fig11

Electrode-level strategies for high-Ni cathodes in high-energy-density batteries beyond material design

Figure 11. High-energy-density realization through dry electrode fabrication. (A) Schematic of dry electrode and slurry-based cathode fabrication procedures. (B) Plasma focused ion beam (PFIB)-SEM cross-sections of dry coated (left) and slurry-based LNMO (right). (C) 2D modeling results at the end of a discharge at C/3 are displayed with the current density in the solid phase and the state of lithiation reported for the dry coated LNMO (left) and for the slurry-based LNMO (right). (D) Normalized peel-off forces and thickness of peeled-off electrodes from both dry-LNMO and slurry-based LNMO at an areal loading of 3.0 mA h cm-2. Reproduced with permission[104]. Copyright 2023, The Royal Society of Chemistry. (E) Schematic illustration and SEM images of dry electrode depending on 1st pressure during the calendering process. (F) Compaction diagram for the IM and HM cathodes. (G) Specific surface area and electrolyte permeation and (H) Rion and Rct for the IM and HM cathodes, respectively. Reproduced with permission[105]. Copyright 2024, Wiley-VCH.

Energy Materials
ISSN 2770-5900 (Online)
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