2014
DOI: 10.1016/j.jpowsour.2013.12.041
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Nitridated Si–Ti–Ni alloy as an anode for Li rechargeable batteries

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Cited by 21 publications
(14 citation statements)
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“…[325][326][327][328] Nonetheless, the ICE still remained improvable, which was assigned to the formation of SiO x , TiO x and NiO x during the rst cycle as a result of the reaction with the electrolyte, but could be improved by subjecting the alloy material to a nitridation treatment. 329 Further optimizationespecially with respect to the long-term cycling stabilitywas realized by utilizing different metals such as Al, Fe, and Mn. Obrovac et al 330 reported a capacity retention of 68% aer 500 cycles with a very high CE of 99.96% in an 18650type cell, containing active silicon dispersed in an inactive Si-Al-Fe phase together with an active Sn 3 Mn phase to improve the lithium diffusion in the alloy.…”
Section: Introducing Silicon For Enhanced Energy Densitiesmentioning
confidence: 99%
“…[325][326][327][328] Nonetheless, the ICE still remained improvable, which was assigned to the formation of SiO x , TiO x and NiO x during the rst cycle as a result of the reaction with the electrolyte, but could be improved by subjecting the alloy material to a nitridation treatment. 329 Further optimizationespecially with respect to the long-term cycling stabilitywas realized by utilizing different metals such as Al, Fe, and Mn. Obrovac et al 330 reported a capacity retention of 68% aer 500 cycles with a very high CE of 99.96% in an 18650type cell, containing active silicon dispersed in an inactive Si-Al-Fe phase together with an active Sn 3 Mn phase to improve the lithium diffusion in the alloy.…”
Section: Introducing Silicon For Enhanced Energy Densitiesmentioning
confidence: 99%
“…The large volume expansion that accompanies Li insertion and extraction during cycle life results in electrode pulverization and loss of electrical contact [11,12]. To ensure mechanical stability, embedding capacitive elements into a buffering matrix that helps accommodating volume changes, while improving electronic conduction, has been proposed [13,14]. This concept can be implemented, for instance, using binary intermetallic compounds made of one element that reacts with lithium (e.g.…”
Section: Introductionmentioning
confidence: 99%
“…Owing to the better conductivity from copper and better combining strength enhance by interface alloy transitive structure, the discharge specific capacity of Si/Cu 3 Si/Cu composite was up to 1126 mAh g −1 after 100 cycles under current density of 0.5 C and 997 mAh g −1 at current density of 2.0 C in rate performance measurement. In a summary, the above mentioned metals in the Si-based compounds can alleviate internal stress caused by volume expansion of silicon and improve its conductivity [25,26].…”
Section: Introductionmentioning
confidence: 99%