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With the limited resources and high cost of lithium‐ion batteries (LIBs) and the ever‐increasing market demands, sodium‐ion batteries (SIBs) gain much interest due to their economical sustainability, and similar chemistry and manufacturing processes to LIBs. As cathodes play a vital role in determining the energy density of SIBs, Mn‐based layered oxides are promising cathodes due to their low cost,...
New‐fashioned electrode hosts for sodium‐ion batteries (SIBs) are elaborately engineered to involve multifunctional active components that can synergistically conquer the critical issues of severe volume deformation and sluggish reaction kinetics of electrodes toward immensely enhanced battery performance. Herein, it is first reported that single‐phase CoPS, a new metal phosphosulfide for SIBs, in...
P2‐type sodium‐manganese‐based layered cathodes, owing to their high capacity from both cationic and anionic redox, are a potential candidate for Na‐ion batteries (NIBs) to replace Li‐ion technology in certain applications. Still, the structure instability originating from irreversible oxygen redox at high voltage remains a challenge. Here, a high sustainability cobalt‐free P2‐Na0.72Mn0.75Li0.24X0.01...
Cellulose is a promising natural bio‐macromolecule due to its abundance, renewability and low cost. Here, a new method is developed to prepare pre‐sodiated carbonaceous anodes for sodium‐ion batteries (SIBs) from cellulose nanofibers (CNFs) under microwave irradiation for potential ultrafast and large‐scale manufacturing. While direct carbonization of CNFs through microwave treatment is usually impossible...
In article number 1901724, Jia Huang and co‐workers design a facile and fast method for preparing carbonaceous anode from natural cellulose nanofibers with the graphene initiator by microwave irradiation. The graphene and the microwave‐carbonized cellulose nanofibers provide a smooth channel for both electrons and ion transportation, which deliver excellent sodium storage performance.
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