 |
Journal articles
Electrodeposited Cu2Sb as anode material for 3-dimensional Li-ion microbatteries
Abstract : An increasing demand on high energy and power systems has arisen not only with the development of electric vehicle (EV), hybrid electric vehicle (HEV), telecom, and mobile technologies, but also for specific applications such as powering of microelectronic systems. To power those microdevices, an extra variable is added to the equation: a limited footprint area. Three-dimensional (3D) microbatteries are a solution to combine high-density energy and power. In this work, we present the formation of Cu2Sb onto three-dimensionally architectured arrays of Cu current collectors. Sb electrodeposition conditions and annealing post treatment are discussed in light of their influence on the morphology and battery performances. An increase of cycling stability was observed when Sb was fully alloyed with the Cu current collector. A subsequent separator layer was added to the 3D electrode when optimized. Equivalent capacity values are measured for at least 20 cycles. Work is currently devoted to the identification of the causes of capacity fading.
Cited literature [16 references]
https://hal.archives-ouvertes.fr/hal-01168173
Contributor : Open Archive Toulouse Archive Ouverte (oatao) <>
Submitted on : Thursday, June 25, 2015 - 1:18:39 PM
Last modification on : Wednesday, December 2, 2020 - 12:52:06 PM
Long-term archiving on: : Wednesday, September 16, 2015 - 12:20:55 AM
Contributor : Open Archive Toulouse Archive Ouverte (oatao) <>
Submitted on : Thursday, June 25, 2015 - 1:18:39 PM
Last modification on : Wednesday, December 2, 2020 - 12:52:06 PM
Long-term archiving on: : Wednesday, September 16, 2015 - 12:20:55 AM
File
perre_8678.pdf
Files produced by the author(s)