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Sagger carbon material for roasting negative electrode material and preparation method of sagger carbon material
The invention discloses a sagger carbon material for roasting a negative electrode material and a preparation method thereof, and the preparation method comprises the following steps: uniformly mixing and kneading petroleum coke, pitch coke, carbon black, modified pitch and modified carbon fiber, grinding, carrying out compression molding, roasting, and graphitizing to obtain the sagger carbon material, the prepared sagger carbon material has the breaking strength of 38-50 MPa, the compressive strength of 75-90 MPa, the volume density of 1.70-1.78 g/cm < 3 >, the resistivity of 15.7-16.3 mu omega.m and the heat conductivity coefficient of 119-138 W/m.K. The product has excellent thermal performance, electrical performance and mechanical performance, is compact in structure, stable in performance, low in discharge consumption and high in processing smoothness, and is suitable for preparing a large-diameter sagger product.
本发明公开了一种负极材料焙烧用匣钵碳材料及其制备方法，制备方法包括如下步骤：将石油焦、沥青焦、炭黑、改性沥青、改性碳纤维混捏均匀后进行磨粉处理，然后压制成型，焙烧后进行石墨化处理，得到匣钵碳材料；制备所得匣钵碳材料抗折强度为38～50MPa，抗压强度为75～90MPa，体积密度为1.70～1.78g/cm3，电阻率为15.7～16.3μΩ·m，导热系数为119～138W/m·K，产品具备优异的热性能、电性能、机械性能，结构致密性能稳定，放电消耗低，加工光洁度高，适合用于制备大直径匣钵产品。
Sagger carbon material for roasting negative electrode material and preparation method of sagger carbon material
The invention discloses a sagger carbon material for roasting a negative electrode material and a preparation method thereof, and the preparation method comprises the following steps: uniformly mixing and kneading petroleum coke, pitch coke, carbon black, modified pitch and modified carbon fiber, grinding, carrying out compression molding, roasting, and graphitizing to obtain the sagger carbon material, the prepared sagger carbon material has the breaking strength of 38-50 MPa, the compressive strength of 75-90 MPa, the volume density of 1.70-1.78 g/cm < 3 >, the resistivity of 15.7-16.3 mu omega.m and the heat conductivity coefficient of 119-138 W/m.K. The product has excellent thermal performance, electrical performance and mechanical performance, is compact in structure, stable in performance, low in discharge consumption and high in processing smoothness, and is suitable for preparing a large-diameter sagger product.
本发明公开了一种负极材料焙烧用匣钵碳材料及其制备方法，制备方法包括如下步骤：将石油焦、沥青焦、炭黑、改性沥青、改性碳纤维混捏均匀后进行磨粉处理，然后压制成型，焙烧后进行石墨化处理，得到匣钵碳材料；制备所得匣钵碳材料抗折强度为38～50MPa，抗压强度为75～90MPa，体积密度为1.70～1.78g/cm3，电阻率为15.7～16.3μΩ·m，导热系数为119～138W/m·K，产品具备优异的热性能、电性能、机械性能，结构致密性能稳定，放电消耗低，加工光洁度高，适合用于制备大直径匣钵产品。
Sagger carbon material for roasting negative electrode material and preparation method of sagger carbon material
一种负极材料焙烧用匣钵碳材料及其制备方法
LIN YONG (author) / XU XINPENG (author) / CAO YONG (author)
2023-11-07
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
F27D
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