An Approach to Increase the Battery Time of a Mobile Phone Using Free Energy Harvesting

Jesper Kirkegaard Jensen, Kasper Jessen, Kasper Laugesen, Signe Møller Mortensen, Juliane Bech Sørensen, Farshid Forouzbaksh

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

The increasing market of mobile phones, has increased the need for electricity to power mobile phones, as well. This paper investigates the possibilities to charge a mobile phone by harvesting energy from the surroundings. Some technologies are better suited for this purpose than others. Through previous analyses solar cells and electromagnetic generator were found to be the most suitable solution. This paper will give a basic description of the operating conditions of solar cells and an electromagnetic generator. There will also be a short view on the electrical circuit needed for implementing the harvested energy. Calculations regarding the power produced by amorphous silicon solar cells in both sun light and light from different light emitting sources will be examined. Furthermore calculations of the spring for the electromagnetic generator and the power produced by this device will be examined. Through experiments and data processing the energy delivered by the solar cells and the electromagnetic generator is investigated, furthermore an experiment regarding the movement of the phone will be executed.
Original languageEnglish
Title of host publicationProceedings of the 2015 IEEE International Telecommunications Energy Conference (INTELEC)
Number of pages6
PublisherIEEE Press
Publication dateOct 2015
ISBN (Print)978-1-4799-3272-6
ISBN (Electronic)978-1-4799-6582-3
DOIs
Publication statusPublished - Oct 2015
Event2015 IEEE International Telecommunications Energy Conference (INTELEC) - Namba, Osaka, Japan
Duration: 18 Oct 201522 Oct 2015

Conference

Conference2015 IEEE International Telecommunications Energy Conference (INTELEC)
Country/TerritoryJapan
CityNamba, Osaka
Period18/10/201522/10/2015

Keywords

  • Photovoltaic cells
  • Electromyography
  • Batteries
  • Mobile handsets
  • Amorphous magnetic materials
  • Electromagnetics
  • Generators

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