Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2009-03-26
2011-12-13
Dove, Tracy (Department: 1726)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S303000, C429S316000, C429S338000
Reexamination Certificate
active
08076025
ABSTRACT:
The invention relates to a paste-like mass that can be used in electrochemical structural elements, including a heterogeneous mixture of (1.) a matrix (A) containing at least one organic polymer, precursors thereof, or prepolymers thereof, and a plasticizer, and (2.) an electrochemically activatable inorganic material in the form of a solid substance (B), the material not being soluble in the matrix and in water, with the proviso that a conductor that is soluble in the plasticizer and that is different from (B) is not present in the mixture, wherein the plasticizer is present in a quantity of up to about 5% by weight, relative to the quantity of the electrochemically activatable material. Self-supporting layers or layers that are placed on a substrate can be prepared from the paste-like mass. Composite layers having electrochemical properties are obtainable by combining such a layer wherein (B) is a positive electrode material, a layer wherein (B) has solid electrolyte properties, and a layer wherein (B) is a negative electrode material and can be used in rechargeable electrochemical cells.
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Birke Peter
Salam Fatima
Dove Tracy
Duane Morris LLP
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung
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