1results about How to "High theoretical capacity" patented technology

The application discloses an aluminum ion battery positive electrode material and a preparation method and application thereof. x Al y MnO2.nH2O, wherein, 0<=x<=0.3, 1 / 3<=y<2 / 3, 0<=n<=2, and x and n are not 0 at the same time; the preparation method comprises the following steps: mixing an aluminum salt solution and a precursor K z MnO2.mH2O, performing a heating reaction, and obtaining the aluminum ion positive electrode material through heat treatment of a reaction product. The aluminum ion battery positive electrode material has the advantages of high specific capacity, excellent cycle performance and rate performance, low cost, and the like, is beneficial to promoting commercial application of the aluminum ion battery, and has a very wide application prospect.