What question did this study set out to answer?

To develop a high-capacity, high-rate anode material for sodium-ion batteries by overcoming sluggish sodiation kinetics through engineered pseudocapacitance.

June 30, 2016SHILAP Revista de lepidopterologíaOpen Access

Array of nanosheets render ultrafast and high-capacity Na-ion storage by tunable pseudocapacitance

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To develop a high-capacity, high-rate anode material for sodium-ion batteries by overcoming sluggish sodiation kinetics through engineered pseudocapacitance.
Synthesized ultrathin layered tin(II) sulfide nanoarrays supported on graphene foam scaffolds.
Performed electrochemical kinetics analysis to quantify and verify surface-dominated extrinsic pseudocapacitive contributions across various charge rates.
Achieved a reversible sodium-ion storage capacity of ~1,100 mAh g(-1) at a current density of 30 mA g(-1).
Maintained a high capacity of ~420 mAh g(-1) at an ultrafast discharge rate of 30 A g(-1), exceeding the material's lithium-ion storage performance.
Demonstrated that maximizing surface redox pseudocapacitance significantly enhances reaction kinetics in layered nanomaterials.

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Implication

Materials study demonstrates ultrafast, high-capacity sodium-ion storage in tin(II) sulfide nanosheet arrays, indicating potential for high-power alternatives to lithium-ion batteries.

Cite This Study

Chao et al. (2016) studied this question.

synapsesocial.com/papers/69dab1533bc1ef7225684a3d https://doi.org/10.1038/ncomms12122

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Implication

Materials study demonstrates ultrafast, high-capacity sodium-ion storage in tin(II) sulfide nanosheet arrays, indicating potential for high-power alternatives to lithium-ion batteries.

Array of nanosheets render ultrafast and high-capacity Na-ion storage by tunable pseudocapacitance

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Discussion

Implication

Cite This Study

Array of nanosheets render ultrafast and high-capacity Na-ion storage by tunable pseudocapacitance

Key Points

Discussion

Implication

Cite This Study

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