Title:
REDOX CELL
Document Type and Number:
Japanese Patent JP3163370
Kind Code:
B2
Abstract:
PURPOSE: To increase an electro motive force, and reduce the consumption of vanadium by using reduced state of vanadium as negative electrolyte, or more preferably bivalent/tervalent vanadium sulfuric acid solution, a gas permeable porous electrode carrying a catalyst at a positive side, and supplying an oxidizer or more preferably the air to a positive electrolyte for oxidizing reduction.
CONSTITUTION: Reduced state of vanadium, or more preferably bivalent/tervalent vanadium sulfuric acid solution is used as liquid for a negative electrode 3B, while a gas permeable porous electrode is used as a positive electrode 3A. Also, an oxidizer or more preferably the air is supplied to the positive electrode 3A for performing oxidizing reduction. In a redox cell using that liquid permeable porous electrode, and having liquid circulation and liquid intermittent stopping type cells with a diaphragm, reduced state of vanadium dissolved in a polar solvent is used as an active material for the negative electrode 3B of redox. Also, a gaseous or liquid oxidizer is used as an active material for the positive electrode of the redox. According to this construction, an electro motive force can be increased, and the consumption of vanadium can be reduced.
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Inventors:
Hiroko Kaneko
Akira Negishi
Ken Nozaki
Kanji Sato
Masato Nakajima
Akira Negishi
Ken Nozaki
Kanji Sato
Masato Nakajima
Application Number:
JP12892392A
Publication Date:
May 08, 2001
Filing Date:
May 21, 1992
Export Citation:
Assignee:
Director, AIST, Ministry of Economy, Trade and Industry
Kashima Kita Joint Power Generation Co., Ltd.
Kashima Kita Joint Power Generation Co., Ltd.
International Classes:
H01M8/18; (IPC1-7): H01M8/18
Domestic Patent References:
| JP62213068A |
Attorney, Agent or Firm:
Mitsuteru Soga (1 person outside)
Mitsuteru Soga (1 person outside)
Mitsuteru Soga (1 person outside)