Publication

Interplay between conductivity, matrix relaxations and co,position of Ca-Polyoxyethylene polymer Electrolytes Autors: Gioele Pagot, Keti Vezzù, Cynthia Susana Martinez-Cisneros, Claire Antonelli, Belen Levenfeld, Alejandro Varez, Jean-Yves Sanchez and Vito Di Noto Summary: In this report, the conductivity mechanism of Ca2+-ion in polyoxyethylene (POE) solid polymer electrolytes (SPEs) for calcium secondary batteries is investigated by broadbandContinue reading “Publication”

Publication

Opening the door to liquid-free polymer electrolytes for calcium batteries Autors: C.S. Martinez Cisneros, A. Fernandez, C. Antonelli, A. Varez, K. Vezzù, V. Di Noto, J.-Y. Sanchez Summary: This work studies calcium-conducting, solvent-free polymer electrolytes in the framework of today’s post-lithium battery strategies. The samples consist of three calcium salts: (i) Ca(CF3SO3)2; (ii) Ca(TFSI)2; andContinue reading “Publication”

Publication

Cathode–Electrolyte Interphase in a LiTFSI/Tetraglyme Electrolyte Promoting the Cyclability of V2O5 Autors: Xu Liu, Maider Zarrabeitia, Bingsheng Qin, Giuseppe Antonio Elia and Stefano Passerini. Summary: The use of a LiTFSI/tetraglyme (1:1 in mole ratio) electrolyte yields a highly enhanced cycling ability of V2O5 (from 20% capacity retention to 80% after 100 cycles at 50 mAContinue reading “Publication”

Publication

Operando pH measurements decipher H+/Zn2+ Intercalation chemistry in high-performance aqueous Zn/δ-V2O5 Batteries Autors: Xu Liu, Holger Euchner, Maider Zarrabeitia, Xinpei Gao, Giuseppe Antonio Elia, Axel Groß and Stefano Passerini. Summary: Vanadium oxides have been recognized to be among the most promising positive electrode materials for aqueous zinc metal batteries (AZMBs).To shed light on the intercalationContinue reading “Publication”

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Alkoxy-functionalized ionic liquid electrolytes: understanding ionic coordination of calcium ion speciation for the rational design of calcium electrolytes Autors: Xinpei Gao, Xu Liu, Alessandro Mariani, Giuseppe Antonio Elia,Manuel Lechner, Castern Streb, Stefano Passerini. Summary: In this work of Karlsruhe Institute of Technology (KIT), they report the design of alkoxy-functionalized cations to control Ca-ion speciation inContinue reading “Publication”

Publication

Evaluation of counter and reference electrodes for the investigation of Ca battery materials. Autors: Xu Liu, Giuseppe Antonio Elia, Stefano Passerini Summary: In this work of Karlsruhe Institute of Technology (KIT), they propose an electrochemical cell configuration employing activated carbon as counter and reference electrodes. The feasibility of this cell configuration has been confirmed byContinue reading “Publication”