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Filled Carbon Nanotubes as Anode Materials for Lithium-Ion Batteries

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dc.contributor.author Thauer, Elisa
dc.contributor.author Ottman, Alexander
dc.contributor.author Schneider, Philip
dc.contributor.author Lukas, Deeg
dc.contributor.author Möller, Lucas
dc.contributor.author Zeus, Rouven
dc.contributor.author Wilhelmi, Florian
dc.contributor.author Schlestein, Lucas
dc.contributor.author Neef, Christoph
dc.contributor.author Ghunaim, Rasha
dc.contributor.author Gellesch, Markus
dc.contributor.author Nowka, Christian
dc.contributor.author Scholz, Maik
dc.contributor.author Haft, Marcel
dc.contributor.author Wurmehl, Sabine
dc.contributor.author Wenelska, Karolina
dc.contributor.author Mijowska, Ewa
dc.contributor.author Kapoor, Aakanksha
dc.contributor.author Bajpai, Ashna
dc.contributor.author Hampel, Silke
dc.contributor.author Klingeler, Ruediger
dc.date.accessioned 2020-11-30T12:23:00Z
dc.date.accessioned 2022-05-22T08:53:06Z
dc.date.available 2020-11-30T12:23:00Z
dc.date.available 2022-05-22T08:53:06Z
dc.date.issued 2020-02-27
dc.identifier.citation Molecules 2020, 25(5), 1064; https://doi.org/10.3390/molecules25051064 en_US
dc.identifier.uri http://localhost:8080/xmlui/handle/123456789/8143
dc.description.abstract Downsizing well-established materials to the nanoscale is a key route to novel functionalities, in particular if different functionalities are merged in hybrid nanomaterials. Hybrid carbon-based hierarchical nanostructures are particularly promising for electrochemical energy storage since they combine benefits of nanosize effects, enhanced electrical conductivity and integrity of bulk materials. We show that endohedral multiwalled carbon nanotubes (CNT) encapsulating high-capacity (here: conversion and alloying) electrode materials have a high potential for use in anode materials for lithium-ion batteries (LIB). There are two essential characteristics of filled CNT relevant for application in electrochemical energy storage: (1) rigid hollow cavities of the CNT provide upper limits for nanoparticles in their inner cavities which are both separated from the fillings of other CNT and protected against degradation. In particular, the CNT shells resist strong volume changes of encapsulates in response to electrochemical cycling, which in conventional conversion and alloying materials hinders application in energy storage devices. (2) Carbon mantles ensure electrical contact to the active material as they are unaffected by potential cracks of the encapsulate and form a stable conductive network in the electrode compound. Our studies confirm that encapsulates are electrochemically active and can achieve full theoretical reversible capacity. The results imply that encapsulating nanostructures inside CNT can provide a route to new high-performance nanocomposite anode materials for LIB. en_US
dc.language.iso en_US en_US
dc.publisher MDPI- Molecules en_US
dc.subject filled carbon nanotubes; lithium-ion batteries; hybrid nanomaterials; anode material en_US
dc.title Filled Carbon Nanotubes as Anode Materials for Lithium-Ion Batteries en_US
dc.type Article en_US

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