JP2015178668A - 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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- JP2015178668A JP2015178668A JP2014057267A JP2014057267A JP2015178668A JP 2015178668 A JP2015178668 A JP 2015178668A JP 2014057267 A JP2014057267 A JP 2014057267A JP 2014057267 A JP2014057267 A JP 2014057267A JP 2015178668 A JP2015178668 A JP 2015178668A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 239000007864 aqueous solution Substances 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 10
- 239000003792 electrolyte Substances 0.000 title abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 62
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 42
- 239000000956 alloy Substances 0.000 claims abstract description 42
- 238000004070 electrodeposition Methods 0.000 claims abstract description 35
- 239000000203 mixture Substances 0.000 claims abstract description 35
- 150000003839 salts Chemical class 0.000 claims abstract description 30
- 229910052742 iron Inorganic materials 0.000 claims abstract description 29
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 18
- 239000001257 hydrogen Substances 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 16
- 239000010941 cobalt Substances 0.000 claims abstract description 16
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 238000007747 plating Methods 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 10
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004327 boric acid Substances 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003513 alkali Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 description 17
- 238000005868 electrolysis reaction Methods 0.000 description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 230000005611 electricity Effects 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
- 239000013078 crystal Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910017112 Fe—C Inorganic materials 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 238000006243 chemical reaction Methods 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
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 239000002659 electrodeposit Substances 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229960005337 lysine hydrochloride Drugs 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】鉄の可溶性塩およびニッケルの可溶性塩に、必要によりコバルトの可溶性塩を加え、さらに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、500A/m2以下、好ましくは300A/m2以下の電流密度で、定電流を維持しながら電析を行ない、Fe−Ni−(Co)−Cからなる組成の合金を、適宜の電極基材上に形成する。水素発生用の電極を製造する場合は、鉄:2.9〜65原子%および炭素:0.6〜10原子%を含有し、残部ニッケルまたは5原子%以上のニッケルと0.1原子%以上のコバルトとが占める合金組成である。
【選択図】図1
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。
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
Claims (6)
- アルカリ水溶液を電解して水素を発生させるための電極を製造する方法であって、鉄の可溶性塩、ニッケルの可溶性塩、コバルトの可溶性塩に加えて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、500A/m2以下の電流密度で、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:2.9〜65原子%および炭素:0.6〜10原子%を含有し、残部ニッケルまたは5原子%以上のニッケルと0.1原子%以上のコバルトとが占める組成の合金を、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。
- 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、500A/m2以下の電流密度で、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%、残部が実質的に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。
- 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、コバルトの可溶性塩、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、500A/m2以下の電流密度で、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%、コバルト:30原子%以下、残部が実質的に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300A/m2以下で電析を行なって、組成の均一性が高い合金を形成する請求項1ないし3のいずれかの電極の製造方法。
- 電流密度100〜300A/m2の範囲で電析を行なって実施する請求項4の電極の製造方法。
- 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4の電極の製造方法。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020039853A1 (ja) * | 2018-08-23 | 2020-02-27 | 昭和電工株式会社 | 電解合成用陽極、及びフッ素ガスの製造方法 |
EP3498888A4 (en) * | 2016-08-12 | 2020-04-08 | Hitachi Zosen Corporation | METHOD FOR PRODUCING ELECTRODES |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52153834A (en) * | 1976-06-17 | 1977-12-21 | M & T Chemicals Inc | Plating method and plating composition |
JPS565994A (en) * | 1979-06-18 | 1981-01-22 | Inst Francais Du Petrole | Electrode for electrolysis |
JPS5620180A (en) * | 1979-07-26 | 1981-02-25 | Showa Denko Kk | Preparation of cathode for water electrolysis |
JPS57143482A (en) * | 1981-02-27 | 1982-09-04 | Asahi Glass Co Ltd | Cathode body, its manufacture and electrolyzing method |
JP2000144470A (ja) * | 1998-11-04 | 2000-05-26 | Tosoh Corp | 低水素過電圧電極の洗浄方法 |
JP2003105466A (ja) * | 2001-09-27 | 2003-04-09 | Tosoh Corp | 水素発生用ニッケル合金電極 |
JP2005290500A (ja) * | 2004-04-01 | 2005-10-20 | Daiki Engineering Kk | 水素発生用合金電極およびその製造方法 |
WO2012035701A1 (ja) * | 2010-09-15 | 2012-03-22 | 日本特殊陶業株式会社 | スパークプラグ及びスパークプラグ用主体金具 |
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- 2014-03-19 JP JP2014057267A patent/JP6411042B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52153834A (en) * | 1976-06-17 | 1977-12-21 | M & T Chemicals Inc | Plating method and plating composition |
JPS565994A (en) * | 1979-06-18 | 1981-01-22 | Inst Francais Du Petrole | Electrode for electrolysis |
JPS5620180A (en) * | 1979-07-26 | 1981-02-25 | Showa Denko Kk | Preparation of cathode for water electrolysis |
JPS57143482A (en) * | 1981-02-27 | 1982-09-04 | Asahi Glass Co Ltd | Cathode body, its manufacture and electrolyzing method |
JP2000144470A (ja) * | 1998-11-04 | 2000-05-26 | Tosoh Corp | 低水素過電圧電極の洗浄方法 |
JP2003105466A (ja) * | 2001-09-27 | 2003-04-09 | Tosoh Corp | 水素発生用ニッケル合金電極 |
JP2005290500A (ja) * | 2004-04-01 | 2005-10-20 | Daiki Engineering Kk | 水素発生用合金電極およびその製造方法 |
JP4561149B2 (ja) * | 2004-04-01 | 2010-10-13 | アタカ大機株式会社 | 水素発生用合金電極およびその製造方法 |
WO2012035701A1 (ja) * | 2010-09-15 | 2012-03-22 | 日本特殊陶業株式会社 | スパークプラグ及びスパークプラグ用主体金具 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3498888A4 (en) * | 2016-08-12 | 2020-04-08 | Hitachi Zosen Corporation | METHOD FOR PRODUCING ELECTRODES |
WO2020039853A1 (ja) * | 2018-08-23 | 2020-02-27 | 昭和電工株式会社 | 電解合成用陽極、及びフッ素ガスの製造方法 |
JPWO2020039853A1 (ja) * | 2018-08-23 | 2021-08-12 | 昭和電工株式会社 | 電解合成用陽極、及びフッ素ガスの製造方法 |
JP7310824B2 (ja) | 2018-08-23 | 2023-07-19 | 株式会社レゾナック | 電解合成用陽極、及びフッ素ガスの製造方法 |
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