cMOF Evidence Base

Synthesis evidence

Construction of hierarchical nickel cobalt selenide complex hollow spheres for pseudocapacitors with enhanced performance

Quan L., Liu T., Yi M. et al. · Electrochimica Acta · 2018 · 109-116

7 structured synthesis routes

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

Partial recipeSource: Both

Route 1: Other

110 · 2.3. Electrochemical measurements

Solventsnot specified
Additivesnot specified
Atmospherenot specified
Work-upused as the negative electrode in the ASC device; details not reported
Show 1 structured reagent record
RoleReagentAmount / concentrationSource
Otheractivated carbon (AC)Not specified110 · 2.3. Electrochemical measurements
Complete recipeSource: Main

Route 2: Solvothermal

110 · 2.1.1. Synthesis of Ni-Co-MOF precursor

Metal precursorsnickel nitrate hexahydrate; cobalt nitrate hexahydrate
Linker precursorstrimesic acid
SolventsN,N-dimethylformamide (DMF)
Additivespolyvinylpyrrolidone (PVP, K30)
Atmospherenot specified
Temperature150
Time6
Work-upcentrifuged at 8000 rpm for 7 min; washed with alcohol at least three times
Activationdried in a vacuum oven at 70 deg C for 12 h
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal Sourcenickel nitrate hexahydrate154.9 mg110 · 2.1.1. Synthesis of Ni-Co-MOF precursor
Metal Sourcecobalt nitrate hexahydrate309.8 mg110 · 2.1.1. Synthesis of Ni-Co-MOF precursor
SolventN,N-dimethylformamide (DMF)30 mL110 · 2.1.1. Synthesis of Ni-Co-MOF precursor
Additivepolyvinylpyrrolidone (PVP, K30)1 g110 · 2.1.1. Synthesis of Ni-Co-MOF precursor
Linkertrimesic acid150 mg110 · 2.1.1. Synthesis of Ni-Co-MOF precursor
Complete recipeSource: Main

Route 3: Hydrothermal

110 · 2.1.3. Synthesis of (Ni0.33Co0.67)Se2 CHSs

Metal precursorsNiCo2O4 MHSs
Solventsdeionized water
AdditivesNaOH
Atmospheresealed Teflon-lined stainless autoclave; gas atmosphere not specified
Temperature200 then 140
Time20 then 12
Oxidant / reductantSe powder; NaOH-assisted generation of Se2- ions
Work-upwashed and centrifuged with deionized water and alcohol
Activationdried at 80 deg C under vacuum overnight
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
BaseNaOH2.857 g110 · 2.1.3. Synthesis of (Ni0.33Co0.67)Se2 CHSs
ReductantSe powder0.228 g110 · 2.1.3. Synthesis of (Ni0.33Co0.67)Se2 CHSs
Solventdeionized water25 mL110 · 2.1.3. Synthesis of (Ni0.33Co0.67)Se2 CHSs
Metal SourceNiCo2O4 MHSs14 mg110 · 2.1.3. Synthesis of (Ni0.33Co0.67)Se2 CHSs
Complete recipeSource: Main

Route 4: Other

110 · 2.1.2. Synthesis of NiCo2O4 MHSs

Metal precursorsNi-Co-MOF solid spheres
Atmosphereair
Temperature400
Time2
Oxidant / reductantair oxidation during annealing
Work-upcooled to room temperature
Scalability contextRamp rate reported as 2 deg C min-1.
Show 1 structured reagent record
RoleReagentAmount / concentrationSource
OtherNi-Co-MOF precursorresulting final pink product110 · 2.1.2. Synthesis of NiCo2O4 MHSs
Partial recipeSource: Main

Route 5: Drop Cast

110 · 2.3. Electrochemical measurements

Metal precursorsNiCo2O4 MHSs
Solventsnot specified
Additivesconductive carbon black; polyvinylidene fluoride (PVDF)
Atmospherevacuum drying
Temperature80
Time12
Substrate orientationnickel foam
Work-upslurry coated on nickel foam
Activationdried at 80 deg C under vacuum for 12 h
Scalability contextActive material mass loading about 1.0-2.0 mg.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherNiCo2O4 MHSs70 wt% of slurry solids110 · 2.3. Electrochemical measurements
Additiveconductive carbon black20 wt% of slurry solids110 · 2.3. Electrochemical measurements
Additivepolyvinylidene fluoride (PVDF)10 wt% of slurry solids110 · 2.3. Electrochemical measurements
Partial recipeSource: Main

Route 6: Other

110 · 2.3. Electrochemical measurements

Metal precursors(Ni0.33Co0.67)Se2 CHS positive electrode
Additivesactivated carbon negative electrode
Atmospherenot specified
Substrate orientationtwo-electrode asymmetric supercapacitor device
Work-uppositive and negative electrode charges balanced using Q = C x DeltaV x m and m+/m- = C-DeltaV-/C+DeltaV+
Show 2 structured reagent records
RoleReagentAmount / concentrationSource
Other(Ni0.33Co0.67)Se2 CHSs positive electrodecharge balanced110 · 2.3. Electrochemical measurements
Otheractivated carbon (AC) negative electrodecharge balanced110 · 2.3. Electrochemical measurements
Partial recipeSource: Main

Route 7: Drop Cast

110 · 2.3. Electrochemical measurements

Metal precursors(Ni0.33Co0.67)Se2 CHSs
Solventsnot specified
Additivesconductive carbon black; polyvinylidene fluoride (PVDF)
Atmospherevacuum drying
Temperature80
Time12
Substrate orientationnickel foam
Work-upslurry coated on nickel foam
Activationdried at 80 deg C under vacuum for 12 h
Scalability contextActive material mass loading about 1.0-2.0 mg.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Other(Ni0.33Co0.67)Se2 CHSs70 wt% of slurry solids110 · 2.3. Electrochemical measurements
Additiveconductive carbon black20 wt% of slurry solids110 · 2.3. Electrochemical measurements
Additivepolyvinylidene fluoride (PVDF)10 wt% of slurry solids110 · 2.3. Electrochemical measurements