Method for producing anode for rechargeable battery

Details Method for producing anode for rechargeable battery Method for producing anode for rechargeable battery

2007-01-09

2007-01-09

Sheehan, John P. (Department: 1742)

Powder metallurgy processes

Forming articles by uniting randomly associated metal particles

Consolidation of powders

C419S061000, C419S062000, C419S065000

Reexamination Certificate

active

10479884

ABSTRACT:
The present invention relates to a method for readily producing an anode for rechargeable batteries having conflicting properties in good balance, including the corrosion resistance and the activities such as the initial activity and the high rate discharge performance, and having excellent recyclability. The method includes the steps of mixing and molding anode materials containing an electrically conductive material and at least two kinds of AB5type hydrogen storage alloys, wherein said alloys have substantially single phase structures and the same composition, wherein each of the alloys have an average crystal long axis diameter of 30 to 350 μm, and wherein the alloys have different ratios (D1/D2) of the average crystal long axis diameter (D1) to the average short axis diameter (D2).

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patent: 5674327 (1997-10-01), Yamamoto et al.
patent: 2004/0159377 (2004-08-01), Takamaru et al.
patent: 0 570 957 (1993-05-01), None
patent: 08-138659 (1996-05-01), None
patent: 11-121009 (1999-04-01), None
patent: 2001-040442 (2001-02-01), None

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