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http://panasonic.co.jp/corp/news/official.data/data.dir/en091225-3/en091225-3.html
Panasonic Corporation today announced the development of two new 18650-type (18 mm in diameter, 65 mm in height) high-capacity lithium-ion battery cells for use in laptop computers and environmentally-friendly energy technologies. The company boosted the capacity of 18650-type battery cells, which are widely used in laptops, by improving electrode materials. The newly-developed high-capacity 3.4 Ah and 4.0 Ah lithium-ion battery cells have an improved nickel based positive electrode, and the 4.0 Ah cell uses a silicon based alloy for the negative electrode instead of carbon.
Development of the nickel based positive electrode enabled Panasonic to produce high-capacity, lightweight and highly durable lithium-ion battery cells. By improving the positive electrode, it has achieved the 3.4 Ah cell which offers 20 percent greater capacity than the current 2.9 Ah model. The 3.4 Ah cell will be mass produced in fiscal 2012 ending in March 2012. The 4.0 Ah cell, which has 30 percent greater capacity compared to the 2.9 Ah cell, uses a next generation electrode material, a silicon based alloy for the negative electrode, substituting carbon. The 4.0 Ah cell will be mass produced in fiscal 2013 ending in March 2013. These high-capacity battery cells can make high-energy battery modules.
tks
locc
Panasonic Corporation today announced the development of two new 18650-type (18 mm in diameter, 65 mm in height) high-capacity lithium-ion battery cells for use in laptop computers and environmentally-friendly energy technologies. The company boosted the capacity of 18650-type battery cells, which are widely used in laptops, by improving electrode materials. The newly-developed high-capacity 3.4 Ah and 4.0 Ah lithium-ion battery cells have an improved nickel based positive electrode, and the 4.0 Ah cell uses a silicon based alloy for the negative electrode instead of carbon.
Development of the nickel based positive electrode enabled Panasonic to produce high-capacity, lightweight and highly durable lithium-ion battery cells. By improving the positive electrode, it has achieved the 3.4 Ah cell which offers 20 percent greater capacity than the current 2.9 Ah model. The 3.4 Ah cell will be mass produced in fiscal 2012 ending in March 2012. The 4.0 Ah cell, which has 30 percent greater capacity compared to the 2.9 Ah cell, uses a next generation electrode material, a silicon based alloy for the negative electrode, substituting carbon. The 4.0 Ah cell will be mass produced in fiscal 2013 ending in March 2013. These high-capacity battery cells can make high-energy battery modules.
tks
locc
