DataVXACS Energy LettersPaper
journal article·2026-01-09Open access

A Leap toward Quasi-Solid-State Chloride-Ion Batteries with Metal–Organic Frameworks

Valentino G. Martello, Alessandro Piovano, Matteo Bonomo, Mircea Dincă, Silvia Bordiga, Claudio Gerbaldi

ACS Energy Letters· Volume 11· Issue 1
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Source abstract

Abstract

High Resolution Image Download MS PowerPoint Slide The development of solid-state electrolytes is a major focus in energy storage, offering improvements in both safety and performance. In chloride-ion batteries (CIBs), where electrode dissolution in liquid electrolytes remains a critical challenge, solid-state alternatives are especially attractive. Herein, we demonstrate for the first time the suitability of a metal–organic framework (MOF) as a quasi-solid-state single-ion electrolyte for CIBs. The cationic Al-based MOF MIP-213 ([Al 18 (μ 2 -OH) 24 (OH 2 ) 12 (mdip) 6 ]6Cl·6H 2 O) exhibits a chloride ion conductivity of 1.1 × 10 –6 S cm –1 at 25 °C, is nonflammable, electrochemically stable up to 4.2 V vs Li + /Li, and enables single-ion transport in a Li|MIP-213|FeOCl full cell over 100 cycles with Coulombic efficiency > 90%, while maintaining structural integrity. Although further optimization of the CIB components will be needed to enable cycling at higher current regimes and approach practical application, these findings establish MOFs as promising platforms for designing stable and efficient quasi-solid-state batteries.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage

OpenAlex topics: Inorganic Fluorides and Related Compounds · Thermal Expansion and Ionic Conductivity · Molten salt chemistry and electrochemical processes

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

Affiliations

University School for Advanced Studies, IUSS Pavia, Palazzo del Broletto, Piazza della Vittoria 15, I-27100, Pavia, Italy

University of Torino, Department of Chemistry, NIS Interdepartmental Centre and INSTM Reference Centre, Via Quarello 15a, 10135, Turin, Italy

National Reference Centre for Electrochemical Energy Storage (GISEL)−INSTM, Via Giusti 9, 50121, Firenze, Italy

GAME Lab, Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129, Torino, Italy

Department of Basic and Applied Sciences for Engineering (SBAI), Sapienza, University of Rome, Via Del Castro Laurenziano 7, 00161, Roma, Italy

Department of Chemistry and Department of Chemical Engineering

Massachusetts Institute of Technology

Funding

U.S. Department of State · Fondazione Centro Studi Enel · Ministero dell'Universit? e della Ricerca · NextGenerationEU · Italian-American Fulbright Commission

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