JP6638044B2 - 水溶液電解用電極の製造方法 - Google Patents
水溶液電解用電極の製造方法 Download PDFInfo
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- JP6638044B2 JP6638044B2 JP2018178511A JP2018178511A JP6638044B2 JP 6638044 B2 JP6638044 B2 JP 6638044B2 JP 2018178511 A JP2018178511 A JP 2018178511A JP 2018178511 A JP2018178511 A JP 2018178511A JP 6638044 B2 JP6638044 B2 JP 6638044B2
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- electrode
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- electrodeposition
- alloy
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- 238000004519 manufacturing process Methods 0.000 title claims description 29
- 239000007864 aqueous solution Substances 0.000 title claims description 15
- 238000005868 electrolysis reaction Methods 0.000 title description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 50
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 44
- 229910045601 alloy Inorganic materials 0.000 claims description 37
- 239000000956 alloy Substances 0.000 claims description 37
- 238000004070 electrodeposition Methods 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 29
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 229910052759 nickel Inorganic materials 0.000 claims description 22
- 150000003839 salts Chemical class 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 238000007747 plating Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 16
- 239000001257 hydrogen Substances 0.000 description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 15
- 239000007772 electrode material Substances 0.000 description 15
- 229910017052 cobalt Inorganic materials 0.000 description 10
- 239000010941 cobalt Substances 0.000 description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 10
- 230000005611 electricity Effects 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002659 electrodeposit Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 229910018106 Ni—C Inorganic materials 0.000 description 4
- 241001274216 Naso Species 0.000 description 3
- 241000080590 Niso Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910017112 Fe—C Inorganic materials 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- BVHLGVCQOALMSV-JEDNCBNOSA-N L-lysine hydrochloride Chemical compound Cl.NCCCC[C@H](N)C(O)=O BVHLGVCQOALMSV-JEDNCBNOSA-N 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229960005337 lysine hydrochloride Drugs 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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)
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Description
NiSO4・6H2O 1.14モル
NiCl2・6H2O 0.19モル
H3BO3 0.49モル
C12H25NaSO4 0.104ミリモル
これに鉄源としてFeSO4を、炭素源として長鎖アミノ酸であるリシン塩酸塩C6H14N2O2HClを加えて用意したメッキ浴を用いて行なった。
参考例1
NiSO4・6H2O 1.14モル
NiCl2・6H2O 0.19モル
CoSO4・7H2O 0.01モル
FeSO4・7H2O 0.108モル
H3BO3 0.49モル
C12H25NaSO4 0.104ミリモル
C6H14N2O2HCl 0.4モル
硫酸を加えてpHを1.5に調整してメッキ浴とした。これは、前掲の特許文献2の合金組成の、水素発生用電極を形成するためのものである。
NiSO4・6H2O 1.14モル
NiCl2・6H2O 0.19モル
FeSO4・7H2O 0.036モル
H3BO3 0.49モル
C12H25NaSO4 0.104ミリモル
C6H14N2O2HCl 0.2モル
ニッケル基材に、電流密度500A/m2で18分間、電気量540kC/m2のメッキを行なって、酸素発生用電極を製造した。得られた電極の活物質は、厚さ8.2μmで、合金組成は、70.3原子%Ni−29.7原子%Fe−6.1原子%Cであった。
Claims (2)
- アルカリ水溶液を電解して酸素を発生させるための電極を製造する方法であって、ニッケルの可溶性塩、鉄の可溶性塩、アミノカルボン酸およびホウ酸を含有し、酸を加えてpHを2以下に調整したメッキ液を使用し、100〜300A/m2の範囲の電流密度で、かつ定電流を維持しながら電析を行なうことによって、鉄:3〜45原子%、炭素:0.6〜10原子%、残部がニッケルからなる組成の合金を、適宜の電極基材上に形成することからなる電極の製造方法。
- 電流密度200〜300A/m2の範囲で電析を行なって実施する請求項1の電極の製造方法。
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JP2018178511A JP6638044B2 (ja) | 2018-09-25 | 2018-09-25 | 水溶液電解用電極の製造方法 |
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JP2018178511A JP6638044B2 (ja) | 2018-09-25 | 2018-09-25 | 水溶液電解用電極の製造方法 |
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JP2014057267A Division JP6411042B2 (ja) | 2014-03-19 | 2014-03-19 | 水溶液電解用電極の製造方法 |
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JP2019023349A JP2019023349A (ja) | 2019-02-14 |
JP6638044B2 true JP6638044B2 (ja) | 2020-01-29 |
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