Manganese dry cell

Japanese: マンガン乾電池 - マンガンかんでんち(英語表記)manganese dry cell
Manganese dry cell
A dry cell widely used in flashlights, radios, and other devices. It has a rated voltage of 1.5V. It is also called a Leclanché cell because it was invented by Georges Leclanché around 1866. A carbon rod serves as the anode, which is wrapped in a mixture mainly made of manganese dioxide, and a zinc can serves as the cathode. The electrolyte solution is a mixed aqueous solution of ammonium chloride and zinc chloride, and the liquid is made into a paste using paper, cotton, starch, etc. to prevent it from spilling. It has since evolved into the alkaline manganese dry cell, which uses potassium hydroxide as the electrolyte solution. (→Batteries)

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
懐中電灯,ラジオ,その他に広く使われている乾電池。定格電圧は 1.5V。 1866年頃にジョルジュ・ルクランシェが発明したので,ルクランシェ電池とも呼ばれる。炭素棒を陽極とし,これを二酸化マンガンを主とした合剤で包み,陰極として亜鉛缶を用いる。電解質溶液には塩化アンモニウムと塩化亜鉛の混合水溶液を用い,紙,綿,デンプンなどで糊状にして液体がこぼれない構造にしている。電解質溶液に水酸化カリウムを用いるアルカリマンガン乾電池へと進化している。 (→電池 )

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