steel cell

例句：

1. 1. The steel cell is the heart of our new energy storage system.
   钢电池是我们新的能量存储系统的核心。
2. 2.The steel cell technology has greatly improved the efficiency of our power systems.
   钢电池技术大大提高了我们电力系统的效率。
3. 3. The steel cell is a type of capacitor that stores electrical energy in a solid form.
   钢电池是一种电容器，以固态形式储存电能。