🔋 Breaking the High-Voltage Limit of Na2CO3 Presodiation: An Interfacial Engineering Approach to Ampere-Hour Sodium-Ion Devices
📝 مهندسی بینسطحی، پتانسیل تجزیه Na2CO3 را ۳۵۰ میلیولت کاهش داده و چگالی انرژی باتری سدیم-یونی آمپرساعت را ۲۲.۴٪ افزایش میدهد.
📚 Journal: ACS Nano #ACSNano
📅 Date: 2026-10-14
🔬 Research Article
💡 Novelty & Significance:
This work breaks Na2CO3's high-voltage presodiation limit via in situ interfacial oxygen vacancies and electronic reconstruction, cutting decomposition potential by 350 mV. It enables 496.9 mAh g–1 Na+ release, avoids parasitic reactions, and boosts energy density 117.4% in full cells and 22.4% in 1.5 Ah pouch cells, offering a scalable route to high-energy sodium-ion devices.
🔗 10.1021/acsnano.6c11812
🏷 Na2CO3 presodiation · sodium-ion capacitor · interfacial engineering · oxygen vacancies · energy density
Post #15265
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