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Metal-organic frameworks based membrane as a permselective separator for lithium-sulfur batteries

IR@CECRI: CSIR-Central Electrochemical Research Institute, Karaikudi

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Title Metal-organic frameworks based membrane as a permselective separator for lithium-sulfur batteries
 
Creator Suriyakumar, S.
Kanagaraj, M.
Kathiresan, M.
Angulakshmi, N.
Thomas, S.
Manuel Stephan, A.
 
Subject Lithium batteries
Electrochemical Power Sources
 
Description Although lithium-sulfur batteries possess five-fold higher theoretical capacity than the state-of-the-art lithium-ion batteries, the migration of polysulfide between the electrodes remains as a problem area. In order to overcome this issue, numerous strategies have been adopted. Herein, we introduce a novel 1,3,5 benzene tricarboxylate-manganese (Mn-BTC) metal organic framework (MOF) coated-Celgard (2320) separator which acts as permselective in a Li-S cell. The Li-S cell with coated membrane exhibited higher discharge capacity than the uncoated one. The diffusion of polysulfides is successfully blocked by the separator due to the repulsive ionic forces provided by the COOe that is present in the periphery of Mn-BTC MOF which was confirmed by XPS and XRD analyses
 
Publisher Elsevier
 
Date 2018-01-24
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://cecri.csircentral.net/3209/1/291-2018.pdf
Suriyakumar, S. and Kanagaraj, M. and Kathiresan, M. and Angulakshmi, N. and Thomas, S. and Manuel Stephan, A. (2018) Metal-organic frameworks based membrane as a permselective separator for lithium-sulfur batteries. Electrochimica Acta, 265. pp. 151-159. ISSN 0013-4686
 
Relation http://www.elsevier.com/locate/electacta
http://cecri.csircentral.net/3209/