Germanium sulfide(II and IV) nanoparticles for enhanced performance of lithium ion batteries

Germanium sulfide (GeS and GeS2) nanoparticles were synthesized by novel gas-phase laser photolysis and subsequent thermal annealing. They showed excellent cycling performance for lithium ion batteries, with a maximum capacity of 1010 mA h g(-1) after 100 cycles. Metastable tetragonal phase Ge nanop...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2013-05, Vol.49 (41), p.4661-4663
Main Authors: Cho, Yong Jae, Im, Hyung Soon, Myung, Yoon, Kim, Chang Hyun, Kim, Han Sung, Back, Seung Hyuk, Lim, Young Rok, Jung, Chan Su, Jang, Dong Myung, Park, Jeunghee, Cha, Eun Hee, Choo, Sung Ho, Song, Min Seob, Cho, Won Il
Format: Article
Language:English
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Summary:Germanium sulfide (GeS and GeS2) nanoparticles were synthesized by novel gas-phase laser photolysis and subsequent thermal annealing. They showed excellent cycling performance for lithium ion batteries, with a maximum capacity of 1010 mA h g(-1) after 100 cycles. Metastable tetragonal phase Ge nanoparticles were suggested as active materials for a reversible lithium insertion-extraction process.
ISSN:1359-7345
1364-548X
DOI:10.1039/c3cc41853g