Synthesis · High-performance hybrid supercapacitors enabled by CoTe@CoFeTe double-shelled nanocubes

6 structured synthesis routes

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

Partial recipeSource: Main

Route 1: Other

4593 · 2.7

Metal precursorsCoTe@CoFeTe cathode

Solvents6 M KOH electrolyte

Additivesactivated carbon; cellulose filter

Work-upAC, CoTe@CoFeTe, and cellulose filter soaked in KOH, then heat-sealed in a bag.

ActivationKOH soaking before sealing.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	CoTe@CoFeTe	4 mg; mass ratio part 1	4593 · 2.7
Other	activated carbon	28 mg; mass ratio part 7	4593 · 2.7
Electrolyte	KOH	soaking/electrolyte · 6 M	4593 · 2.7
Other	cellulose filter	separator	4593 · 2.7

Partial recipeSource: Both

Route 2: Other

4592 · 2.4

Metal precursorsZIF67/CoFe-PBA nanocubes

Atmosphereair

Temperature350

Time2

Oxidant / reductantair oxidation/annealing

ActivationThermal treatment at 350 C in air for 2 h.

Show 1 structured reagent record

Role	Reagent	Amount / concentration	Source
Other	ZIF67/CoFe-PBA nanocubes	Not specified	4592 · 2.4

Partial recipeSource: Both

Route 3: Other

4592 · 2.5

Metal precursorsCo3O4@CoFe2O4, 15 mg

AdditivesTe powder, 30 mg

AtmosphereN2

Temperature600

Time2

Substrate orientationTe powder upstream in a porcelain boat in a tube furnace

Oxidant / reductantTellurisation by Te powder/telluride ions

ActivationAnnealed at 600 C for 2 h with 2 C min-1 ramp under N2.

Show 3 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	Co3O4@CoFe2O4	15 mg	4592 · 2.5
Additive	Te powder	30 mg	4592 · 2.5
Other	N2	atmosphere	4592 · 2.5

Partial recipeSource: Main

Route 4: Drop Cast

4593 · 2.7

Metal precursorsCoTe@CoFeTe product or control products

Additivesacetylene black; polytetrafluoroethylene

Substrate orientationnickel foam

Work-upCoating slurry on nickel foam.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	active product	weight ratio part 8	4593 · 2.7
Additive	acetylene black	weight ratio part 1	4593 · 2.7
Additive	polytetrafluoroethylene	weight ratio part 1	4593 · 2.7
Other	nickel foam	substrate	4593 · 2.7

Partial recipeSource: Both

Route 5: Other

4592 · 2.3

Metal precursorsZIF67, 25 mg; K3[Fe(CN)6], 100 mg

Linker precursorscyanide/ferricyanide

SolventsC2H6O, 18 mL; H2O, 10 mL

Time3

Oxidant / reductantK3[Fe(CN)6] as ferricyanide source for anion exchange

Work-upCentrifugation and repeated ethanol rinsing.

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	ZIF67	25 mg	4592 · 2.3
Solvent	C2H6O	18 mL	4592 · 2.3
Oxidant	K3[Fe(CN)6]	100 mg	4592 · 2.3
Solvent	H2O	10 mL	4592 · 2.3

Partial recipeSource: Both

Route 6: Other

4592 · 2.2

Metal precursorsCo(NO3)2.6H2O, 582 mg

Linker precursorsC4H6N2, 4.5 g

SolventsH2O; C2H6O for rinsing

AdditivesC19H42BrN, 10 mg

Time0.75

Work-upCentrifugation and extensive ethanol rinsing.

Show 5 structured reagent records

Role	Reagent	Amount / concentration	Source
Metal Source	Co(NO3)2.6H2O	582 mg	4592 · 2.2
Additive	C19H42BrN	10 mg	4592 · 2.2
Solvent	H2O	20 mL + 70 mL	4592 · 2.2
Linker	C4H6N2	4.5 g	4592 · 2.2
Solvent	C2H6O	rinsing solvent	4592 · 2.2