Table 1.

Overview on the reports that discuss the effect of adsorbed oxyanions on the OER in detail. Sorted chronologically by the year of publication.

(Pre)catalyst phase[a]	Adsorbed oxyanion	Comments	Ref.
Co3O4	SO4 2−	DFT shows that *OH/*OOH scaling relations can be broken through adsorption	[14]
CoNiFeOx	SO4 2−		[14]
NiSe2	SeO4 2−	First example of in‐situ Raman investigation and addition of oxyanion to the electrolyte	[15]
Ni(OH)2	(S/Se)O4 2−		[15]
Cu(OH)2	SeO4 2−		[15]
Co(OH)2	SeO4 2−		[15]
NiS2	SO4 2−		[15]
NiFeOOH	PO4 3−	First non‐chalcogenide oxyanion	[46]
CoFeMoO x /MoS x /SO4 2−	SO4 2−
RuFeOx	SO4 2−	Infrared spectroscopy identifies interaction with *OOH intermediate	[17]
NiFeOOH	SO4 2−/CrO4 2−/HCO3 −	First report on non‐chalcogenate adsorbed oxyanions	[16]
NiFe‐LDH	SO4 2−	Chloride oxidation suppression through sulfate addition	[49]
ZnIn2S4	SO4 2−	Photocatalytic OER	[53]
MoNiFeOOH	MoO4 2−	Time‐resolved tracking of re‐adsorption after leaching	[39]
NiFeS	SO4 2−		[54]
Co(Zn)OOH	SO4 2−		[55]
FeNiOOH	PO4 3−	Effect of adsorption on d‐band center is analyzed by DFT	[47]
Ni3S2	SO4 2−	“	[48]
NiOOH	(P/S/Se)Ox	First application for methanol oxidation, the oxyanions facilitate methanol and hydroxide adsorption	[18]

[a] For the precise stoichiometry and structure of the catalytic phases as well as reconstruction details, the referenced reports must be consulted.