Catalyst	Substrate	Mass density (mg/cm²)	η₁₀^b (mV)	η₂₀^c (mV)	Electrolyte
Amorphous MoS₃-CV [7]	GCE		211	229	1 M H₂SO₄
WS₂ nanosheets [8]	GCE	0.285	151	177	1 M H₂SO₄
WS₂ nanosheets [9]	GCE	0.0001 - 0.0002 or ca. one continuous layer	233	275	0.5 M H₂SO₄
FeSe₂ [11]	GCE				0.5 M H₂SO₄
CoS₂ [11]	GCE		232		0.5 M H₂SO₄
Fe_0.43Co_0.57S₂ [11]	GCE		264		0.5 M H₂SO₄
CoSe₂ [11]	GCE	0.037	231		0.5 M H₂SO₄
Co_0.56Ni_0.44Se₂ [11]	GCE		250		0.5 M H₂SO₄
Co_0.32Ni_0.68S₂ [11]	GCE				0.5 M H₂SO₄
NiS₂ [11]	GCE				0.5 M H₂SO₄
NiSe₂ [11]	GCE		250		0.5 M H₂SO₄
Bulk Mo ₂C [12]	Carbon paste electrode	1.4	208	224	0.50 M H₂SO₄
Bulk MoB [12]	Carbon paste electrode	2.5	212	227	0.50 M H₂SO₄
Mo₁Soy [13]	Carbon paper	1.4	177		0.1 M HClO₄
Mo₁Soy-RGO [13]	Carbon paper	0.47	109		0.1 M HClO₄
Mo ₂C /C [13]	Carbon paper	2	311		0.1 M HClO₄
Mo ₂C /CNT [14]	Carbon paper	2	149		0.1 M HClO₄
Fe-WCN [16]	RRDE	0.4	220		H₂SO₄ (pH 1) + Na₂SO₄ ( 0.5 M )
Co_0.6Mo_1.4N₂ [17]	GCE	0.243	202	267	0.1M HClO₄
FeS₂ [18]	GCE		192.6		0.5 M H₂SO₄
Ni₂P [20]	Ti foil	1	117	130	0.50M H₂SO₄
Ni₁₂P₅ [21]	Ti foil	3		143	0.50 M H₂SO₄
CoP/CNT [22]	GCE	0.285	122		0.50 M H₂SO₄
CoP [23]	Ti foil	2		85	0.50 M H₂SO₄
CoP [30]	carbon cloth	0.92	67	100	0.50 M H₂SO₄
Ni-Mo nanopowder [31]	Ti foil	1		70	2 M NaOH
Ni-Mo nanopowder [31]	Ti foil	3		80	0.5 M H₂SO₄
Ni-Mo nanopowder [31]	Ti foil	1	79	107	1 M NaOH
MoS₃(33%)/MWCNT-NC [32]	Silver electrode	0.255	206	226	1 M H₂SO₄
Core-shell MoO₃-MoS₂ nanowires [33]	FTO		254	272	0.5 M H₂SO₄
Defect-rich MoS₂ nanosheets [34]	GCE	0.285	190	214	0.5 M H₂SO₄
MoS₂@Au [35]	Au electrode	0.00103	226		0.5 M H₂SO₄
MoS₂/RGO hybrid [36]	GCE	0.285	154	176	0.5M H₂SO₄
MoS₂/MGF [37]	GCE	0.21	146	159	0.5 M H₂SO₄
MoS₂/CNTs [38]	Glass carbon disk	0.136	184	230	0.5 M H₂SO₄
Cu₂MoS₄ [39]	GCE	0.0425	321		pH 0 H₂SO₄
WS₂/RGO [40]	GCE	0.4	265	292	0.5M H₂SO₄
Cobalt-sulfide catalyst [41]	FTO		165	227	1.0 M pH 7 PBS
NiWS_x [41]	FTO		373	430	pH 7 PBS
CoWS_x [41]	FTO		271	311	pH 7 PBS
CoMoS_x [41]	FTO		241	282	pH 7 PBS