Ultracapacitors also have two metal plates, but they are coated with a sponge-like, porous material known as activated carbon.

超级电容也有两块金属片，但其外面有海绵状的多空材料，即活性炭涂层。

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After soaking for 9 days, the plate-like structure is turned into a sponge-like structure, and the mesopores partially disappear.

当浸泡时间延长到9天，涂层形貌由片状转化成海绵状，而且介孔结构部分消失。

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A 250-micron-thick, sponge-like membrane separates the plates and holds the organic carbonate electrolyte through which the charged lithium ions flow.

一层 250 微米厚像海绵一样的薄膜将两极板隔开，容纳有机碳酸盐电解液，带电锂离子在其中流动。

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The sponge is honest,child-like, sweet and funny.

VOA: special.2009.08.21

Sauces cling to, but don't waterlog, its hollow, sponge-like caps.

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According to scientists from a smattering of institutions, the atomic-scale chickenwire material has the ability to absorb light effectively -- much like a sponge -- over a broad range of wavelengths.

ENGADGET

That was like putting a Sponge Bob band-aid on a gaping surgical wound.

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