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The iPhone Air’s real breakthrough is its battery
Apple's slimmest iPhone uses a "revolutionary" battery design that allows the cell to fill more space within the device, boosting overall energy storage.
The iPhone Air’s thin design might be eye catching, and the amount of engineering that went into miniaturizing its logic board is impressive. But according to Gene Berdichevsky, co-founder and CEO of battery materials manufacturer Sila, the real breakthrough might lurk elsewhere inside the aluminum and glass enclosure. Most batteries used in consumer electronics are pouch cells, which have a soft plastic casing that’s cheap to manufacture and allows for some degree of swelling.
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