Synthesis · Temperature effect on the synthesis of two Ni-MOFs with distinct performance in supercapacitor

4 structured synthesis routes

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

Complete recipeSource: Main

Route 1: Other

2 · 2.5 Electrochemical measurements

SolventsEthanol

AdditivesCarbon black and PTFE binder

AtmosphereNot specified

Temperature70

Time12

Substrate orientationNickel foam pieces, 1 cm x 2 cm

Work-upHomogeneous paste dried at 70 deg C for 12 h; 2.5 mg coated between two nickel foam pieces; pressed under 10 MPa for 5 s

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Ni-MOF-2D active material	80 wt%; 2.5 mg total electrode mixture coated	2 · 2.5 Electrochemical measurements
Additive	carbon black	10 wt%	2 · 2.5 Electrochemical measurements
Additive	PTFE	10 wt%	2 · 2.5 Electrochemical measurements
Solvent	ethanol	Not specified	2 · 2.5 Electrochemical measurements

Complete recipeSource: Main

Route 2: Hydrothermal

2 · 2.2 Synthesis of compound 1

Metal precursorsNi(NO3)2.6H2O (29.8 mg, 0.1 mmol)

Linker precursorsH2DTA (14.9 mg, 0.05 mmol)

SolventsH2O (5 mL)

AdditivesNaOH (20 uL, 1 M)

AtmosphereSealed Teflon-lined autoclave; gas atmosphere not specified

Temperature120

Time48

Work-upSlowly cooled to room temperature; product washed three times with deionised water

ActivationDried at 50 deg C in vacuum; no separate activation reported

Scalability contextYield 56% based on metal; batch autoclave synthesis.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Ni(NO3)2.6H2O	29.8 mg, 0.1 mmol	2 · 2.2 Synthesis of compound 1
Linker	H2DTA	14.9 mg, 0.05 mmol	2 · 2.2 Synthesis of compound 1
Base	NaOH	20 uL · 1 M	2 · 2.2 Synthesis of compound 1
Solvent	H2O	5 mL	2 · 2.2 Synthesis of compound 1

Complete recipeSource: Main

Route 3: Other

2 · 2.5 Electrochemical measurements

SolventsEthanol

AdditivesCarbon black and PTFE binder

AtmosphereNot specified

Temperature70

Time12

Substrate orientationNickel foam pieces, 1 cm x 2 cm

Work-upHomogeneous paste dried at 70 deg C for 12 h; 2.5 mg coated between two nickel foam pieces; pressed under 10 MPa for 5 s

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Ni-MOF-3D active material	80 wt%; 2.5 mg total electrode mixture coated	2 · 2.5 Electrochemical measurements
Additive	carbon black	10 wt%	2 · 2.5 Electrochemical measurements
Additive	PTFE	10 wt%	2 · 2.5 Electrochemical measurements
Solvent	ethanol	Not specified	2 · 2.5 Electrochemical measurements

Complete recipeSource: Main

Route 4: Hydrothermal

2 · 2.3 Synthesis of compound 2

Metal precursorsNi(NO3)2.6H2O (same as compound 1)

Linker precursorsH2DTA (same as compound 1)

SolventsH2O (same as compound 1)

AdditivesNaOH (same as compound 1)

AtmosphereSealed Teflon-lined autoclave; gas atmosphere not specified

Temperature180

Time48

Work-upReported as similar to compound 1; slow cooling, water wash and vacuum drying inferred from stated same synthesis process

ActivationNo separate activation reported

Scalability contextYield 46% based on metal; batch autoclave synthesis.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Ni(NO3)2.6H2O	same as compound 1: 29.8 mg, 0.1 mmol	2 · 2.3 Synthesis of compound 2
Linker	H2DTA	same as compound 1: 14.9 mg, 0.05 mmol	2 · 2.3 Synthesis of compound 2
Base	NaOH	same as compound 1: 20 uL · 1 M	2 · 2.3 Synthesis of compound 2
Solvent	H2O	same as compound 1: 5 mL	2 · 2.3 Synthesis of compound 2