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The Application Of Nickel In The Battery Field

wallpapers Tech 2021-01-21
Nickel is a transition metal element with element symbol Ni, located in group VIII of the fourth period, with atomic number 28. Nickel is a silver-white metal with good mechanical strength and ductility. It is insoluble in water and has strong corrosion resistance to acids and alkalis, but it is easily soluble in dilute nitric acid and aqua regia. High temperature resistance, melting point 1455 °C, boiling point 2730 °C. The density is 8.902g/cm³. It can be used to make currency, etc. It can be plated on other metals to prevent rust.
 
Battery field
 
Metallic nickel is also applied to the battery field, mainly nickel-metal hydride batteries, cadmium-nickel batteries and nickel-manganese batteries. The most rapid development in recent years is the application of increasingly practical MHx-Ni batteries. Its advantages are non-toxic, green and pollution-free. The battery reserves are 30% more than nickel-cadmium batteries, lighter than nickel-cadmium batteries, and have a longer service life. The disadvantages are The price is more expensive than nickel-cadmium batteries, and the performance is worse than that of lithium batteries. Mainly used in mobile communications, notebooks, video recorders and other fields, but also in military, national defense, high-tech fields. Cars powered by such batteries have also been put on the market.
 
The world’s nickel-metal hydride batteries are mainly produced by Chinese and Japanese companies, accounting for more than 95% of global output, of which more than 70% are produced in China. Chinese nickel-metal hydride battery companies mainly include Chaoba, Highpower, BYD, Huanyu, Corun, and Liyuan Kexing, Sanpu, Dickson, Sanjie, Liangneng, Grepp, etc. Japanese companies Panasonic, Yuasa, and Sanyo have transferred the production of small nickel-metal hydride batteries to China.
 
Large-scale nickel-metal hydride batteries for HEV are mainly produced in Japan. The main manufacturers are Primearth Electric Vehicle Energy Company (PEVE) and Sanyo Electric. Due to the merger of Panasonic and Sanyo, Panasonic's Shonan plant was sold to China Corun. Therefore, large nickel-metal hydride batteries have been mainly produced by Panasonic.

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