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Electrochemical Activity of Nano-NiSi2 in Li Cells

dc.contributor.authorObrovac, MN
dc.contributor.authorDu, Zhijia
dc.contributor.authorHatchard, T. D.
dc.contributor.authorBissonnette, Paul
dc.contributor.authorDunlap, R. A.
dc.date.accessioned2022-08-11T14:12:52Z
dc.date.available2022-08-11T14:12:52Z
dc.date.issued2016-09-09
dc.description.abstractCrystalline and nanocrystalline NiSi2 were studied as negative electrode materials in Li cells. Crystalline NiSi2 was found to be inactive toward lithiation/delithiation. However, it was found that NiSi2 becomes active toward lithium when made nanocrystalline by ball milling. X-ray diffraction peaks from nanocrystalline NiSi2 disappear after the first lithiation process, confirming its electrochemical activity. In subsequent cycles, the voltage curve of nanocrystalline NiSi2 is similar to that of amorphous Si, excepting that there is significant depression of the lithiation potential, which may arise from internal stress.en_US
dc.identifier.citationZhijia Du, T.D. Hatchard, P. Bissonnette, R. A. Dunlap and M. N. Obrovac, Electrochemical Activity of Nano-NiSi2 in Li Cells, J. Electrochem. Soc., 163 (2016) A2456-A2460.en_US
dc.identifier.urihttp://hdl.handle.net/10222/81816
dc.publisherThe Electrochemical Societyen_US
dc.relation.ispartofJournal of The Electrochemical Societyen_US
dc.titleElectrochemical Activity of Nano-NiSi2 in Li Cellsen_US
dc.typeArticleen_US

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