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His name is best known for his invention of the Daniell cell, an element of an electric battery much better than voltaic cells. He also invented the dew-point hygrometer known by his name, [3] and a register pyrometer ; [4] and in 1830 he erected in the hall of the Royal Society a water- barometer , with which he carried out a large number of ...
- 13 March 1845 (aged 55)
- English
- 12 March 1790, London, England
John Frederic Daniell was a British chemist and meteorologist who invented the Daniell cell, which was a great improvement over the voltaic cell used in the early days of battery development. In 1820 Daniell invented a dew-point hygrometer (a device that indicates atmospheric humidity), which came.
- The Editors of Encyclopaedia Britannica
Feb 19, 2020 · John Frederic Daniell was born in 1790 in London and is known for inventing an improved battery that replaced the voltaic cell, the Daniell cell. Daniell was a chemist and meteorologist with several important scientific contributions. In 1820 he invented a dew-point hygrometer for measuring atmospheric humidity.
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Feb 19, 2020 · London, England. A great advance in battery technology was the invention of what came to be known as the Daniell cell, which John Frederic Daniell made public in 1836. It was the first reliable source of electric current. John Frederic Daniell was a British chemist and meteorologist.
The Daniell cell is a type of electrochemical cell invented in 1836 by John Frederic Daniell, a British chemist and meteorologist, and consists of a copper pot filled with a copper (II) sulfate solution, in which is immersed an unglazed earthenware container filled with sulfuric acid and a zinc electrode.
Referee's report by John Frederic Daniell, on a paper 'On the relative attractions of sulphuric acid for water, under particular circumstances: with suggestion of means of improving the ordinary process of manufacturing sulphuric acid' by Henry Hough Watson. Creator: John Frederic Daniell Reference number: RR/1/258.
Mar 12, 2019 · John Frederic Daniell, an English chemist, was born Mar. 12, 1790. Daniell is best known for devising a new kind of battery in 1836. The first electric battery had been invented by Alessandro Volta in 1800, but the Voltaic pile, as it was called, had several drawbacks – it was not particularly portable, and it used sulfuric acid as a solution ...
