replacement of batteries of pv-systems
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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 - PowerPoint PPT PresentationTRANSCRIPT
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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
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Content PV – Systems Rationale PV - Batteries
Dangers Electrification projects Status of replacement systems Way forward / Knowledge exchange
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PV-SystemsConsumer
Charge controllerPV-cells
BATTERY
1000 cyclesapp. 3 years
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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
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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”
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Common recycling practise Variation between rural and urban
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Battery recycling factories Bhubaneswar and Kolkata, India
Source: Blacksmith Institute 2008OK International 2008
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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 !
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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
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Thank you for your attention!
Energising DevelopmentEnergie und Transport (4413)Deutsche Gesellschaft fürTechnische Zusammenarbeit (GTZ) GmbHPostfach 518065726 EschbornTel.: + 49 6196 79 4109Fax: + 49 6196 79 80 4109E-Mail: [email protected]: http://www.gtz.de
Andreas Michel
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EnDev Projects – with PV systems
CountryPV for HH
(SHS)PV for social
inst.
Senegal x
Uganda x x
Bolivia x
Honduras x x
Nicaragua x
Ethiopia x
Mali x
Mosambique x
Bangladesh x x