Mitsubishi Electric To Supply ISRO With Provide Lithium Ion Battery For INSAT

TECH SPACE

Tokyo, Japan (SPX) Dec 02, 2005
Mitsubishi Electric has signed a contract with the Indian Space Research Organization (ISRO) to develop and manufacture a Lithium-ion (Li-ion) battery for the INSAT satellite series, the Indian Space Agency's latest satellite platform.

The INSAT series will have several satellites for long distance telecommunications such as radio and TV programme distribution, meteorological earth observation, and data relay. It has payload power requirements in the range of 2500 W to 5000 W, and one of the satellites will be configured with a Li-ion Battery to provide 100% payload power support during eclipses and with a design life of 15 years in GEO orbit.

ISRO selected Mitsubishi Electric because of its optimal proposal to ISRO's demands in addition to its base of established battery technology and participation in and experiences with the Japanese government's space program and the international market.

Mitsubishi Electric's Li-ion Battery for INSAT is based on dual modules consisted of 100 Ah cells, the world largest capacity for space-use Li-ion cells. It is well known that Li-ion batteries will have several advantageous characteristics for use in satellites compared to NiH2 batteries, such as low mass and volume as well as ease of maintenance and handling. Mitsubishi Electric's 100Ah Li-ion cell in particular has an elliptic cylindrical shape, giving the battery excellent thermal and structural design.

By using cobalt in production, these cells are also better at heat decomposition than other Li-ion cells using nickel. With other built-in safety features (Shunt Circuit and By-pass Switch), Mitsubishi Electric's Li-ion Battery is reliable enough to be used in the harsh conditions of space.

The development and manufacturing of the Lithium-ion battery will be done at Mitsubishi Electric's factory in Kamakura Japan. With its well-established and robust quality management system, the battery is expected to be delivered on time with the full satisfaction of ISRO.

Mitsubishi Electric has been a pioneer of space technology development in Japan since the 1960s, and is strongly committed to international space development and satellite construction. The company's Space Programs Division has participated in a wide range of high performance payloads and bus components in more than 270 spacecrafts worldwide.

INDIA NEWS

ISRO Proposes INSAT 4E Multimedia Mobile SBand Satellite Mission

New Delhi, India (SPX) Dec 02, 2005
The Union Cabinet Thursday gave its approval to undertake design, develop & launch GSAT-6 / INSAT-4E, a multi-media mobile satellite system, at a total estimated cost of Rs. 269 crores with a foreign exchange component of Rs. 102 crores.

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