FR2269795B1 - - Google Patents
Info
- Publication number
- FR2269795B1 FR2269795B1 FR7415112A FR7415112A FR2269795B1 FR 2269795 B1 FR2269795 B1 FR 2269795B1 FR 7415112 A FR7415112 A FR 7415112A FR 7415112 A FR7415112 A FR 7415112A FR 2269795 B1 FR2269795 B1 FR 2269795B1
- Authority
- FR
- France
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged reactants
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- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7415112A FR2269795A1 (en) | 1974-04-30 | 1974-04-30 | Charge detector for electrochemical cell - has pressure liq from two capsules in electrolyte to vary liquid interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7415112A FR2269795A1 (en) | 1974-04-30 | 1974-04-30 | Charge detector for electrochemical cell - has pressure liq from two capsules in electrolyte to vary liquid interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2269795A1 FR2269795A1 (en) | 1975-11-28 |
| FR2269795B1 true FR2269795B1 (US20050065096A1-20050324-C00069.png) | 1977-03-04 |
Family
ID=9138340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7415112A Granted FR2269795A1 (en) | 1974-04-30 | 1974-04-30 | Charge detector for electrochemical cell - has pressure liq from two capsules in electrolyte to vary liquid interface |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2269795A1 (US20050065096A1-20050324-C00069.png) |
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1974
- 1974-04-30 FR FR7415112A patent/FR2269795A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2269795A1 (en) | 1975-11-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |