Batteries and Portable Power

Sony Launches Li-Ion Secondary Battery Using Olivine-type Lithium Iron Phosphate As Cathode Material

Sony Corp. announced that it has launched a new type of lithium ion secondary battery that combines high-power and long-life performance, using olivine-type lithium iron phosphate as the cathode material.

The Olivine-type lithium iron phosphate used in this new battery is well suited for use as a cathode material due to its robust crystal structure and stable performance, even at high temperatures. By combining this new cathode material with Sony’s proprietary particle design technology that minimizes electrical resistance to deliver high power output, and also leveraging the cell structure design technology Sony accrued developing its current "Fortelion series" lithium ion secondary battery line-up, Sony has realized a high power density of 1800W/kg and extended life span of approximately 2,000 charge-discharge cycles.

Furthermore, with this new battery able to charge rapidly, in addition to providing a stable discharge of voltage, it will first be supplied for use in motor driven devices such as power tools, after which its application will be expanded to a wide range of other mobile electronic devices. With lithium ion secondary batteries able to deliver both compact size and high capacity, their usage continues to diversify and grow. By adding this high-power, long-life lithium ion secondary battery to its lineup, Sony will aim to continue to provide batteries optimized to its customers’ requirements, and further strengthen its lithium ion secondary battery business going forward.

Sony Corp.
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