Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING SAME
Presented is a method for producing a negative electrode active material which has a high discharge capacity, a high charge-discharge efficiency, and excellent high-output characteristics, and which experiences only a small volume change during charging/discharging. A method for producing a negative electrode active material for a lithium secondary battery according to an embodiment of the presentinvention comprises: a step for producing primary particles by crushing a carbon raw material containing 4 to 10 wt% of volatile components; a step for producing secondary particles by mixing the primary particles with a binder; and a step for producing a graphite material by graphitizing the secondary particles.
本发明公开一种放电容量高、充放电效率高以及高输出特性优异且充放电过程中体积变化小的负极活性材料的制备方法。根据本发明的一个实施方案的锂二次电池负极活性材料的制备方法包含：将碳原料粉碎以制备一次颗粒的步骤，所述碳原料包含4重量％至10重量％的挥发分；将一次颗粒与粘合剂进行混合以制备二次颗粒的步骤；以及对二次颗粒进行石墨化以制备石墨材料的步骤。
METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING SAME
Presented is a method for producing a negative electrode active material which has a high discharge capacity, a high charge-discharge efficiency, and excellent high-output characteristics, and which experiences only a small volume change during charging/discharging. A method for producing a negative electrode active material for a lithium secondary battery according to an embodiment of the presentinvention comprises: a step for producing primary particles by crushing a carbon raw material containing 4 to 10 wt% of volatile components; a step for producing secondary particles by mixing the primary particles with a binder; and a step for producing a graphite material by graphitizing the secondary particles.
本发明公开一种放电容量高、充放电效率高以及高输出特性优异且充放电过程中体积变化小的负极活性材料的制备方法。根据本发明的一个实施方案的锂二次电池负极活性材料的制备方法包含：将碳原料粉碎以制备一次颗粒的步骤，所述碳原料包含4重量％至10重量％的挥发分；将一次颗粒与粘合剂进行混合以制备二次颗粒的步骤；以及对二次颗粒进行石墨化以制备石墨材料的步骤。
METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING SAME
负极活性材料的制备方法及包含它的锂二次电池
AN JUNG-CHUL (Autor:in) / PARK SEI MIN (Autor:in) / LEE JAE EUN (Autor:in) / KIM BYOUNG JU (Autor:in) / YOU SEUNG JAE (Autor:in) / KIM HYOUNG GEUN (Autor:in) / LEE SANG EUN (Autor:in) / LEE CHAN WOO (Autor:in) / JO HYUN-CHUL (Autor:in) / KIM MYUNG KI (Autor:in)
02.06.2020
Patent
Elektronische Ressource
Chinesisch
| Europäisches Patentamt | 2020
| Europäisches Patentamt | 2019
| Europäisches Patentamt | 2020
| Europäisches Patentamt | 2017
| Europäisches Patentamt | 2015