| 单词 | alkaline cell |
| 释义 | > as lemmasalkaline cell alkaline cell n. any of several types of electrochemical cell in which the electrolyte is alkaline.Alkaline cells for batteries in everyday use generally have a zinc anode, manganese dioxide cathode, and potassium hydroxide electrolyte. ΚΠ 1874 Proc. Physical Soc. 1 9 If the number of acid and alkaline cells be equal, we shall always end up with a plate similar to that with which we began. 1894 U.S. Patent 524,843 1/2 All of the above mentioned materials may be used for alkaline cells. 1928 J. T. Crennell & F. M. Lea Alkaline Accumulators ix. 121 The energy, or watt-hour, efficiency of alkaline cells is about 50–55 per cent., as compared with 75 per cent. for lead cells. 1991 Photo Answers Feb. 70/2 They [sc. rechargeable batteries] may not be so powerful or give so many flashes as alkaline cells, but used properly they can be recharged up to 500 times. < as lemmas |
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