DataVXACS Energy LettersPaper
journal article·2025-04-11

Graded Cathode Design for Enhanced Performance of Sulfide-Based Solid-State Batteries

Eva Schlautmann, Janina Drews, Lukas Ketter, Martin A. Lange, Timo Danner, Arnulf Latz, Wolfgang G. Zeier

ACS Energy Letters· Volume 10· Issue 4
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Source abstract

Abstract

Solid-state batteries present a promising technology to overcome the energy density limitations of lithium-ion batteries. However, achieving a high areal loading in cathodes without introducing significant transport limitations remains a key challenge, particularly in thick electrodes. In this work, we study the impact of a three-layer graded cathode design on the performance of a LiNi 0.83 Co 0.11 Mn 0.06 O 2 (NCM83)/Li 6 PS 5 Cl (LPSCl) composite cathode using a combination of experiments and microstructure-resolved simulations. An increased LPSCl content at the separator and higher NCM83 content toward the current collector improve effective charge transport, resulting in better rate performance and reduced overpotentials at high current densities. This comprehensive experimental and theoretical study demonstrates that the optimization of cathode design has the potential to significantly enhance the performance of solid-state batteries.
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Research context

Energy storageComposites

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

University of Münster, Institute of Inorganic and Analytical Chemistry, Corrensstraße 28/30, 48149 Münster, Germany

German Aerospace Center (DLR), Institute of Engineering Thermodynamics, Wilhelm-Runge-Straße 10, 89081 Ulm, Germany

Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, 89081 Ulm, Germany

International Graduate School of Battery Chemistry, Characterization, Analysis, Recycling and Application (BACCARA)

University of Münster

Helmholtz Institute Münster, Institute of Energy Materials and Devices (IMD-4), Corrensstraße 46, 48149 Münster, Germany

Ulm University (UUlm), Institute of Electrochemistry, Albert-Einstein-Alee 47, 89081 Ulm, Germany

Funding

Bundesministerium f?r Bildung und Forschung · Deutsche Forschungsgemeinschaft

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