A new energy-efficient topology for solar-powered capacitive deionization systems

  • Ashraf Seleym
  • , Moustafa Elshafei

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations

Abstract

Basic Capacitive deionization (CDI) is a method of water desalination based on electrical energy that uses porous electrodes (e.g. activated carbon) to store ions. The current solar-powered CDI systems depend on using batteries as a stage between the PV panels and the CDI modules to regulate the required voltage and current. Batteries have a limited and short lifetime and can reduce the overall efficiency of the solar system and as a consequence there will be over cost load. This research paper aims at developing a power efficient technique for directly driving CDI cells from the photovoltaic (PV) solar panels power without batteries. In addition, this paper develops a novel power efficient topology for energy recovery in discharging the CDI cell during the purge cycle.

Original languageEnglish
Title of host publication2017 IEEE Electrical Power and Energy Conference, EPEC 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-6
Number of pages6
ISBN (Electronic)9781538608173
DOIs
StatePublished - 2 Jul 2017
Externally publishedYes

Publication series

Name2017 IEEE Electrical Power and Energy Conference, EPEC 2017
Volume2017-October

Bibliographical note

Publisher Copyright:
© 2017 IEEE.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 6 - Clean Water and Sanitation
    SDG 6 Clean Water and Sanitation
  2. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • capacitive deionization (CDI)
  • energy recovery
  • solar photovoltaic (PV)
  • water desalination

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology

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