这种电池可以利用许多令人惊奇的光源，他表示，包括某些最微弱的光源。
The cells draw on many surprising sourcesof light, he said, including some that offer the barest trickle.
研究者表示燃烧电池在提供较高动力，并且能保持高效率的运转和拥有较高的持久性。
The researchers say the fuel cell provided high power with reasonable efficiency and promising durability.
gratzel表示该电池还可以用于给保存食品和药物的冰箱供电，并可以驱动臭氧净水器。
Gratzel also said that the cells could be used to power fridges, to preserve food and pharmaceuticals, and to drive ozone-generating water purifiers.
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