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What kind of battery did the old mobile phone use?
The first mobile phone used a nickel-cadmium rechargeable battery, NiCd;; ; Later Ni-MH rechargeable battery, NiMH, has been used. Now it's a lithium-ion rechargeable battery, lithium ion.

The development history of batteries is as follows:

1600 Gilbert (USA) established the battery research foundation.

179 1 year, Gavagni put forward the theory of "animal electricity".

1800 Volta (Italy) made the famous "Volta stack" and introduced the zinc-silver battery stack.

183 1 farati (UK) published Faraday's law.

1836 Daniel (UK) invented the Daniel battery.

1840, Armstrong (England) invented the hydroelectric generator.

1842, W.R.grove invented the hydrogen-oxygen fuel cell.

1859 Plante (UK) invented the lead-acid battery? 1870 using Siemens generator to change lead-acid battery into secondary battery.

Siemens (Germany) reformed the generator in 1866.

Leclanche (France) 1868 successfully developed? Zinc-manganese battery? In 1876, resin was used as a binder to improve the primary battery.

1888, Gasnat (USA) invented the paste Lexie battery, and its structure is still in use today.

1889 Jungner (Sweden) secondary zinc-silver battery.

1898 Jungner (Sweden) invented the nickel-cadmium alkaline battery.

1900 Jungner (Sweden) alkaline Zn-Mn battery was successfully developed.

190 1 year Jungner (Sweden) and Edison (USA) jointly invented the iron-nickel alkaline battery.

190 1 year, Michaelis (Russia) invented the zinc-nickel battery.

Drumm (Ireland) first prepared a practical zinc-nickel battery in 1930.

1932 ackerman (Germany) invented the sintered electrode plate.

1939 ~ 194 1 years ago, A. H.Ф PYMKUH, an academician of the Soviet academy of sciences, developed the first practical "hydrogen-oxygen fuel cell".

1947 Neumann (France) successfully developed a sealed nickel-cadmium battery.

Before 1950, Soviet Union, France, Germany? Sintered open-ended cadmium-nickel batteries began to be produced, and alkaline manganese dioxide batteries were commercialized.

1960 America and the former Soviet Union? Nickel hydrogen battery was developed.

1970 (USA) Application of Li-SOCL2 and Li-SO2 in American military and spacecraft.

1984 (Netherlands) Philips Company solved the problem of capacity attenuation of LaNi5 _ 5 alloy during charging and discharging, and started the development boom of MH-Ni battery.

1990 (Japan) Sony Corporation of Japan announced that it had made a lithium-ion battery and commercialized it on 1992.

1994 (USA) Belko announced the successful development of polymer lithium-ion battery.