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:2001-04-09:(1975-),(),,,,(,310014):对电解法制取铜粉的工艺进行了研究,探讨了电解液的稳定性及各工艺条件如离子浓度电流密度温度等对铜粉性能的影响采用电解铜和钛为阳极,不锈钢为阴极,以180g/LH2SO4和8g/LCu2+为电解体系,阴极电流密度为6A/dm2的工艺条件下稳定获得平均粒径为12Lm的铜粉阴极电流效率为72%产品经BTA试剂处理后可长期贮存:铜粉;电解法:TF123.1+3:A:1006-6543(2001)06-0026-04MANUFACTUREOFCOPPERPOWDERSBYELECTROLYSISZHENGJing-wu,JIANGL-iqiang(InstituteofMaterialsScienceEngineering,ZhejiangUniversityofTechnology,HangzhouZhejiang310014,China)Abstract:Theprocessofelectrolyticmanufacturingofcopperpowdersisstudiedinthiswork.Thestabilityofelectrolytesolutionandtheeffectsofsomeparametersin-cludingconcentrationofCu2+andH+,cathodecurrentdensity,temperature,etc.,ontheperformanceofCupowdersareinvestigated.Theresultsshowthatthecopperpowderswithaveragediameterof12Lmcanbealwaysobtainedundersuitablecond-itionsasfollows:anodeiscopperandtitanium,cathodeisstainlesssteel,electrolyteis180g/LH2SO4and8g/LCu2+andcathodecurrentdensityis6A/dm2.Thecathodecurrentefficiencyis72%.AftertheproductsweretreatedwithBTAagent,theyhavegreatstabilitytoant-ioxidizewhenitisstoredforalongtime.Keywords:copperpowder;electrolysis,,()[1],,,,,,116200112POWDERMETALLURGYINDUSTRYVol.11No.6Dec.2001,1,,,,,,,,,,,(50%),,,,,,,,,,,,,,22.1:yyyyyyyyyy(9918%),2B1,:[2],,,,,,,;,,,[H+],,,,118g/L(Cu2+),180g/L(H2SO4)1[Cu2+][H2SO4]p-H2SO4180g/L;w-H2SO4300g/L#27#6:(ic),,,,,,,Gc,ic,Gc,,22,5~6A/dm2,70%,12Lm2[2]Cl-Cl-,,Cl-[Cl-],,,,,,3,,,,;,,,,,25~30e2.2,,,([3]),,,:;1,,BTAH+,[4],3,3CuBTA,,BTA-Cu24h,50~60e,5min(CuSO419g/LH2SO4180g/LCl-10mg/L,SBS=1B2(SBS=1B1)5~6A/dm225e)1#28#111/%CuFePbBiZnSnNiAsSbOCS99.70.0110.00280.000700.00300.00250.07140.000360.020.170.0160.0023,GB5246-85,OMECLS-POP(III)2424,,12Lm2/Lm1010~1515~2020/%9.366.120.64.04SEM@1000116~217g/cm33(1),,,,[Cu2+](2)[Cu2+][H+],12Lm(3)BTA,[1]H.M.[M].:,1974,44.[2]%Duri%SinovÀA.FactorsInfluencingQualityofElectrolytic[J].PowderMetallurgy,1991,134:139-141.[3],.[J].,1995,(2):57-59.[4],,.[M].:,1992,256-257.##:TF125.3+1:DFujimiSurprexW2010XWC-,,Fujimi,3~8FujimiSurprexW2010XFujimi1950,Fujimi(孙世杰)#29#6: