ELE Times December 2016 Electronics News in India | Online Electronics Mag | Page 61

Technology
operating times, brighter screens for
Hu says,“ Industry standard is that electric
lower cost lithium formulations.
laptops and smart phones, and cordless tools with more power on tap.
The Nexeon technology is based on the use of silicon anodes instead of the carbon-based anodes used today, as this allows greater charge to be stored within the battery. Silicon provides far higher
vehicles need to go at least 200 miles on a single charge. We can make the battery half the size and half the weight, and it will travel the same distance, or we can make it the same size and same weight, and now it will go 400 miles on a single charge.”
At the U. S. Department of Energy’ s
Lawrence Berkeley National Laboratory, advances in understanding how oxygen oxidation creates extra capacity in batteries with a“ lithium-rich” cathode has sparked excitement among battery alchemists, because of its implications for
performance as an anode material,
Now with lithium prices going higher, and
higher energy densities using alternatives
offering charge densities around ten times
questions surrounding the supply of
to cobalt, nickel or manganese— the
that of carbon.
cobalt in the most common battery
three current transition metals
Lithium-ion batteries have come to lead
composition, research teams the world
commercially feasible in lithium-ion
the rechargeable battery market as a
over are searching for the next lithium
batteries presently.
conclusion of their higher performance for a given cell size and weight, their low selfdischarge rate and the absence of a
battery that can alleviate some of the supply risks while amping up the energy density.
Yuan Yang, assistant professor of materials science and engineering at Columbia
Engineering, has developed a new method
‘ memory effect’. Silicon has been known
Tucson, Arizona based Sion Power, have
to increase the energy density of LIB. He
to offer potential as a superior anode
come up with a lithium sulphur battery
has built a trilayer structure that is stable
material, but until now, silicon has
that provides double the energy density of
even in ambient air, which makes the
suffered from physical instability when
existing lithium-ion batteries along with
battery both longer lasting and cheaper to
repeatedly charged and discharged.
improved safety.
manufacture.
Nexeon, is looking to solve this problem by changing the physical form of the silicon, allowing it to realise its full potential as a battery anode.
Sulphur ions deliver a 5x higher level of energy availability than other lithium formulations, and also delivers several performance efficiencies, including longer
" When lithium batteries are charged the first time, they lose anywhere from 5-20 % energy in that first cycle," says Yang.
" Through our design, we ' ve been able to
Solid Energy plans to bring their batteries
life, higher energy density, and faster
gain back this loss, and we think our
to smartphones and wearables in early
charging. The company says it will achieve
method has great potential to increase
2017, and to electric cars in 2018. But the
a 500 watt hour per kilogram performance
the operation time of batteries for
first application will be on drones.“ Several
by 2018.
portable electronics and electrical
customers are using drones and balloons
While Sion is the only commercial
vehicles."
to provide free Internet to the developing world, and to survey for disaster relief,” Hu says.“ It’ s a very exciting and noble application.”
provider of lithium sulphur technologies presently, there are other growing research projects working on batteries with much higher energy densities and
In Toyohashi University of Technology in
Japan, researchers published a report that stated that calcium ion batteries could theoretically replace lithium altogether.

CeBIT India 2016 brings the next league of + 91 Start Up Challenge for SMEs and Start-ups

This year, 3rd edition of CeBIT India will be held at the
CeBIT India will see an increased focus on Indian start-ups that
Bangalore International Exhibition Centre( BIEC) from 8-10
will come on the same platform to share ideas, collaborate,
December 2016, with the theme of Discover the Business of
exchange and disrupt to create something extraordinary out of
Technology Innovation! How collaborative disruption is
the ordinary.
changing tomorrow’ s innovation. CeBIT India 2016 is powered
Talking about the start-up ecosystem in India, Mr. Mehul
by technology, bringing together thought leaders, visionaries;
Lanvers Shah, Managing Director, Hannover Milano Fairs India
innovators, SMEs and startups; CXOs, VCs, mentors &
said“ The incredibly enthusiastic Indian ecosystem supports
dignitaries and technology buyers and users across various
the growth of entrepreneurships where the startups are the
industry segments.
backbone. The + 91 Start Up Challenge provides an impetus to
Hannover Milano Fairs India( HMFI) is all geared to bring the
these exuberated minds to grow and progress under the large
new improved + 91 Start-up Challenge for the young
companies. Unlike the previous years, this year the limelight is
entrepreneurs of India. This year CeBIT India aims at increasing
on exploring the challenges faced by the start-up community
the level a notch higher to make it more robust and engaging
and ways to fight for their survival. Starts Ups will be pitching
with start-ups, SMB’ s and the new minds. It will include a
live to the jury, thus providing opportunities to interact and
prominent set of jury members judging the competion for the
connect with more established enterprises.”
next big idea!
Visit: http:// www. cebit-india. com /
ELE Times | 61 | December, 2016