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Tailored Silicon/Carbon Compounds for Printed Li–Ion Anodes

Sukkurji, Parvathy Anitha 1; Issac, Ibrahim 1; Singaraju, Surya Abhishek 1; Velasco, Leonardo; Hagmann, Jasmin Aghassi 1; Bessler, Wolfgang; Hahn, Horst 1; Botros, Miriam 1; Breitung, Ben ORCID iD icon
1 Institut für Nanotechnologie (INT), Karlsruher Institut für Technologie (KIT)


Silicon (Si) has turned out to be a promising active material for next-generation lithium-ion battery anodes. Nevertheless, the issues known from Si as electrode material (pulverization effects, volume change etc.) are impeding the development of Si anodes to reach market maturity. In this study, we are investigating a possible application of Si anodes in low-power printed electronic applications. Tailored Si inks are produced and the impact of carbon coating on the printability and their electrochemical behavior as printed Si anodes is investigated. The printed Si anodes contain active material loadings that are practical for powering printed electronic devices, like electrolyte gated transistors, and are able to show high capacity retentions. A capacity of 1754 mAh/g$_{Si}$ is achieved for a printed Si anode after 100 cycles. Additionally, the direct applicability of the printed Si anodes is shown by successfully powering an ink-jet printed transistor.

Verlagsausgabe §
DOI: 10.5445/IR/1000120135
DOI: 10.1002/batt.202000052
Zitationen: 5
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Nanotechnologie (INT)
Karlsruhe Nano Micro Facility (KNMF)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 08.2020
Sprache Englisch
Identifikator ISSN: 2566-6223, 2566-6223
KITopen-ID: 1000120135
HGF-Programm 43.22.03 (POF III, LK 01) Printed Materials and Systems
Erschienen in Batteries & supercaps
Verlag John Wiley and Sons
Band 3
Heft 8
Seiten 713-720
Vorab online veröffentlicht am 27.04.2020
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