DEP0049997DA - Process for the production of nickel anodes. - Google Patents
Process for the production of nickel anodes.Info
- Publication number
- DEP0049997DA DEP0049997DA DEP0049997DA DE P0049997D A DEP0049997D A DE P0049997DA DE P0049997D A DEP0049997D A DE P0049997DA
- Authority
- DE
- Germany
- Prior art keywords
- production
- nickel anodes
- write
- anodes
- aur
- 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.)
- Expired
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title 2
- 229910052759 nickel Inorganic materials 0.000 title 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 241001501267 Iseia Species 0.000 description 1
- 101100033674 Mus musculus Ren2 gene Proteins 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- KRTSDMXIXPKRQR-AATRIKPKSA-N monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 description 1
Description
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Iiickelaaodeai neigen oft. zur Passivität» d.h. ungleichmäßiger Korrosion und mr BiXduag ainas sohwsrzen Mieder*» yClr>y εΛϋ '"lor Oi^r •TX-IUshd, ia-sl ^sondere wenn sie in Lösungen »r*li2tt >U\2C2i, hoxur du-oHu ^tm g.B. pH 5 oder höher Terwen-» dgl werden, 3s war "bekannt, daß unter bestirnten Bedingungen die ILmreeeaheli von Scliwefei und Sauerstoff (in Form von Iiakel· Oxydul) in Ien InodeB dsrsn PassiTität reduziert oder aufhebt.-la Ie tat ar Seit ist mich Iaeobach-Iet worden, daß Anodens dl© aue der gX-siehen SahaeXse hergesteiXt wurden, si oh unterschiedXioh Terhieltens wobei einige aktiv unci andere passiv waren. Ss wurd< bereits gefunden, daß bei Anwssealieit eines kritischen Kupfer-gehsXtes in der Aiioclej in TerMndung mit spezifischen Mengen von Schwefel und Saaerstoff genügend Aktivität "bei verhäitnis-näßig Iiolien pikierten erreicht wurde.Iiickelaaodeai often tend. to passivity »ie uneven corrosion and mr BiXduag ainas sohwsrzen bodice *» yClr> y εΛϋ '"lor Oi ^ r • TX-IUshd, ia-sl ^ special when in solutions» r * li2tt> U \ 2C2i, hoxur du- OHu ^ tm gB pH 5 or higher Terwen- »dgl , 3s it was" known that under certain conditions the ILmreeeaheli of sulfur and oxygen (in the form of Iiakel · Oxydul) in the inodeB dsrsn passiTity reduced or abolished.-la Ie did ar Since I Iaeobach-Iet has been that anodes s dl © aue the gX Siehen SahaeXse hergesteiXt were si oh unterschiedXioh Terhielten s with some active unci others were passive. It has already been found that if a critical copper content was found in the Aiiocle j in connection with specific amounts of sulfur and oxygen, sufficient activity was achieved in the case of relatively nasty Iiolia piqued.
Sauerstoffhaltige Anoden entmckeXn Jedoch einen .Iijsilclien5 sohXaaaartigen GherfiäohönbeXag aus MickeXoxydui, T»h t>BT gewiesen Arseitsbedingungcn unerwünscht ist, !Die vor-L"1' ^le ''Erfindung beruht auf dar Beoijaehtnngs daß ein kon-'.jT'Ji'^rter Iupfer- und Sohwefelgehait in den Anodsa einen aoi*Oxygenated anodes entmckeXn However, a .Iijsilclien 5 sohXaaaartigen GherfiäohönbeXag from MickeXoxydui, T "h t> BT pointed Arseitsbedingungcn is undesirable! The front-L" 1 '^ le''invention is based on is Beoijaehtnng s that a con-' .jt ' Ji '^ rter copper and sulfur content in the anodsa an aoi *
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als Bio.-:: --\ 0 - * ' η . Lstateres ist Torsusi^fejat weil durch. -If1Ji J bt it feineres Sore ersiait wird» as bio.- :: - \ 0 - * 'η . Lstateres is torsusi ^ feja t because by. -If 1 J i J bt it will be finer Sore ersiait »
"'S" " Jj tI-Ur αϊ H Siirig oiaer Iiir dies© jyfiiiclimg typische :p"7ülat:;:i Anode gemäß ά&Σ j.r"inCi\L>r ist bciüpiolswsi-se ί α loartcie: "'S"" J j t IU r αϊ H Siirig oiaer Iiir dies © jyfiiiclimg typical: p " 7ülat :;: i anode according to ά & Σ jr "inCi \ L> r is bciüpiolswsi-se ί α loartcie:
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!Cobalt etwa 0,5 las 0f!?i> £! Cobalt about 0.5 read 0 f! ? i> £
IIickel itest.Iickel itest.
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Claims (1)
Family
ID=
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