(19)

(11)

EP 0 046 749 A1

(12)

(43) Date of publication: 10.03.1982 Bulletin 1982/10 (21) Application number: 80900778.0 (22) Date of filing: 08.05.1980

(51) International Patent Classification (IPC):  H01M 10/ 34( . ) (86) International application number: PCT/GB1980/000082 (87) International publication number: WO 1980/002472 (13.11.1980 Gazette 1980/26)

(84) Designated Contracting States: DE FR NL SE (30) Priority: 09.05.1979 GB 19790016120 05.03.1980 GB 19800007470 (71) Applicant: CHLORIDE GROUP PUBLIC LIMITED COMPANY London SW1W 0AU (GB)	(72) Inventors: PETERS, Kenneth Worsley Lancashire (GB) Culpin, Barry Bolton Lancashire (GB)