Ionic transport critically dictates the performance of the batteries. Here, we proposed an anion anchoring strategy for enhancing Na+ transport kinetics that was based on introducing a separator with a positive surface potential. Besides, we developed a nuclear magnetic resonance-assisted Hittorf approach to address the limitation of the traditional Bruce-Vincent approach itself in order to accurately quantify the migration dynamics of anions on the time scale. Results indicate that this strategy effectively anchors free anions and increases the proportion of solvent-separated ion pairs in the bulk, reduces the cation transfer energy barrier at the anode, and mitigates parasitic reactions at the cathode. The symmetric Na||Na cells efficiently operate over 1600 h, and the Na||Na3V2(PO4)3 cells show stable cycling performance under limited Na excess and lean electrolyte conditions. The assembled HC||Na3V2(PO4)3 pouch cells achieve an energy density of up to 225.7 W h kg-1. Our strategy offers a new option for high-energy and long-cycle sodium-ion batteries.
This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 05 March 2025.
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#18,483,969
of 27,876,083 outputs
Outputs from Journal of the American Chemical Society
#63,442
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Outputs of similar age
#72,694
of 161,140 outputs
Outputs of similar age from Journal of the American Chemical Society
#363
of 522 outputs
Altmetric has tracked 27,876,083 research outputs across all sources so far. This one is in the 33rd percentile – i.e., 33% of other outputs scored the same or lower than it.
So far Altmetric has tracked 71,378 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.4. This one is in the 10th percentile – i.e., 10% of its peers scored the same or lower than it.
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We're also able to compare this research output to 522 others from the same source and published within six weeks on either side of this one. This one is in the 29th percentile – i.e., 29% of its contemporaries scored the same or lower than it.
