In order to get better graphitization effect, it is necessary to do three aspects: 1. Master the method of loading resistance materials and materials into the furnace (there are horizontal loading, vertical loading, dislocation and mixed loading furnace, etc.), and adjust the distance between materials according to the performance of resistance materials; 2. According to the different capacity and product specifications of graphitization furnace, different power curves are used to control the rising and lowering rates in the graphitization process; 3. In specific cases of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC, a catalyst is added to the ingredients to increase the degree of graphitization, that is, "catalytic graphitization".
Coated carbonization is based on PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC removal of iron graphite carbon MATERIAL as the "core", on its surface coated with a uniform layer of amorphous carbon MATERIAL, forming a similar "core-shell" structure of particles. The prebodies of amorphous carbon materials commonly used are phenolic resin, asphalt, citric acid and other low temperature pyrolysis carbon materials.
The amorphous carbon MATERIAL has a larger layer spacing than graphite, which can improve the diffusion performance of LITHIUM ions in the amorphous carbon MATERIAL. This is equivalent to forming a buffer layer on the outer surface of graphite, so as to improve the high-current charging and discharging performance of graphite MATERIAL after iron removal. It can also form a dense SEI film on the surface to improve the first effect and cycle life.
Contact: DELLA
Mob: +86-13929907491
Адрес : No.9, Factory 2, Shijin Industry Park, Shishan Town, Nanhai District, Foshan City, Guangdong, China
Тел. : +86 -13929907491
Эл. адрес : sales@ptmsmagnet.com
Веб-сайт : https://www.dellamagnet.com