Figure 3. (IMAGE) Science China Press Caption (a)在Pt-Ni-Cu,Pt-Co-Cu,Pt-Cu和Cu处于平衡电位时的HER自由能图。H*在(b)Pt-Ni-Cu,(c)Pt-Co-Cu,(d)Pt-Cu和(e)Cu上吸附的电荷密度差。黄色(蓝色)等值面表示电子密度增加(减少)0.01 e /Å-3。 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.