Synthesis · 2D/2D NiCo-MOFs/GO hybrid nanosheets for high-performance asymmetrical supercapacitor

7 structured synthesis routes

Completeness describes how fully the route could be reconstructed from the main article and supporting information.

Complete recipeSource: Both

Route 1: Electrochemical

main p.2 · 2.1 Synthesis of graphene oxide (GO) nanosheets

Solvents0.1 mol L-1 (NH4)2SO4 aqueous electrolyte; DMF dispersion after washing

Additives(NH4)2SO4 electrolyte

Atmospherenot specified

Time2 h ultrasonication in DMF; 48 h precipitation

Oxidant / reductantElectrochemical oxidation/exfoliation at 10 V

Work-upFilter through 0.22 um pore-diameter filter paper; wash with deionised water several times; disperse in DMF by ultrasonication; collect supernatant after 48 h precipitation.

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	graphite paper (GP)	Not specified	main p.2 · 2.1 Synthesis of graphene oxide (GO) nanosheets
Electrolyte	(NH4)2SO4	0.1 mol L-1	main p.2 · 2.1 Synthesis of graphene oxide (GO) nanosheets
Solvent	DMF	Not specified	main p.2 · 2.1 Synthesis of graphene oxide (GO) nanosheets

Partial recipeSource: SI

Route 2: Other

SI text p.3 · S3 Electrochemical measurements

Solvents2 M KOH aqueous electrolyte

Additivesactivated carbon negative electrode

Atmospherenot specified

Work-upAssembled asymmetric supercapacitor with NCMG-10 positive electrode, AC negative electrode and 2 M KOH electrolyte.

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	NCMG-10 positive electrode	Not specified	SI text p.3 · S3 Electrochemical measurements
Other	activated carbon (AC) negative electrode	Not specified	SI text p.3 · S3 Electrochemical measurements
Electrolyte	KOH solution	2 M	SI text p.3 · S3 Electrochemical measurements

Complete recipeSource: SI

Route 3: Drop Cast

SI text p.2 · S3 Electrochemical measurements

Solventsnot specified for slurry

Additives10 wt% carbon black; 10 wt% PTFE

Atmospherevacuum oven drying

Temperature60

Substrate orientationnickel foam current collector

Work-upMixed to homogeneous slurry, coated on nickel foam, pressed at 10 MPa, dried at 60 C in vacuum oven.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	NCMG-10 active material	80 wt %	SI text p.2 · S3 Electrochemical measurements
Additive	carbon black	10 wt %	SI text p.2 · S3 Electrochemical measurements
Additive	polytetrafluoroethylene (PTFE)	10 wt %	SI text p.2 · S3 Electrochemical measurements
Other	nickel foam	active material loading about 2-3 mg	SI text p.2 · S3 Electrochemical measurements

Complete recipeSource: Both

Route 4: Other

main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets

Metal precursors89.2 mg NiCl2.6H2O and 89.2 mg CoCl2.6H2O

Linker precursors125 mg p-phthalic acid (PTA)

Solvents36 mL mixed DMF/deionised water/alcohol, volume ratio 16:1:1

Additives17.8 mg GO; 0.8 mL triethylamine (TEA)

Atmospherenot specified

Temperature60 C drying

Time1 h GO ultrasonication; 5 min stirring after TEA addition; 8 h ultrasonication; overnight drying

Work-upProducts collected and dried at 60 C overnight; collection method not specified.

Show 6 structured reagent records

Role	Reagent	Amount / concentration	Source
Additive	GO	17.8 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Metal Source	NiCl2.6H2O	89.2 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Metal Source	CoCl2.6H2O	89.2 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Linker	p-phthalic acid (PTA)	125 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Solvent	DMF/deionized water/alcohol	36 mL; 16:1:1 by volume	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Base	triethylamine (TEA)	0.8 mL	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets

Complete recipeSource: Both

Route 5: Other

main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets

Metal precursors89.2 mg NiCl2.6H2O and 89.2 mg CoCl2.6H2O

Linker precursors125 mg p-phthalic acid (PTA)

Solvents36 mL mixed DMF/deionised water/alcohol, volume ratio 16:1:1

Additives26.72 mg GO; 0.8 mL TEA

Atmospherenot specified

Temperature60 C drying

TimeSame as NCMG-10: 1 h GO ultrasonication, 5 min stirring, 8 h ultrasonication, overnight drying

Work-upProducts collected and dried at 60 C overnight.

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Additive	GO	26.72 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Metal Source	NiCl2.6H2O	89.2 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Metal Source	CoCl2.6H2O	89.2 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Linker	p-phthalic acid (PTA)	125 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Base	TEA	0.8 mL	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets

Complete recipeSource: Both

Route 6: Other

main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets

Metal precursors89.2 mg NiCl2.6H2O and 89.2 mg CoCl2.6H2O

Linker precursors125 mg p-phthalic acid (PTA)

Solvents36 mL mixed DMF/deionised water/alcohol, volume ratio 16:1:1

Additives8.92 mg GO; 0.8 mL TEA

Atmospherenot specified

Temperature60 C drying

TimeSame as NCMG-10: 1 h GO ultrasonication, 5 min stirring, 8 h ultrasonication, overnight drying

Work-upProducts collected and dried at 60 C overnight.

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Additive	GO	8.92 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Metal Source	NiCl2.6H2O	89.2 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Metal Source	CoCl2.6H2O	89.2 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Linker	p-phthalic acid (PTA)	125 mg	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Base	TEA	0.8 mL	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets

Partial recipeSource: Main

Route 7: Other

main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets

Metal precursors89.2 mg NiCl2.6H2O and 89.2 mg CoCl2.6H2O, inferred from NCMG recipe

Linker precursors125 mg p-phthalic acid (PTA), inferred from NCMG recipe

SolventsDMF/deionised water/alcohol mixture, inferred from NCMG recipe

Additives0.8 mL TEA; no GO

Atmospherenot specified

Temperature60 C drying, inferred from NCMG recipe

TimeSame experimental condition as NCMG comparison samples; exact no-GO timing inferred from NCMG route

Work-upProducts collected and dried at 60 C overnight, inferred from NCMG route.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	NiCl2.6H2O	89.2 mg (inferred)	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Metal Source	CoCl2.6H2O	89.2 mg (inferred)	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Linker	p-phthalic acid (PTA)	125 mg (inferred)	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets
Base	TEA	0.8 mL (inferred)	main p.2 · 2.2 Synthesis of NiCo-MOF@GO hybrid nanosheets