Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2003-10-14
2008-10-07
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S246000, C429S231950, C429S218100, C429S245000, C429S315000, C429S321000
Reexamination Certificate
active
07432017
ABSTRACT:
Electrochemical structures with a protective interlayer for prevention of deleterious reactions between an active metal electrode and polymer electrolytes, and methods for their fabrication. The structures may be incorporated in battery cells. The interlayer is capable of protecting an active metal anode and a polymer electrolyte from deleterious reaction with one another while providing a high level of ionic conductivity to enhance performance of a battery cell in which the structure is incorporated. The interlayer has a high ionic conductivity, at least 10−7S/cm, generally at least 10−6S/cm, and as high as 10−3S/cm or higher. The interlayer may be composed, in whole or in part, of active metal nitrides, active metal phosphides or active metal halides. These materials may be applied preformed, or they may be formed in situ by conversion of applied precursors on contact with the active metal anode material.
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Katz Bruce D.
Nimon Yevgeniy S.
Visco Steven J.
Chu Helen O. K.
PolyPlus Battery Company
Ryan Patrick
Weaver Austin Villeneuve & Sampson LLP
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