Sökning: onr:"swepub:oai:research.chalmers.se:365e1f34-7b90-4307-aba2-7788c33fba03" >
Towards flexible se...
Towards flexible secondary lithium batteries: polypyrrole-LiFePO4 thin electrodes with polymer electrolytes
-
- Kim, Jae-Kwang, 1978 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Manuel, J. (författare)
- Gyeongsang National University
-
- Lee, M. H. (författare)
- Gyeongsang National University
-
visa fler...
-
- Scheers, Johan, 1979 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Lim, D. H. (författare)
- Gyeongsang National University
-
- Johansson, Patrik, 1969 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Ahn, J. H. (författare)
- Gyeongsang National University
-
- Matic, Aleksandar, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Jacobsson, Per, 1958 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
visa färre...
-
(creator_code:org_t)
- Royal Society of Chemistry (RSC), 2012
- 2012
- Engelska.
-
Ingår i: Journal of Materials Chemistry. - : Royal Society of Chemistry (RSC). - 1364-5501 .- 0959-9428. ; 22:30, s. 15045-15049
- Relaterad länk:
-
http://dx.doi.org/10...
-
visa fler...
-
https://doi.org/10.1...
-
https://research.cha...
-
visa färre...
Abstract
Ämnesord
Stäng
- A thin flexible polypyrrole-lithium iron phosphate (PPy-LiFePO4) based cathode has been fabricated. A slurry containing carbon black, a binder and the active material prepared by direct polymerization of pyrrole on the surface of LiFePO4 (LFP) was spread on an Al/carbon film substrate by the doctor blade method. Transmission electron micrographs reveal that PPy nanoparticles form a web like structure over the surface of LFP particles. After doping with lithium ions the PPy network becomes conducting. When evaluated as a cathode of 180 mu m thickness together with a gel polymer electrolyte and a lithium anode, the charge-discharge performance reveals that the electrochemical properties of LFP are influenced to a considerable extent by the PPy. The cells show high initial discharge capacities of 135 and 110 mA h g(-1) for 0.041 (C/10) and 0.21 (C/2) mA cm(-2), respectively, and high active material utilization. Furthermore the cells exhibit stable cycle properties even at 0.21 mA cm(-2) with a low capacity fade per cycle (similar to 0.3%).
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Nyckelord
- carbon-coated lifepo4
- electrochemical properties
- cathode material
- challenges
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
Hitta via bibliotek
Till lärosätets databas
- Av författaren/redakt...
-
Kim, Jae-Kwang, ...
-
Manuel, J.
-
Lee, M. H.
-
Scheers, Johan, ...
-
Lim, D. H.
-
Johansson, Patri ...
-
visa fler...
-
Ahn, J. H.
-
Matic, Aleksanda ...
-
Jacobsson, Per, ...
-
visa färre...
- Om ämnet
-
- NATURVETENSKAP
-
NATURVETENSKAP
-
och Kemi
- Artiklar i publikationen
-
Journal of Mater ...
- Av lärosätet
-
Chalmers tekniska högskola