Multi-electron redox phenazine for ready-to-charge organic batteries

Title
Multi-electron redox phenazine for ready-to-charge organic batteries
Authors
홍지현이민아이병주구교진이세찬박찬범강기석
Issue Date
2017-07
Publisher
Green chemistry : an international journal and green chemistry resource : GC
Citation
VOL 19, NO 13-2985
Abstract
Organic redox compounds represent an emerging class of cathode materials in rechargeable batteries for low-cost and sustainable energy storage. However, the low operating voltage (<3 V) and necessity of using lithium-containing anodes have significantly limited their practical applicability to battery systems. Here, we introduce a new class of p-type organic redox centers based on N,N'-substituted phenazine (NSPZ) to build ready-to-charge organic batteries. In the absence of lithium-containing anodes, NSPZ cathodes facilitate reversible two-electron transfer at 3.7 and 3.1 V accompanying anion association, which results in a specific energy of 622 Wh kg(-1) in dual-ion batteries.
URI
http://pubs.kist.re.kr/handle/201004/72497
ISSN
1463-9262
Appears in Collections:
KIST Publication > Article
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