Advanced Electrode Materials and Interfaces for Next-Generation Solid-State Batteries
A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Electrochemistry".
Deadline for manuscript submissions: 30 June 2026 | Viewed by 10
Special Issue Editor
Interests: solid state devices; quantum devices; new devices with ferroelectrics new devices with topologic insulators batteries; transistors
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Solid-state batteries (SSBs) promise higher energy density and improved safety by pairing Li/Na metal anodes with inorganic solid electrolytes (sulfides, oxides, halides). Their performance is now limited less by bulk transport than by electrode–electrolyte interfaces, where space-charge layers, chemical reactivity, and mechanical mismatch drive impedance growth, dendrite initiation, and capacity fade. On the cathode side, composite architectures that integrate high-voltage layered oxides or polyanionic frameworks with ionically percolating binders and nanoscale interphases (e.g., LiNbO3, Li3PO4, LiTaO3) suppress parasitic redox and enable thick, high-loading electrodes. On the anode side, anode-free and ultra-thin metal designs rely on lithiophilic/ sodiophilic seeds, elastic/ionic interlayers, and stack-pressure management to achieve uniform plating/stripping below the electrolyte’s critical current density. Halide conductors offer wide electrochemical windows and better cathode compatibility; sulfides deliver high conductivity but need oxygen/moisture-robust coatings; garnet and NASICON oxides excel in stability yet demand interface wetting solutions. Cross-cutting strategies—chemical potential matching, artificial SEIs, graded interphases, and stress-tolerant microstructures—are unlocking low-temperature processing and fast-cycle operation. Looking ahead, coupling interfacial spectroscopy/operando imaging with predictive modeling (defect chemistry, chemo-mechanics) will guide scalable manufacturing of thick-electrode, high-voltage, anode-free SSBs for EV and grid storage, including Na-ion variants using earth-abundant chemistries.
Dr. Helena Braga
Guest Editor
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Keywords
- all-solid-state batteries
- interfaces
- electrodes
- lithium
- sodium
- sulfides
- oxides
- halides
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