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An Organic Catalyst for Li-O-2 Batteries : Dilithium Quinone-1,4-Dicarboxylate
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- Liu, Jia (author)
- Uppsala universitet,Strukturkemi
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- Renault, Steven (author)
- Uppsala universitet,Strukturkemi
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- Brandell, Daniel (author)
- Uppsala universitet,Strukturkemi
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- (creator_code:org_t)
- 2015-06-12
- 2015
- English.
- In: ChemSusChem. - : Wiley. - 1864-5631 .- 1864-564X. ; 8:13, s. 2198-2203
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Solid organic electrocatalysts have hardly been tested in Li-O-2 batteries. Here, a new solid organic electrocatalyst, dilithium quinone-1,4-dicarboxylate (Li2C8H2O6) is presented, which is expected to overcome the shortcomings of inorganic catalysts. The function-oriented synthesis is low cost and low polluting. The electrocatalytic performance is evaluated by following the degradation of Li2O2 during the charge process in a Li-O-2 cell through insitu XRD and operando synchrotron radiation powder XRD (SR-PXD) measurements. The results indicate that the electrocatalytic activity of Li2C8H2O6 is similar to that of commercial Pt. The Li2O2 decomposition in a cell with Li2C8H2O6 catalyst follows a pseudo-zero-order reaction, virtually without any side reactions. These results provide an insight into the development of new organic catalysts for the oxygen evolution reaction (OER) in Li-O-2 batteries.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- batteries
- energy conversion
- kinetics
- lithium
- x-ray diffraction
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Zhu, Jiefang
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- NATURAL SCIENCES
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- Uppsala University
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