Protective composite battery separator and electrochemical device component with red phosphorus
First Claim
1. A protective composite battery separator, consisting essentially of:
- an ionically conductive first material layer precursor comprising red phosphorus; and
a second material layer in contact with the first layer, the second material selected from the group consisting of ceramic metal ion conductors and glass ceramic active metal ion conductors;
wherein the ionic conductivity of the composite separator is at least 10−
4 S/cm.
0 Assignments
0 Petitions
Accused Products
Abstract
Disclosed are ionically conductive membranes for protection of active metal anodes and methods for their fabrication. The membranes may be incorporated in active metal negative electrode (anode) structures and battery cells. In accordance with the invention, the membrane has the desired properties of high overall ionic conductivity and chemical stability towards the anode, the cathode and ambient conditions encountered in battery manufacturing. The membrane is capable of protecting an active metal anode from deleterious reaction with other battery components or ambient conditions while providing a high level of ionic conductivity to facilitate manufacture and/or enhance performance of a battery cell in which the membrane is incorporated.
-
Citations
16 Claims
-
1. A protective composite battery separator, consisting essentially of:
-
an ionically conductive first material layer precursor comprising red phosphorus; and a second material layer in contact with the first layer, the second material selected from the group consisting of ceramic metal ion conductors and glass ceramic active metal ion conductors; wherein the ionic conductivity of the composite separator is at least 10−
4 S/cm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
Specification