Views: 2 Author: Site Editor Publish Time: 2020-04-15 Origin: Site
N-methyl-2-pyrrolidone (NMP), cas 872-50-4, is an important solvent that is widely used in the lithium-ion battery industry. The following are the applications of NMP in the lithium battery industry.
Preparation of cathode materials: NMP solvent is used to prepare cathode materials for lithium-ion batteries, such as ternary materials (e.g. LCO, NMC, NCA, etc.) and lithium cobaltate (LCO). The preparation of cathode materials requires the use of high-temperature heat treatment. NMP can stably dissolve metal ions and organic acid roots at high temperatures while maintaining high solvent polarity to improve the performance and stability of cathode materials.
Preparation of electrolyte: NMP can be used as a polar solvent for the preparation of electrolyte for lithium-ion batteries. By mixing with polymer electrolyte and lithium salt (such as LiPF6, LiClO4, etc.), electrolyte with high conductivity and high stability can be prepared. Meanwhile, NMP can effectively remove water and other impurities during the preparation process to improve the purity and stability of the electrolyte.
Preparation of anode materials: NMP can be used as a solvent for the preparation of anode materials for lithium-ion batteries, such as graphite, silicon, etc. The preparation of negative electrode materials requires the use of high-temperature heat treatment. NMP can stably dissolve metal ions and organic acid roots at high temperatures while maintaining high solvent polarity to improve the performance and stability of negative electrode materials.
In conclusion, NMP has a wide application prospect in the lithium-ion battery industry and can be used to prepare positive and negative electrode materials and electrolytes for lithium-ion batteries to improve the performance and stability of batteries and provide more efficient, environmentally friendly and sustainable solutions for new energy vehicles, smartphones, laptops and other fields.