Journal of Nanomaterials

Research Article

Microstructures of Reduced Graphene Oxide/Sulfur Nanocomposites and Their Impacts on Lithium Storage Performances

Table 1

Comparison of a set of reported studies on graphene/sulfur and graphene oxide/sulfur composites with their corresponding electrochemical performances.


Composite	S content in G/S powder (wt)	Electrolyte	1st discharge capacity (mAh g⁻¹)	Capacity at the th cycle (mAh g⁻¹)	Source

TG – a-S ball milling	73 wt% 82 wt%	1 M LiTFSI/DOL/DME	[email protected] C 835@1 C	615@100th 530@100th	[14]

rGO + a-S melting infiltration	22 wt%	1 M LiPF₆/EC/DMC	[email protected] A g⁻¹	670@80th	[15]

TG + c-S melting infiltrating	20 wt% 40 wt% 60 wt% 80 wt%	1 M LiTFSI/DOL/DME	[email protected] A g⁻¹ [email protected] A g⁻¹ [email protected] A g⁻¹ [email protected] A g⁻¹	602@70th 728@70th 880@70th 449@70th	[16]

TG + a-S melting infiltration	67 wt%	N/A	[email protected] A g⁻¹	421@100th	[17]

rGO + S melting infiltration	66.7 wt%	1 M LiTFSI/DOL/DME	[email protected] C	435@60th	[18]

TG + a-S rGO coated	63 wt%	N/A	[email protected] A g⁻¹	928@100th	[17]

mGO + S + PEG GO/CB wrapped	70 wt% (34–46%)	1 M LiTFSI/DOL/DME	[email protected] C	520@100th	[19]

pGNS + a-S melting infiltration	22 wt%	1 M LiTFSI/PEGDME	[email protected] A g⁻¹	539@40th	[20]

pGNS + S melting infiltration	66.7 wt%	1 M LiTFSI/DOL/DME	[email protected] C	1007@60th	[18]

rGO + c-S oxidation	87 wt%	1 M LiTFSI/DOL/ TEGDME	[email protected] A g⁻¹	492@50th	[21]

rGO + c-S Na₂S + NaSO₃	75.2 wt%	1 M LiCF₃SO₃ + 0.2 wt% LiNO₃/ DME/DOL	[email protected] A g⁻¹	930@50th	[22]

rGO + S Na₂SO₃ + Na₂S + rGO	63.6 wt% 50.9%	1 M LiTFSI/DOL/DME	[email protected] A g⁻¹	804@80th	[23]

p graphene + c-S Na₂S₂O₃ + H₂SO₄	83.3 wt% 66.6%	1 M LiTFSI + 0.1 M LiNO₃/ EGDME/DOXL	[email protected] C	810@50th	[24]

TG + c-S S dissolve in CS₂	71.8 wt%	1 M LiTFSI/DOL/DME	[email protected] C	490@50th	[25]

rGO + S chemical microemulsion	66 wt%	1 M LiTFSI/PYR₁₄TFSI/ PEGDME	[email protected] A g⁻¹	735@50th	[26]

Nafion coated TG + c-S S dissolve in CS₂	71.8 wt%	1 M LiTFSI/DOL/DME	[email protected] C	750@50th	[25]

rGO + S wrapped, S in CS₂	65 wt% (52%)	1 M LiTFSI/DOL/DME	725@1 C	622@60th	[27]

rGO: reduced graphene oxide; TG: thermally exfoliated graphene; pGNS: porous (activated) graphene nanosheets.
a-S: amorphous sulfur; c-S: crystalline sulfur.
In most literatures, the electrode for electrochemical characterizations contains 80 wt% GO/S, 10 wt% carbon additive, and 10 wt% binder.