1) Hydrogen Overvoltage
析氢过电势
1.
The hydrogen overvoltage of the active cathode is about 190 mV lower than that of Fe electrode in the same condition.
在相同条件下， 这种活性阴极的析氢过电势比铁阴极低１９０ ～２５０ｍＶ （ｉ ＝ １３０ ～２００ｍＡ ） 。
2) Hydrogen over potential
氢过电势
3) hydrogen overpotential
析氢过电位
1.
In order to improve the deposition rate, anti - corrosion properties and high hydrogen overpotential of electroless Ni-Co-W-P plating, the effects of the composition, pH value, temperature, rotation speed and surface active agents were respectively studied on the deposition rate and corrosion resistance of electroless Ni-Co-W-P coating.
为改善化学镀Ni-Co-W-P合金工艺镀速慢、镀层耐腐蚀性能差、析氢过电位高等问题,研究了镀液组分、pH值、温度、转速、表面活性剂对45钢上化学镀Ni-Co-W-P合金镀层沉积速度、耐腐蚀性能、镀层厚度、孔蚀率、表面形貌和硬度的影响,得出最佳镀液配方:6g/LCoSO4,24g/LNiSO4,20g/LNaH2PO2,20g/LNa2WO4·2H2O,20g/L(NH4)2SO4,24g/LNa3C6H5O7,11g/L苹果酸,pH值7。
4) overpotential of hydrogen evolution
析氢过电位
1.
The results indicate that the coated Pb not only can increase the overpotential of hydrogen evolution, but also can shift the corrosion potential of zinc electrode to the more positive position, so as to decrease the corrosion rate.
结果表明 :在泡沫镍集流体上镀铅不仅可以提高电极的析氢过电位 ,还能使其腐蚀电位正移 ,减小腐蚀程度 ;同时还能在一定程度上解决锌电极的钝化问题。
5) Overpotential
['əuvəpə'tenʃəl]
过电势
1.
Model and analysis of overpotential for anode-supported planar SOFC;
阳极支撑平板状SOFC过电势模型及分析
2.
Its overpotential was also decrea.
cm;反应室中氧气含量较高(20%)时,材料的晶化强度较小,过电势有所降低,电流密度为10mA/cm2时过电位为321mV。
3.
The relations between oxygen content and electrochemical,physical properties were convinced by the characterization of oxygen overpotential,structure,surface morphology,composition and transparency.
当O2含量增大,过电势减小,而透过率却有所降低,这与膜的结构和组分有关。
补充资料：氢过氧化四氢萘
分子式：C8H13OOH
CAS号：
性质：又称四氢萘过氧化氢（不宜称）。熔点54.5℃。70℃时，将氧气通入四氢萘24～48h制得。性质与过氧酸相似，用作氧化剂。例如，与烯烃反应，生成环氧化物，并释放四氢萘酚。与1,3,5-三甲苯反应，得到氧化产物1,3,5-三甲基本酚。
CAS号：
性质：又称四氢萘过氧化氢（不宜称）。熔点54.5℃。70℃时，将氧气通入四氢萘24～48h制得。性质与过氧酸相似，用作氧化剂。例如，与烯烃反应，生成环氧化物，并释放四氢萘酚。与1,3,5-三甲苯反应，得到氧化产物1,3,5-三甲基本酚。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条