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Tailored Silicon/Carbon Compounds for Printed Li-Ion Anodes

  • 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.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/gSi 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.show moreshow less

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Author:Parvathy Anitha Sukkurji, Ibrahim Issac, Surya Abhishek Singaraju, Leonardo Velasco, Jasmin Aghassi-HagmannORCiDGND, Wolfgang G. BesslerORCiDGND, Horst Hahn, Miriam Botros, Ben Breitung
Creating Corporation:Chemistry Europe
Publisher:Wiley-VCH Verlag GmbH & Co. KGaA
Year of Publication:2020
Date of first Publication:2020/04/27
Language:English
Parent Title (English):Batteries & Supercaps
Issue:3
ISSN:2566-6223
First Page:1
Last Page:9
Document Type:Article (reviewed)
Institutes:Hochschule Offenburg / Bibliografie
Acces Right:Frei zugänglich
Release Date:2020/06/23
Licence (German):License LogoEs gilt das UrhG
DOI:https://doi.org/10.1002/batt.202000052