Researchers at Samsung Electronics announced yesterday that they have developed a new technology to produce a silicon cathode material that coats Graphene onto a silicon surface for higher energy density. In other words, Samsung has found a way to almost double the capacity of lithium batteries, which are used to power smartphones and various other gadgets.
Samsung’s researchers claim that its technique allows the full cell to reach volumetric energy densities of 972 and 700 Wh l−1 at first and 200th cycle respectively, when paired with a commercial lithium cobalt oxide cathode. This is around 1.8 and 1.5 times greater than commercialized lithium ion batteries, meaning more battery capacity for a given area.
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