GB1211333A - Corrosion reduction in electrochemical cells - Google Patents

Corrosion reduction in electrochemical cells

Info

Publication number
GB1211333A
GB1211333A GB2903/69A GB290369A GB1211333A GB 1211333 A GB1211333 A GB 1211333A GB 2903/69 A GB2903/69 A GB 2903/69A GB 290369 A GB290369 A GB 290369A GB 1211333 A GB1211333 A GB 1211333A
Authority
GB
United Kingdom
Prior art keywords
electrode
electrolyte
hydrogen
additional
additional 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.)
Expired
Application number
GB2903/69A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VARTA AG
Original Assignee
VARTA AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE1696549A external-priority patent/DE1696549C3/en
Application filed by VARTA AG filed Critical VARTA AG
Publication of GB1211333A publication Critical patent/GB1211333A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/70—Arrangements for stirring or circulating the electrolyte
    • H01M50/77—Arrangements for stirring or circulating the electrolyte with external circulating path
    • 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
    • H01M8/04276—Arrangements for managing the electrolyte stream, e.g. heat exchange
    • 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
    • H01M8/08—Fuel cells with aqueous electrolytes
    • 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
    • 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

Abstract

1,211,333. Fuel batteries; secondary batteries; preventing corrosion. VARTA A.G. 17 Jan., 1969 [25 Jan., 1968], No. 2903/69. Heading H1B. [Also in Division C7] A corrodible part of the electrolyte circuit of an electrochemical device which comprises at least one negative electrode or hydrogen diffusion electrode having an electrochemical potential approaching the reversible hydrogen potential, is protected against corrosion by an additional electrode having the same electrochemical character as the negative or hydrogen diffusion electrode which is connected to the electrolyte circuit and to the corrodible part. The corrodible part is one which does not corrode in the electrolyte until the potential is more positive than the hydrogen potential. Preferably a second additional electrode placed on the opposite side of the corrodible part in the electrolyte system is connected to the first additional electrode. The second additional electrode may be replaced by the most negative electrode in the device which is then connected to the first additional electrode. Ionic conduction between the additional electrode and the most positive electrode in the device is reduced by making the thread of electrolyte between the two in the electrolyte circuit of high electrical resistance. The additional electrode can be conductively connected to the positive electrode through a resistance. As shown in Fig. 1, a fuel-battery electrolyte cooler 8 is protected by additional hydrogen electrode 6 connected thereto. Corrosion protection of a MeOH/O 2 fuel battery and a Ni/Cd alkaline battery with circulating electrolyte (Figs. 4 and 6, not shown). In the latter case the additional electrode is a hydrogen electrode supplied with hydrogen by an electrolyser powered by the battery.
GB2903/69A 1968-01-25 1969-01-17 Corrosion reduction in electrochemical cells Expired GB1211333A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1696549A DE1696549C3 (en) 1968-01-25 1968-01-25 Device for corrosion protection in the electrolyte circuit of an electrochemical cell

Publications (1)

Publication Number Publication Date
GB1211333A true GB1211333A (en) 1970-11-04

Family

ID=5687943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2903/69A Expired GB1211333A (en) 1968-01-25 1969-01-17 Corrosion reduction in electrochemical cells

Country Status (2)

Country Link
FR (1) FR1595167A (en)
GB (1) GB1211333A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009148567A2 (en) * 2008-06-04 2009-12-10 Corning Incorporated Methods for diminishing or preventing the deposition of a metal oxide on an electrode surface
CN116359119A (en) * 2023-03-27 2023-06-30 浙江大学 Pipeline corrosion prevention test system based on thermoelectric chemical battery waste heat utilization and control method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009148567A2 (en) * 2008-06-04 2009-12-10 Corning Incorporated Methods for diminishing or preventing the deposition of a metal oxide on an electrode surface
WO2009148567A3 (en) * 2008-06-04 2010-01-28 Corning Incorporated Methods for diminishing or preventing the deposition of a metal oxide on an electrode surface
US7951281B2 (en) 2008-06-04 2011-05-31 Corning Incorporated Methods for diminishing or preventing the deposition of a metal oxide on an electrode surface
CN116359119A (en) * 2023-03-27 2023-06-30 浙江大学 Pipeline corrosion prevention test system based on thermoelectric chemical battery waste heat utilization and control method
CN116359119B (en) * 2023-03-27 2023-10-13 浙江大学 Pipeline corrosion prevention test system based on thermoelectric chemical battery waste heat utilization and control method

Also Published As

Publication number Publication date
FR1595167A (en) 1970-06-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees