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High-performance Lithium-ion Cell for Space Applications (JMG190)(190Ah)

High-performance Lithium-ion Cell for Space Applications (JMG190)
190 Ah
(JMG190)
Registration date 4/14/2017
JAXA development group Research Unit I, Research and Development Directorate
View diagram See Attachment 1
Environmental resistance See Attachment 2
Patent number
(publication number)
N/A
Reference N/A
Satellite and launch date To be supplied after launch
Note N/A
Manufacturer

GS Yuasa Technology Ltd.
Kyoto-shi, Kyoto, Japan
http://www.gs-yuasa.com/gyt/jp/

Features

High-performance Lithium-ion Cell;

  • Higher specific energy : 150 Wh/kg (general)
    As for 110 Ah, specific energy : 165 Wh/kg
    (20% higher density compared with that of heritage cell)
  • Longer mission life : LEO 7 years / GEO 20 years
    (ca. 30% longer life compared with those of heritage cell)

Applications

Supply of electric power to a satellite/probe when solar power is not available (eclipse period).

Specifications

Item JMG190 Remarks
Cell type Elliptic cylinder -
Cathode LiCoO2 -
Anode Graphite -
Rated capacity 190 Ah -
Nominal capacity 205 Ah -
Nominal voltage 3.7 V -
Mass 4,590 g -
Dimensions (W×L×H) 130 mm × (52 mm) × 216 mm Excluding terminals
Energy density 165 Wh/kg, 321 Wh/L Based on nominal capacity