FIELD: engines.
SUBSTANCE: invention relates to electrode for fuel cell, which contains carbon nanotubes; catalyst for fuel cell applied on carbon nanotubes; and ionomer, secured to cover carbon nanotubes and catalyst for fuel cell, at that, if carbon nanotube length is designated as La [μm], while spacing between carbon nanotube centers is designated as Pa [nm], length La and interval Pa between centers satisfy two expressions given below: 30 ≤ La ≤ 240; and 0.351 × La + 75 ≤ Pa ≤ 250.
EFFECT: high output power of fuel element by increasing number of places on carbon nanotubes for application of metal catalyst per unit area is technical result of invention.
13 cl, 1 tbl, 17 dwg
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