Preparation method of lithium manganese phosphate carbon lithium ion battery positive electrode material

• Main Authors: QI HONGYUN, FENG YUAN, DONG YONGFENG, JIA QIURONG
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention discloses a preparation method of a lithium manganese phosphate carbon lithium ion battery positive electrode material, and the LiMnPO4/C lithium ion battery positive electrode material prepared by the method has good cycle efficiency, smaller charge transfer resistance and better conductivity, so that the energy density of the lithium ion battery positive electrode material is effectively improved, and the service life of the lithium ion battery positive electrode material is prolonged. The problems of capacity fading, low conductivity and the like when the LiMnPO4 is applied to the positive electrode material of the lithium ion battery at present are effectively solved. 本发明公开了一种磷酸锰锂碳锂离子电池正极材料的制备方法，本发明所制备LiMnPO4/C锂离子电池正极材料，具有良好的循环效率和更小的电荷转移阻力，电导率更好，从而有效地提高了锂离子电池正极材料的能量密度，有效解决了目前LiMnPO4应用在锂离子电池正极材料时所面临的容量衰减及低电导率等问题。