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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: 'Red Brick' TES; rocks as filler material; thermoelectric space cooling; more

Ben Welter - Monday, May 04, 2015

Preparation and thermal characterization of composite “Paraffin/Red Brick” as a novel form-stable of phase change material for thermal energy storage [International Journal of Hydrogen Energy]

Stability testing of thermal oil in direct contact with rocks used as filler material for thermal energy storage in CSP power plants [Energy Procedia]

Improving the Thermochemical Energy Storage Performance of the Mn2O3/Mn3O4 Redox Couple by the Incorporation of Iron [ChemSusChem]

Experimental and Numerical Evaluation of Longitudinally Finned Latent Heat Thermal Storage Systems [Energy and Buildings]

Facile synthesis and thermal performances of stearic acid/titania core/shell nanocapsules by sol–gel method [Energy]

Theoretical study on effective thermal conductivity of salt/expanded graphite composite material by using fractal method [Applied Thermal Engineering]

Study of a Thermoelectric Space Cooling System Integrated with Phase Change Material [Applied Thermal Energy]

Research roundup: Expanded graphite with PCM; thermal cycle test; concrete with macroencapsulated PCM; more

Ben Welter - Tuesday, April 28, 2015

RT100/expand graphite composite phase change material with excellent structure stability, photo-thermal performance and good thermal reliability [Solar Energy Materials and Solar Cells]

Thermal Cycle Test of Binary Mixtures of Some Fatty Acids as Phase Change Materials For Building Applications [Energy and Buildings]

Development of structural–functional integrated concrete with macro-encapsulated PCM for thermal energy storage [Applied Energy]

Phase Change Materials—A Sustainable Way of Solar Thermal Energy Storage [pdf] [Energy Sustainability Through Green Energy]

Characterization and real-time testing of phase-change materials for solar thermal energy storage [Energy Research]

Latent Heat Thermal Storage (LHTS) for Energy Sustainability [Energy Sustainability Through Green Energy]


PCM market projected to reach $339 million in the Americas by 2019

Ben Welter - Thursday, April 09, 2015

The market for advanced phase change materials in the Americas will reach $339.56 million by 2019, according to the latest report from MicroMarket Monitor. That's a compound annual growth rate of 19.9% from 2014 to 2019. The report identifies the shipping, packaging and refrigeration segment as a key driver and attributes much of the growth to initiatives by the Emerging Technologies Coordinating Council, the National Renewable Energy Laboratory and other bodies.

MicroMarket Monitor is planning to release similar reports next month on the PCM markets in Asia-Pacific and Middle East-Africa. The Asia-Pacific market is expected to see a compound annual growth rate of 19.2 percent from 2013 to 2018. The Middle East-Africa market is expected see a CAGR of 11.9 percent in the same period.

http://www.micromarketmonitor.com/market/americas-advanced-phase-change-materials-3734986145.html

Steep growth projected for Europe's organic PCM market through 2018

Ben Welter - Wednesday, April 08, 2015

The European market for organic phase change materials is projected to see a compound annual growth rate of 20.4 percent from 2013 to 2018, according to the latest report from MicroMarket Monitor. Organic PCMs fall into two categories: paraffins (derived from petroleum) and fatty acids (derived from animal fat and plant oils). The report, to be released May 2, attributes much of the growth to new government rules aimed at reducing the emission of greenhouse gases.

http://www.micromarketmonitor.com/market/europe-organic-advanced-phase-change-materials-8730183541.html

Research roundup: PCM in free-moving ceiling; phase interface effects; window shutter; solar chimney; more

Ben Welter - Tuesday, April 07, 2015

Melting processes of phase change materials in an enclosure with a free-moving ceiling: An experimental and numerical study [International Journal of Heat and Mass Transfer]

Phase interface effects in the total enthalpy-based lattice Boltzmann model for solid–liquid phase change [Journal of Computational Physics]

Electroless plating of copper layer on surfaces of urea–formaldehyde microcapsule particles containing paraffin for low infrared emissivity [Particuology]

Constructal design of phase change material enclosures used for cooling electronic devices [Applied Thermal Engineering]

Numerical study of PCM solidification in a finned tube thermal storage including natural convection [Applied Thermal Engineering]

Effect of water based AL2O3 Nanoparticle PCM on cool storage performance [Applied Thermal Engineering]

Optimization of Heat Exchange in a Heat Accumulator with Latent Heat Storage [Procedia Technology]

Performance of a window shutter with phase change material under summer Mediterranean climate conditions [Applied Thermal Engineering]

Review on shell materials used in the encapsulation of phase change materials for high temperature thermal energy storage [Renewable and Sustainable Energy Reviews]

An experimental study on the thermal performance of a solar chimney without and with PCM [Renewable Energy]

Research roundup: Stability testing of high-temperature PCMs; n-octadecane in spherical capsule; modeling peak load reduction; more

Ben Welter - Friday, April 03, 2015

Determination of thermo-physical properties and stability testing of high-temperature phase change materials for CSP applications [Solar Energy Materials and Solar Cells]

The experimental exploration of sodium chloride solution on thermal behavior of phase change materials [Solar Energy Materials and Solar Cells]

Fixed-grid numerical modeling of melting and solidification using variable thermo-physical properties – Application to the melting of n-Octadecane inside a spherical capsule [International Journal of Heat and Mass Transfer]

Experimental observations on the heat transfer enhancement caused by natural convection during melting of solid–liquid phase change materials (PCMs) [Applied Energy]

Modeling Peak Load Reduction and Energy Consumption Enabled by an Integrated Thermal Energy and Water Storage System for Residential Air Conditioning Systems in Austin, Texas [Energy and Buildings]

Connect with PCM experts and industry leaders on LinkedIn

Ben Welter - Wednesday, March 25, 2015

Phase Change Matters logoNew on LinkedIn: A group devoted to the discussion of phase change material and thermal energy storage, a place for PCM and TES experts and industry leaders from around the world to gather and share ideas. It's called Phase Change Matters, and it's intended as a highly interactive complement to the blog and newsletter of the same name.

The first topic up for discussion: PCM and off-peak cooling systems:

TES pioneers like CALMAC and Ice Energy have been installing ice-based energy storage systems for years. And district cooling has been around for decades. What are the main barriers to wider adoption of phase change material in these types of thermal energy storage systems? Complexity? Education? Cost?

You are invited to join the discussion. Here's a link to the group:

https://www.linkedin.com/groups?home=&gid=6953237

Research roundup: Free-air cooling for telecom base stations; shape-stabilized TES materials; multifilament yarn; more

Ben Welter - Tuesday, March 17, 2015

Performance of a free-air cooling system for telecommunications base stations using phase change materials (PCMs): In-situ tests [Applied Energy]

Increased photovoltaic performance through temperature regulation by phase change materials: Materials comparison in different climates [Solar Energy]

Preparation, thermal properties and applications of shape-stabilized thermal energy storage materials [Renewable and Sustainable Energy Reviews]

Development of thermal stable multifilament yarn containing micro-encapsulated phase change materials [Fibers and Polymers]

Advanced PCM market to hit $1.18 billion by end of 2018

Ben Welter - Tuesday, March 17, 2015

The global market for advanced phase change materials, valued at $350 million in 2011, is expected to reach $1.18 billion by the end of 2018, according to the latest report from Transparency Market Research. That's a compound annual growth rate of 19.5 percent. Europe was the largest market for advanced PCMs in 2011, with the United Kingdom, Germany and France recording the highest demand. Paraffin accounted for more than 50 percent of global demand by revenue that year, followed by salt hydrates (36 percent) and others, including biobased PCMs (12 percent).

http://www.transparencymarketresearch.com/pressrelease/phase-change-material-market.htm