An alkaline secondary battery cathode material based on a sulfidic layered hydroxide and a method for preparing the same
By using a composite cathode material of manganese dioxide and layered hydroxide sulfide, the problems of low conductivity and poor structural stability of zinc-manganese alkaline secondary battery cathode materials were solved, resulting in higher discharge capacity and better cycle stability.
CN117673290BActive Publication Date: 2026-06-16HENAN NORMAL UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HENAN NORMAL UNIV
- Filing Date
- 2022-08-31
- Publication Date
- 2026-06-16
Smart Images
Figure GDA0003930307330000061 
Figure GDA0003930307330000071
Abstract
The application discloses a kind of based on sulfidation layered hydroxide's alkaline secondary battery positive electrode material and preparation method thereof, belong to alkaline secondary battery technical field.The technical scheme of the present application is as follows: a kind of based on sulfidation layered hydroxide's alkaline secondary battery positive electrode material, by manganese dioxide and sulfidation layered hydroxide composite positive electrode material is formed, or by manganese dioxide, conductive material and layered hydroxide or sulfidation layered hydroxide or layered hydroxyl oxide composite positive electrode material is formed.The preparation method of the positive electrode material for the alkaline secondary battery is also specifically disclosed in the present application.The composite positive electrode material prepared in the present application has the advantages of high discharge platform, high gram capacity and good cycle stability compared with traditional manganese electrode, significantly improves the cycle stability and reversibility of alkaline secondary battery, and improves its cycle service life.
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