Sony Developing High-capacity Rechargeable Battery for Future Smartphones

Sony Corp disclosed that it is developing new high-capacity rechargeable batteries to replace lithium-ion (Li-ion) batteries, aiming to commercialize them in 2020. The company plans to increase energy density per volume by 40% from the current 700Wh/L to 1,000Wh/L by using a sulfur (S) compound as an electrode material. Compared with an existing battery having the same volume, the new batteries can increase battery life (capacity) by 40%. Sony intends to commercialize the batteries as laminate batteries for smartphones first and, then, target them at other applications. The company aims to exploit the large capacity of the batteries and have them employed for various devices including mobile devices and robots. Sony

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