Electrochemistry Application — 2D MOF nanoflake-assembled spherical microstructures for enhanced supercapacitor and electrocatalysis performances

5 measurement groups · 17 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

Ni/Co-MOF nanoflake RDE catalyst electrode · Electrode

EIS from 10 mHz to 100 kHz at open circuit voltage -0.1 V with 5 mV AC amplitude.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni-MOF Nyquist resistance	6.2 ohm	—	—	Text Rounded Reported	9 · Results and Discussion · Fig. S5
Ni/Co-MOF Nyquist resistanceMarked as a best value within this paper	4.0 ohm	—	—	Text Rounded Reported	9 · Results and Discussion · Fig. S5; Table S1
ZIF-67 Nyquist resistance	8.5 ohm	—	—	Text Rounded Reported	9 · Results and Discussion · Fig. S5

Ni/Co-MOF nanoflake RDE catalyst electrode · Electrode

O2-saturated 0.1 M KOH at 1600 rpm; 3 M methanol addition at 600 s for crossover test; durability at -0.1 V for 15000 s.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni/Co-MOF ORR current loss after 15000 sMarked as a best value within this paper	3.94% current loss at -0.1 V after 15000 s	—	—	Text Exact Reported	9 · Results and Discussion · Fig. 5b
Ni/Co-MOF methanol crossover response	negligible current decay after 3 M methanol addition	—	—	Qualitative Qualitative	9 · Results and Discussion · Fig. 5a

Ni/Co-MOF nanoflake RDE catalyst electrode · Electrode

0.1 M KOH; O2- or Ar-saturated; CV sweep 50 mV s-1; RDE scan 10 mV s-1 at 400-2500 rpm; comparison at 1600 rpm.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni-MOF ORR cathodic peak potential	0.55 V vs RHE	—	—	Text Rounded Reported	8 · Results and Discussion · Fig. 4a
Ni-MOF ORR average transferred electron number	2.8	—	—	Text Rounded Reported	8 · Results and Discussion · Fig. S6d
Ni/Co-MOF ORR cathodic peak potentialMarked as a best value within this paper	about 0.57 V vs RHE	—	—	Text Approximate	8 · Results and Discussion · Fig. 4a
Ni/Co-MOF ORR transferred electron numberMarked as a best value within this paper	about 3.7 over ~0.05 to ~0.3 V	—	—	Text Approximate	8 · Results and Discussion · Fig. 4c
Ni/Co-MOF ORR onset potentialMarked as a best value within this paper	~0.76 V vs RHE	—	—	Text Approximate	8 · Results and Discussion · Fig. 4b
ZIF-67 ORR cathodic peak potential	0.52 V vs RHE	—	—	Text Rounded Reported	8 · Results and Discussion · Fig. 4a
ZIF-67 ORR average transferred electron number	2.6	—	—	Text Rounded Reported	8 · Results and Discussion · Fig. S6c

Ni-MOF nanoflakes · Nanosheet

Specific capacitance comparison of Ni-MOF nanoflakes and ZIF-67 controls at 0.5 A g-1 in 1 M LiOH.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni-MOF specific capacitance at 0.5 A g-1	306.8 F g-1	—	—	Text Exact Reported	7 · Results and Discussion · Fig. 3c,d
ZIF-67 specific capacitance at 0.5 A g-1	168.3 F g-1	—	—	Text Exact Reported	7 · Results and Discussion · Fig. 3c,d

Ni/Co-MOF nanoflake glassy-carbon supercapacitor electrode · Electrode

Three-electrode supercapacitor in 1 M LiOH; Pt wire auxiliary, Ag/AgCl reference; CV 0-0.5 V at 5-200 mV s-1; GCD 0-0.5 V at 0.5-10 A g-1.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni/Co-MOF capacitance retention after 2000 cyclesMarked as a best value within this paper	99.75% of original capacitance after 2000 cycles	—	—	Text Exact Reported	7 · Results and Discussion · Fig. 3e,f
Ni/Co-MOF capacitance retention after 3000 cycles	70.85% of original capacitance after 3000 cycles	—	—	Text Exact Reported	8 · Results and Discussion · Fig. S4
Ni/Co-MOF specific capacitance at 0.5 A g-1Marked as a best value within this paper	530.4 F g-1	—	—	Text Exact Reported	7 · Results and Discussion · Fig. 3c,d