(可以通过离子穿过通道需要的时间来鉴别，因为通过时间取决于离子的大小)。
(Ions can be identified by how long it takes them to cross the channel, which depends on their size).
夏普认为这将使它能够生产在移动设备中使用的锂离子电池那样大小的燃料电池，但是其续航时间要长得多。
Sharp reckons this will enable it to produce cells that are the same size as the lithium-ion batteries used in mobile devices, but which can run those devices for much longer.
另外还有一大障碍，那就是电池的大小：目前，锂离子电池仍然太大。
The other big hurdle is size: the batteries are still too big. Alok Jha
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