An investigation was made of the diffusion of electrolytic H through electrodeposited (acid sulfate-borate bath) 3µ-thick Ni. The diffusivity was equal to 2.49 x 10-9 cm2/s at 30C, and equal to 4.25 x 10-9cm2/s at 50C. These values indicated that the activation energy was equal to 5.1kcal/g-atom.

I.Khristova, N.Pangarov: Izv. Otd. Khim. Nauki, Bulg. Akad. Nauk, 1972, 5[3], 387-94