In fact, Dr Cui says, it is so good that it rivals the energy-storage capacity of the familiar lead-acid battery.

实际上，崔博士说，它表现得很出色，其能量存储能力上能与我们所熟悉的铅酸蓄电池相匹敌。

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Acid rain and old age explain the shortage of capacity.

酸雨和设备老化是电量短缺的两个主要原因。

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The electrodes maintain 83 percent of their charge capacity after 40, 000 cycles-in comparison, lead-acid batteries last a few hundred cycles, while lithium-ion batteries typically last for 1, 000.

这种电极可以在4000此循环充电后继续维持83%的能源，仍可在用，而相比之下，蓄电池只能循环充电几百次，锂离子电池可以循环1000次。

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Derived naturally from the amino acid glutamate, umami has an unusual capacity to draw out and highlight the flavors of other ingredients.

WSJ: Kelp Wanted