Ayani once used kerosene lamps and dry cell batteries to light up her home and shop.

Ayani 曾经用煤油灯和干电池来照亮她的家和商店。

There's hydrogen fuel cells, batteries that run on hydrogen, or hydrogen-combustion engines, engines that use hydrogen as fuel.

有氢燃料电池，使用氢气的电池，或氢内燃机，即以氢气为燃料的发动机。

Now, even though the idea of a battery-powered vehicle was to revolutionize people's lives for the better, primary cell batteries (that's the " use once and toss" kind) weren't the way to go for obvious reasons.

现在，虽然电动汽车的想法是为了让人们的生活变得更好，但显而易见，原电池（即用即弃的那种）并不实用。

On THE INDICATOR, we've discussed how lithium-ion batteries have huge upfront costs, including research and development, deals securing lithium and cobalt and nickel, huge machines that make the battery cells - all that stuff.

在《指标》中，我们讨论了锂离子电池如何具有巨大的前期成本，包括研发、确保锂、钴和镍的交易、制造电池单元的大型机器等等。