You might have heard of a similar horror story. A girl has an unfortunate incident and got into a car trouble in the middle of a deserted road. She badly needs to make a phone call. Thank God, she has her cellphone with her. She eagerly dialed up her phone and when somebody answered on the other end, within the first few seconds of the phone call, her phone's battery went dead. Alas, your mobile phone just gave up on you. Thanks to Stanford researchers, there is now a flicker of hope that there would be an end to similar situations. Silicon nanowire is the key to a better battery performance. With a silicon nanowire battery, you can store up to ten times the electricity a normal rechargeable battery holds up. This technology can also be used, not only for cell phones, but also for other gadgets including iPods, digital cameras and laptops.

Yi Ciu, who reinvented of the rechargeable battery, is a Material Science and Engineering assistant professor. He states that a nanowire battery can produce ten times the amount of electricity than the usual lithium-ion batteries that are commonly offeredin the market. If your cell phone battery usually holds up charge for 9 hours, with a nanowire battery, you can use your phone for a total of 90 hours. Just imagine the difference!

Nature Nanotechnology described this invention as lithium battery anodes that use silicon nanowires. Battery anodes are usually made of carbon. With the replacement of silicon, it proved to store more electricity but also have its limitations. Whenever a battery is charged, silicon swells as it absorbed positively charged lithium components. Lithium atoms are then drawn from the silicon when they are in use (and not charged) causing the silicon to shrink. Such a cycle of shrinking and expanding can cause silicon battery to compromise its performance adversely. With nanotechnology, this issue is resolved successfully. Lithium is place in very small nanowires- a thousand times much thinner than a single sheet of paper. This allows the silicon to resist fracture. This powerful battery can also even be used for electric cars and even to store electricity for solar panels.

With such a technology and powerful rechargeable batteries, you can maximize the use of your phones. No longer would you disallow your kids to play games on your phone simply because you know your battery would not hold up long enough. With silicon nanowire rechargeable battery, you are sure you can enjoy your phone for long, long hours!

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