Described is a thin-film battery, especially a thin-film microbattery, and a method for making same having application as a backup or primary integrated power source for electronic devices. The battery includes a novel electrolyte amorphous lithium phosphorus oxynitride which is electrochemically stable...http://www.google.co.uk/patents/US5597660?utm_source=gb-gplus-sharePatent US5597660 - Electrolyte for an electrochemical cell
