A method for preparing copper-doped polymer self-assembled nanoparticles and nanoparticles prepared thereby
By preparing copper-doped polymer self-assembled nanoparticles and utilizing the coordination effect between copper ions and ammonia, the problem of low ammonia storage capacity was solved, achieving efficient and stable ammonia storage and release, which has broad application prospects.
CN119842084BActive Publication Date: 2026-06-09DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES
- Filing Date
- 2023-10-16
- Publication Date
- 2026-06-09
AI Technical Summary
Technical Problem
The storage and release of ammonia in existing technologies presents difficulties, especially the low storage capacity and irreversible absorption of ammonia.
Method used
By preparing copper-doped polymer self-assembled nanoparticles, a copper-ammonia composite structure is formed by the coordination of copper ions with ammonia. Combined with non-covalent self-assembly technology, efficient storage and release of ammonia can be achieved.
Benefits of technology
The method achieves efficient ammonia storage performance of copper-doped polymer self-assembled nanoparticles, with good structural stability, high ammonia adsorption-desorption cycle stability, long lifetime, and simple and low-cost preparation method.
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Abstract
The application discloses a preparation method of copper-doped polymer self-assembled nanoparticles and the nanoparticles prepared by the method. The method comprises the following steps: mixing raw materials containing a solvent A, a copper salt and a non-conjugated polyimide, adding a solvent B, filtering and drying the obtained precipitate, and obtaining the copper-doped polymer self-assembled nanoparticles. The preparation method is simple, low in cost, short in period and high in yield; the copper-doped polymer self-assembled nanoparticles are stable in structure, good in cyclic stability of ammonia adsorption and desorption, and long in service life.
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