수소흡장 합금 및 이차전지

• Format: Patent
• Language: Korean
• Published: 25.01.1999
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS THEREOF; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

본 발명은 주조 및 소결법으로 제조된 합금 잉곳 또는 상기 합금 잉곳의 미분쇄 생성물을 포함하는 수소흡장 합금에 관한 것으로서, 상기 합금 잉곳은 하기 화학식 1로 나타내는 것을 특징으로 한다; (상기 화학식 1에서, R1은 희토류(Y 포함)에서 선택된 적어도 하나의 원소이고; M1은 Mg의 전기음성도보다 큰 전기음성도를 가지는 원소로부터 선택된 적어도 하나의 원소(R1, Cr, Mn, Fe, Co, Cu, Zn 및 Ni 의 원소제외)이며; 그리고 a, b 및 z 는 각각 : 0.1≤a≤0.8, 0＜b≤0.9, 1-a-b＞0 및 3≤z≤3.8 조건을 만족하는 수이다) There is provided a hydrogen-absorbing alloy which contains an alloy ingot manufactured by means of a casting or sintering method or a pulverized product of the alloy ingot, and the alloy ingot being represented by the following general formula (1), wherein R1 is at least one element selected from rare earth elements (including Y), M1 is at least one element selected from elements having a larger electronegativity than that of Mg (excluding the elements of R1, Cr, Mn, Fe, Co, Cu, Zn and Ni), and a, b and z are respectively a number satisfying conditions 0.1 </= a </= 0.8, 0 < b </= 0.9, 1-a-b > 0, and 3 </= z </= 3.8.