Synthesis · In-Built Fabrication of MOF Assimilated Porous Hollow Carbon from Pre-Hydrolysate for Supercapacitor

7 structured synthesis routes

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

Complete recipeSource: Main

Route 1: Drop Cast

p004 / article p.4 · 2.3 Electrochemical Test

Additivescarbon black; polytetrafluoroethylene binder

Atmosphereair / not specified

Temperature60

Time8

Substrate orientationnickel foam current collector, 1.5 cm x 1.5 cm

Work-upMixture coated onto nickel foam current collector.

ActivationDried at 60 C for 8 h.

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	C1-ZIF-67 active material	8 mass parts in 8:1:1 mixture	p004 / article p.4 · 2.3 Electrochemical Test
Additive	carbon black	1 mass part in 8:1:1 mixture	p004 / article p.4 · 2.3 Electrochemical Test
Additive	polytetrafluoroethylene	1 mass part in 8:1:1 mixture	p004 / article p.4 · 2.3 Electrochemical Test

Complete recipeSource: Main

Route 2: Hydrothermal

p003 / article p.3 · 2.1.3 Preparation of the ZIF-67/Carbon

Metal precursorscobalt nitrate hexahydrate (0.470 g)

Linker precursorsdimethylimidazole (0.530 g)

Solventspre-hydrolysate (100 mL); deionized water wash

Additivespre-hydrolysate carbon source

AtmosphereN2 during carbonisation

Temperature250 hydrothermal; 800 carbonisation

Time12 hydrothermal; 2 carbonisation

Work-upMixed and stirred for 30 s at room temperature, heated in Teflon reactor, cooled, centrifuged, repeatedly washed with deionized water, dried at 80 C.

ActivationCarbonised at 800 C for 2 h with 5 C min-1 heating rate under N2.

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Cobalt nitrate hexahydrate	0.470 g	p003 / article p.3 · 2.1.3 Preparation of the ZIF-67/Carbon
Linker	dimethylimidazole	0.530 g	p003 / article p.3 · 2.1.3 Preparation of the ZIF-67/Carbon
Other	pre-hydrolysate	100 mL	p003 / article p.3 · 2.1.3 Preparation of the ZIF-67/Carbon

Complete recipeSource: Main

Route 3: Drop Cast

p004 / article p.4 · 2.3 Electrochemical Test

Additivescarbon black; polytetrafluoroethylene binder

Atmosphereair / not specified

Temperature60

Time8

Substrate orientationnickel foam current collector, 1.5 cm x 1.5 cm

Work-upMixture coated onto nickel foam current collector.

ActivationDried at 60 C for 8 h.

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	C2-ZIF-67 active material	8 mass parts in 8:1:1 mixture	p004 / article p.4 · 2.3 Electrochemical Test
Additive	carbon black	1 mass part in 8:1:1 mixture	p004 / article p.4 · 2.3 Electrochemical Test
Additive	polytetrafluoroethylene	1 mass part in 8:1:1 mixture	p004 / article p.4 · 2.3 Electrochemical Test

Complete recipeSource: Main

Route 4: Hydrothermal

p003 / article p.3 · 2.1.3 Preparation of the ZIF-67/Carbon

Metal precursorspre-formed ZIF-67 (1 g)

Linker precursorspre-formed ZIF-67 imidazolate linker component

Solventspre-hydrolysate (100 mL); deionized water wash

Additivespre-hydrolysate carbon source

AtmosphereN2 during carbonisation

Temperature250 hydrothermal; 800 carbonisation

Time12 hydrothermal; 2 carbonisation

Work-upZIF-67 and pre-hydrolysate mixed and stirred for 30 s, heated in Teflon reactor, cooled, centrifuged, repeatedly washed with deionized water, dried at 80 C.

ActivationCarbonised at 800 C for 2 h with 5 C min-1 heating rate under N2.

Show 2 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	prepared ZIF-67	1 g	p003 / article p.3 · 2.1.3 Preparation of the ZIF-67/Carbon
Other	pre-hydrolysate	100 mL	p003 / article p.3 · 2.1.3 Preparation of the ZIF-67/Carbon

Partial recipeSource: Main

Route 5: Hydrothermal

p003 / article p.3 · 2.1.3 Preparation of the ZIF-67/Carbon

Solventspre-hydrolysate (100 mL)

AtmosphereN2 during carbonisation

Temperature250 hydrothermal; 800 carbonisation

Time12 hydrothermal; 2 carbonisation

Work-upPre-hydrolysate stirred for 30 s and heated in a Teflon reactor; workup details for this comparison sample not separately specified.

ActivationCarbonised at 800 C for 2 h with 5 C min-1 heating rate under N2.

Show 1 structured reagent record

Role	Reagent	Amount / concentration	Source
Other	pre-hydrolysate	100 mL	p003 / article p.3 · 2.1.3 Preparation of the ZIF-67/Carbon

Complete recipeSource: Main

Route 6: Other

p003 / article p.3 · 2.1.1 Preparation of the Pre-Hydrolysate

Solventsdeionized water

Additivespoplar wood biomass

Temperature175

Time2

Work-upReacted liquid collected, filtered and centrifuged at 8000 r min-1.

Scalability contextUses poplar wood and water in a pulp digester.

Show 2 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Poplar wood (Henglian, Weifang, China)	mass ratio with water = 1:7	p003 / article p.3 · 2.1.1 Preparation of the Pre-Hydrolysate
Solvent	deionized water	mass ratio with poplar wood = 7:1	p003 / article p.3 · 2.1.1 Preparation of the Pre-Hydrolysate

Complete recipeSource: Main

Route 7: Other

p003 / article p.3 · 2.1.2 Preparation of the ZIF-67 (Co-MOF)

Metal precursorscobalt nitrate hexahydrate (2.328 g, 99.0%)

Linker precursorsdimethylimidazole (2.627 g, 98.0%)

Solventsanhydrous methanol; 100 mL for each solution as reported

Atmosphereambient / not specified

Temperatureroom temperature

Time24

Work-upMixed and stirred for 30 s, then stood without stirring for 24 h; purple solid collected by centrifugal precipitation and repeatedly washed with anhydrous methanol.

ActivationVacuum-dried overnight at 80 C.

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Cobalt nitrate hexahydrate	2.328 g · 99.0%	p003 / article p.3 · 2.1.2 Preparation of the ZIF-67 (Co-MOF)
Linker	dimethylimidazole	2.627 g · 98.0%	p003 / article p.3 · 2.1.2 Preparation of the ZIF-67 (Co-MOF)
Solvent	anhydrous methanol	100 mL for each solution as reported · 99.5%	p003 / article p.3 · 2.1.2 Preparation of the ZIF-67 (Co-MOF)