JP2007016303A5 - - Google Patents

Download PDF

Info

Publication number
JP2007016303A5
JP2007016303A5 JP2006045693A JP2006045693A JP2007016303A5 JP 2007016303 A5 JP2007016303 A5 JP 2007016303A5 JP 2006045693 A JP2006045693 A JP 2006045693A JP 2006045693 A JP2006045693 A JP 2006045693A JP 2007016303 A5 JP2007016303 A5 JP 2007016303A5
Authority
JP
Japan
Prior art keywords
electrode
electrolysis
oxidized
tantalum
tap water
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
JP2006045693A
Other languages
Japanese (ja)
Other versions
JP2007016303A (en
JP4290169B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2006045693A priority Critical patent/JP4290169B2/en
Priority claimed from JP2006045693A external-priority patent/JP4290169B2/en
Priority to US11/447,203 priority patent/US20060272939A1/en
Publication of JP2007016303A publication Critical patent/JP2007016303A/en
Publication of JP2007016303A5 publication Critical patent/JP2007016303A5/ja
Application granted granted Critical
Publication of JP4290169B2 publication Critical patent/JP4290169B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Description

本発明において基体2は、導電性材料として、例えば、白金(Pt)若しくは、タンタル(Ta)、ジルコニウム(Zr)、ニオブ(Nb)などの金属これらの金属2種以上の合金、或いはシリコン(Si)などにより構成される。特に、本実施例において用いられる基体2は、表面が格別に平坦であることが好ましいことから、表面が平坦に処理されたシリコンを用いる。 Base 2 in the present invention, as a conductive material, e.g., platinum (Pt) or tantalum (Ta), zirconium (Zr), niobium (Nb) metal such or these metals two or more alloys, or silicon ( Si) or the like. In particular, since the substrate 2 used in this embodiment preferably has a particularly flat surface, silicon whose surface is processed to be flat is used.


その後、当該中間層3及び表面層4が形成された基体2は、ステップS5においてマッフル炉において600℃、大気雰囲気中にて30分、熱焼成(アニール)が実行され、電解用電極1が得られる。これにより、中間層3の表面に形成された表面層4を構成する金属タンタルは、均一に酸化される。尚、当該熱焼成により金属タンタルが酸化され酸化タンタルとなるため、表面層4の厚さは、14nm〜2000nm程度となる。また、本実施例では、スパッタ法による中間層3及び表面層4の形成後、当該熱焼成が行われ、電極1表面の酸化処理がなされるが、当該電極1を電解に使用した際に、電極表面の酸化が行われるため、当該熱焼成を実行しなくてもよいものとする。

Thereafter, the substrate 2 on which the intermediate layer 3 and the surface layer 4 are formed is thermally baked (annealed) in a muffle furnace at 600 ° C. in an air atmosphere for 30 minutes in step S5, so that the electrode 1 for electrolysis is obtained. It is done. Thereby, the metal tantalum constituting the surface layer 4 formed on the surface of the intermediate layer 3 is uniformly oxidized. In addition, since a metal tantalum is oxidized and becomes a tantalum oxide by the said heat baking, the thickness of the surface layer 4 will be about 14 nm-2000 nm. Further, in this example, after the intermediate layer 3 and the surface layer 4 are formed by the sputtering method, the thermal baking is performed, and the surface of the electrode 1 is oxidized. When the electrode 1 is used for electrolysis, Since the electrode surface is oxidized, it is not necessary to perform the thermal baking.


以上の構成により、処理槽21内に水温:15℃の模擬水道水23を陽イオン交換膜24にて仕切られたアノード側及びカソード側にそれぞれ150mlずつ、合計300ml貯溜する。電解用電極1及び電極22をそれぞれアノード側の模擬水道水及びカソード側
の模擬水道水中に、陽イオン交換膜24を挟んで浸漬させる。尚、本実施例における電解用電極1及び電極22の面積は40mm×20mm(浸漬部35mm×15mm)、電極間距離は10mmとする。そして、電源25により100mA、電流密度20mA/cm2程度の定電流が電解用電極1及び電極22に印加される。

With the above configuration, the simulated tap water 23 having a water temperature of 15 ° C. is stored in the treatment tank 21 in an amount of 150 ml on each of the anode side and the cathode side partitioned by the cation exchange membrane 24, for a total of 300 ml. Electrolysis electrode 1 and electrode 22 are immersed in simulated tap water on the anode side and simulated tap water on the cathode side, with cation exchange membrane 24 interposed therebetween. In addition, the area of the electrode 1 for electrolysis and the electrode 22 in a present Example shall be 40 mm x 20 mm (immersion part 35 mm x 15 mm), and the distance between electrodes shall be 10 mm. Then, a constant current of about 100 mA and a current density of about 20 mA / cm 2 is applied to the electrolysis electrode 1 and the electrode 22 by the power source 25.

JP2006045693A 2005-06-07 2006-02-22 Electrode for electrolysis and method for producing persulfate-dissolved water using the electrode Expired - Fee Related JP4290169B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006045693A JP4290169B2 (en) 2005-06-07 2006-02-22 Electrode for electrolysis and method for producing persulfate-dissolved water using the electrode
US11/447,203 US20060272939A1 (en) 2005-06-07 2006-06-06 Electrolyzing electrode and production method of persulfuric acid-dissolving liquid by use of the electrode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005166786 2005-06-07
JP2006045693A JP4290169B2 (en) 2005-06-07 2006-02-22 Electrode for electrolysis and method for producing persulfate-dissolved water using the electrode

Publications (3)

Publication Number Publication Date
JP2007016303A JP2007016303A (en) 2007-01-25
JP2007016303A5 true JP2007016303A5 (en) 2007-11-29
JP4290169B2 JP4290169B2 (en) 2009-07-01

Family

ID=37493061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006045693A Expired - Fee Related JP4290169B2 (en) 2005-06-07 2006-02-22 Electrode for electrolysis and method for producing persulfate-dissolved water using the electrode

Country Status (2)

Country Link
US (1) US20060272939A1 (en)
JP (1) JP4290169B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008029258A2 (en) * 2006-09-05 2008-03-13 Element Six Limited Solid electrode
EP1970471A3 (en) 2007-03-07 2009-05-13 Sanyo Electric Co., Ltd. Electrode for electrolysis and electrolysis unit
JP2010001552A (en) * 2008-06-23 2010-01-07 Sanyo Electric Co Ltd Electrode for electrolysis and electrolysis unit
JP4734664B1 (en) 2010-09-17 2011-07-27 田中貴金属工業株式会社 Electrode for electrolysis, anode for electrolysis of ozone, anode for electrolysis of persulfate, and anode for chromium electrooxidation
JP6554642B2 (en) * 2015-08-20 2019-08-07 国立研究開発法人産業技術総合研究所 Method and apparatus for producing hydrogen peroxide

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6200440B1 (en) * 1995-11-03 2001-03-13 Huron Tech Corp Electrolysis cell and electrodes
JP3810043B2 (en) * 1998-09-30 2006-08-16 ペルメレック電極株式会社 Chrome plating electrode
JP3619828B2 (en) * 2001-06-21 2005-02-16 三洋電機株式会社 Electrolysis electrode, production method thereof, electrolysis method using electrolysis electrode, and electrolyzed water generator
EP1597415A4 (en) * 2003-02-14 2006-04-05 Versitech Ltd Device for and method of generating ozone
JP2006097122A (en) * 2004-08-31 2006-04-13 Sanyo Electric Co Ltd Electrode for electrolysis and method of manufacturing electrode for electrolysis
JP2007046129A (en) * 2005-08-11 2007-02-22 Sanyo Electric Co Ltd Electrode for electrolysis, and method for producing electrode for electrolysis

Similar Documents

Publication Publication Date Title
TW200427871A (en) Electrocatalytic coating with lower platinum group metals and electrode made therefrom
TW488010B (en) Chamber member made of aluminum alloy and heater block
JP2007016303A5 (en)
TWI424096B (en) Method for forming anodic oxide film
JP2009267335A (en) Substrate for solar cell and solar cell
JP5918273B2 (en) Electrodes for oxygen generation in industrial electrochemical processes.
TWI456772B (en) Transparent electrode for solar cell and manufacturing method thereof
CN101578728A (en) Alloy coating film for metal separator of fuel cell, method for producing the same, sputtering target material, metal separator and fuel cell
JP2008004498A (en) Composite layer-covered metal plate with less ncreases in contact resistance even if exposed to oxidative environment for long period
KR20040098575A (en) Electrolytic electrode and process of producing the same
JP6228891B2 (en) Titanium alloy used for separator material for fuel cell and method for producing separator material
JP6170470B2 (en) Method for producing separator material for fuel cell
JP5850927B2 (en) Sintering method
JP4622946B2 (en) Resistance thin film material, sputtering target for forming resistance thin film, resistance thin film, thin film resistor, and manufacturing method thereof.
JP2006190871A (en) Metal resistance material, resistance thin film, sputtering target, thin film resistor and manufacturing methods thereof
JP2018087377A (en) Corrosion resistant structure and fuel battery using the same
JPH11273693A (en) Separator for low temperature type fuel cell
JP6500683B2 (en) Method of surface modification of titanium base material
WO2019235047A1 (en) Anodic oxidation device, anodic oxidation method, and method for manufacturing cathode for anodic oxidation device
JP5342482B2 (en) Fuel cell separator and method for producing the same
JP4209801B2 (en) Electrode for electrolysis and method for producing the same
WO2018038061A1 (en) Titanium alloy sheet for electrode
JPH08199384A (en) Electrolyzing electrode and its production
JP5995478B2 (en) Stainless steel material with good insulation and its manufacturing method
TW200538590A (en) Method of manufacturing lithium tantalate substrate for surface acoustic wave elements and lithium tantalate substrate manufactured by the same