An Interest In:
Web News this Week
- April 18, 2024
- April 17, 2024
- April 16, 2024
- April 15, 2024
- April 14, 2024
- April 13, 2024
- April 12, 2024
Some of Our Sources
View All Sources
June 28, 2015 10:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/7cj_Z274-IY/samsung-nanotech-breakthrough-nearly-doubles-li-ion-battery-capacity
Samsung Nanotech Breakthrough Nearly Doubles Li-Ion Battery Capacity
The Korea Times reports that Samsung researchers have published in Nature Communications the results of research (here's the abstract) that could lead to vastly greater storage capacity for lithium-ion batteries. The researchers, by growing graphene on silicon anodes, were able to preserve the shape of the anodes, an outcome which has formerly eluded battery designers: silicon tends to deform over numerous charging cycles. From the linked abstract: Here we report direct graphene growth over silicon nanoparticles without silicon carbide formation. The graphene layers anchored onto the silicon surface accommodate the volume expansion of silicon via a sliding process between adjacent graphene layers. When paired with a commercial lithium cobalt oxide cathode, the silicon carbide-free graphene coating allows the full cell to reach volumetric energy densities of 972 and 700Whl1 at first and 200th cycle, respectively, 1.8 and 1.5 times higher than those of current commercial lithium-ion batteries. Also at ZDNet.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/7cj_Z274-IY/samsung-nanotech-breakthrough-nearly-doubles-li-ion-battery-capacity
Share this article:
Tweet
View Full Article
Slashdot
Slashdot was originally created in September of 1997 by Rob "CmdrTaco" Malda. Today it is owned by Geeknet, Inc..More About this Source Visit Slashdot