标准电极电势表标准电极电势可以用来计算化学电池或原电池的电化学势或电极电势。
本表中所给出的电极电势以标准氢电极为参比电极，溶液中离子有效浓度为1mol/L，气体分压为100kPa，温度为298K，所有离子的数据都在水溶液中测得。
[1][2][3][4][5][6][7][8][9]单击每栏上方的符号可将数据按元素符号或标准电极电势值排序。
注：(s) –固体；(l) –液体；(g) –气体；(aq) –水溶液；(Hg) –汞齐。
E°(V)[注半反应来源1](g) + 4 H2O + 2 e−2 NH2OH(aq) + 2 OH−−3.04 [6]NCs++e−Cs(s) −3.026 [5] (s) + 2 e−Ca(s) + 2 OH−−3.02 [11]Ca(OH)Rb++e−Rb(s) −2.98 [4]K++e−K(s) −2.931 [5] Mg++e−Mg(s) −2.93 [10] Ba2++ 2 e−Ba(s) −2.912 [5]La(OH)(s) + 3 e−La(s) + 3OH−−2.90 [5]Fr++ e−Fr(s) −2.9 [11]E°(V)[注半反应来源1]Sr2++ 2 e−Sr(s) −2.899 [5] (s) + 2 e−Sr(s) + 2 OH−−2.88 [11]Sr(OH)Ca2++ 2 e−Ca(s) −2.868 [5] Eu2++ 2 e−Eu(s) −2.812 [5] Ra2++ 2 e−Ra(s) −2.8 [5] Yb2++ 2 e−Yb(s) −2.76 [11][1] Na++e−Na(s) −2.71 [5][9] Sm2++ 2 e−Sm(s) −2.68 [11][1] No2++ 2 e−No(s) −2.50 [11]E°(V)[注半反应来源1](s) + H2O + 4 e−Hf(s) + 4 OH−−2.50 [11]HfO(OH)Th(OH)(s) + 4 e−Th(s) + 4 OH−−2.48 [11]Md2++ 2 e−Md(s) −2.40 [11] La3++ 3 e−La(s) −2.379 [5]Y3++ 3 e−Y(s) −2.372 [5] Mg2++ 2 e−Mg(s) −2.372 [5] (s) + H2O + 4 e−Zr(s) + 4OH−−2.36 [5]ZrO(OH)Pr3++ 3 e−Pr(s) −2.353 [11] Ce3++ 3 e−Ce(s) −2.336 [11]E°(V)[注半反应来源1]Er3++ 3 e−Er(s) −2.331 [11] Ho3++ 3 e−Ho(s) −2.33 [11]−+ 3 e−Al(s) + 4 OH−−2.33Al(OH)Al(OH)(s) + 3 e−Al(s) + 3OH−−2.31Tb3++ 3 e−Tb(s) −2.28(g) + 2 e−2 H−−2.25HAc3++ 3 e−Ac(s) −2.20Be++e−Be(s) −2.12 [10] Cf2++ 2 e−Cf(s) −2.12 [11]E°(V)[注半反应来源1]Am3++ 3 e−Am(s) −2.048 [11] Cf3++ 3 e−Cf(s) −1.94 [11] Am2++ 2 e−Am(s) −1.9 [11] Be2++ 2 e−Be(s) −1.85Rf4++ 4 e−Rf(s) −1.67 [12]U3++ 3 e−U(s) −1.66 [7]Al3++ 3 e−Al(s) −1.66 [9]Ti2++ 2 e−Ti(s) −1.63 [9]Bk2++ 2 e−Bk(s) −1.6 [11]E°(V)[注半反应来源1]ZrO(s) + 4 H++ 4 e−Zr(s) + 2 H2O −1.553 [5]Hf4++ 4 e−Hf(s) −1.55 [11] Zr4++ 4 e−Zr(s) −1.45 [5]Ti3++ 3 e−Ti(s) −1.37 [13] TiO(s) + 2 H++ 2 e−Ti(s) + H2O −1.31TiO3(s) + 2 H++ 2 e−2 TiO(s) + H2O −1.23−+ 2 e−Zn(s) + 4 OH−−1.199 [14]Zn(OH)Mn2++ 2 e−Mn(s) −1.185 [14]−+ 6 H++ 2 e−Fe(s) + 4HCN(aq) −1.16 [15]Fe(CN)E°(V)[注半反应来源1]V2++ 2 e−V(s) −1.175 [2] Te(s) + 2 e−Te2−−1.143 [2] Nb3++ 3 e−Nb(s) −1.099Sn(s) + 4 H++ 4 e−SnH4(g) −1.07 (s) + 3 e−In(s) + 3 OH−−0.99 [11]In(OH)SiO(s) + 4 H++ 4 e−Si(s) + 2 H2O −0.91(aq) + 3 H++ 3 e−B(s) + 3 H2O −0.89B(OH)Fe(OH)(s) + 2 e−Fe(s) + 2 OH−−0.89 [15]FeO3(s) + 3 H2O + 2 e−2Fe(OH)2(s) + 2 OH−−0.86 [15]E°(V)[注半反应来源1]TiO2++ 2 H++ 4 e−Ti(s) + H2O −0.86O+ 2 e−H2(g) + 2 OH−−0.8277 [5]2 HBi(s) + 3 H++ 3 e−BiH3−0.8 [14] Zn2++ 2 e−Zn(Hg) −0.7628 [5]Zn2++ 2 e−Zn(s) −0.7618 [5] O5(s) + 10 H++ 10 e−2 Ta(s) + 5 H2O −0.75TaCr3++ 3 e−Cr(s) −0.74[Au(CN)]−+e−Au(s) + 2 CN−−0.60Ta3++ 3 e−Ta(s) −0.6E°(V)[注半反应来源1]O + 2 e−Pb(s) + 2 OH−−0.58PbO(s) + H(s) + 2 H++ 2 e−Ti2O3(s) + H2O −0.562 TiOGa3++ 3 e−Ga(s) −0.53U4++e−U3+−0.52 [7] PO2(aq) + H++e−P(白磷[16]) + 2 H2O −0.508 [5]HHPO3(aq) + 2 H++ 2 e−H3PO2(aq) + H2O −0.499 [5]HPO3(aq) + 3 H++ 3 e−P(红磷)[16]+ 3H2O −0.454 [5]Fe2++ 2 e−Fe(s) −0.44 [9](g) + 2 H++ 2 e−HOOCCOOH(aq) −0.432 COE°(V)[注半反应来源1]Cr3++e−Cr2+−0.42Cd2++ 2 e−Cd(s) −0.40 [9] SeO32−+ 4e−+ 3H2O⇌Se + 6OH−−0.37 [17] (s) + 2 H++ 2 e−GeO(s) + H2O −0.37GeOO(s) + H2O + 2 e−2 Cu(s) + 2 OH−−0.360 [5]CuPbSO(s) + 2 e−Pb(s) + SO42−−0.3588 [5]PbSO(s) + 2 e−Pb(Hg) + SO42−−0.3505 [5]Eu3++e−Eu2+−0.35 [7]In3++ 3 e−In(s) −0.34 [2]E°(V)[注半反应来源1]Tl++e−Tl(s) −0.34 [2] Ge(s) + 4 H++ 4 e−GeH4(g) −0.29Co2++ 2 e−Co(s) −0.28 [5] PO4(aq) + 2 H++ 2 e−H3PO3(aq) + H2O −0.276 [5]HV3++e−V2+−0.26 [9]Ni2++ 2 e−Ni(s) −0.25As(s) + 3 H++ 3 e−AsH3(g) −0.23 [2] AgI(s) + e−Ag(s) + I−−0.15224[14] MoO(s) + 4 H++ 4 e−Mo(s) + 2 H2O −0.15E°(V)[注半反应来源1]Si(s) + 4 H++ 4 e−SiH4(g) −0.14Sn2++ 2 e−Sn(s) −0.13(g) + H++e−HO2•(aq) −0.13OPb2++ 2 e−Pb(s) −0.13 [9] WO(s) + 4 H++ 4 e−W(s) + 2 H2O −0.12P(红磷) + 3 H++ 3 e−PH3(g) −0.111 [5] CO(g) + 2 H++ 2 e−HCOOH(aq) −0.11Se(s) + 2 H++ 2 e−H2Se(g) −0.11E°(V)[注半反应来源1]CO(g) + 2 H++ 2 e−CO(g) + H2O −0.11SnO(s) + 2 H++ 2 e−Sn(s) + H2O −0.10 (s) + 2 H++ 2 e−SnO(s) + H2O −0.09SnO(aq) + 6 H++ 6 e−W(s) + 3 H2O −0.09 [2]WOP(白磷) + 3 H++ 3 e−PH3(g) −0.063 [5]Fe3++ 3 e−Fe(s) −0.04 [15] HCOOH(aq) + 2 H++ 2 e−HCHO(aq) + H2O −0.032 H++ 2 e−H2(g)0.00 ≡0 AgBr(s) + e−Ag(s) + Br−+0.07133[14]E°(V)[注半反应来源1]O62−+ 2 e−2 S2O32−+0.08S4FeO4(s) + 8 H++ 8 e−3 Fe(s) + 4 H2O +0.085 [8]N(g) + 2 H2O + 6H++ 6 e−2 NH4OH(aq) +0.092O + 2 e−Hg(l) + 2 OH−+0.0977HgO(s) + H)42++e−Cu(NH3)2++ 2 NH3+0.10 [2]Cu(NH)63++e−Ru(NH3)62++0.10 [7]Ru(NHH4(aq) + 4 H2O + 2 e−2 NH4++ 4 OH−+0.11 [6]NMoO4(aq) + 6 H++ 6 e−Mo(s) + 4 H2O +0.11HGe4++ 4 e−Ge(s) +0.12半反应E ° (V)[注1] 来源C(s ) + 4 H+ + 4 e − CH 4(g ) +0.13 [2] HCHO(aq ) + 2 H+ + 2 e − CH 3OH(aq ) +0.13 S(s ) + 2 H+ + 2 e − H 2S(g ) +0.14 Sn4+ + 2 e − Sn 2+ +0.15 Cu2+ + e − Cu + +0.159 [2] HSO4− + 3 H + + 2 e − SO 2(aq ) + 2 H 2O +0.16 UO22+ + e − UO 2+ +0.163 [7] SO42− + 4 H + + 2 e − SO 2(aq ) + 2 H 2O +0.17 TiO2+ + 2 H + + e − Ti 3+ + H 2O +0.19E°(V)[注半反应来源1]Bi3++ 2e−Bi++0.2SbO++ 2 H++ 3 e−Sb(s) + H2O +0.20AgCl(s) + e−Ag(s) + Cl−+0.22233[14] AsO3(aq) + 3 H++ 3 e−As(s) + 3 H2O +0.24HGeO(s) + 2 H++ 2 e−Ge(s) + H2O +0.26+ 4 H++e−U4++ 2 H2O +0.273 [7]UO+e−2 At-+0.3 [11]AtRe3++ 3 e−Re(s) +0.300Bi3++ 3 e−Bi(s) +0.32E°(V)[注半反应来源1]VO2++ 2 H++e−V3++ H2O +0.34Cu2++ 2 e−Cu(s) +0.340 [2] ]3−+e−[Fe(CN)6]4−+0.36[Fe(CN)Tc2++ 2 e−Tc(s) +0.40 [11](g) + 2 H2O + 4 e−4 OH−(aq) +0.40 [9]OHMoO4+ 6 H++ 3 e−Mo3++ 2 H2O +0.43Ru2++ 2 e−Ru(s) +0.455 [11]Bi++e−Bi(s) +0.50CHOH(aq) + 2 H++ 2 e−CH4(g) + H2O +0.50半反应E ° (V)[注1] 来源SO2(aq ) + 4 H + + 4 e − S(s ) + 2 H 2O +0.50 Cu+ + e − Cu(s ) +0.520 [2] CO(g ) + 2 H+ + 2 e − C(s ) + H 2O +0.52 I3− + 2 e − 3 I − +0.53 [9] I2(s ) + 2 e − 2 I − +0.54 [9][AuI4]− + 3 e − Au(s ) + 4 I − +0.56 H3AsO 4(aq ) + 2 H + + 2 e − H 3AsO 3(aq ) + H 2O +0.56[AuI2]− + e − Au(s ) + 2 I − +0.58 MnO4− + 2 H 2O + 3 e − MnO 2(s ) + 4 OH − +0.59半反应E°(V)[注1]来源Rh++e−Rh(s) +0.600 [11]S2O32 −+ 6 H++ 4 e−2 S(s) + 3 H2O +0.60Fc++ e−Fc(s) +0.641 [18]+ e−Ag +−+0.643 [11]H2MoO4(aq) + 2 H++ 2 e−MoO2(s) + 2 H2O +0.65+ 2 H++ 2 e−+0.6992 [14] O2(g) + 2 H++ 2 e−H2O2(aq) +0.70Tl3++ 3 e−Tl(s) +0.72半反应E ° (V)[注1] 来源PtCl62− + 2 e − PtCl 42− + 2 Cl − +0.726 [7] H2SeO 3(aq ) + 4 H + + 4 e − Se(s ) + 3 H 2O +0.74 Rh3+ + 3 e − Rh(s ) +0.758 [11] PtCl42− + 2 e − Pt(s ) + 4 Cl − +0.758 [7] Fe3+ + e − Fe 2+ +0.77 Ag+ + e − Ag(s ) +0.7996 [5] Hg22+ + 2 e − 2 Hg(l ) +0.80 NO3−(aq ) + 2 H + + e − NO 2(g ) + H 2O +0.80 FeO42− + 5 H 2O + 6 e − Fe 2O 3(s ) + 10 OH − +0.81 [15]半反应E ° (V)[注1] 来源H2(g ) + 2 OH − 2 H 2O + 2 e − +0.828 [19][AuBr4]− + 3 e − Au(s ) + 4 Br − +0.85 Hg2+ + 2 e − Hg(l ) +0.85 MnO4− + H + + e − HMnO 4− +0.90 2 Hg2+ + 2 e − Hg 22+ +0.91 [2] Pd2+ + 2 e − Pd(s ) +0.915 [7][AuCl4]− + 3 e − Au(s ) + 4 Cl − +0.93 MnO2(s ) + 4 H + + e − Mn 3+ + 2 H 2O +0.95[AuBr2]− + e − Au(s ) + 2 Br − +0.96半反应E ° (V)[注1] 来源[HXeO6]3− + 2 H 2O + 2 e − +[HXeO 4]− + 4 OH − +0.99 [20]HNO 2 + H + + e - = NO (g) + H2O +0.996 H6TeO 6(aq ) + 2 H + + 2 e − TeO 2(s ) + 4 H 2O +1.02 [21] Br2(l ) + 2 e − 2 Br − +1.07 Br2(aq ) + 2 e − 2 Br − +1.09 [9] NO 2(g) + H + + e - = HNO 2 +1.093 IO3− + 5 H + + 4 e − HIO(aq ) + 2 H 2O +1.13[AuCl2]− + e − Au(s ) + 2 Cl − +1.15半反应E ° (V)[注1] 来源HSeO4− + 3 H + + 2 e − H 2SeO 3(aq ) + H 2O +1.15 Ir3+ + 3 e − Ir(s ) +1.156 [11] Ag2O(s ) + 2 H + + 2 e − 2 Ag(s ) + H 2O +1.17 ClO3− + 2 H + + e − ClO 2(g ) + H 2O +1.18[HXeO6]3− + 5 H 2O + 8 e − Xe(g ) + 11 OH − +1.18 [20] Pt2+ + 2 e − Pt(s ) +1.188 [7] ClO2(g ) + H + + e − HClO 2(aq ) +1.19 2 IO3− + 12 H + + 10 e − I 2(s ) + 6 H 2O +1.20 ClO4− + 2 H + + 2 e − ClO 3− + H 2O +1.20E°(V)[注半反应来源1](g) + 4 H++ 4 e−2 H2O+1.229 [9]O(s) + 4 H++ 2 e−Mn2++ 2H2O +1.23MnO[HXeO]−+ 3 H2O + 6 e−Xe(g) + 7 OH−+1.24 [20]Tl3++ 2 e−Tl++1.25O72 −+ 14 H++ 6 e−2 Cr3++ 7 H2O +1.33Cr(g) + 2 e−2 Cl−+1.36 [9]Cl(s) + 4 H++e−Co3++ 2 H2O +1.42CoO2 NHOH++ H++ 2 e−N2H5++ 2 H2O +1.42 [6]2 HIO(aq) + 2 H++ 2 e−I2(s) + 2 H2O +1.44半反应E ° (V)[注1] 来源Ce4+ + e − Ce 3+ +1.44 BrO3− + 5 H + + 4 e − HBrO(aq ) + 2 H 2O +1.45 β-PbO2(s ) + 4 H + + 2 e − Pb 2+ + 2 H 2O +1.460 [2] α-PbO2(s ) + 4 H + + 2 e − Pb 2+ + 2 H 2O +1.468 [2] 2 BrO3− + 12 H + + 10 e − Br 2(l ) + 6 H 2O +1.48 2ClO3− + 12 H + + 10 e − Cl 2(g ) + 6 H 2O +1.49 HO2 + H + + e − H 2O 2 +1.495 [11] MnO4− + 8 H + + 5 e − Mn 2+ + 4 H 2O +1.51 HO2• + H + + e − H 2O 2(aq ) +1.51半反应E ° (V)[注1] 来源Au3+ + 3 e − Au(s ) +1.52 NiO2(s ) + 4 H + + 2 e − Ni 2+ + 2 OH − +1.59 2 HClO(aq ) + 2 H+ + 2 e − Cl 2(g ) + 2 H 2O +1.63 Ag2O 3(s ) + 6 H + + 4 e − 2 Ag + + 3 H 2O +1.67 HClO2(aq ) + 2 H + + 2 e − HClO(aq ) + H 2O +1.67 Pb4+ + 2 e − Pb 2+ +1.69 [2] MnO4− + 4 H + + 3 e − MnO 2(s ) + 2 H 2O +1.70 AgO(s ) + 2 H+ + e − Ag + + H 2O +1.77半反应E ° (V)[注1] 来源 H2O 2(aq ) + 2 H + + 2 e − 2 H 2O +1.776 Co3+ + e − Co 2+ +1.82 Au+ + e − Au(s ) +1.83 [2] BrO4− + 2 H + + 2 e − BrO 3− + H 2O +1.85 Ag2+ + e − Ag + +1.98 [2] S2O 82− + 2 e − 2 SO 42− +2.07 O3(g ) + 2 H + + 2 e − O 2(g ) + H 2O +2.075 [7] HMnO4− + 3 H + + 2 e − MnO 2(s ) + 2 H 2O +2.09 XeO3(aq ) + 6 H + + 6 e − Xe(g ) + 3 H 2O +2.12 [20]半反应E ° (V)[注1] 来源H4XeO 6(aq ) + 8 H + + 8 e − Xe(g ) + 6 H 2O +2.18 [20] FeO42− + 3 e − + 8 H + Fe 3+ + 4 H 2O +2.20 [22] XeF2(aq ) + 2 H + + 2 e − Xe(g ) + 2HF(aq ) +2.32 [20] H4XeO 6(aq ) + 2 H + + 2 e − XeO 3(aq ) + H 2O +2.42 [20] F2(g ) + 2 e − 2 F − +2.87 [2][9] F2(g ) + 2 H + + 2 e − 2 HF(aq ) +3.05 [2] Tb4+ + e − Tb 3+ +3.05 [11]Welcome To Download !!!欢迎您的下载，资料仅供参考！。
