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Synthesis and Characterization of LiNiO2 as A Cathode Material for Pulse Power Batteries

Published online by Cambridge University Press:  10 February 2011

H. S. Choe  and
K. M. Abraham
H. S. Choe
Affiliation:
EIC Laboratories, Inc., 111 Downey Street, Norwood, MA 02062, USA
K. M. Abraham
Affiliation:
EIC Laboratories, Inc., 111 Downey Street, Norwood, MA 02062, USA
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Abstract

The optimum conditions for preparing LiNiO2 with good electrochemical performance are presented. Three different methods were investigated:

• LiOH and NiO at700°C in air(Batch A),

• LiOH and NiO between 150 and 750 °C in oxygen (Batch B), and

• LiNO3 and NiCO3 between 600 and 750 °C in oxygen (Batch C).

Batch C exhibited the highest first discharge capacity of about 150 mAh/g between 2.0 and 4.0V with a solid state Li/LiNiO2 cell containing a PAN-based polymer electrolyte. Solid state carbon/LiNiO2 cells and two-cell bipolar batteries demonstrated high rate capabilities at room temperature with an ability to sustain pulsed discharge currents as high as 50 mA/cm2. About 22 500,13 000, and 1000 pulses were obtained at current densities of 10, 20, and 50 mA/cm2, respectively, with a 10 ms pulse width followed by a 50 ms interpulse rest period.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 496: Symposium Y – Materials For Electrochemical Energy Storage & Conversion II… , 1997 , 303
Copyright
Copyright © Materials Research Society 1998

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References

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