supercapacitor
noun [ C ] electronics specialized uk/ˌsuː.pə.kəˈpæs.ɪ.tər/ us/ˌsuː.pɚ.kəˈpæs.ə.t̬ɚ/
超级电容器
a very powerful type of capacitor (= a device that collects and stores electricity, and is an important part of electronic equipment such as televisions and radios)
All fuel cell cars have a large battery or supercapacitor. 所有燃料电池汽车都有一个大电池，也叫做超级电容器。
The supercapacitor can hold a battery's worth of charge for a phone. 超级电容可以容纳一节电池的电量，供手机使用。
- More examples
- Supercapacitors are more powerful cousins of the basic capacitor.
- This is the only supercapacitor that meets today's energy harvesting expectations.
- A number of companies are developing electric double-layer supercapacitor technology.