Bimetal nano hydroxide and oxide compound based on metal-organic framework and application of bimetal nano hydroxide and oxide compound in supercapacitor

A bimetallic nano, organic framework technology, applied in hybrid capacitor electrodes, hybrid/electric double layer capacitor manufacturing, nanotechnology for materials and surface science, etc., can solve the preparation of metal oxide and metal hydroxide composite materials Difficulties and other problems, to achieve the effect of enriching electrolyte ion diffusion channels, high capacitance performance, and increasing specific surface area
CN110444413AActive Publication Date: 2019-11-12QINGDAO UNIV OF SCI & TECH
5 Cites 9 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
QINGDAO UNIV OF SCI & TECH
Publication Date
2019-11-12

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a preparation method of bimetal nano hydroxide and oxide with a hollow nano cage structure based on a metal-organic framework and a performance of a supercapacitor made of the bimetal nano hydroxide and oxide, and belongs to the technical field of new materials. The method comprises the steps: carrying out metal nitrate treatment on prepared ZIF-67, and further carrying outhypophosphite treatment to obtain the target product. The method is simple and convenient to operate, and high energy consumption caused by pyrolysis and other methods is avoided. In addition, the method can well control the morphology of a nano material to improve the capacity of a capacitor. According to the method, common MOFs are used as precursors to synthesize a bimetal nano hydroxide and oxide compound with specific nano morphology, and the synthesized nano material is applied to a capacitor electrode material, so that the method is further put into actual industrial production.
Need to check novelty before this filing date? Find Prior Art

Description

【Technical field】

[0001] The invention belongs to the technical field of new materials, and in particular relates to a metal-organic framework-based bimetallic nanometer hydroxide and oxide composite and its application in supercapacitors. 【Background technique】

[0002] Metal-organic frameworks (Metal-organic Frameworks, MOFs) are a class of crystalline porous materials constructed by the self-assembly of metal ions and organic ligands. , so in recent years it has shown great application prospects in the field of electrode materials for capacitors. Transition metal oxides, hydroxides, and their composites derived from MOFs are widely used as electrode materials for capacitors based on their excellent performance in energy. In terms of electrochemical energy storage, metal hydroxides have high specific capacity, but the cycle stability is not strong, while metal oxides have good cycle stability, which can make up for the defects of metal hydroxides. Therefore, metal hydroxi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More