1. ELECTROCHEMICAL AND STRUCTURAL CHARACTERISTICS OF NICKEL ELECTRODE ACTIVE MATERIAL. Authors: DELIA MARIA CONSTANTIN, ELEONORA MARIA RUS, L. ONICIU.2. ELECTROCHEMICAL AND STRUCTURAL CHARACTERISTICS OF CADMIUM ELECTRODE ACTIVE MATERIAL. Authors: DELIA MARIA CONSTANTIN, ELEONORA MARIA RUS, L. ONICIU.3. LITHIUM INTERCALATION INTO TRANSITION METAL DICHALCOGENIDES. Authors: GEORGETA ŢARĂLUNGĂ, SILVIA FEŞNIC, CS. BOLLA, L. ONICIU.