![Author ORCID: We display the ORCID iD icon alongside authors names on our website to acknowledge that the ORCiD has been authenticated when entered by the user. To view the users ORCiD record click the icon. [opens in a new tab]](https://chemrxiv.org/engage/assets/public/chemrxiv/images/logos/orcid.png)
Abstract
Fluoride-Ion-Batteries are a promising battery technology to achieve high energy densities exceeding those of traditional lithium-ion batteries. Reports on intercalation-based electrode materials for Fluoride-Ion-Batteries have mostly focused on cathode materials, while only a few intercalation-based anode materials have been reported. Their performance was heavily affected by carbon-based reductive side reactions, limiting reversibility and introducing high overpotentials. In this study, we present the successful substitution of carbon by metallic copper in solid-state FIBs, enabling the use of La2NiO3F2, Pr2NiO3F2, Sr2TiO3F2 and Sr3Ti2O5F4 as intercalation-based anode materials by avoiding parasitic side reactions associated with the conductive carbon additive.
Supplementary materials
Title
Supplementary Information
Description
The supplementary information contains XRD patterns of the strontium-titanate-based anode
composites after ball-milling with La0.9Ba0.1F2.9, ionic conductivity of Ca0.5Ba0.5F2 and
La0.9Ba0.1F2.9, cycling data of La0.9Ba0.1F2.9-Cu || Pb-PbF2 and Ca0.5Ba0.5F2-Cu || Pb-PbF2
without active material, a cross-section SEM image of a La2NiO3F2-Cu || Pb-PbF2 cell, linear
scan voltammetry of La0.9Ba0.1F2.9, individual refinements of Sr2TiO3F2 and Sr3Ti2O5F2 after
stepwise electrochemical defluorination, conductivity of La2NiO3F2 and Sr2TiO3F2, cycling data
of La2NiO3F2 free of side reactions, an XRD pattern of the Sr2TiO3F2/Sr3Ti2O5F4-Cu || Pb-PbF2
cells after cycling, cycling data and XRD patterns in the charged and discharged state of
Pr2NiO3F2-Cu || Pb-PbF2 cells.
Actions
