Scientists used two harmless viruses to create high-performance, rechargeable lithium-ion batteries that could power portable electronic devices like mobile phones or GPS systems for military uses.

由两种无害的病毒制造的高性能电池，可以为便携式电子设备如手机、GPS系统提供动力，此设备也可用于军事目的。

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For much of the 1990s it was the battery of choice for powering portable electronic devices, displacing nickel-cadmium batteries in many applications.

1990年代的大部分时期，它是便携式电子设备的优选，在许多应用领域取代了镍镉电池。

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Western battery science languished while the Japanese, looking for better batteries for portable electronics, followed up on the existing research and, in 1991, commercialized the lithium-ion battery.

西方科学界对电池技术冷落的同时，在日本为便携式电子产品配置更好的电池，在现有的研究基础上于1991年推出了商业化的锂离子电池。

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First, is portable storage, specifically batteries, of the sort that we use for our laptops and mobile phones.

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At the electronics store, dry batteries and portable stoves are sold out.

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He had generated an idea of using human-powered batteries for television or portable video game consoles.

CNN: Are we heading for a human-powered future?