A simple approach for making a viable, safe, and high-performances lithium-sulfur battery

Carbone, Lorenzo; Coneglian, Thomas; Gobet, Mallory; Munoz, Stephen; Devany, Matthew; Greenbaum, Steve; Hassoun, Jusef

doi:10.1016/j.jpowsour.2017.11.079

Cited by 71 publications

(110 citation statements)

References 62 publications

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“…This behavior,a lready reported for carbon-sulfur composites, [17] is likely attributed to ad ecrease in electrode/ electrolyte interface resistance, according to the electrochemi-cal impedance spectroscopy (EIS) resultss hown in Figure S2. This behavior,a lready reported for carbon-sulfur composites, [17] is likely attributed to ad ecrease in electrode/ electrolyte interface resistance, according to the electrochemi-cal impedance spectroscopy (EIS) resultss hown in Figure S2.…”

Section: Resultsmentioning

confidence: 57%

“…[8] These issues may be mitigated by the preparation of composite sulfur materials including carbon nanospherules, [9] nanosheets, [10] nanotubes, [11] graphene, [12] ando ther nanostructured inactive supports. [15][16][17] Ethers,g lymes, [18] and poly(ethylene oxide) [19] are very promising solvents fora chieving high-performance lithium-sulfur cells, whereas lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) and lithium trifluoromethansulfonate (LiCF 3 SO 3 )s how the bestc haracteristicsa se lectrolyte salts in terms of fast Li-ion transporta nd high conductivity. [15][16][17] Ethers,g lymes, [18] and poly(ethylene oxide) [19] are very promising solvents fora chieving high-performance lithium-sulfur cells, whereas lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) and lithium trifluoromethansulfonate (LiCF 3 SO 3 )s how the bestc haracteristicsa se lectrolyte salts in terms of fast Li-ion transporta nd high conductivity.…”

Section: Introductionmentioning

confidence: 99%

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A Lithium‐Ion Battery using a 3 D‐Array Nanostructured Graphene–Sulfur Cathode and a Silicon Oxide‐Based Anode

et al. 2018

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An efficient lithium-ion battery was assembled by using an enhanced sulfur-based cathode and a silicon oxide-based anode and proposed as an innovative energy-storage system. The sulfur-carbon composite, which exploits graphene carbon with a 3 D array (3DG-S), was synthesized by a reduction step through a microwave-assisted solvothermal technique and was fully characterized in terms of structure and morphology, thereby revealing suitable features for lithium-cell application. Electrochemical tests of the 3DG-S electrode in a lithium half-cell indicated a capacity ranging from 1200 to 1000 mAh g at currents of C/10 and 1 C, respectively. Remarkably, the Li-alloyed anode, namely, Li SiO -C prepared by the sol-gel method and lithiated by surface treatment, showed suitable performance in a lithium half-cell by using an electrolyte designed for lithium-sulfur batteries. The Li SiO -C/3DG-S battery was found to exhibit very promising properties with a capacity of approximately 460 mAh g delivered at an average voltage of approximately 1.5 V over 200 cycles, suggesting that the characterized materials would be suitable candidates for low-cost and high-energy-storage applications.

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Section: Resultsmentioning

confidence: 57%

Section: Introductionmentioning

confidence: 99%

A Lithium‐Ion Battery using a 3 D‐Array Nanostructured Graphene–Sulfur Cathode and a Silicon Oxide‐Based Anode

et al. 2018

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“…The anodic region, in which the polysulfide species are oxidized back to sulfur, is characterized by a predominant peak at around 2.35 V, followed by a peak at approximately 2.45 V, which is associated with the final charge reaction to pristine sulfur. At the second cycle, the peak at 2.20 V is shifted to 2.…”

Section: Resultsmentioning

confidence: 99%

High‐Sulfur‐Content Graphene‐Based Composite through Ethanol Evaporation for High‐Energy Lithium‐Sulfur Battery

et al. 2019

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Lithium‐sulfur batteries are the most promising candidates for next‐generation energy storage devices owing to their high theoretical specific capacity of 1675 mAh g−1 and high theoretical energy density of approximately 3500 Wh kg−1. However, the lack of cathode active materials with appropriate electrical conductivities and stability coupled with an inexpensive and industrially compatible production process has so far hindered the development of practical devices. Here, a facile preparation pathway is reported for the production of a sulfur–carbon composite active material by drying a mixture of highly conductive few‐layer graphene (FLG) flakes (produced by exploiting an innovative wet jet milling process with a yield of ≈100 % and production capability of ≈23.5 g h−1) with elemental sulfur, using ethanol as an environmentally friendly solvent. The designed sulfur–FLG composite shows excellent electrochemical results. The assembled lithium–sulfur battery exhibits a stable rate capability up to a current rate of 2C, a coulombic efficiency approaching 100 % for 300 cycles at the current rate of C/4 (420 mA g−1), and a long cycle life up to 500 cycles delivering around 600 mAh g−1 at 2C (3350 mA g−1).

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“…[5] First, LiÀ S batteries can provide a higher theoretical energy density of 2600 Wh kg À 1 or 2800 Wh L À 1 compared to LIBs, based on weight or volume, respectively. [7,8] For example, sulfur itself and its discharge product Li 2 S are insulated, and the conductivity of elemental sulfur is only 5 × 10 À 30 S cm À 1 at 25°C, which results in limited utilization of active materials, low rate capacity and poor electrochemical reversibility. In addition, as a cathode material, sulfur has many valuable properties such as extremely low cost, natural richness and environmental friendliness.…”

Section: Introductionmentioning

confidence: 99%

Co−Ni Binary‐Metal Oxide Coated with Porous Carbon Derived from Metal‐Organic Framework as Host of Nano‐Sulfur for Lithium‐Sulfur Batteries

Zhang

Khan

et al. 2019

Batteries & Supercaps

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Lithium-sulfur battery is considered as a promising energy storage system because of its high energy density. The specific capacity and cycling stability of sulfur cathode, however, are impeded by intrinsic poor electrical conductivity of sulfur and dissolution of polysulfides intermediates. Herein, we demonstrate a novel strategy to overcome the two obstacles by designing a bimetallic-organic-framework-derived nano-sulfur host consisted of porous graphitic carbon and bimetallic cobaltnickel oxides (C/NiCo 2 O 4 ), in which porous carbon and NiCo 2 O 4 not only entrapping the polysulfides effectively through physical and chemical entrapment capability, but also serving as a highly conductive matrix for sulfur. With a sulfur content of 68.9 % in the composite, the composite cathode delivered a specific capacity of 977 mAh g À 1 and maintained 673 mAh g À 1 at 0.5 C over 500 cycles. Besides, the binding mechanism between NiCo 2 O 4 and polysulfides has been explored by ex situ XRD and density functional theory(DFT)simulation. This work may provide a feasible strategy to improve the performance of lithiumsulfur battery.

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A simple approach for making a viable, safe, and high-performances lithium-sulfur battery

Cited by 71 publications

References 62 publications

A Lithium‐Ion Battery using a 3 D‐Array Nanostructured Graphene–Sulfur Cathode and a Silicon Oxide‐Based Anode

A Lithium‐Ion Battery using a 3 D‐Array Nanostructured Graphene–Sulfur Cathode and a Silicon Oxide‐Based Anode

High‐Sulfur‐Content Graphene‐Based Composite through Ethanol Evaporation for High‐Energy Lithium‐Sulfur Battery

Co−Ni Binary‐Metal Oxide Coated with Porous Carbon Derived from Metal‐Organic Framework as Host of Nano‐Sulfur for Lithium‐Sulfur Batteries

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