Recent evidence highlights a magnetic effect on electron transfer processes for the hydrogen evolution reaction (HER) [1]. To further evaluate these observations from Trasatti’s data, studies of various diamagnetic electrodes under magnetic modification were undertaken. Here, results for magnetically modified carbon black electrodes are presented. Electrodes are modified by drop casting a suspension of Nafion and carbon black onto a glassy carbon electrode. Electrodes are magnetically modified on inclusion of magnetized microparticles. HER is undertaken voltammetrically at these electrodes and evaluated for impacts on the HER rates under magnetic modification. Magnetically enhanced electron transfer rates has broad impacts on electron transfer theory and electrocatalyst design. Here, implications for design of magnetoelectrocatalysts are presented.

References

[1] Trasatti, S. Work Function, Electronegativity, and Electrochemical Behavior of Metals. III. Electrolytic Hydrogen Evolution in Acid Solution. Electroanalytical Chemistry and Interfacial Electrochemistry 39, 163-184 (1972).