BRB/CSPL sodium sulphur battery contract April 1980-April 1981 final report (TR-EC-028)

The chromised steel poles with an isopressed layer of flexible carbon have been taken off test even though they had shown no deterioration in electrical performance after 300 cycles. Post-mortem examination revealed spalling of the carbon layer and swelling of the substrate. It appears that isopressed grafoil only seems to...