White Papers and Conference Presentations

Links to white papers and conference presentations discussing various aspects of AllCell's technology and products can be accessed below:

Patents and Applications

 US 6,468,689 Thermal Management of Battery Systems – Use of phase change material for thermal management of rechargeable batteries

 US 6,942,944 Battery System Thermal Management – Application of thermally conductive matrix to phase change material to enhance thermal conductivity (within rechargeable battery)

US 8,109,324 Micro-channel Heat Exchanger with Micro-encapsulated PCM for High Heat Flux Cooling

US 8273474 B2 Battery system thermal management

WO 2015095271 A1 Flexible phase change material composite for thermal management systems

WO 2012170691 A3 Energy storage thermal management system using multi-temperature phase change materials



Peer Reviewed Technical Publications

  • Preventing thermal runaway propagation in lithium ion battery packs using a phase change composite material: An experimental study  
  • M.F. Alzoubi, S. Al-Hallaj, M. Abu-Ayyad , “Modeling of Compression Curves of Flexible Polyurethane Foam with Variable Density, Chemical Formulations and Strain Rates,” Journal of Solid Mechanics, Next issue (Volume 6, No. 1, Winter 2014).
  •  R. Sabbah, S. Al-Hallaj; J. Seyed-Yagoobi, “Natural convection with micro-encapsulated phase change material”, J. Heat Transfer. 2012; 134(8):082503-082503-8
  • R. Sabbah; J. Seyed-Yagoobi; S. Al-Hallaj, “Heat transfer characteristics of liquid flow with micro-encapsulated phase change material: experimental study”, J. Heat Transfer. 2012; 134(4):044501-044501-3
  •  Greg Albright; Farid, M.; Al-Hallaj, S., “Development of a model for compensating the influence of temperature gradients within the sample on DSC-results on phase change materials”, Journal of Thermal Analysis & Calorimetry, 2010, Vol. 101 Issue 3, p1155-1160
  •  Abdalla Alrashdan, Ahmad Turki Mayyas, Said Al-Hallaj, “Thermo-mechanical behaviors of the expanded graphite-phase change material matrix used for thermal management of Li-ion battery packs”,  Journal of Materials Processing Technology, Volume 210, Issue 1, (2010), 174-179
  • R. Kizilel ,R. Sabbah, J. R. Selman, S. Al-Hallaj, ”An Alternative Cooling System to Enhance the Safety of Li-ion Battery Packs”, Journal of Power Sources, 194, (2009), 1105-1112
  • R. Sabbah, Mohammed M. Farid, S. Al-Hallaj, “Micro-Channel Heat Sink with Slurry of Water with Micro-Encapsulated Phase Change Material: 3-D Numerical Study”, Journal of Applied Thermal Science, Volume 29, Issue 2-3, (2009), 445-454
  • R. Kizilel, A. Lateef, R. Sabbah, M.M. Farid, J.R. Selman, S. Al-Hallaj, “Passive control of temperature excursion and uniformity in high-energy Li-ion battery packs at high current and ambient temperature”, Journal of Power Sources, 183, (2008), 370-375
  • R. Sabbah, R. Kizilel, J. R. Selman, S. Al-Hallaj, ”Active (air-cooled) vs. passive (phase change material) thermal management of high power lithium-ion packs: Limitation of temperature rise and uniformity of temperature distribution”, Journal of Power Sources, 182, (2008), 630-638
  • Andrew Mills, Mohammad Farid, J. R. Selman, and Said Al-Hallaj, “Thermal conductivity enhancement of phase change materials using a graphite matrix”, J. Applied Thermal Engineering, 26 (2006), 1652-1661
  • Siddique A.Khateeb, Mohammed M. Farid, J. Robert Selman, and Said Al-Hallaj, “Mechanical electrochemical modeling of Li-ion battery designed for an electric scooter”, Journal of Power Sources, 158 (2006), 673-678
  • Andrew Mills and Said Al-Hallaj, “Simulation of passive thermal management system for lithium-ion battery packs”, Journal of Power Sources, 141 (2005), 307-315
  • Siddique A.Khateeb, Shabab Amiruddin, Mohammed M.Farid, J. Robert Selman, Said Al-Hallaj, “Thermal management of lithium-ion battery with phase change material for an electric scooter: experimental validation”, Journal of Power Sources, 142 (2005), 345-353
  • Siddique A.Khateeb, Mohammed M.Farid, J. Robert Selman, Said Al-Hallaj, “Design and simulation of lithium-ion battery with phase change material thermal management system for an electric scooter”, Journal of Power Sources, 128 (2004) 292-307
  • M. M. Farid, Khudhair, A.M., Razak, S.A. and Said Al-Hallaj, “A review on phase change energy storage: materials and applications”, Energy Conversion & Management, 45 (2004) 1597-1615
  • Said Al-Hallaj and J. R. Selman, “Thermal modeling of Li-ion batteries for EV/HEV applications”, Journal of Power Sources, 110 (2002) 341-348
  • Selman, J. R., S. Al-Hallaj, Isamu Uchida, and Y. Hirano, “Cooperative research on safety fundamentals of lithium batteries”, J. Power Sources, 97-98 (2001) 726-732
  • Al-Hallaj, S., and J. R. Selman, “A novel thermal management system for EV batteries using phase change material (PCM)”, J. Electrochem. Soc.,147 (2000) 3231-3236
  • Said Al-Hallaj, J. Prakash, and J. R. Selman, “Characterization of commercial Li-ion batteries using electrochemical-calorimetric measurements”, J. of Power Sources, 87 (2000) 186-194
  • Said Al-Hallaj, R. Venkatachalapathy, J. Prakash, and J. R. Selman, “Entropy changes due to structural transformation in the graphite anode and phase change of the LiCoO2 cathode”, J. Electrochem. Soc., 147 (2000) 2432-2436
  • Said Al-Hallaj, J. S. Hong, H. Maleki, and J. R. Selman, “Thermal modeling and design considerations of lithium-ion batteries”, J. Power Sources, 83 (1999) 1-8
  • Hossein Maleki, S. Al-Hallaj, J.R. Selman, R. B. Dinwiddie, and H. Wang, “Thermal properties measurements of Li-ion battery and components”, J. Electrochem. Soc., 146 (1999) 947-954
  • J. S. Hong, H. Maleki, S. Al-Hallaj, L. Redey, and J.R. Selman, “Electrochemical-calorimetric studies of lithium-ion cells”, J. Electrochem. Soc., V. 145 (1998) 1489-1501