ANODE FOR ELECTROLYTIC SYNTHESIS AND METHOD FOR PRODUCING FLUORINE GAS
An anode for electrolytic synthesis ( 3 ) for electrolytically synthesizing fluorine gas. The anode includes an anode substrate ( 31 ) formed of a metallic material and a carbonaceous layer ( 33 ) formed of a carbonaceous material and arranged on the surface of the anode substrate ( 31 ). The metallic material is an iron-based alloy containing iron and nickel. Also disclosed is a method for producing fluorine gas using the anode for electrolytic synthesis.
1 . An anode for electrolytic synthesis for electrolytically synthesizing fluorine gas comprising:
an anode substrate formed of a metallic material; and
a carbonaceous layer formed of a carbonaceous material and arranged on a surface of the anode substrate, wherein
the metallic material is an iron-based alloy containing iron and nickel.
2 . The anode for electrolytic synthesis according to claim 1 , wherein the metallic material is an iron-based alloy containing iron, nickel, and cobalt.
3 . The anode for electrolytic synthesis according to claim 1 , wherein the metallic material is an iron-based alloy containing iron, nickel, cobalt, and carbon.
4 . The anode for electrolytic synthesis according to claim 1 , wherein the iron-based alloy contains 32 mass % or more and 40 mass % or less of nickel.
5 . The anode for electrolytic synthesis according to claim 2 , wherein
the iron-based alloy contains 30 mass % or more and 38 mass % or less of nickel and 3 mass % or more and 12 mass % or less of cobalt.
6 . The anode for electrolytic synthesis according to claim 3 , wherein
the iron-based alloy contains 20 mass % or more and 36 mass % or less of nickel, 3 mass % or more and 20 mass % or less of cobalt, and 0.01 mass % or more and 1.5 mass % or less of carbon.
7 . The anode for electrolytic synthesis according to claim 1 , wherein
the carbonaceous layer contains an inner layer in contact with the anode substrate and an outer layer outside the inner layer,
the inner layer is a layer in which at least one of metals constituting the iron-based alloy and carbon coexist, and
the outer layer is a layer formed of carbon.
8 . A method for producing fluorine gas comprising:
electrolyzing an electrolytic solution containing hydrogen fluoride to electrolytically synthesize fluorine gas using the anode for electrolytic synthesis according to claim 1 .
9 . The anode for electrolytic synthesis according to claim 2 , wherein
the carbonaceous layer contains an inner layer in contact with the anode substrate and an outer layer outside the inner layer,
the inner layer is a layer in which at least one of metals constituting the iron-based alloy and carbon coexist, and
the outer layer is a layer formed of carbon.
10 . The anode for electrolytic synthesis according to claim 3 , wherein
the carbonaceous layer contains an inner layer in contact with the anode substrate and an outer layer outside the inner layer,
the inner layer is a layer in which at least one of metals constituting the iron-based alloy and carbon coexist, and
the outer layer is a layer formed of carbon.
11 . The anode for electrolytic synthesis according to claim 4 , wherein
the carbonaceous layer contains an inner layer in contact with the anode substrate and an outer layer outside the inner layer,
the inner layer is a layer in which at least one of metals constituting the iron-based alloy and carbon coexist, and
the outer layer is a layer formed of carbon.
12 . The anode for electrolytic synthesis according to claim 5 , wherein
the carbonaceous layer contains an inner layer in contact with the anode substrate and an outer layer outside the inner layer,
the inner layer is a layer in which at least one of metals constituting the iron-based alloy and carbon coexist, and
the outer layer is a layer formed of carbon.
13 . The anode for electrolytic synthesis according to claim 6 , wherein
the carbonaceous layer contains an inner layer in contact with the anode substrate and an outer layer outside the inner layer,
the inner layer is a layer in which at least one of metals constituting the iron-based alloy and carbon coexist, and
the outer layer is a layer formed of carbon.
14 . A method for producing fluorine gas comprising:
electrolyzing an electrolytic solution containing hydrogen fluoride to electrolytically synthesize fluorine gas using the anode for electrolytic synthesis according to claim 2 .
15 . A method for producing fluorine gas comprising:
electrolyzing an electrolytic solution containing hydrogen fluoride to electrolytically synthesize fluorine gas using the anode for electrolytic synthesis according to claim 3 .
16 . A method for producing fluorine gas comprising:
electrolyzing an electrolytic solution containing hydrogen fluoride to electrolytically synthesize fluorine gas using the anode for electrolytic synthesis according to claim 4 .
17 . A method for producing fluorine gas comprising:
electrolyzing an electrolytic solution containing hydrogen fluoride to electrolytically synthesize fluorine gas using the anode for electrolytic synthesis according to claim 5 .
18 . A method for producing fluorine gas comprising:
electrolyzing an electrolytic solution containing hydrogen fluoride to electrolytically synthesize fluorine gas using the anode for electrolytic synthesis according to claim 6 .
19 . A method for producing fluorine gas comprising:
electrolyzing an electrolytic solution containing hydrogen fluoride to electrolytically synthesize fluorine gas using the anode for electrolytic synthesis according to claim 7 .