The methanol-based fuel cell is designed to work with most standard ThinkPad systems and could provide power for up to eight hours, the companies said Monday.
The new battery does not require any change in the internal power architecture of the. The fuel cell can be charged by means of an auxiliary docking station, which also provides an alternative power supply.
Technology companies are working onas a way to enhance the battery life of mobile devices such as notebooks, MP3 players and mobile phones. Unlike traditional batteries, fuel cells usually use alcohol or as fuel and can offer five to 10 times the power-per-unit weight as lithium-ion batteries. Fuel cells are also being looked at as power sources for .
"This is quite a new concept that utilizes both micro fuel cells and rechargeable batteries," Mitsuru Homma, group executive of power solutions at, said in a statement. "This hybrid system could enable the user to efficiently operate IBM's ThinkPad notebooks for a longer time compared to systems with only a fuel cell, while also providing the convenience of an AC cordless environment."
IBM's ThinkPad and other PC operations are to beto the control of Lenovo Group during the second quarter. IBM agreed to to Lenovo in December.
No date was given for a commercial release of the fuel cell technology.