Samsung develops magic 'graphene ball' that speeds up battery charging five times

Faith Obafemi
Nov 27, 2017

Telecommunications giant Samsung, using its research arm Samsung Advanced Institute of Technology (SAIT), just concluded research that makes lithium-ion batteries almost twice as strong. Latest 'discovery' is a synthesized graphene ball which SAIT says can be used to make the ordinary lithium lion battery last 45% longer, while also charging 5 times faster.

A normal lithium-ion battery would take about an hour to be fully charged, but with graphene ball, the time would be reduced to a mere 12 minutes. Worries about the temperature of the battery when charging has been allayed as Samsung said the latest discovery also helps the phone maintain a temperature below 60 degrees, the allowed degree Celsius a mobile in electric cars can have.


The new technology already has its patent registered in South Korea and the United States. Publications of SAIT findings in this novel research can be found in this month's edition of Nature. Creating the graphene ball was a process that involved synthesizing SiO2, or silica into something that looked like 3D popcorn, called graphene. These graphene are then the raw materials for building anode and cathode used to make lithium-ion batteries.

A gradual shift is already taking place as mobile producers seek to ditch the now limiting lithium-ion, since its first use in 1991. Going forward, lithium-ion batteries would no longer be the standard for electronic devices. Alternative solutions like graphene ball would be one of the firsts of such. I guess we can still recall last year's news of Samsung Galaxy Note 7 catching fire as a result of a faulty lithium-ion battery overheating and exploding.

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