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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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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

Research roundup: UV-blocking film; paraffin-red brick composite; cool thermal energy storage; more

Ben Welter - Monday, March 09, 2015

  • A novel thermal-insulating film incorporating microencapsulated phase-change materials for temperature regulation and nano-TiO2 for UV-blocking [Solar Energy Materials and Solar Cells]

  • Preparation and thermal characterization of paraffin/red brick composite as a novel form-stable phase change material for thermal energy storage [Proceedings of Engineering and Technology - pdf]

  • Dynamic Characteristics of Cool Thermal Energy Storage Systems — A Review [International Journal of Green Energy]

  • Bidirectional thermoelectric energy generator based on a phase-change lens for concentrating solar power [International Conference on Micro Electro Mechanical Systems]

  • Numerical Investigation of Effective Heat Conductivity of Fluid in Charging Process of Thermal Storage Tank [Open Journal of Fluid Dynamics - pdf]

  • Improvement on Heat Release Performance of Direct-contact Heat Exchanger Using Phase Change Material for Recovery of Low-Temperature Exhaust Heat [ISIJ International]
  • Research roundup: PCMs for building applications; concretes and mortars; nanoparticle dispersion; more

    Ben Welter - Tuesday, March 03, 2015

  • Phase change materials for building applications: A state-of-the-art review and future research opportunities [Energy and Buildings]

  • Mechanical and thermo-physical behaviour of concretes and mortars containing phase change material [Energy and Buildings]

  • A review on thermophysical properties of nanoparticle-dispersed phase change materials [Energy Conversion and Management]

  • Study on solidification of phase change material in fractal porous metal foam [Fractals]

  • Improving the efficiency of photovoltaic cells using PCM-infused graphite and aluminum fins [Solar Energy]

  • Performance of indirect through pass natural convective solar crop dryer with phase change thermal energy storage [Renewable Energy]

  • Thermal energy storage properties of the capric acid–stearic acid binary system and 48# paraffin–liquid paraffin binary system [International Journal of Sustainable Energy]

  • Research roundup: Multiphase ultra-low-grade TES; CCHP case study; building energy system optimization; nanoencapsulation

    Ben Welter - Tuesday, February 24, 2015

  • Multiphase ultra-low-grade thermal energy storage for organic Rankine cycle [International Journal of Energy Research]

  • Hourly operation strategy of a CCHP system with GSHP and thermal energy storage (TES) under variable loads: A case study [Energy and Buildings]

  • A comparison of thermal energy storage models for building energy system optimization [Energy and Buildings]

  • Review on nanoencapsulated phase change materials: Preparation, characterization and heat transfer enhancement [Nano Energy]

  • Research roundup: Conventional chiller system; TES at 575° C and above; vermiculite-perlite composites; more

    Ben Welter - Monday, February 23, 2015

  • A comparison of the field performance of thermal energy storage (TES) and conventional chiller systems [Energy]

  • Experimental and numerical investigation of combined sensible–latent heat for thermal energy storage at 575° C and above [Solar Energy]

  • Experimental investigation of the specific heat of a nitrate–alumina nanofluid for solar thermal energy storage systems [International Journal of Thermal Sciences]

  • Preparation of energy efficient paraffinic PCMs/expanded vermiculite and perlite composites for energy saving in buildings [Solar Energy Materials and Solar Cells]

  • Electrospun fibers based on polyvinyl pyrrolidone/Eu-polyethylene glycol as phase change luminescence materials [Materials Letters]

  • The Potential of Phase Change Materials to Reduce Domestic Cooling Energy Loads for Current and Future UK Climates [Energy and Buildings]

  • Parametric Investigations of Using a PCM Curtain for Energy Efficient Buildings [Energy and Buildings]

  • Effect of Silver Nanoparticles on the Thermal Properties of Sodium Acetate Trihydrate [International Journal of Thermophysics]

  • Research roundup: Polyethylene-paraffin composites; horizontal tanks; activated carbon; DSC; more

    Ben Welter - Tuesday, February 17, 2015

  • Polyethylene/paraffin binary composites for phase change material energy storage in building: A morphology, thermal properties, and paraffin leakage study [Solar Energy Materials and Solar Cells]

  • Experimental determination of the heat transfer and cold storage characteristics of a microencapsulated phase change material in a horizontal tank [Energy Conversion and Management]

  • Activated carbon derived from peat soil as a framework for the preparation of shape-stabilized phase change material [Energy]

  • Thermal analysis by DSC of phase change materials, study of the damage effect [Journal of Building Engineering]

  • Characterization and thermal performance of nitrate mixture/SiC ceramic honeycomb composite phase change materials for thermal energy storage [Applied Thermal Engineering]

  • Design of an ice thermal energy storage system for a building of hospitality operation [International Journal of Hospitality Management]

  • Research roundup: Electrical arc furnace dust; gypsum-based composites; electro-spun coatings; more

    Ben Welter - Monday, February 16, 2015

  • Use of PCM–polymer composite dense sheet including EAFD in constructive systems [Energy and Buildings]

  • Preparation and properties of gypsum-based energy storage materials with capric acid-palmitic acid/expanded perlite composite PCM [Energy and Buildings]

  • A simple model to predict the thermal performance of a ventilated facade with phase change materials [Energy and Buildings]

  • Polyethylene glycol/mesoporous calcium silicate shape-stabilized composite phase change material: Preparation, characterization, and adjustable thermal property [Energy]

  • Hierarchical energy management system for multi-source multi-product microgrids [Renewable Energy]

  • Use of Phase Change Materials to Develop Electrospun Coatings of Interest in Food Packaging Applications [Journal of Food Engineering]

  • Research roundup: Nanoparticle-enhanced PCMs; amphiphilic block copolymers; more

    Ben Welter - Thursday, February 12, 2015

  • Energy storage system based on nanoparticle-enhanced phase change material inside porous medium [International Journal of Thermal Sciences]

  • Highly Stable Phase Change Material Emulsions Fabricated by Interfacial Assembly of Amphiphilic Block Copolymers during Phase Inversion [American Chemical Society]

  • Improving thermal conductivity phase change materials—A study of paraffin nanomagnetite composites [Solar Energy Materials and Solar Cells]

  • Energy and economic analysis of a building air-conditioner with a phase change material [Energy Conversion and Management]