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US 2018/0006296 A1Published application
Iron electrode employing a polyvinyl alcohol binder
AssigneeEncell Technology, Inc.
InventorsRandy Gene Ogg, Craig Welch, Alan Seidel
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Abstract
The present invention provides one with an iron electrode employing a binder comprised of polyvinyl alcohol (PVA) binder. In one embodiment, the invention comprises an iron based electrode comprising a single layer of a conductive substrate coated on at least one side with a coating comprising an iron active material and a binder, wherein the binder is PVA. This iron based electrode is useful in alkaline rechargeable batteries, particularly as a negative electrode in a Ni—Fe battery.
Claims15
A method of preparing an iron electrode comprising the steps of
- i) preparing a paste formulation which comprises an iron active material, sulfur and from 2 to 5 wt % of a polyvinyl alcohol binder;
- ii) providing a single layer substrate;
- and
- iii) coating the paste formulation on at least one side of the single layer substrate.
1 more element
Dependencies are inferred from the claim text.