Patent ID: 9745498
Date: 2017-08-29
CPC Classifications: C08K,C08L,C09K,H01L

Claim:
1. A heat storage composition comprising: a matrix resin; heat storage inorganic particles; and heat conductive particles, wherein the heat storage inorganic particles are composed of a material that undergoes an electronic phase transition and has a latent heat of 1 J/cc or more for the electronic phase transition, an amount of the heat storage inorganic particles is 10 to 2000 parts by weight with respect to 100 parts by weight of the matrix resin, an amount of the heat conductive particles is 100 to 2000 parts by weight with respect to 100 parts by weight of the matrix resin, the heat conductive particles include inorganic particles with an average particle size of 2 μm or more and inorganic particles with an average particle size of less than 2 μm, an amount of the inorganic particles with an average particle size of 2 μm or more is 50 wt % or more when a total amount of particles is 100 wt %, a heat conductivity of the heat storage composition is 0.3 W/m·K or more, and the heat storage composition is provided between a heat generating member and a heat dissipating member to transfer heat in a planar direction.