Sejarah bateri kering

- 2021-07-31-

Hari ini, apabila bateri zink-mangan alkali dapat dilihat di mana-mana, perkembanganbateri keringtelah melalui proses evolusi yang panjang. Dari bateri kering zink-mangan jenis tampal awal hingga bateri kering seng-mangan alkali semasa, ia telah melalui 4 generasi.
Bateri kering seng-mangan jenis tampal terdiri daripada silinder zink, lapisan tampal elektro, elektrod positif mangan dioksida, batang karbon, penutup tembaga, dan lain-lain. Lapisan terluar adalah silinder zink dengan batang karbon di tengahnya; mengelilingi batang karbon adalah campuran serbuk mangan dioksida dan bahan konduktif, yang bersama dengan batang karbon merupakan badan elektrod positif bateri. Untuk mengelakkan penyejatan kelembapan, bahagian atas bateri kering ditutup dengan parafin atau asfalt.
    Cardboard zinc-manganesebateri kering are improved on the basis of paste-type zinc-manganesebateri kering. It is based on high-quality kraft paper that does not contain metal impurities. The surface is coated with a prepared paste, and then dried to make cardboard. The actual discharge capacity of cardboard-type zinc-manganesebateri kering is 2 to 3 times higher than that of paste-type zinc-manganesebateri kering. Most of thebateri kering marked with "high performance" are cardboard
Zink-mangan berlaminabateri kering is composed of several compact flat-shaped single cells stacked together. Each single cell is composed of a plastic shell, zinc skin, conductive film, diaphragm paper, and carbon cake. Laminated zinc-manganese bateri kering minus the trouble of series combination of paste-type bateri kering, its structure is compact, the volume ratio is large, but the storage life is short and the internal resistance is large, so the discharge current should not be too large.
    Alkaline zinc-manganese bateri kering, abbreviated as alkaline battery, its electrolyte is gelatinized by amalgamated zinc powder, potassium hydroxide solution and some sodium carboxymethyl cellulose. Alkaline zinc-manganese bateri keringboleh berfungsi pada suhu -20 ° C dan dapat melepaskan pada arus yang besar. Ia boleh dicas dan habis selama lebih dari 40 kitaran, tetapi pelepasan dalam tidak dibenarkan sebelum pengisian, dan arus pengisian dan voltan pada akhir tempoh pengisian mesti dikawal dengan ketat.
At present, the alkaline battery is the most widely used primary bateri kering, and it may be reused for the second time in the future. As a big country in battery production and consumption, after a long process of evolution, bateri keringtelah menyelesaikan transformasi dari kemunduran primitif ke peringkat terkemuka di dunia, dengan membawa era indah tenaga baru.