Title :
Development of an advanced dimensionally stable separator for rechargeable lithium-metal disulfide batteries
Author :
Shuster, N. ; Seiger, H.N.
Author_Institution :
Westinghouse Electr. Corp., Chardon, OH, USA
Abstract :
A unique separator which is AlN powder prefused to impart dimensional stability has been developed. Cell and battery design is based upon a bipolar configuration. Test samples each having 20-cm2 area and having several porosities as well as highly uniform 200-cm2 separators have been fabricated. Extensive pulse discharge characterization of the 20-cm2 separators has verified excellent cycle life along with maintenance of dimensional stability over both time and deep discharge cycling, and complete inertness to the operating environment. Another added benefit is the separator structure´s high thermal conductivity to aid with the thermal management of sealed modules. The physical and handling characteristics of these separators, pulse discharge and cycle data including comparisons to the standard MgO powder separator, and the status of the incorporation of the full size separators into bipolar modules are presented
Keywords :
aluminium alloys; iron compounds; life testing; lithium alloys; secondary cells; AlN powder; LiAl-FeS2; advanced dimensionally stable separator; battery design; bipolar configuration; cycle life; deep discharge cycling; high thermal conductivity; pulse discharge characterization; rechargeable lithium-metal disulfide batteries; sealed modules; thermal management; time cycling; Batteries; Electrodes; Fabrication; Lithium; Particle separators; Powders; Pulse power systems; Testing; Thermal conductivity; Thermal management;
Conference_Titel :
Power Sources Symposium, 1992., IEEE 35th International
Conference_Location :
Cherry Hill, NJ
Print_ISBN :
0-7803-0552-3
DOI :
10.1109/IPSS.1992.281983
