Patent US5116701A successfully refreshed from Google Patents.
US5116701A
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US
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Microporous separator composed of microspheres secured to an electrode strip
Assignee: Edgewell Personal Care Brands LLC
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Filing: 1991-02-22
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Granted: 1992-05-26
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Expires: 2011-02-22
Abstract
Abstract An electrode and separator composite composed of an electrode strip, such as a lithium strip, having a microporous separator secured to its surface in which the separator comprises a layer of insulating microspheres, such as glass microspheres measuring from 5 microns to 0.05 inch in diameter, partially embedded in the surface of the electrode strip.
Inventors
- 👤 David W. Kalisz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:10
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/4235; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M4/12; H01M50/00; H01M50/40; H01M50/409; H01M50/443; H01M50/46; H01M2200/00; H01M2200/10; H01M2200/20; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
76 words
An integral electrode and separator composite comprising an electrode strip having a microporous separator secured to its surface, said microporous separator comprising at least one layer of insulating microspheres contacting each other and partially embedded in the surface of the electrode strip and wherein said microspheres are from 5 microns to 0.05 inch in diameter and cover at least 65 percent of the area of the surface of the electrode strip defined by the microsphere layer.
Claim 2
Dependent Claim
76 words
An integral electrode and separator composite comprising an electrode strip having a microporous separator secured to its surface, said microporous separator comprising at least one layer of insulating microspheres contacting each other and partially embedded in the surface of the electrode strip and wherein said microspheres are from 5 microns to 0.05 inch in diameter and cover at least 65 percent of the area of the surface of the electrode strip defined by the microsphere layer.
Claim 3
Dependent Claim
23 words
The integral electrode and separator composite of claim 1 wherein the insulating microspheres are selected from the group consisting of glass and ceramic.
Claim 4
Dependent Claim
22 words
The integral electrode and separator composite of claim 1 wherein the diameter of the microspheres is from 5 microns to 0.05 inch.
Claim 5
Dependent Claim
23 words
The integral electrode and separator composite of claim 3 wherein the insulating microspheres are selected from the group consisting of glass and ceramic.
Claim 6
Dependent Claim
15 words
The integral electrode and separator composite of claim 1 wherein the insulating microspheres are hollow.
Claim 7
Dependent Claim
23 words
The integral electrode and separator composite of claim 5 wherein the insulating microspheres are selected from the group consisting of glass and ceramic.
Claim 8
Dependent Claim
33 words
The integral electrode and separator composite of claim 6 wherein the diameter of the insulating microspheres is from 5 microns to 0.05 inch and the wall thickness is from 0.5 to 50 microns.
Claim 9
Dependent Claim
28 words
The integral electrode and separator composite of claim 7 wherein the electrode strip is an anode material and an anode passivating agent is contained within the hollow microspheres.
Claim 10
Dependent Claim
22 words
The integral electrode and separator composite of claim 8 wherein the electrode is lithium and the passivating agent is an iron compound.
Claim 11
Dependent Claim
22 words
The integral electrode and separator composite of claim 8 wherein the electrode is lithium and the passivating agent is a zinc compound.
Claim 12
Dependent Claim
29 words
The integral electrode and separator composite of claim 1 wherein the electrode is an anode and the anode is selected from the group consisting of lithium, sodium and calcium.
Claim 13
Dependent Claim
14 words
The integral electrode and separator composite of claim 11 wherein the electrode is lithium.
Claim 14
Dependent Claim
22 words
The integral electrode and separator composite of claim 11 wherein the microspheres are selected from the group consisting of glass and ceramic.
Claim 15
Dependent Claim
23 words
The integral electrode and separator composite of claim 13 wherein the diameter of the insulating microspheres is from 5 microns to 0.05 inch.
Claim 16
Dependent Claim
14 words
The integral electrode and separator composite of claim 14 wherein the microspheres are hollow.
Claim 17
Dependent Claim
33 words
The integral electrode and separator composite of claim 15 wherein the diameter of the insulating microspheres is from 5 microns to 0.05 inch and the wall thickness is from 0.5 to 50 microns.
Claim 18
Dependent Claim
14 words
The integral electrode and separator composite of claim 15 wherein the anode is lithium.
Claim 19
Dependent Claim
16 words
The integral electrode and separator composite of claim 17 wherein the insulating microspheres are glass microspheres.
Claim 20
Dependent Claim
32 words
The integral electrode and separator composite of claim 18 wherein the diameter of the insulating microspheres is from 10 to 300 microns and the wall thickness is from 0.5 to 30 microns.
Claim 21
Dependent Claim
19 words
The integral electrode and separator composite of claim 19 wherein the insulating glass microspheres are made of soda-lime-borosilicate glass.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-05-26 | 1995-11-25 | 1996-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-26 | 1999-11-25 | 2000-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-26 | 2003-11-25 | 2004-05-26 | $7700.00 | Window Closed / Lapsed |