2017
DOI: 10.1016/j.jpowsour.2017.01.128
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Post-annealing effects on the electrochemical performance of a Si/TiSi2 heteronanostructured anode material prepared by mechanical alloying

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Cited by 18 publications
(10 citation statements)
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“…Figure d shows the HRTEM image, revealing the presence of numerous amorphous regions in the sample. The amorphous region is attributed to the intense ball milling resulting in a substantial amount of amorphous Si formation . As shown in Figure e, the sample exhibits three distinct lattices with corresponding lattice spacings of 0.31, 0.219, and 0.213 nm, representing the (111) plane of Si, the (101) plane of Al 2 Ti 3 , and the (040) plane of TiSi 2 , respectively.…”
Section: Resultsmentioning
confidence: 94%
“…Figure d shows the HRTEM image, revealing the presence of numerous amorphous regions in the sample. The amorphous region is attributed to the intense ball milling resulting in a substantial amount of amorphous Si formation . As shown in Figure e, the sample exhibits three distinct lattices with corresponding lattice spacings of 0.31, 0.219, and 0.213 nm, representing the (111) plane of Si, the (101) plane of Al 2 Ti 3 , and the (040) plane of TiSi 2 , respectively.…”
Section: Resultsmentioning
confidence: 94%
“…27-1402), TiSi 2 (JCPDS no. 31-1405), and metastable TiSi 2 (MS TiSi 2 ), respectively, noting that the metastable phase cannot be totally converted into stable TiSi 2 under 800 °C, and its atomic configuration is assumed in reference to ZrSi 2 of a Cmcm space group. , Figure a,b shows the TEM images of the Si–Ti binary framework. As clearly seen, this Si–Ti binary product possesses the mutual structure features of gel-derived materials and maintains a 3D framework structure. The selected-area electron diffraction (SAED) pattern shows the diffraction rings from Si, TiSi 2 , and metastable TiSi 2 (inset in Figure b), consistent with its XRD pattern.…”
Section: Resultsmentioning
confidence: 99%
“…It is worth noting that in addition to the above advantages, transition metal silicides also show intentional electrochemical properties, such as high theoretical energy capacity and low discharge potential. Up to now, Transition metal silicides are prepared by various methods such as arc melting, self-propagating high temperature synthesis, mechanical alloying (MA) ( Okadome et al, 1995 ; Al-Joubori and Suryanarayana, 2016 ; Shin et al, 2017 ), Solid-state metathesis ( Jacubinas and Kaner, 1993 ; Nartowski and Parkin, 2002 ), Molten salt reaction technology ( Ma et al, 2004 ; Yang et al, 2004 ; Liu et al, 2013 ; Estruga et al, 2014 ), Microwave assisted synthesis ( Vaidhyanathan and Rao, 1997 ; Zhang et al, 2014 ; Zhang et al, 2018 ), Chemical vapour deposition (CVD) ( Seo et al, 2007 ; In et al, 2008 ; Higgins et al, 2010 ; Liu et al, 2012 ) and Solution synthesis route ( Baudouin et al, 2012 ; Geaney et al, 2012 ; Galeandro-Diamant et al, 2019 ) ( Figure 6 ). Each method described above has its own advantages and disadvantages.…”
Section: Materials For Micro-supercapacitorsmentioning
confidence: 99%