DataVXACS Applied Energy MaterialsPaper
journal article·2020-02-24Open access

Lithium Metal Protection by a Cross-Linked Polymer Ionic Liquid and Its Application in Lithium Battery

C. Andrea Calderón, Alen Vizintin, Jernej Bobnar, Daniel E. Barraco, Ezequiel P.M. Leiva, Arnaldo Visintin, Sébastien Fantini, Florent Fischer, Robert Dominko

ACS Applied Energy Materials· Volume 3· Issue 2
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Source abstract

Abstract

Lithium (Li) metal has been considered as an important anode candidate to reach more powerful energy storage devices with higher gravimetric and volumetric capacities. Nevertheless, the growth of high surface area lithium (HSAL) and dendrites during the stripping/deposition of Li causes safety concerns and a low cycle life of Li metal batteries. Here, we report the obtained results for protection of metallic lithium surface by using a gel polymer ionic liquid cross-linked by activation with UV radiation (UV-PIL). The UV-PIL protects Li against the constant degradation caused by the formation of unstable lithium metal–electrolyte interphase and cell dry out due to continuous electrolyte consumption. We observed retarded growth of dendrites when lithium metal was protected with UV-PIL, and due to the lower ionic conductivity of UV-PIL, some differences of mass transport are present compared to carbonate-based liquid electrolyte. Nevertheless, the UV-PIL@Li negative electrode was successfully applied in a Li-ion battery with a lithium iron phosphate (LFP) positive electrode, showing similar behavior compared to the bare Li surface.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storagePolymersMaterials processing

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

Instituto de Fı́sica Enrique Gaviola (IFEG), CCT Córdoba-CONICET, Facultad de Matemática, Astronomı́a, Fı́sica y Computación, Universidad Nacional de Córdoba (UNC), Av. Medina Allende s/n, Ciudad Universitaria, 5000 Córdoba, Argentina

National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia

Instituto de Investigaciones en Fisico-quimica de Córdoba (INFIQC) CCT Córdoba-CONICET, Facultad de Ciencias Quı́micas, Universidad Nacional de Córdoba (UNC), Haya de la Torre y Av. Medina Allende, Ciudad Universitaria, 5000 Córdoba, Argentina

Instituto de Investigaciones Fisicoquı́micas Teóricas y Aplicadas (INIFTA), Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), CCT La Plata-CONICET, 1900 La Plata, Argentina

Solvionic, 195 route d’Espagne, BP1169, Toulouse 31036, Cedex 1, France

SAFT, Research & Technology, 111 boulevard Alfred Daney, 33074 Bordeaux, France

University of Ljubljana, Faculty of Chemistry and Chemical Technology, Večna pot 113, SI-1001 Ljubljana, Slovenia

ALISTORE—European Research Institute, 33 rue Saint-Leu, Amiens, 80039 Cedex, France

Funding

Javna Agencija za Raziskovalno Dejavnost RS · Consejo Nacional de Investigaciones Cient?ficas y T?cnicas · Horizon 2020 Framework Programme

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