Samsung's researchers are claiming a new breakthrough in smartphone battery technology that could increase capacities of Lithium-Ion batteries by up to 1.5 to 1.8 times.
Published in Nature Communications, the research study advocates the use of graphene over silicon surfaces in batteries to enable volume expansions for extended runs.
"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 700 Wh l-1 at first and 200th cycle, respectively, 1.8 and 1.5 times higher than those of current commercial lithium-ion batteries," said the report.
Now this should be good news for you if you thought that an abysmal battery will be the reality of life that you will have to face forever. But wait, there's a catch.
The new technology is still raw and is far from being commercialized. The smooth integration between graphene and carbide-free silicon will serve as a prototype for commercial versions later on, said the researchers.
There are also several cons preventing the new technology from being commercialized. Because of additional discharge cycles, the battery suffers from decreasing competitiveness in volumetric energy density and cycle life in the long run. These concerns will be addressed in due course by Samsung's researchers.
Samsung's 'Wall Hugger' ad
Back in April last year, Samsung pulled a funny punch on iPhone users, calling them 'wall huggers' in a video that showed users clinging to the walls to charge their iPhones all the time even as Samsung's smartphone users engaged in lively chatter without the persistent need to charge their smartphone batteries.
Despite Samsung's claims, several issues cropped up of late with the battery life of the Galaxy S6 Edge which drained out at times despite less-than-frequent usage. Once the new technology has been patented and commercialized, maybe Samsung will think about playing the video again.