Novel DMSO-based electrolyte for high performance rechargeable Li–O2 batteries

Xu, Dan; Wang, Zhongli; Xu, Ji‐Jing; Zhang, Leilei; Zhang, Xinbo

doi:10.1039/c2cc32844e

Cited by 281 publications

(251 citation statements)

References 47 publications

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“…Meanwhile, the CV shape of I 3 À /I À redox kept almost identical when the argon atmosphere was replaced by oxygen, indicating its good stability. Li-O 2 batteries were then assembled with surface pretreated Limetal foil as the anode 25 , commercial P50 carbon paper as the oxygen electrode and a piece of glassy fibre separator 9,26,27 Supplementary Fig. 3a).…”

Section: Resultsmentioning

confidence: 99%

Integrating a redox-coupled dye-sensitized photoelectrode into a lithium–oxygen battery for photoassisted charging

et al. 2014

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With a high theoretical specific energy, the non-aqueous rechargeable lithium-oxygen battery is a promising next-generation energy storage technique. However, the large charging overpotential remains a challenge due to the difficulty in electrochemically oxidizing the insulating lithium peroxide. Recently, a redox shuttle has been introduced into the electrolyte to chemically oxidize lithium peroxide. Here, we report the use of a triiodide/iodide redox shuttle to couple a built-in dye-sensitized titanium dioxide photoelectrode with the oxygen electrode for the photoassisted charging of a lithium-oxygen battery. On charging under illumination, triiodide ions are generated on the photoelectrode, and subsequently oxidize lithium peroxide. Due to the contribution of the photovoltage, the charging overpotential is greatly reduced. The use of a redox shuttle to couple a photoelectrode and an oxygen electrode offers a unique strategy to address the overpotential issue of non-aqueous lithium-oxygen batteries and also a distinct approach for integrating solar cells and batteries.

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Section: Resultsmentioning

confidence: 99%

Integrating a redox-coupled dye-sensitized photoelectrode into a lithium–oxygen battery for photoassisted charging

et al. 2014

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“…Several other non-aqueous electrolytes have been reported for lithium/air batteries, such as acetonitrile (ACN), [ 89,90 ] dimethylformamide (DMF), [ 91 ] tri(ethylene glycol)-substituted trimethylsilane (1NM3), [ 73 ] N-methyl-2-pyrrolidone (NMP), [ 92 ] dimethyl sulfoxide (DMSO), [93][94][95] N,N-dimethylacetamide (DMA), [ 96 ] sulfolane [ 97 ] and ionic liquids. [98][99][100][101][102][103] Among these organic electrolytes, DMSO was thoroughly investigated by Peng et al [ 94 ] , who demonstrated that a solution of 0.1 M LiClO 4 in DMSO could give a very stable electrochemical performance using gold as the cathode substrate.…”

Section: Other Non-aqueous Electrolytesmentioning

confidence: 99%

The Lithium/Air Battery: Still an Emerging System or a Practical Reality?

et al. 2014

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gas. At the same time, the penetration of renewable energy sources has opened up the possibility of creating a CO 2 -neutral mobility system, where electric vehicles are powered by wind, hydro, and solar energy.Broad fi nancial efforts are being made at a governmental and industrial level to fund research into new areas of energy storage. The U.S. Department of Energy has allocated $20 million to energy storage research in 2012 and $15 million the following year, while the German government has committed itself to ¤200 million between 2011 and 2018; [ 1 ] similar schemes are also being promoted in Japan by the New Energy and Industrial Technology Development Organization (NEDO). The EU-backed "Horizon 2020" program aims at funding research into energy storage technologies, a fi eld where the European Union lags behind the U.S. and East Asia. [ 2 ] Lithium-ion technology has established itself as a type of reliable energy-storage chemistry over the past 20 years, fi rst being used in camcorders, then mobile phones, laptops, and more recently electric cars. However, as the size of the battery pack increases, so does the belief that the cost per kW h and its energy density are not suitable for practical vehicle applications. The Tesla Model S, which sports a 400 km driving range, does so with a whopping 85 kW h battery pack that alone has up to twice the price of a standard economy car. With a current cost higher than 400 $ kW h −1 , electric cars have so far only entered a niche, high-end market where users are willing to pay a premium. Resizing the battery pack, and so the total cost of an electric car, results in a limited driving range (typically 100-150 km) that automatically restricts the use for long-haul journeys and triggers the so-called "range anxiety" feeling. For these reasons, the need to develop energy-storage technologies that enable at least a 500 km driving range, while retaining the same battery pack volume at an affordable price, is of primary interest for governments and car manufacturers. A Brief History of Lithium/Air BatteriesOver the years, the scientifi c community has focused its interest on advanced lithium-ion and fuel cells with only incremental improvements being made. Lithium-ion technology in particular is predicted to reach an asymptotic limit in specifi c Lithium/air is a fascinating energy storage system. The effective exploitation of air as a battery electrode has been the long-time dream of the battery community. Air is, in principle, a no-cost material characterized by a very high specifi c capacity value. In the particular case of the lithium/air system, energy levels approaching that of gasoline have been postulated. It is then not surprising that, in the course of the last decade, great attention has been devoted to this battery by various top academic and industrial laboratories worldwide. This intense investigation, however, has soon highlighted a series of issues that prevent a rapid development of the Li/air electrochemical system. Although several breakthroughs have be...

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“…[21] The correlations established using these solvent-independent references are much improved in comparison to the trend obtained using the solvent-dependent Ag/Ag + reference reported by Sawyer et al [20] (Supporting Information, Fig Table S1). Reported higher Li-O 2 discharge potentials in DMSO than in ether-based solvents such as tetraglyme (200 mV) [32] and DME (ca. 250 mV) [33] can be attributed largely to lower Li + /Li redox in DMSO by 300 mV than DME (Figure 2 b) MeCN and DMA ( Figure 3) using a mixed cluster-continuum model.…”

mentioning

confidence: 99%

Experimental and Computational Analysis of the Solvent‐Dependent O₂/Li⁺‐O₂⁻ Redox Couple: Standard Potentials, Coupling Strength, and Implications for Lithium–Oxygen Batteries

et al. 2016

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Novel DMSO-based electrolyte for high performance rechargeable Li–O2 batteries

Abstract: A dimethyl sulfoxide (DMSO) based electrolyte is first proposed for rechargeable lithium-O(2) (Li-O(2)) batteries. Superior battery performances, including high discharge capacity and low charge potential, are successfully obtained.

Cited by 281 publications

References 47 publications

Integrating a redox-coupled dye-sensitized photoelectrode into a lithium–oxygen battery for photoassisted charging

Integrating a redox-coupled dye-sensitized photoelectrode into a lithium–oxygen battery for photoassisted charging

The Lithium/Air Battery: Still an Emerging System or a Practical Reality?

Experimental and Computational Analysis of the Solvent‐Dependent O₂/Li⁺‐O₂⁻ Redox Couple: Standard Potentials, Coupling Strength, and Implications for Lithium–Oxygen Batteries

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Novel DMSO-based electrolyte for high performance rechargeable Li–O2 batteries

Abstract: A dimethyl sulfoxide (DMSO) based electrolyte is first proposed for rechargeable lithium-O(2) (Li-O(2)) batteries. Superior battery performances, including high discharge capacity and low charge potential, are successfully obtained.

Cited by 281 publications

References 47 publications

Integrating a redox-coupled dye-sensitized photoelectrode into a lithium–oxygen battery for photoassisted charging

Integrating a redox-coupled dye-sensitized photoelectrode into a lithium–oxygen battery for photoassisted charging

The Lithium/Air Battery: Still an Emerging System or a Practical Reality?

Experimental and Computational Analysis of the Solvent‐Dependent O2/Li+‐O2− Redox Couple: Standard Potentials, Coupling Strength, and Implications for Lithium–Oxygen Batteries

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Experimental and Computational Analysis of the Solvent‐Dependent O₂/Li⁺‐O₂⁻ Redox Couple: Standard Potentials, Coupling Strength, and Implications for Lithium–Oxygen Batteries