If the voltaic efficiency of the battery is 90%, and the coulombic efficiency of the battery is 90%, the roundtrip efficiency of storage in % for the battery is:
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举一反三
- ______ are belonging to energy storage battery. A: lead acid battery B: Li-ion battery C: solar cell D: nickel metal hydride battery
- battery<br/>______ 。
- A lithium-ion battery is a family of （）可充电的 battery
- It is a verified fact that the higher ____<br/>of a two-stroke engine, the higher _____. A: the engine efficiency…the<br/>stroke/bore ratio B: the stroke/bore ratio…the<br/>engine efficiency C: the bore / stroke ratio…the<br/>engine efficiency D: the engine efficiency…the<br/>bore / stroke ratio
- Production<br/>efficiency ______