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High-conductivity graphite composite material, preparation method and application
The invention relates to a high-conductivity graphite composite material and a preparation method and application thereof.The preparation method includes the steps that worm graphite powder, graphene powder and polyacrylonitrile-based carbon fiber powder are fully mixed according to the proportion of A: B: C and subjected to calendaring forming, and the obtained graphite composite material is subjected to carbonization and graphitization treatment in the nitrogen atmosphere to obtain the high-conductivity graphite composite material; the particle size of the worm graphite powder is 40 to 100 meshes; d50 of the graphene powder is more than or equal to 30 microns and less than or equal to 180 microns, ID/IG is less than 0.3, and the graphene powder has a wrinkle-shaped morphology in a microscopic state; the polyacrylonitrile-based carbon fiber powder has 50 [mu] m < = D50 < = 200 [mu] m, 15 < = A < = 19, 1 < = B < = 4, and 0.1 < = C < = 3. The composite material has the advantages of being good in conductivity and mechanical performance.
本申请涉及一种高导电石墨复合材料、制备方法及应用，包括蠕虫石墨粉体、石墨烯粉体和聚丙烯腈基碳纤维粉体，按A:B:C的比例充分混合、压延成型，得到的石墨复合材料在氮气气氛下进行碳化、石墨化处理得到高导电石墨复合材料；所述蠕虫石墨粉体的粒度为40‑100目；所述石墨烯粉体的30μm≤D50≤180μm，ID/IG＜0.3，在微观状态下具有褶皱状形貌；聚丙烯腈基碳纤维粉体50μm≤D50≤200μm，15≤A≤19，1≤B≤4，0.1≤C≤3。本申请具有导电性能和机械性能较好的优点。
High-conductivity graphite composite material, preparation method and application
The invention relates to a high-conductivity graphite composite material and a preparation method and application thereof.The preparation method includes the steps that worm graphite powder, graphene powder and polyacrylonitrile-based carbon fiber powder are fully mixed according to the proportion of A: B: C and subjected to calendaring forming, and the obtained graphite composite material is subjected to carbonization and graphitization treatment in the nitrogen atmosphere to obtain the high-conductivity graphite composite material; the particle size of the worm graphite powder is 40 to 100 meshes; d50 of the graphene powder is more than or equal to 30 microns and less than or equal to 180 microns, ID/IG is less than 0.3, and the graphene powder has a wrinkle-shaped morphology in a microscopic state; the polyacrylonitrile-based carbon fiber powder has 50 [mu] m < = D50 < = 200 [mu] m, 15 < = A < = 19, 1 < = B < = 4, and 0.1 < = C < = 3. The composite material has the advantages of being good in conductivity and mechanical performance.
本申请涉及一种高导电石墨复合材料、制备方法及应用，包括蠕虫石墨粉体、石墨烯粉体和聚丙烯腈基碳纤维粉体，按A:B:C的比例充分混合、压延成型，得到的石墨复合材料在氮气气氛下进行碳化、石墨化处理得到高导电石墨复合材料；所述蠕虫石墨粉体的粒度为40‑100目；所述石墨烯粉体的30μm≤D50≤180μm，ID/IG＜0.3，在微观状态下具有褶皱状形貌；聚丙烯腈基碳纤维粉体50μm≤D50≤200μm，15≤A≤19，1≤B≤4，0.1≤C≤3。本申请具有导电性能和机械性能较好的优点。
High-conductivity graphite composite material, preparation method and application
一种高导电石墨复合材料、制备方法及应用
LI KAI (author) / MA XURUI (author) / CHEN XINHUA (author)
2024-12-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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