Synthesis evidence

Metal-organic framework glass stabilizes high-voltage cathodes for efficient lithium-metal batteries

Bai L., Xu Y., Liu Y. et al. · Nature Communications · 2025 · 3484

8 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

main p.10 · Electrodes preparation

Metal precursorsGlass@NCM-811, Glass@LRMO, Glass@LCO or bare cathode powders
Solvents1-Methyl-2-pyrrolidone (NMP), Sigma-Aldrich
AdditivesCarbon black; PVDF binder
AtmosphereVacuum drying at 110 deg C overnight after coating
Temperature110
Time4 h stirring; overnight drying
Substrate orientationAl foil current collector
Work-upStirred in NMP 4 h, coated onto Al foil by scraper, pressed, vacuum dried
Scalability contextCoin-cell cathode mass loading about 7.0 mg/cm2; electrode diameter 12 mm.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
OtherGlass@NCM-811 or control cathode powder1.0 g in general electrode recipemain p.10 · Electrodes preparation
AdditiveCarbon black8:1:1 active:carbon:PVDF ratiomain p.10 · Electrodes preparation
AdditivePVDF8:1:1 active:carbon:PVDF ratiomain p.10 · Electrodes preparation
Solvent1-Methyl-2-pyrrolidone (NMP)not specified; stirred 4 hmain p.10 · Electrodes preparation
Complete recipeSource: Main

Route 2: Other

main p.9 · Synthesis of MOF glass coated high-voltage cathodes

Metal precursorsLiCoO2 cathode purchased from Dodochem Co.; Zn-P-dmbIm MOF powder
Linker precursorsdmbIm in Zn-P-dmbIm MOF powder
AtmosphereVacuum during heating
Temperature175
Time0.1667 h grinding; 0.5 h heating
Work-upManual grinding 10 min, vacuum heating 175 deg C 30 min, fast cooling to room temperature
Scalability contextSame route extended to high-voltage LiCoO2.
Show 2 structured reagent records
RoleReagentAmount / concentrationSource
OtherLiCoO2 cathode material2 wt% MOF Glass coating for default samplemain p.9 · Synthesis of MOF glass coated high-voltage cathodes
Otheras-prepared Zn-P-dmbIm MOF powder2 wt% relative to cathode for default samplemain p.9 · Synthesis of MOF glass coated high-voltage cathodes
Complete recipeSource: Both

Route 3: Other

main p.9 · Synthesis of MOF glass coated high-voltage cathodes

Metal precursorsLRMO cathode purchased from Dodochem Co.; Zn-P-dmbIm MOF powder
Linker precursorsdmbIm in Zn-P-dmbIm MOF powder
AtmosphereVacuum during heating
Temperature175
Time0.1667 h grinding; 0.5 h heating
Work-upManual grinding 10 min, vacuum heating 175 deg C 30 min, fast cooling to room temperature
Scalability contextSame route extended to LRMO and LCO high-voltage cathodes.
Show 2 structured reagent records
RoleReagentAmount / concentrationSource
OtherLRMO or LiCoO2 cathode material2 wt% MOF Glass coating for default samplemain p.9 · Synthesis of MOF glass coated high-voltage cathodes
Otheras-prepared Zn-P-dmbIm MOF powder2 wt% relative to cathode for default samplemain p.9 · Synthesis of MOF glass coated high-voltage cathodes
Complete recipeSource: Both

Route 4: Other

main p.9 · Synthesis of MOF glass coated high-voltage cathodes

Metal precursorsNCM-811 cathode purchased from Tianjin Lishen Battery Joint-Stock Co.; Zn-P-dmbIm MOF powder
Linker precursorsdmbIm in Zn-P-dmbIm MOF powder
AtmosphereVacuum during heating
Temperature175
Time0.1667 h grinding; 0.5 h heating
Work-upManual grinding 10 min, vacuum heating 175 deg C 30 min, fast cooling to room temperature
Scalability contextSelected 2 wt% as main sample because 5/10 wt% did not improve performance and higher glass loading raises cost and lowers energy density.
Show 2 structured reagent records
RoleReagentAmount / concentrationSource
OtherLiNi0.8Co0.1Mn0.1O2 (NCM-811) cathodeweight ratio with MOF powder 2 wt% MOF/NCM-811 for main samplemain p.9 · Synthesis of MOF glass coated high-voltage cathodes
Otheras-prepared Zn-P-dmbIm MOF powder2 wt% relative to cathode for main samplemain p.9 · Synthesis of MOF glass coated high-voltage cathodes
Complete recipeSource: Both

Route 5: Other

main p.9 · Synthesis of MOF glass

Metal precursorsAs-prepared Zn-P-dmbIm MOF powder
Linker precursorsdmbIm retained from Zn-P-dmbIm MOF powder
AtmosphereVacuum
Temperature175
Time0.5
Work-upFast cooling to room temperature (25 deg C)
Show 1 structured reagent record
RoleReagentAmount / concentrationSource
Otheras-prepared Zn-P-dmbIm MOF powdernot specifiedmain p.9 · Synthesis of MOF glass
Complete recipeSource: Main

Route 6: Other

main p.9 · Synthesis of MOF glass film

Metal precursorsAs-prepared Zn-P-dmbIm MOF powder
Linker precursorsdmbIm retained from Zn-P-dmbIm MOF powder
AtmosphereVacuum
Temperature175
Time0.5
Work-upMechanical pressing into 15 mm pellet at 2 MPa for 60 s, heating, then rapid cooling to room temperature
Show 1 structured reagent record
RoleReagentAmount / concentrationSource
Otheras-prepared Zn-P-dmbIm MOF powdernot specifiedmain p.9 · Synthesis of MOF glass film
Complete recipeSource: Main

Route 7: Other

main p.10 · Cell assembly and electrochemical measurements

Metal precursorsGlass@NCM-811 cathode and limited Li metal anode
SolventsTypical carbonate electrolyte 1 mol/L LiPF6-EC/DMC; 2.6 g
AdditivesCarbon black and PVDF at 9:0.5:0.5 for pouch cathode
AtmosphereArgon-filled glove box; <1 ppm moisture and oxygen
Temperature25
Substrate orientationPouch-cell stack under about 10 MPa external pressure
Work-upCR2032/coin-like preparation adapted to pouch; 4.5 x 9.5 cm2 separator; constrained steel enclosure
ActivationCells kept open-circuit 16 h before electrochemical characterization
Scalability context2.0 Ah-level pouch; low E/C ratio 1.3 g Ah-1; whole pouch-cell mass 19.579 g.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Electrolyte1 mol/L LiPF6-EC/DMC2.6 g for pouch cell · 1 mol/Lmain p.10 · Cell assembly and electrochemical measurements
OtherGlass@NCM-811 cathode31.8 mg/cm2 coated cathode, 28.0 mg/cm2 NCM-811main p.10 · Cell assembly and electrochemical measurements
Otherlithium metal anodelimited Li, N/P ratio about 3.9:1main p.10 · Cell assembly and electrochemical measurements
Complete recipeSource: Both

Route 8: Other

main p.9 · Preparation of Zn-P-dmbIm MOF powder

Metal precursorsZn(OAc)2.2H2O (439 mg, 2 mmol, Sigma-Aldrich)
Linker precursors5,6-dimethylbenzimidazole (584.8 mg, 4 mmol, Sigma-Aldrich)
SolventsDichloromethane wash
AdditivesPhosphoric acid (420 uL, 6 mmol, Sigma-Aldrich)
AtmosphereNot specified during grinding/drying
Temperature70
Time0.25 h grinding; 10 h drying
Work-upManual grinding 15 min; washed with dichloromethane three times
ActivationDried at 70 deg C for 10 h
Scalability contextMain text describes this as simple, cost-effective and time-efficient.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceZn(OAc)2.2H2O439 mg, 2 mmolmain p.9 · Preparation of Zn-P-dmbIm MOF powder
Linker5,6-dimethylbenzimidazole584.8 mg, 4 mmolmain p.9 · Preparation of Zn-P-dmbIm MOF powder
Acidphosphoric acid420 uL, 6 mmolmain p.9 · Preparation of Zn-P-dmbIm MOF powder
Solventdichloromethanewashed three timesmain p.9 · Preparation of Zn-P-dmbIm MOF powder