Mobile Phones

By Marina Tabó
  • First Mobile Phone

    First Mobile Phone

    Martin Cooper and John Mitchell create first mobile phone
  • Period: to

    Improvements

    Danish, Finnish and Swiss companies launched more prototypes.
  • Lithium-ion battery was created

    Lithium-ion battery was created

    This indispensable energy source for mobile phones was commercialized by Sony. Li-ion battery is a type of rechargeable battery composed of cells in which lithium ions move from the negative electrode through an electrolyte to the positive electrode during discharge and back when charging. https://www.youtube.com/watch?v=VxMM4g2Sk8U

  • Massive use forces 3G to be launched

    Speed and weight of data was improved by the use of technology.
  • Period: to

    Creation of 4G and 5G

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