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JPS5462195A - Water electrolyzing method using porous alumina diaphragm - Google Patents

Water electrolyzing method using porous alumina diaphragm

Info

Publication number
JPS5462195A
JPS5462195A JP12913177A JP12913177A JPS5462195A JP S5462195 A JPS5462195 A JP S5462195A JP 12913177 A JP12913177 A JP 12913177A JP 12913177 A JP12913177 A JP 12913177A JP S5462195 A JPS5462195 A JP S5462195A
Authority
JP
Japan
Prior art keywords
diaphragm
voids
electrolysis
bath
porous
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
Application number
JP12913177A
Other languages
Japanese (ja)
Other versions
JPS5740910B2 (en
Inventor
Kiichi Nagaya
Shiro Yoshizawa
Yasuhiko Ito
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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
Application filed by Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP12913177A priority Critical patent/JPS5462195A/en
Publication of JPS5462195A publication Critical patent/JPS5462195A/en
Publication of JPS5740910B2 publication Critical patent/JPS5740910B2/ja
Granted legal-status Critical Current

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
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Landscapes

  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

PURPOSE: To produce H2 and O2 with high energy efficiency in spite of low voids of porous β-Al2O3 used as a diaphragm, by carrying out electrolysis in a fused NaOH bath while supplying steam to the cathode chamber.
CONSTITUTION: H2 and O2 are produced by electrolysis in a cell using porous β-Al2O3 as a diaphragm and fused NaOH as an electrolytic bath while supplying steam to the cathode chamber. For example, when water is electrolyzed in a bath of 350°C using an α-Al2O3 diaphragm with an average pore diameter of 50 μ and a voids of 50% and a β-Al2O3 diaphragm with the same diameter and the same voids, the apparent specific resistance is 4.8Ωcm and 2.1Ωcm, respectively. By continuing the electrolysis over a long time, the former is partially broken but the latter is not changed at all.
COPYRIGHT: (C)1979,JPO&Japio
JP12913177A 1977-10-26 1977-10-26 Water electrolyzing method using porous alumina diaphragm Granted JPS5462195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12913177A JPS5462195A (en) 1977-10-26 1977-10-26 Water electrolyzing method using porous alumina diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12913177A JPS5462195A (en) 1977-10-26 1977-10-26 Water electrolyzing method using porous alumina diaphragm

Publications (2)

Publication Number Publication Date
JPS5462195A true JPS5462195A (en) 1979-05-18
JPS5740910B2 JPS5740910B2 (en) 1982-08-31

Family

ID=15001855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12913177A Granted JPS5462195A (en) 1977-10-26 1977-10-26 Water electrolyzing method using porous alumina diaphragm

Country Status (1)

Country Link
JP (1) JPS5462195A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461089A (en) * 1977-10-25 1979-05-17 Hitachi Zosen Corp Water electrolyzing method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461089A (en) * 1977-10-25 1979-05-17 Hitachi Zosen Corp Water electrolyzing method

Also Published As

Publication number Publication date
JPS5740910B2 (en) 1982-08-31

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