Rational design of efficient electrode-electrolyte interfaces for solid-state energy storage using ion soft landing.
Nat Commun
; 7: 11399, 2016 Apr 21.
Article
em En
| MEDLINE
| ID: mdl-27097686
ABSTRACT
The rational design of improved electrode-electrolyte interfaces (EEI) for energy storage is critically dependent on a molecular-level understanding of ionic interactions and nanoscale phenomena. The presence of non-redox active species at EEI has been shown to strongly influence Faradaic efficiency and long-term operational stability during energy storage processes. Herein, we achieve substantially higher performance and long-term stability of EEI prepared with highly dispersed discrete redox-active cluster anions (50 ng of pure â¼0.75 nm size molybdenum polyoxometalate (POM) anions on 25 µg (â¼0.2 wt%) carbon nanotube (CNT) electrodes) by complete elimination of strongly coordinating non-redox species through ion soft landing (SL). Electron microscopy provides atomically resolved images of a uniform distribution of individual POM species soft landed directly on complex technologically relevant CNT electrodes. In this context, SL is established as a versatile approach for the controlled design of novel surfaces for both fundamental and applied research in energy storage.
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01-internacional
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MEDLINE
Idioma:
En
Ano de publicação:
2016
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Article