analysis of thermal energy storage by phase change material system for cooling and heating applications

From Materials & Design:

Thermal conductivity enhancement of phase change materials with form-stable carbon bonded carbon fiber network

From Sustainable Cities and Society:

Experimental study on thermal performance improvement of building envelopes by integrating with phase change material in an intermittently heated room

From International Journal of Refrigeration:

Phase-change thermal energy storage using spherical capsules: performance of a test plant

Research roundup: Composite PCM/concrete wall; thermal inertia in buildings; multilayer roof with two PCMs; more

Ben Welter - Thursday, January 04, 2018

Thermal impact study of a bio-based wall coupled with an inner PCM layer [Energy Procedia]

Numerical study of the thermal behavior of a novel Composite PCM/concrete wall [Energy Procedia]

Phase change materials for improving the building thermal inertia [Energy Procedia]

Thermal behavior in dynamic regime of a multilayer roof provided with two phase change materials in the case of a local conditioned [Energy Procedia]

Composite phase change materials with good reversible thermochromic ability in delignified wood substrate for thermal energy storage [Applied Energy]

D-mannitol for medium temperature thermal energy storage [Solar Energy Materials and Solar Cells]

Novel metal coated nanoencapsulated phase change materials with high thermal conductivity for thermal energy storage [Solar Energy Materials and Solar Cells]

State and state of charge estimation for a latent heat storage [Control Engineering Practice]

Microencapsulated n-alkane eutectics in polystyrene for solar thermal applications [Solar Energy]

Improving thermal properties of shape-stabilized phase change materials containing lauric acid and mesocellular foam silica by assessing thermodynamic properties of the non-melting layer [Thermochimica Acta]

Research roundup: Eutectic fatty acids; review of automotive applications; expanded graphite composites; more

Ben Welter - Wednesday, January 03, 2018

Prediction of the Properties of Eutectic Fatty Acid Phase Change Materials [Thermochimica Acta]

Phase-change materials (PCM) for automotive applications: A review [Applied Thermal Engineering]

A polymer-coated calcium chloride hexahydrate/expanded graphite composite phase change material with enhanced thermal reliability and good applicability [Composites Science and Technology]

Synthesis and characterization of beeswax-tetradecanol-carbon fiber/expanded perlite form-stable composite phase change material for solar energy storage [Composites Part A: Applied Science and Manufacturing]

An energy-efficient composite by using expanded graphite stabilized paraffin as phase change material [Composites Part A: Applied Science and Manufacturing]

Synthesis and characterization of PEG/ZSM-5 composite phase change materials for latent heat storage [Renewable Energy]

Fabrication and characteristics of composite phase change material based on Ba(OH)2·8H2O for thermal energy storage [Solar Energy Materials and Solar Cells]

Silica fume/capric acid-palmitic acid composite phase change material doped with CNTs for thermal energy storage [Solar Energy Materials and Solar Cells]

Hybridizing graphene aerogel into three-dimensional graphene foam for high-performance composite phase change materials [Energy Storage Materials]

Phase Change in Spiral Coil Heat Storage Systems [Sustainable Cities and Society]

Thermal management performance of phase change materials with different thermal conductivities for Li-ion battery packs operated at low temperatures [Energy]

Geocooling with integrated PCM thermal energy storage in a Mediterranean climate [Energy]

Research roundup: Cold chain insulated container; convective heat transfer; new form-stable composite; more

Ben Welter - Thursday, December 14, 2017

Improving Performance of Cold-Chain Insulated Container with Phase Change Material: An Experimental Investigation [Applied Sciences]

Energy Storage in a Complex Heat Storage Unit Using Commercial Grade Phase Change Materials: Effect of Convective Heat Transfer Boundary Conditions [Applied Thermal Engineering]

Porosity and density measurements of sodium acetate trihydrate for thermal energy storage [Applied Thermal Engineering]

Melting and solidification behaviour of phase change materials with cyclic heating and cooling [Journal of Energy Storage]

Thermal performance enhancement of composite phase change materials (PCM) using graphene and carbon nanotubes as additives for the potential application in lithium-ion power battery [International Journal of Heat and Mass Transfer]

A novel form-stable phase change composite with excellent thermal and electrical conductivities [Chemical Engineering Journal]

Influence of PCM design parameters on thermal and optical performance of multi-layer glazed roof [Applied Energy]

A Novel Phase Change Based Cooling System for Prismatic Lithium Ion Batteries [International Journal of Refrigeration]

Facile method of fabricating microencapsulated phase change materials with compact bonding polymer–silica hybrid shell using TEOS/MPS [Thermochimica Acta]

Research roundup: Direct steam generation solar plants; d-mannitol-copper oxide nanocomposites; modified carbon nanotubes; more

Ben Welter - Wednesday, December 06, 2017

Thermal energy storage evaluation in direct steam generation solar plants [Solar Energy]

Potential of cascaded phase change materials in enhancing the performance of solar domestic hot water systems [Solar Energy]

Study of thermo-physical properties and cycling stability of d-Mannitol-copper oxide nanocomposites as phase change materials [Journal of Energy Storage]

Properties Enhancement of Phase-change Materials via Silica and Al Honeycomb Panels for the Thermal Management of LiFeO4 Batteries [Applied Thermal Engineering]

Experimental Investigation and Mathematical Modelling of Thermal Performance Characteristics of Textiles Incorporating Phase Change Materials [Environmental Engineering, 10th International Conference]

Thermal storage of solar energy [Physical Rendering]

Studies on the inward spherical solidification of a phase change material dispersed with macro particles [Journal of Energy Storage]

Review of latent heat thermal energy storage for improved material stability and effective load management [Journal of Energy Storage]

The effects of modified carbon nanotubes on the thermal properties of erythritol as phase change materials [Energy Conversion and Management]

Experimental study on the cooling charge and discharge characteristics of a PCM based fin-tube thermal energy storage exchanger [Procedia Engineering]

Energy Saving Potential of PCMs in Buildings under Future Climate Conditions [pdf] [Applied Sciences]

Experimental study of carbon fiber reinforced alkali-activated slag composites with micro-encapsulated PCM for energy storage [Construction and Building Materials]