The long development history of Alkaline battery.

2021-03-22 00:45:53

Today, Alkaline battery can be seen everywhere, the development of Alkaline battery has gone through a long process of evolution. In 1868, the French engineer George-Lecland made the first zinc-manganese wet battery. In 1886, Ghaith made the prototype of a dry battery. Soon thereafter, the portability of Alkaline battery was greatly improved, and extensive industrial production began.

However, with the development of the times, ordinary Alkaline batteries cannot meet the needs of the market. As early as more than 100 years ago, someone proposed to use zinc as the negative electrode, MnO2 as the positive electrode, and KOH or NaOH as the electrolyte. The long research process mainly focused on four issues: Firstly, the powdery porous zinc electrode was used to replace the sheet electrode. The second one is the use of a reverse pole structure, and the third one is the amalgamation of zinc powder and the addition of ZnO in the lye, and the fourth one is the improvement of the sealing structure and sealing materials.

It was not until the 1950s that the Alkaline battery was successfully developed on the basis of zinc-manganese dry batteries. It uses zinc powder as the negative electrode, electrolytic manganese dioxide as the positive electrode, and NaOH or KOH as the electrolyte, which doubles the performance of the battery. It not only has high capacity, but is also suitable for continuous discharge of large currents. It also has excellent low-temperature performance, storage performance and leak-proof performance.

In the late 1980s, as people's awareness of environmental protection increased, the research boom of mercury-free Alkaline batteries was set off. By the mid-1990s, mercury-free Alkaline batteries entered the market. With the development of electrical appliances, higher capacity and high current discharge of alkaline manganese batteries have also been put forward. Therefore, in the future, Alkaline battery will mainly develop in the direction of increasing battery capacity, increasing storage life, and high-power heavy-duty discharge performance.