Preparation and application of a niobium-titanium two-dimensional transition metal carbide
By preparing niobium titanium two-dimensional transition metal carbides and using high-temperature sintering and etching intercalation technology, the problem of low magnification performance of existing niobium MXene materials is solved, and the capacitance retention rate is significantly improved. It is suitable for a variety of high-efficiency batteries and electrocatalytic applications.
CN119774612APending Publication Date: 2025-04-08WUXI MAIXIN NANO TECH CO LTD
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Patent Information
- Application Number
- CN202411924398.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-04-08
AI Technical Summary
Technical Problem
When used as a supercapacitor electrode material, the existing niobium MXene material has low rate performance and is difficult to meet the needs of high-performance batteries.
Method used
By preparing niobium titanium two-dimensional transition metal carbide (Nb1-yTiy) 4C3Tx, a MAX phase solid solution was prepared by high-temperature sintering method, and two-dimensional transition metal carbides were obtained through etching and intercalation technology.
Benefits of technology
It significantly improves the rate performance of niobium titanium transition metal carbides, making it show higher capacitance retention in the field of supercapacitors, and is suitable for supercapacitors, lithium-ion batteries, electromagnetic shielding and electrocatalysis.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention discloses a preparation and application of a niobium-titanium two-dimensional transition metal carbide, belonging to the technical field of two-dimensional materials. The present invention prepares (Nb 1‑y Ti y )4AlC3MAX phase solid solution, which was then crushed, etched and intercalated to obtain niobium-titanium two-dimensional transition metal carbide (Nb 1‑y Ti y )4C3T x , where 0 <y≤0.4,T x As the surface end group, the obtained niobium-titanium two-dimensional transition metal carbide has excellent rate performance.
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