new battery technology doubles lithium laptop battery life
NEC estimates the new technology could produce batteries that can maintain 50 percent of their original charge for 33 years
NEC said Monday that it has developed a new lithium-ion battery technology that doubles the life span of conventional models.
The new technology will be used in large HP probook 4710s batteries for applications such as electrical power systems in buildings and homes, where longevity is a major concern, the Tokyo-based electronics conglomerate said.
Consumers long for batteries that will increase the life of their smartphones and tablets, but a growing market also exists for larger rechargeable lithium-ion batteries used in such fixed locations.
In testing, the new Toshiba pa3534u-1bas batteries could hold 83 percent of their original charge after 23,500 cycles, which the company equated to over four years of standard use. The tests were done at 25 degrees Celsius.
NEC estimates that the new technology could produce batteries that can maintain 50 percent of their original charge for about 33 years, or over twice the 15-year mark of batteries now in use.
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The extended life power batteries use an organic sulfur compound to help prevent the buildup of internal resistance in lithium batteries that gradually cuts their power output and life span, NEC said.
The company has no concrete plans on when it will commercialize the technology, a spokesman said.
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April 26, 2013 Friday at 9:25 am