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(11)

EP 2 097 942 A2

(12)

(88) Date of publication A3: 05.04.2007 (43) Date of publication: 09.09.2009 Bulletin 2009/37 (21) Application number: 05819211.3 (22) Date of filing: 21.12.2005

(51) International Patent Classification (IPC):  H01M 8/02(2006.01) H01M 8/10(2006.01) H01M 8/04(2006.01) H01M 8/24(2006.01) (86) International application number: PCT/PT2005/000022 (87) International publication number: WO 2006/068527 (29.06.2006 Gazette 2006/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 21.12.2004 PT 10322104 (71) Applicant: Sre-Solucoes Racionais De Energia, S.A. P-2565-641 Torres Vedras (PT)

(72) Inventors: CAMPOS RODRIGUES, José João Santana, Bairro Vila P-2560-32 Torres vedras (PT) DA COSTA NETO, Rui Pedro Qta. Bela Vista Sassoeiros, P-2775-799 Carcavelos (PT) MOREIRA PINTO, Diogo Gonçalvo P-2695-119 Bobadela (PT) SOUTO LOPES, Bruno Miguel Rua 5 PA-16175-518 Caneças (PT) DE MOURA TRINDADE ELIAS, Gonçalo José P-2565-641 Ramalhal (PT) CAETANO TENREIRO, Joaquim José Inácio Belas,P-2605-249 Massamá (PT) (74) Representative: Pereira da Cruz, Joao  J. Pereira da Cruz, S.A. Rua Vitor Cordon, 14 1249-103 Lisboa 1249-103 Lisboa (PT)