# Coming soon: a smartphone with a four-day battery life (HT Tech) > Thanks to the smartphone’s status as the Swiss army knife of the average consumer’s digital life, battery life is fast becoming the number one feature that people look for when choosing a handset. # Coming soon: a smartphone with a four-day battery life ## Thanks to the smartphone’s status as the Swiss army knife of the average consumer’s digital life, battery life is fast becoming the number one feature that people look for when choosing a handset. Jul 31 2014, 17:44 IST ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook.png) ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook-hover.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Share.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Shareclicked.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp-hover.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter-hover.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook-hover.png) ![Bookmark](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmark.png) ![Bookmarked](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmarked.png) ![image caption](https://images.hindustantimes.com/tech/rf/image_size_800x600/HT/p1/2011/10/25/Incoming/Pictures/761381_Wallpaper2.jpg) ![Author Photo](https://images.hindustantimes.com/tech/static/revamp/images/png/HTTech-new-circle-logo.png) ### By AGENCIES Thanks to the smartphone's status as the Swiss army knife of the average consumer's digital life, battery life is fast becoming the number one feature that people look for when choosing a handset. Unfortunately, battery technology isn't moving at the same pace as every other component in the latest generation of smartphones, meaning that, if anything, battery life is becoming comparatively shorter. However, that might not be true for long. Researchers at the University of Stanford believe they have essentially created a new type of battery that could offer three times the life of today's smartphone and tablet cells. They have published their findings in the latest edition of thescience journal, Nature. Also read click here. At the moment, the only way to double or triple a handset's battery life, while on the go, is to invest in a case with an integrated second battery or to carry a standalone battery pack that can be plugged into the phone to top up the power when the battery's about to die. Of course, as battery life is a hot topic, what makes this discovery, by the team headed up by Yi Cui, a professor of Material Science and Engineering, exciting is that it may have solved a problem that was at the core of existing lithium ion batteries. Booster charge If lithium could be used in both the electrolyte and anode of a cell, efficiency would be significantly boosted. However, until now, doing so created a highly volatile and unstable battery. Lithium expands in an uneven and unpredictable manner and can twist and deform a battery, cause overheating, short-circuiting and cause the battery to crack and seep its charge. That's why the anode of a battery is made from silicon or graphite, which have predictable behaviour. However, the team has found a way of using lithium at both ends of the cell by fencing in the anode with a honeycomb layer of carbon nanospheres. And while the new battery requires further testing, if it can be proved to be stable and can be easily mass produced, then the next generation of smartphones, tablets and even electric cars could boast between 100 per cent and 200 per cent greater battery life after a charge. As Steven Chu, the former US Secretary of Energy and Nobel Laureate who was also part of Yi Cui's team, says, "In practical terms, if we can improve the capacity of batteries to, say, four times today's, that would be exciting. You might be able to have a cell phone with double or triple the battery life." (Relaxnews) Catch all the Latest Tech News, Mobile News, Laptop News, Gaming news, Wearables News , How To News, also keep up with us on Whatsapp channel,Twitter, Facebook, Google News, and Instagram. 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