• 专利标题:   Heat accumulation of carbon material with z-plane orientation degree and high degree of graphitization and specific degree of overall orientation, prepared by mixing thermally conductive fillers, agglomerant and high thermally conductive additives, and pressing and molding.
  • 专利号:   CN115140724-A
  • 发明人:   ZHANG H, YU D, WEI J, SHENG Y, GAO G, ZHENG D, LIANG W, LIU J, DUAN C
  • 专利权人:   NAT INST CLEAN LOW CARBON ENERGY, CHN ENERGY INVESTMENT GROUP CO LTD
  • 国际专利分类:   C01B032/05, C01B032/21, C09K005/14
  • 专利详细信息:   CN115140724-A 04 Oct 2022 C01B-032/05 202200 Chinese
  • 申请详细信息:   CN115140724-A CN10349338 31 Mar 2021
  • 优先权号:   CN10349338

▎ 摘  要

NOVELTY - Heat accumulation of carbon material has degree of graphitization of ≥ 92%, the overall orientation degree D(x)/D(z) of 500-900, e z-plane orientation degree D(z)/E(z) of 0.2-8, where the D(x) refers to the diffraction peak intensity of the crystal plane of the x-plane perpendicular to the force direction in the high-strength heat storage carbon material, D(z) is the diffraction peak intensity of the crystal plane parallel to the z-plane of the force direction in the high-strength heat storage carbon material, E(z) is the diffraction peak intensity of the crystal plane parallel to the z-plane in the high-strength heat storage carbon material, D(x), D(z) and E(z) are all obtained by XRD test. USE - Used as heat accumulation of carbon material. ADVANTAGE - The carbon material: has overall orientation degree D(x)/D(z) of 500900, z-plane orientation degree D(z)/E(z) of 0.28, compressive strength of 20-60 MPa, thermal conductivity of 200-500W/mK; has a high degree of graphitization and a specific degree of overall orientation and z-plane orientation, has a high molding density, thermal conductivity and compressive strength. DETAILED DESCRIPTION - INDEPENDENT CLAIMs are also included for: Composition for preparing heat storage carbon materials comprising 60-90 wt.% thermally conductive fillers, 2-15 wt.% agglomerant and 5-30 wt.% high thermally conductive additives. Preparing heat accumulation of carbon material comprising (1) mixing each component in the carbon material heat accumulation to obtain the premix, (2) pressing and molding the premix, obtaining the material heat accumulation, where the composition comprising 60-90 wt.% thermally conductive fillers, 2-15 wt.% agglomerant and 5-30 wt.% high thermally conductive additives. High-strength carbon material heat accumulation, prepared by above method.