Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2006-02-27
2010-06-22
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S231000, C429S231600
Reexamination Certificate
active
07740983
ABSTRACT:
An alkaline storage cell has a negative electrode containing hydrogen-storing alloy powder, additive powder containing metal zinc or zinc compound, and a binding agent for binding particles of the powders. The hydrogen-storing alloy powder has a composition expressed by a general expression: Ln1-xMgx(Ni1-yTy)z, where Ln represents at least one element chosen from a group consisting of the lanthanoids, Ca, Sr, Sc, Y, Ti, Zr and Hf, T represents at least one element chosen from a group consisting of V, Nb, Ta, Cr, Mo, Mn, Fe, Co, Al, Ga, Zn, Sn, In, Cu, Si, P and B, and x, y and z represent numerical values which meet 0<x<1, 0≦y≦0.5 and 2.5≦z≦4.5.
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Chinese Office Action dated Dec. 7, 2007, issued in corresponding Chinese Patent Application No. 2006100514655 and English translation.
Ryan Patrick
Sanyo Electric Co,. Ltd.
Siddiquee Muhammad
Westerman Hattori Daniels & Adrian LLP
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