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송규태(Kyu Tae Song),김찬중(Chan Jung Kim),최병진(Byung Jin Choi),김대룡(Dai Ryong Kim) 한국수소및신에너지학회 1994 한국수소 및 신에너지학회논문집 Vol.5 No.1
Compaction techniques of hydrogen storage alloy powders, to solve the problems due to disintegration during the cyclic hydriding and dehydriding. by using polytetrafluoroethylene (PTFE) and silicon sealant as a polymer binder were studied. Optimum conditions of compaction were as follows. Binder content, 10% for PTFE and 5% for silicon sealant : particle size of alloy powders, -25um ; compacting pressure, 4ton/cm². Compacts obtained were easily activated and had a good strength even after 30 cycles of hydriding and dehydriding. PTFE added compacts showed very good rate capability, however, in the silicon added compacts hydrogen absorption rate was somewhat slow because of higher elasticity and adhesiveness of the binder.