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The 40 Multi-Color Solar Cell and Soldier Portable Solar Battery Chargers

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The 40 Multi-Color Solar Cell and Soldier Portable Solar Battery Chargers

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    1. The 40% Multi-Color Solar Cell and Soldier Portable Solar Battery Chargers Lewis Fraas JX Crystals inc ARL Portable Power Dec. 2010

    2. Outline History of MJ Cells Proposed Soldier Portable Solar Battery Charger Proposed Schedule Progress & Status Discussion and Conclusions

    6. Over 30% commercial multi-color concentrator solar cells with

    8. A concept for a compact solar battery charger. (a) Shows 12 W Charger in folded 4”x8”x1” case. (b) The case is opened showing the folded lenses.

    9. Deployed Solar Battery Charger

    11. The JXC Engineering Team Lewis Fraas – PI; Design and reporting James Avery – Cell supply, testing, & assist in reporting Leonid Minkin – Plastic Lens and frame design and procurement Han Xiang Huang – Circuit design and fabrication; Tracker design and fabrication

    16. Deployed 36 W battery charger.

    17. Solar Charger 36 W Circuit Board Design

    19. Status 36 W Solar Charger

    21. 75 W unit viewed from north facing south showing tracking in early morning (left), at noon (middle), and in late afternoon (right) as low power clock motor turns drive screw.

    25. Conclusions We have a 2 year ARRA contract to design and fabricate small, medium, and larger portable TJ-LCPV solar battery chargers. We are procuring Fresnel lenses and cells for this project. from 3M and Boeing and JXC is designing and fabricating these solar battery chargers and delivering prototypes to ARL. JXC has fabricated four small TJ-LCPV chargers and delivered two units to ARL. The design of the medium sized charger is complete and the first unit has been delivered to ARL. Delivery of tracking 36 W and 75 W TJ-LCPV chargers is scheduled for 2011.

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