ISSN 1608-4039 (Print)
ISSN 1680-9505 (Online)


ресурсные испытания

Study of the effect of cobalt content on the stability of nickel composite anode materials for solid oxide fuel cells in high humidity

In this work, the effect of humidity on the microstructural degradation of nickel-based metal– ceramic composite materials containing 0, 10, 20, 40, and 60 wt.% of cobalt in the metallic phase was investigated. The increase in cobalt concentration was found to have a beneficial effect on the stability of the microstructure and the long-term electrical conductivity, indicating the perspective of cobalt alloying as an approach to improve the performance and durability of SOFC anodes.

Accelerated charge method of the lead-acid batteries. 1. Constant current stage of the charge

Strategy of the accelerated mode of the charge, including constant current charge to 80 % state-of-charge and a pulse charge by asymmetric current to a full charge is offered. Results of the first investigation phase devoted to studying of influence of a mode constant current charge on a resource of lead-acid accumulators are presented in this work. Various influence of size of an initial charge current on degradation of positive and negative active materials and possibility of charge of the accumulator to 80 % state-of-charge for 0.5 h is demonstrated.