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News Release from: Saft Space and Defence Batteries | Subject: Saft primary lithium batteries
Edited by the Electronicstalk Editorial
Team on 11 March 2008
Batteries power space truck
Saft has designed, developed and supplied all eight onboard primary and rechargeable batteries required for the ATV Jules Verne.
Saft specialised primary and rechargeable spaceflight batteries are powering the ATV (automated transfer vehicle) Jules Verne, the most challenging spacecraft ever engineered and produced in Europe, on its maiden mission to resupply the International Space Station (ISS) On the morning of 9th March 2008, the 19.4-tonne ATV was placed successfully in a low earth orbit by an Ariane-5 vehicle released from the Kourou spaceport in French Guiana
This article was originally published on Electronicstalk on 18 Dec 2006 at 8.00am (UK)
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It is ferrying a load of propellants, food, water and scientific equipment and will be the first European spacecraft to autonomously dock with the ISS.
Once docked, the ATV will become an extension of the space station, orbiting around 300km above the Earth.
When its month-long mission is complete the ATV will be loaded with 6.5 tonnes of waste and separated from the ISS to fully burn up during a guided and controlled re-entry to the atmosphere high over the Pacific Ocean.
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Saft offers the highest performance LiFePO4 cells available today, measured in specific power or specific energy.
Jules Verne is the first in a programme of five ATVs planned to resupply the ISS at approximately 12-month intervals.
Saft has designed, developed and supplied all eight onboard primary and rechargeable batteries required for the ATV Jules Verne and has a long-term contract with EADS Astrium Space Transportation to supply all the batteries for future ATV missions until 2011.
The programme which required the co-ordination of a number of manufacturing sites and two different battery technologies.
Saft primary lithium batteries (Li-MnO2) offer advantages for spacecraft as their high specific energy helps to reduce the overall weight.
They also comply with safety qualifications for manned flight missions.
This is important, because while the ATV will travel as an unmanned automated space vehicle, once docked it will function as an integral part of the manned space station.
Two primary lithium batteries will play a key role by supplying power for the separation of the ATV from the ISS at the end of its mission, and two other identical batteries will power the emergency procedures.
100 minutes after lift-off, the ATV became a fully automated spacecraft navigating towards the ISS.
During this phase, its main power is derived from four large solar wings with backup provided by four nickel-cadmium (Ni-Cd) batteries.
Once docked, the Ni-Cd batteries will continue to provide power for the ATV during the approximately 30 minute periods of each 90 minute orbit that its solar panels are eclipsed by the Earth's shadow. Request a free brochure from Saft Space and Defence Batteries ...
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