GB1392157A - Positive electrode for a primary cell - Google Patents
Positive electrode for a primary cellInfo
- Publication number
- GB1392157A GB1392157A GB3073073A GB3073073A GB1392157A GB 1392157 A GB1392157 A GB 1392157A GB 3073073 A GB3073073 A GB 3073073A GB 3073073 A GB3073073 A GB 3073073A GB 1392157 A GB1392157 A GB 1392157A
- Authority
- GB
- United Kingdom
- Prior art keywords
- positive electrode
- parts
- liquid medium
- mixture
- primary cell
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/06—Electrodes for primary cells
- H01M4/08—Processes of manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
1392157 Primary cell positive electrode VARTA BATTERIE AG 28 June 1973 [3 July 1972] 30730/73 Heading H1B A method of making a positive electrode comprises mixing graphite and MnO 2 and introducing into this mixture a dispersion of an organic polymer in a hydrophilic liquid medium in which the polymer is insoluble. The resultant mixture is dried, if necessary, to remove a quantity of the liquid medium and is then pressed to form the electrode. The organic polymer serves as a binder, the preferred polymer being polyisobutylene and the preferred liquid medium being water. Alternative polymers mentioned are polystyrene polyolefins and partially fluorinated polyolefins. In one example 90 parts by weight of MnO 2 are mixed with 10 parts of graphite and into this mixture is introduced 1.5 parts of polyisobutylene in the form of a 10% by weight dispersion in water.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2232651 | 1972-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1392157A true GB1392157A (en) | 1975-04-30 |
Family
ID=5849586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3073073A Expired GB1392157A (en) | 1972-07-03 | 1973-06-28 | Positive electrode for a primary cell |
Country Status (4)
| Country | Link |
|---|---|
| BR (1) | BR7303534D0 (en) |
| FR (1) | FR2191282B1 (en) |
| GB (1) | GB1392157A (en) |
| ZA (1) | ZA732519B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1186373A (en) * | 1982-03-29 | 1985-04-30 | Duracell International Inc. | Electrochemical cell with compacted cathode containing polyolefin powder additive |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3113050A (en) * | 1960-09-12 | 1963-12-03 | Union Carbide Corp | Cathodes for primary and rechargeable cells |
| US3518126A (en) * | 1968-05-10 | 1970-06-30 | Yuasa Battery Co Ltd | Deferred action battery |
| US3630781A (en) * | 1968-07-03 | 1971-12-28 | Gen Electric | Process of forming rechargeable electrodes utilizing unsintered fluorocarbon binder |
-
1973
- 1973-04-12 ZA ZA732519A patent/ZA732519B/en unknown
- 1973-05-19 BR BR3534/73A patent/BR7303534D0/en unknown
- 1973-06-06 FR FR7320503A patent/FR2191282B1/fr not_active Expired
- 1973-06-28 GB GB3073073A patent/GB1392157A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR7303534D0 (en) | 1974-02-28 |
| FR2191282A1 (en) | 1974-02-01 |
| ZA732519B (en) | 1974-04-24 |
| FR2191282B1 (en) | 1976-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |