Ti 3 C 2 MXene-Derived Sodium/Potassium Titanate Nanoribbons for High-Performance Sodium/Potassium Ion Batteries with Enhanced Capacities
University of Chinese Academy of Sciences · Chinese Academy of Sciences · +1 more institution
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Abstract
Sodium and potassium ion batteries hold promise for next-generation energy storage systems due to their rich abundance and low cost, but are facing great challenges in optimum electrode materials for actual applications. Here, ultrathin nanoribbons of sodium titanate (M-NTO, NaTi1.5O8.3) and potassium titanate (M-KTO, K2Ti4O9) were successfully synthesized by a simultaneous oxidation and alkalization process of Ti3C2 MXene. Benefiting from the suitable interlayer spacing (0.90 nm for M-NTO, 0.93 nm for M-KTO), ultrathin thickness (
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8Topics & keywords
Topics
Keywords
- Materials science
- Potassium
- Sodium
- Chemical engineering
- Titanate
- Ion
- Supercapacitor
- Electrode
UN Sustainable Development Goals
- Affordable and clean energy
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