Synthesis evidence

Facile formation of a nanostructured NiP2@C material for advanced lithium-ion battery anode using adsorption property of metal-organic framework

Li G., Yang H., Li F. et al. · Journal of Materials Chemistry A · 2016 · 9593-9599

4 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

2 · Supporting Information · Fig. S2

Metal precursorsas-synthesised Ni-MOF-74
Linker precursorsDOBDC-containing Ni-MOF-74 framework
ActivationActivated Ni-MOF-74 is named and its PXRD is shown/referenced, but activation conditions are not reported in the main text or SI text layer.
Show 1 structured reagent record
RoleReagentAmount / concentrationSource
Otheras-synthesised Ni-MOF-74Not specified2 · Supporting Information · Fig. S2
Complete recipeSource: Main

Route 2: Solvothermal

2 · Synthesis of Ni-MOF-74

Metal precursorsNi(NO3)2.6H2O (119 mg, 0.41 mmol)
Linker precursorsH4DOBDC (0.478 g, 2.41 mmol; H4DOBDC = 2,5-dihydroxyterephthalic acid)
SolventsDMF-ethanol-water, 1:1:1 volume ratio, 10 mL
Atmospheresealed 25 mL reaction kettle; no inert atmosphere specified
Temperature100
Time72
Work-upultrasonicated for 30 min before heating; cooled to room temperature; product filtered
Scalability contextReaction in a 25 mL kettle with 10 mL solvent; product described as yellow microcrystalline material.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceNi(NO3)2.6H2O119 mg, 0.41 mmol2 · Synthesis of Ni-MOF-74
LinkerH4DOBDC (2,5-dihydroxyterephthalic acid)0.478 g, 2.41 mmol2 · Synthesis of Ni-MOF-74
SolventDMF-ethanol-water10 mL, 1:1:1 volume ratio2 · Synthesis of Ni-MOF-74
Partial recipeSource: Main

Route 3: Other

2 · Synthesis of nanostructured NiP2@C · Scheme 1

Metal precursorsactivated Ni-MOF-74 (0.5 g)
Linker precursorsNi-MOF-74 organic linkers, carbonised in situ to porous carbon
Additivesred phosphorus powder (0.5 g)
Atmosphereground in glove box; calcined under argon gas flow
Temperature600
Time2
Oxidant / reductantred phosphorus acts as phosphorus source
Work-upfurnace completely cooled to room temperature; product removed; colour changed from purple to black
Activationuses activated Ni-MOF-74; activation conditions not specified
Scalability contextUses 0.5 g activated Ni-MOF-74 and 0.5 g red phosphorus in a combustion boat/tube furnace.
Show 2 structured reagent records
RoleReagentAmount / concentrationSource
Otheractivated Ni-MOF-740.5 g2 · Synthesis of nanostructured NiP2@C · Scheme 1
Additivered phosphorus powders0.5 g2 · Synthesis of nanostructured NiP2@C · Scheme 1
Complete recipeSource: Main

Route 4: Drop Cast

2 · Electrochemical measurements

Metal precursorsNiP2@C nanocomposite
SolventsN-methyl-2-pyrrolidinone (NMP)
AdditivesSuper-P carbon black; polyvinylidene fluoride (PVDF); electrolyte 1 M LiPF6 in EC/DMC for cell assembly
AtmosphereAr-filled glove box with moisture and oxygen concentrations lower than 0.1 ppm for coin-cell assembly
Temperature100
Time24
Substrate orientationcopper foil current collector
Oxidant / reductantlithium metal counter/reference electrode
Work-upslurry pasted onto copper foil and dried in vacuum at 100 degrees C for 24 h; assembled as CR2032 coin-type half-cells
Scalability contextElectrode formulation uses 80:10:10 active material:conductive carbon:binder by weight.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
OtherNiP2@C80 wt% in electrode mixture2 · Electrochemical measurements
AdditiveSuper-P carbon black10 wt% in electrode mixture2 · Electrochemical measurements
Additivepolyvinylidene fluoride (PVDF)10 wt% in electrode mixture2 · Electrochemical measurements
SolventN-methyl-2-pyrrolidinone (NMP)Not specified2 · Electrochemical measurements
ElectrolyteLiPF6 in ethylene carbonate/dimethyl carbonate1 M LiPF6; EC:DMC = 1:1 by volume · 1 M2 · Electrochemical measurements