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Universal architecture and defect engineering dual strategy for hierar by Jiawei Wu, Gaoyu Wang et al

Antimony (Sb)-based anode materials are feasible candidates for sodium-ion batteries (SIBs) due to their high theoretical specific capacity and excellent electrical conductivity. However, they still suffer from volume distortion, structural collapse, and ionic conduction interruption upon cycling. Herein, a hierarchical array-like nanofiber structure was designed to address these limitations by combining architecture engineering and anion tuning strategy, in which SbPO4−x with oxygen vacancy nanosheet arrays are anchored on the surface of interwoven carbon nanofibers (SbPO4−x@CNFs). In particular, bulky PO43− anions mitigate the large volume distortion and generate Na3PO4 with high ionic conductivity, collectively improving cyclic stability and ionic transport efficiency. The abundant oxygen vacancies substantially boost the intrinsic electronic conductivity of SbPO4, further accelerating the reaction dynamics. In addition, hierarchical fibrous structures provide abundant active

NetNewsLedger - Could Sodium Ion Batteries be a Safer Alternative to Lithium Ion Batteries?

Could Sodium Ion Batteries be a Safer Alternative to Lithium Ion Batteries? After a fire on the TTC many are wondering what alternatives

Sodium-Ion Batteries: The Future of Sustainable Energy Storage

Lithium-ion batteries (LIBs) have become essential for energy storage systems. However, limited availability of lithium has raised concerns about the sustainability of LIBs. In a new study, scientists from Dongguk University reviewed the recent advances in sodium-ion battery technology, a potential alternative to LIBs.

Mint Explainer: Why India needs to look for new battery minerals other than lithium

India is looking for diversification of lithium sourcing and exploring domestic reserves, and at the same time the government is also scouting for alternative minerals and chemistries to fulfil the growing demand.

Chinese Carmakers Launch Sodium-Ion Battery-Powered EVs

Chinese carmakers, including Volkswagen-backed JAC Group, have launched electric vehicles powered by sodium-ion batteries, offering a cheaper and abundant alternative to traditional lithium-ion batteries.

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