This gives about 5% of the storage capacity of a battery.

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Using tin can increase the energy storage capacity of a battery cell by nearly three times, he said.

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This, they hope, will push capacitors to 50% of a battery's storage capacity.

ECONOMIST: Electricity storage

Likewise Seagate has greatly improved their personal mobile wireless device, now called the Wireless Plus with up to 1 TB of storage capacity, WiFi access and reported 10 hour battery life.

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Flash memory has played an important role in these mobile consumer devices because it is rugged, flash memory chips can be stacked to enable compact devices, it uses small amounts of battery power and enough storage capacity can be included to make these devices useful for some common tasks such as email and media playing.

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With an improved 1, 300mAh battery capacity, multimedia usage is guaranteed for longer, whilst 4GB of storage means more videos, music and images can be stored without having to delete old content.

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The automakers need to come out with battery packs that can retain a greater percentage of their storage capacity for longer, cost half as much, and have improved energy density, so that they can serve many driving cycles.

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