CA2037898A1 - Rechargeable nickel electrode containing electrochemical cell and method - Google Patents
Rechargeable nickel electrode containing electrochemical cell and methodInfo
- Publication number
- CA2037898A1 CA2037898A1 CA2037898A CA2037898A CA2037898A1 CA 2037898 A1 CA2037898 A1 CA 2037898A1 CA 2037898 A CA2037898 A CA 2037898A CA 2037898 A CA2037898 A CA 2037898A CA 2037898 A1 CA2037898 A1 CA 2037898A1
- Authority
- CA
- Canada
- Prior art keywords
- electrode
- nickel
- conductive substrate
- electrochemical cell
- positive electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
ABSTRACT
A sealed rechargeable nickel electrode containing electrochemical cell has a pasted negative electrode having paste layers adhered to a nonforaminous conductive substrate (40), which retards growth (swelling) of the nickel electrode on cycling. In particular in a sealed rechargeable electrochemical cell having a nickel positive electrode, a pasted negative counter electrode comprised of an electrically conductive substrate and an electrochemically active material secured through adhesion to at least one face of the substrate, a separator interposed between the positive and negative electrodes, and an electrolyte, the improvement comprising the combination:
the nickel positive electrode formed of a porous conductive substrate defining passageways laterally across the positive electrode through which the electrolyte communicates, and an electrochemically active nickel based material adhered to the substrate and interconnected through the passageways to opposite sides of the positive electrode, and the electrically conductive substrate of the pasted negative electrode being substantially nonforaminous, whereby, in charging of the cell, the normal tendency of the nickel electrode to swell is retarded.
A sealed rechargeable nickel electrode containing electrochemical cell has a pasted negative electrode having paste layers adhered to a nonforaminous conductive substrate (40), which retards growth (swelling) of the nickel electrode on cycling. In particular in a sealed rechargeable electrochemical cell having a nickel positive electrode, a pasted negative counter electrode comprised of an electrically conductive substrate and an electrochemically active material secured through adhesion to at least one face of the substrate, a separator interposed between the positive and negative electrodes, and an electrolyte, the improvement comprising the combination:
the nickel positive electrode formed of a porous conductive substrate defining passageways laterally across the positive electrode through which the electrolyte communicates, and an electrochemically active nickel based material adhered to the substrate and interconnected through the passageways to opposite sides of the positive electrode, and the electrically conductive substrate of the pasted negative electrode being substantially nonforaminous, whereby, in charging of the cell, the normal tendency of the nickel electrode to swell is retarded.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/383,376 US4929519A (en) | 1989-07-20 | 1989-07-20 | Wound electrode assembly for an electrochemical cell |
| US383,376 | 1989-07-20 | ||
| US52908590A | 1990-05-25 | 1990-05-25 | |
| US529,085 | 1990-05-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2037898A1 true CA2037898A1 (en) | 1991-01-21 |
| CA2037898C CA2037898C (en) | 1994-05-24 |
Family
ID=27010160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002037898A Expired - Fee Related CA2037898C (en) | 1989-07-20 | 1990-07-13 | Rechargeable nickel electrode containing electrochemical cell and method |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2037898C (en) |
-
1990
- 1990-07-13 CA CA002037898A patent/CA2037898C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2037898C (en) | 1994-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |