dynamic battery的用法和样例：
例句
- Flywheel Battery is one of power batteries that are used in the two vehicles, because they have some special strongpoint.
飞轮电池以其独特的优点成为两类汽车最有前途的动力电池之一。 - Power battery is the key link in electric auto industry, and hydrogen alloy is the key material impacting the performance of Ni-MH battery.
动力电池是电动车产业链的关键环节，贮氢合金又是决定镍氢电池性能的关键材料。
