| abstract |
The invention provides a preparation method of KLi 3 Fe(C 2 O 4 ) 3 , a battery positive electrode active material, a battery and electrical equipment, and relates to the technical field of battery positive electrode materials. KLi 3 Fe(C 2 O 4 ) 3 is in The application in the lithium ion battery or the positive electrode active material of the potassium ion battery, the preparation method includes the following steps: solvothermal reaction of potassium source, lithium source, iron source and oxalic acid source to obtain KLi 3 Fe(C 2 O 4 ) 3 , The technical problem of unsatisfactory chemical properties of the existing positive electrode active material of potassium ion battery is alleviated. The KLi 3 Fe(C 2 O 4 ) provided by the present invention contains both Li and K, which can be applied to the positive electrode active material of lithium ion battery, and can also be used as a positive electrode active material. Applied to the positive electrode active material of potassium ion battery, it has good capacity and cycle performance in both batteries, thereby effectively improving the chemical performance of both batteries. |