2016
DOI: 10.1016/j.ceramint.2015.09.068
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Effect of preparation conditions on structural and catalytic properties of lithium zirconate

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Cited by 12 publications
(5 citation statements)
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“…Minor traces of Li 2 CO 3 found in the sample could be attributed to the reaction of formed Li 2 ZrO 3 with atmospheric CO 2 . Similar explanation has been given by Narasimharao and Ali 34 for the formation of the Li 2 CO 3 phase in the lithium zirconate sample. Comparison of XRD patterns obtained with a varying lithium content from 5 to 25 wt % (Figure 2b) also showed that at lower metal loading mixed monoclinic phases of ZrO 2 , Li 2 ZrO 3 , and tetragonal ZrO 2 were formed.…”
Section: Methodssupporting
confidence: 84%
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“…Minor traces of Li 2 CO 3 found in the sample could be attributed to the reaction of formed Li 2 ZrO 3 with atmospheric CO 2 . Similar explanation has been given by Narasimharao and Ali 34 for the formation of the Li 2 CO 3 phase in the lithium zirconate sample. Comparison of XRD patterns obtained with a varying lithium content from 5 to 25 wt % (Figure 2b) also showed that at lower metal loading mixed monoclinic phases of ZrO 2 , Li 2 ZrO 3 , and tetragonal ZrO 2 were formed.…”
Section: Methodssupporting
confidence: 84%
“…The powder XRD analysis also supported the presence of Li 2 ZrO 3 as a major phase in the catalyst which could be associated to the Lewis basic sites due to the presence of oxide ions . The CO 2 -TPD profile could also be used to distinguish between Brønsted and Lewis basic sites as Lewis sites demonstrates the desorption at a higher temperature in comparison to the Brønsted sites.…”
Section: Results and Discussionmentioning
confidence: 68%
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“…However, in recent years, new alkaline ceramics have been proposed for this application. Some examples include lithium cuprate (Li 2 CuO 2 ), as well as lithium and sodium ferrites (Li 5 FeO 4 , LiFeO 2 , and NaFeO 2 ), , which have shown great properties, mainly due to the redox capacity of the transition metals present in these samples. Moreover, these alkaline ceramics have shown different catalytic abilities, including the synergic CO oxidation and CO 2 chemisorption. , This double process would be of interest for industrial applications where CO and/or CO 2 must be trapped. One example is the hydrogen (H 2 ) enrichment process from syngas flows, obtained through dry methane reforming with CO 2 . , Industrially, sorption-enhanced reforming (SER) is considered an emerging technology where the hydrogen purification is integrated with CO 2 or CO chemisorption at moderate–high temperatures, which proceed in a similar way to carbon dioxide capture on alkaline ceramics.…”
Section: Introductionmentioning
confidence: 99%