Galvanostatic cycling of lithium—titanium disulphide cells in propylene carbonate and propylene carbonate—acetonitrile electrolytes

✍ Scribed by E.J. Frazer; S. Phang

• Publisher: Elsevier Science
• Year: 1983
• Tongue: English
• Weight: 664 KB
• Volume: 10
• Category: Article
• ISSN: 0378-7753
• DOI: 10.1016/0378-7753(83)80003-2

✦ Synopsis

The galvanostatic cycling of Li-TiSz cells in 1M LiAsFJpropylene carbonate (PC)-acetonitrile (AN), 1M LiAsF,/PC and 1M LiClO,+/PC electrolytes is reported. For all electrolytes tested, the discharge capacity was always much larger on the first cycle than subsequent cycles. The capacity was also shown to be dependent on the surface area of the TiSz and the rate of charge and discharge. The general performance of the cell in LiC104/PC was a function of the condition of the lithium electrode. The cell performed best in the 1M LiAsF,/PC-AN electrolyte with respect to charge/discharge rate, active material utilisation and cycle life. Although it was possible to cycle the cell in 1M LiAsFJPC-AN more than 1000 times at current densities -1 mA cm-*, the active material utilisation was < 10% after the first 25 cycles.