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Battery Module NP2 Nickel Metal-Hydride (Ni-MH) Battery for HEV

This is the prismatic Ni-MH battery module in a resin case featuring the new structure that is developed based on the technologies cultivated as the specialized manufacturer of battery pack systems for HEV.
The product is of the high-power type, having the output density of 1,300 W/kg (approx. 1.3 times as compared to our conventional modules) and the energy density of 46 Wh/kg. Development of a new electrode materials and the new joint structure of cells significantly reduced the internal Impedance, and reliability factors, such as lifetime characteristics, were further enhanced by improving the laminated electrode group composition. Thanks to the simple and compact pack module structure and the higher output performance of the battery, the number of batteries per vehicle can be drastically reduced, wherein space saving of 15% in terms of cubic volume and weight saving of about 25% were achieved as compared to our conventional battery packs.

Features

  • - Output Density: 1,300 W/kg
  • - Drastic reduction in the internal Impedance thanks to development of new electrode materials and the new joint structure of cells.
  • - Improvement of the laminated electrode group composition, etc., further enhanced the reliability factors including the lifetime characteristics.
  • - Development of the simple and compact new module structure and the higher output performance of the battery achieved space saving by 15% in cubic volume and weight saving of about 25% (as compared to our conventional battery packs).

Characteristics of Ni-MH Battery for HEV

Example of Output Characteristics. Example of Lifetime Characteristics.

Major Specifications

Product Name Battery Module NP2
Nominal Voltage 7.2V
Nominal Capacity 6.5Ah
Output 1350W
Energy Density 46Wh/kg
Weight 1040g
Outer Dimensions (mm) 19.6(W)×106(H)×285(L)