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Manufacturing method of graphite crucible special for high-temperature purifying negative electrode materials
The invention discloses a manufacturing method of a graphite crucible special for high-temperature purifying negative electrode materials. The manufacturing method is carried out sequentially according to the following operation steps of a, preparing graphitized coke with different grain diameters and 23-24 modified mid-temperature coal pitch according to the weight proportion parts; b, adding the graphitized coke into a mixing kneading pot with the temperature of 160-180 DEG C, preheating, dry-mixing and stirring for 30min for standby use, heating the modified mid-temperature coal pitch to be 170-180 DEG C in another container, adding the heated modified mid-temperature coal pitch into the mixing kneading pot, and then continuously mixing, kneading and stirring for 40min to prepare paste materials; c, operating to control the temperature of a pressure die to increase to be 145-150 DEG C, filling the paste materials into the die, starting to pressurize, maintaining pressure for 3min after the pressure is increased to be 10-11MP, and depanning to prepare a blank after cooling pitching; d, filling batch of blanks into a roasting furnace, increasing the roasting temperature to be 1220-1250 DEG C, keeping for 24h, then naturally cooling to be under 100 DEG C, and discharging to prepare the finished product. The manufacturing method of the graphite crucible special for high-temperature purifying the negative electrode materials has the characteristics of high production efficiency, less material waste, low manufacturing cost and the like.
Manufacturing method of graphite crucible special for high-temperature purifying negative electrode materials
The invention discloses a manufacturing method of a graphite crucible special for high-temperature purifying negative electrode materials. The manufacturing method is carried out sequentially according to the following operation steps of a, preparing graphitized coke with different grain diameters and 23-24 modified mid-temperature coal pitch according to the weight proportion parts; b, adding the graphitized coke into a mixing kneading pot with the temperature of 160-180 DEG C, preheating, dry-mixing and stirring for 30min for standby use, heating the modified mid-temperature coal pitch to be 170-180 DEG C in another container, adding the heated modified mid-temperature coal pitch into the mixing kneading pot, and then continuously mixing, kneading and stirring for 40min to prepare paste materials; c, operating to control the temperature of a pressure die to increase to be 145-150 DEG C, filling the paste materials into the die, starting to pressurize, maintaining pressure for 3min after the pressure is increased to be 10-11MP, and depanning to prepare a blank after cooling pitching; d, filling batch of blanks into a roasting furnace, increasing the roasting temperature to be 1220-1250 DEG C, keeping for 24h, then naturally cooling to be under 100 DEG C, and discharging to prepare the finished product. The manufacturing method of the graphite crucible special for high-temperature purifying the negative electrode materials has the characteristics of high production efficiency, less material waste, low manufacturing cost and the like.
Manufacturing method of graphite crucible special for high-temperature purifying negative electrode materials
LIU SHULIN (Autor:in) / LIU YANG (Autor:in) / FAN QINGFEI (Autor:in) / LIU HU (Autor:in) / FENG LEI (Autor:in)
06.01.2016
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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