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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 monthly PCM newsletter. Or join the discussion on LinkedIn.

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PureTemp 23 shows no corrosive effect on five metals tested in study

Ben Welter - Friday, December 26, 2014

PureTemp 23, one of 19 PureTemp phase change materials recently certified as 100 percent biobased by the U.S. Department of Agriculture, has been shown to have no corrosive effect on metals tested in a study by researchers from the University of Barcelona and the University of Lleida in Spain. The five metals tested were aluminum, copper, carbon steel, stainless steel 304 or stainless steel 316.

http://www.puretemp.com/stories/puretemp-23-shows-no-corrosive-effect-on-five-metals-tested-in-study

Research roundup: PCMs and indoor environments; spherical PCMs; silica aerogels; thermodynamic modeling

Ben Welter - Friday, December 26, 2014

  • Effect of phase change materials on indoor thermal environment under different weather conditions and over a long time [Applied Energy]

  • Prediction of Spherical Phase Change Material Temperature Using RBFNN Model [Applied Mechanics and Materials]

  • Alkylated Phase Change Composites for Thermal Energy Storage Based on Surface-Modified Silica Aerogels [Journal of Materials Chemistry A]

  • Simulation of the thermal and energy behavior of a composite material containing encapsulated PCM: Influence of the thermodynamical modeling [Applied Energy] 
  • Research roundup: Hardened cement paste, energy storage containers, nanocomposites

    Ben Welter - Wednesday, December 17, 2014

  • Thermophysical and Mechanical Properties of Hardened Cement Paste with Microencapsulated Phase Change Materials for Energy Storage [Materials]

  • Thermal Performance Evaluation of Two Thermal Energy Storage Tank Design Concepts for Use with a Solid Particle Receiver-Based Solar Power Tower [Energies]

  • Experimental study on solving the blocking for the direct contact mobilized thermal energy storage container [Applied Thermal Engineering]

  • Thermal conductivity enhancement of lauric acid phase change nanocomposite in solid and liquid state with single-walled carbon nanohorn inclusions [Thermochimica Acta] 
  • Research roundup: Synthesized polymeric solid-solid PCMs, corrosion of metal containers and more

    Ben Welter - Friday, December 12, 2014

    Trend toward smart textiles is driving growth in microencapsulated PCMs

    Ben Welter - Tuesday, December 09, 2014

    The latest Frost & Sullivan research on the global market for microencapsulated phase change materials in textiles and mattresses is out. F&S reports that the industry earned revenues of $45.1 million in 2013 and projects that number will reach $99 million in 2018.

    The report covers fibers, yarns, fabrics, foams and gels that incorporate microencapsulated PCMs. F&S says the trend toward smart textiles that comfortably regulate temperature is driving the use of microencapsulated PCMs in clothing and mattresses.  

    http://www.prnewswire.com/news-releases/enhanced-comfort-offered-by-microencapsulated-phase-change-materials-drives-use-in-textiles-and-mattresses-300005869.html

    You could even say it glows

    Ben Welter - Tuesday, November 25, 2014

    Rudolph Microencapsulation of PCMs typically involves a single purpose: thermal energy storage. What if you could make that material glow as well? That's what three researchers at the Beijing University of Chemical Technology set out to find. They designed and synthesized PCM microcapsules with an n-eicosane core and zirconium dioxide shell to attain the characteristics of latent-heat storage/release and photoluminescence. Potential applications include intelligent fibers and photosensitive devices.

    Encapsys' McKinney is honored for PCM presentation

    Ben Welter - Friday, November 21, 2014

    Jei McKinneyJei McKinney of Encapsys has won the Herman Stone Technical Excellence Award for her presentation “Art and Science of Microencapsulated Phase Change Materials,” presented during the Polyurethane Foam Association's fall meeting. McKinney, a senior business development manager at Encapsys, received the highest score of seven presented at the November program in Chattanooga, Ten. The topic: microencapsulation technology application in flexible polyurethane foam production.

    http://urethaneblog.typepad.com/my_weblog/2014/11/pfa-technical-excellence-award.html