Table 6.

Summary of selected metal SACs@2D supports for electrocatalytic HER in 0.5 m H₂SO₄

Metal	Support	Working electrode	Overpotential (10 mA cm−2) [mV]	Tafel slope [mV dec−1]	Refs.
Pt	MXene	Carbon paper	30	30	29
Pt	Fe–N–C	Glassy carbon electrode	60	32	70
Pt	N‐doped graphene	Glassy carbon electrode	50	29	38
Pt	MoS2	Glassy carbon electrode	145	96	[qv: 17a]
Pd	Graphdiyne	Pd0/graphdiyne	55	47	30
Pd	MoS2	Glassy carbon electrode	78	62–80	106
Fe	N‐doped graphene	Glassy carbon electrode	202	123	107
Fe	Graphdiyne	Graphite plate	66	38	73
Ni	Graphdiyne	Graphite plate	88	45	73
Ni	Graphene	Ni substrates	50	45	71
Co	N‐doped carbon	Glassy carbon disk	133	57	43
Mo	N‐doped carbon	Glassy carbon electrode	154	86	52