What question did this study set out to answer?

To review cathode design strategies, structural parameters, and engineering methods required to achieve high volumetric energy density in practical lithium-sulfur batteries.

December 28, 2020Advanced Materials

Strategy of Enhancing the Volumetric Energy Density for Lithium–Sulfur Batteries

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To review cathode design strategies, structural parameters, and engineering methods required to achieve high volumetric energy density in practical lithium-sulfur batteries.
Modeled key design parameters including negative-to-positive electrode capacity ratio, cathode structure, and electrolyte-to-sulfur ratio targeting 700 Wh L⁻¹ and 500 Wh kg⁻¹.
Surveyed coin and pouch cell configurations evaluating sulfur loading, catalytic hosts, and manufacturing techniques like calendering and dry electrode coating.
Proposed the 'Three High One Low' (THOL) framework—high sulfur fraction, high sulfur loading, high host density, and low electrolyte quantity—to simultaneously optimize volumetric and gravimetric density.
Identified calendering and dry electrode coating as effective processing techniques to tune cathode porosity and significantly increase volumetric capacity without compromising electroactivity.

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Implication

Review outlines cathode engineering strategies in lithium-sulfur batteries, highlighting pathway requirements to achieve high volumetric and gravimetric energy densities.

Cite This Study

Liu et al. (2020) studied this question.

synapsesocial.com/papers/69de5795726bee048db0bd77 https://doi.org/10.1002/adma.202003955

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Implication

Review outlines cathode engineering strategies in lithium-sulfur batteries, highlighting pathway requirements to achieve high volumetric and gravimetric energy densities.

Strategy of Enhancing the Volumetric Energy Density for Lithium–Sulfur Batteries

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Discussion

Implication

Cite This Study

Strategy of Enhancing the Volumetric Energy Density for Lithium–Sulfur Batteries

Key Points

Discussion

Implication

Cite This Study

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