ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
Carboxyl-Guided Ultrafine Zinc-Acetate Templating Enables Closed-Pore Engineering in Coal-Derived Hard Carbon Anodes for High-Performance Sodium-Ion Batteries.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Carboxyl-Guided Ultrafine Zinc-Acetate Templating Enables Closed-Pore Engineering in Coal-Derived Hard Carbon Anodes for High-Performance Sodium-Ion Batteries.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
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8 authors.
Funding
Abstract
Coal‑derived hard carbon (HC) is an appealing anode for sodium‑ion batteries (SIBs) thanks to its abundance and cost‑effectiveness, yet its practical deployment is hampered by modest capacity and a low initial coulombic efficiency (ICE) stemming from uncontrolled porosity. Here, carboxyl‑mediated chelation chemistry is combined with an ultrafine zinc acetate (ZA) templating (≈2 nm) approach and phenolic‑resin interfacial encapsulation to deliver deterministic closed‑pore engineering in bituminous‑coal HC. NaOH activation generates a carboxyl‑rich surface that homogeneously anchors ZA nanodomains. Resin coating locks these templates at the coal/resin interface, and a sequence of mild oxidation, gradient carbonization, and acid leaching yields a dense network of closed nanocavities. The optimized HC delivers 370.9 mAh g
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