{
  "abstract": "All-solid-state batteries are promising next-generation energy-storage devices because they can offer improved safety and high energy density. However, their performance depends not only on the intrinsic properties of ion-storage materials (electrode active materials) and ion-conduction materials (solid electrolytes) but also on reactions at the resulting solid–solid interfaces. Accordingly, understanding and controlling these interfaces are critical to achieving high-performance all-solid-state batteries. Here, interfacial phenomena are examined from two complementary perspectives: interface control in practical powder-based all-solid-state batteries and fundamental analysis of interfacial reactions in model thin-film batteries. For practical powder-based systems, sulfide solid electrolytes, including Li7P2S8I, Li6PS5Cl, and Li10GeP2S12, were prepared by liquid-phase synthesis. Combined structural, spectroscopic, and electrochemical analyses showed that the synthesis route altered particle-surface chemistry, grain-boundary ion transport, composite-electrode microstructure, and, consequently, battery performance. Complementary model thin-film batteries were used to isolate and elucidate reactions at well-defined electrode/solid-electrolyte interfaces. Li2MnO3 showed markedly different electrochemical behavior in the all-solid-state configuration than in conventional liquid-electrolyte cells. Synchrotron in situ X-ray diffraction resolved the structural evolution accompanying reversible charge–discharge reactions, whereas operando hard X-ray photoelectron spectroscopy revealed reversible oxygen redox together with dynamic evolution of the electronic structure and band alignment during battery operation. Together, these results establish a framework that connects interface design in practical battery systems with mechanistic understanding of interfacial reactions derived from model systems. This interface-centered approach provides a basis for the rational design of higher-performance all-solid-state energy-storage devices.",
  "abstract_shown": true,
  "affiliations": [
    "Department of Applied Chemistry for Environment, Faculty of Urban Environmental Sciences, Tokyo Metropolitan University"
  ],
  "article_type": null,
  "arxiv": null,
  "author_total": 1,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Kazuhiro HIKIMA",
      "orcid": "0000-0001-5714-4652"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/8wppw81jybvcr.bib",
  "cited_by": 0,
  "doi": "10.5796/electrochemistry.26-00079",
  "fulltext_url": "https://www.jstage.jst.go.jp/article/electrochemistry/94/10/94_26-00079/_html/-char/en",
  "id": "8wppw81jybvcr",
  "issns": [
    "2186-2451"
  ],
  "landing_url": "https://doi.org/10.5796/electrochemistry.26-00079",
  "language": "en",
  "licence": "CC-BY",
  "licence_label": "CC BY",
  "licence_source": "journal",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "lcc",
      "QD450-801"
    ],
    [
      "lcc",
      "T"
    ],
    [
      "openalex",
      "2208|Advanced Battery Materials and Technologies"
    ]
  ],
  "openalex": "W7214346734",
  "pdf_url": "https://www.jstage.jst.go.jp/article/electrochemistry/advpub/0/advpub_26-00079/_pdf",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-30",
  "publisher": "The Electrochemical Society of Japan",
  "ris": "https://research.draconitic.com/paper/8wppw81jybvcr.ris",
  "sources": [
    {
      "first_seen": "2026-10-31T14:22:48Z",
      "native_id": "0ee61bbf96884f738a7c973a7a9582a6",
      "source": "doaj",
      "url": "https://doi.org/10.5796/electrochemistry.26-00079"
    }
  ],
  "subjects": [
    {
      "field": "chemistry",
      "origin": "lcc:QD450-801",
      "subfield": "physical"
    }
  ],
  "title": "Enhancing the Performance of All-Solid-State Energy Storage Devices via Interfacial Reaction Analysis of Ion Storage and Ion Conduction Materials",
  "title_text": "Enhancing the Performance of All-Solid-State Energy Storage Devices via Interfacial Reaction Analysis of Ion Storage and Ion Conduction Materials",
  "type": "peer-reviewed",
  "updated_at": "2026-11-01T14:20:46Z",
  "url": "https://research.draconitic.com/paper/8wppw81jybvcr",
  "venue": "Electrochemistry",
  "versions": []
}