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The ZEBRA battery is a type of rechargeable molten salt battery based on commonly available and low-cost materials – primarily nickel metal, the sodium and chloride from conventional table salt, as well beta-alumina solid electrolyte. It is technically known as the sodium–nickel–chloride battery, and sometimes as a sodium–metal–halide ...
Grundig Mobile: Hagenuk Telecom GmbH: insolvency in 1997, mobile phone development and manufacturing business acquired by Telital in 1998 [8] Siemens Mobile: Acquired by BenQ Corporation in 2005 to form BenQ Mobile: Telefunken Italy: Onda Mobile Communication India: YU Televentures: Was a subsidiary of Micromax Indonesia: Nexian Japan: Sanyo ...
This powdered mixture is pressed into pellets to form a separator between the anode and cathode of each cell in the battery stack. As long as the electrolyte (salt) is solid, the battery is inert and remains inactive. Each cell also contains a pyrotechnic heat source, which is used to heat the cell to the typical operating temperature of 400 ...
Mobile technology in Africa is a fast growing market. [1] Nowhere is the effect more dramatic than in Africa, where mobile technology often represents the first modern infrastructure of any kind. [2] Over 10% of Internet users are in Africa. [3] However, 50% of Africans have mobile phones and their penetration is expanding rapidly. [4]
The company operates from over ten sites around South Africa collecting and processing scrap metals. [2] [3] It purchases scrap metals from factories, other industrial companies, dealers [4] and collectors. Hundreds of thousands of people in South Africa make a living collecting and delivering scrap metal to companies like SA Metal Group.
A piece of columbite–tantalite, size 6.0 × 2.5 × 2.1 cm. Coltan (short for columbite–tantalites and known industrially as tantalite) is a dull black metallic ore from which the elements niobium and tantalum are extracted.
Pages in category "Metal companies of South Africa" The following 3 pages are in this category, out of 3 total. ... Mobile view ...
ArcelorMittal South Africa is part of the steel company Arcelor-Mittal. [ 1 ] [ 2 ] The company was originally Iscor Ltd. , a South African parastatal steel company. It was founded in 1928 and was first listed on the JSE Securities Exchange in 1989.