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Replacement of batteries of PV-Systems

Replacement of batteries of PV-Systems. GTZ 3 rd EAST AFRICA REGIONAL ENERGY MEETING, Addis Ababa, Ethiopia, 27th – 30th October Presented by Andi Michel, Energising Development, GTZ. Content. PV – Systems Rationale PV - Batteries Dangers Electrification projects

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Replacement of batteries of PV-Systems

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  1. Replacement of batteries of PV-Systems GTZ 3rd EAST AFRICA REGIONAL ENERGY MEETING,Addis Ababa, Ethiopia, 27th – 30th October Presented by Andi Michel, Energising Development, GTZ

  2. Content • PV – Systems • Rationale • PV - Batteries • Dangers • Electrification projects • Status of replacement systems • Way forward / Knowledge exchange

  3. Charge controller PV-cells Consumer BATTERY PV-Systems 1000 cyclesapp. 3 years

  4. Rationale • Bilateral- and reginoal development measures lead to an increased dissemination of PV-Systems ( > 1.000.000) • Main environmental risk of PV systems are the lead batteries, especially the lead recycling • In many countries no regulated recycling or disposal system for batteries in place • A lot of available PV Systems are of poor quality with a low lifespan (battery < 300 cycles) • Lead price is increasing • Role of the informel sector in recycling will increase • But: Advantages of PV Systems outweigh the risks

  5. PV - Batteries • Batteries mainly consist of: lead metal (Pb), lead dioxide (PbO2), sulphuric acid, lead sulfate (PbSO4) • Lead is toxic, harmful to the environment and causes cancer • Sulphuric acid additional contains lead particles • Inappr. opening of batteries releases “lead-dust”

  6. Common recycling practise • Variation between rural and urban

  7. Battery recycling factories Bhubaneswar and Kolkata, India Source: Blacksmith Institute 2008 OK International 2008

  8. Electrification projects / status of replacement systems • Within EnDev 9 projects with PV - electrification component using batteries • Battery recycling system partially analysed • Honduras: replacement system for batteries through regular “battery replacement fee” • Your experience !

  9. Way forward • Increase user awareness • Analyse current recycling practise • Solar and car batteries • Select pv-systems with high quality • Develop improved recycling / replacement systems • Exchange within projects • www.endev.info recycling of PV batteries

  10. Thank you for your attention! Energising DevelopmentEnergie und Transport (4413)Deutsche Gesellschaft fürTechnische Zusammenarbeit (GTZ) GmbHPostfach 518065726 Eschborn Tel.: + 49 6196 79 4109Fax: + 49 6196 79 80 4109E-Mail: andreas.michel@gtz.deInternet: http://www.gtz.de Andreas Michel

  11. EnDev Projects – with PV systems

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