Evaluation and analysis of Li-air battery using ether-functionalized ionic liquid

Higashi, Shouichi; Kato, Yuichi; Takechi, Kensuke; Nakamoto, Hirofumi; Mizuno, Fuminori; Nishikoori, Hidetaka; Iba, Hideki; Asaoka, Takahiko

doi:10.1016/j.jpowsour.2013.03.008

Cited by 49 publications

(45 citation statements)

References 11 publications

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“…From the comparison with Raman spectrum from Li 2 O 2 standard (Figure 7c), the presence of this oxide phase in our sample is demonstrated by the characteristic narrow modes peaked at ∼785 and ∼260 cm −1 . 42,43 No Raman peak at ∼525 cm −1 was observed thus excluding the presence of Li 2 O and confirming that Li 2 O 2 is the main reaction product in ether-based cells, [35][36][37][38] whereas the additional peak at around 1090 cm −1 is the indication of the presence of lithium carbonate Li 2 CO 3 . Although ether containing electrolytes are quite stable toward superoxide radical attack, it was shown that tetraglyme-based electrolytes can decompose in cells charged up to 4.5 V, 8 leading to the formation of Li 2 CO 3 .…”

Section: Battery Tests-mentioning

confidence: 70%

Investigation of Ether-Based Ionic Liquid Electrolytes for Lithium-O₂Batteries

Ferrari

Quartarone

Tomasi

et al. 2014

J. Electrochem. Soc.

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In this work, we showed the results of the characterization of ether based electrolytes for Li-O 2 batteries, prepared by mixing TEGDME and N-methoxyethyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)-imide ionic liquid (IL). The mixtures having different ratio TEGDME/IL and containing LiCF 3 SO 3 salt, were thoroughly characterized by thermal analysis, conductivity and electrochemical stability measurements. Their potential use as electrolytes in Li-O 2 batteries was checked investigating Li/TEGDME-IL/O 2 cells by means of cycling voltammetry (CV) and galvanostatic charge-discharge tests.

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Section: Battery Tests-mentioning

confidence: 70%

Investigation of Ether-Based Ionic Liquid Electrolytes for Lithium-O₂Batteries

Ferrari

Quartarone

Tomasi

et al. 2014

J. Electrochem. Soc.

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“…However, the authors did not report a continuous cycling of this cell. Replacing PP 13 TFSI by DEMETFSI, led to further improvement yielding higher specific discharge capacities (> 4500 mAh g −1 ) as well as an enhanced rate capability attributed to lower viscosity and improved oxygen diffusion [48]. A later study confirmed these results by comparing four ionic liquids, namely DEMETFSI, PP 13 TFSI, N-methoxyethyl-Nmethylpiperidinium (PP 12O1 TFSI), and PYR 14 TFSI, regarding their stability versus the oxygen superoxide.…”

Section: Ionic Liquid-based Electrolytes For Li-o 2 Batteriesmentioning

confidence: 76%

Ionic Liquid-based Electrolytes for Li Metal/Air Batteries: A Review of Materials and the New 'LABOHR' Flow Cell Concept

Bresser¹,

Paillard²,

Passerini³

2014

Journal of Electrochemical Science and Technology

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The Li-O 2 battery has been attracting much attention recently, due to its very high theoretical capacity compared with Li-ion chemistries. Nevertheless, several studies within the last few years revealed that Li-ion derived electrolytes based on alkyl carbonate solvents, which have been commonly used in the last 27 years, are irreversibly consumed at the O 2 electrode. Accordingly, more stable electrolytes are required capable to operate with both the Li metal anode and the O 2 cathode. Thus, due to their favorable properties such as non volatility, chemical inertia, and favorable behavior toward the Li metal electrode, ionic liquid-based electrolytes have gathered increasing attention from the scientific community for its application in Li-O 2 batteries. However, the scale-up of Li-O 2 technology to real application requires solving the mass transport limitation, especially for supplying oxygen to the cathode. Hence, the 'LABOHR' project proposes the introduction of a flooded cathode configuration and the circulation of the electrolyte, which is then used as an oxygen carrier from an external O 2 harvesting device to the cathode for freeing the system from diffusion limitation.

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“…[7][8][9][10] One of the causes of the problems is large solid discharge product Li 2 O 2 formed on the air electrode diminished reversibility for the positive electrode reaction due to the formation of non-uniform and large solid discharge product Li 2 O 2 . [11][12][13] Another is that insulation properties of Li 2 O 2 degrade the electrochemical properties. Carbon black particles, Ketjen-black EC600JD (KB) (surface area of 1270 m 2 /g; pore volume of 1.2 cm 3 /g), with nano-sized and unarranged shapes have been widely used as carbon support materials for air electrodes.…”

Section: Introductionmentioning

confidence: 99%

“…Carbon black particles, Ketjen-black EC600JD (KB) (surface area of 1270 m 2 /g; pore volume of 1.2 cm 3 /g), with nano-sized and unarranged shapes have been widely used as carbon support materials for air electrodes. 11,14 As a result, non-uniform and micrometer-order discharge product Li 2 O 2 forms on the air electrode, and it is not decomposed completely in the charge process because of the poor contact between carbon and Li 2 O 2 . Therefore, it is important to control the size of discharge product Li 2 O 2 and to uniformly deposit it on air electrode.…”

Section: Introductionmentioning

confidence: 99%

Highly Ordered Mesoporous Carbon Support Materials for Air Electrode of Lithium Air Secondary Batteries

et al. 2017

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The electrochemical properties of a lithium air secondary battery (LAB) cell incorporating CMK-3 or carbon replica (CR) as a highly ordered mesoporous carbon support material were examined under the condition of a current density of 0.1 mA/cm 2 with a voltage range of 2.0 to 4.2 V in a dry air atmosphere. The first discharge capacities of the LAB cell incorporating Pt 10 Ru 90 electrocatalyst/CMK-3 and CR were 103 and 1000 mAh/g, respectively. The cycle properties of the LAB cell incorporating Pt 10 Ru 90 electrocatalyst/CMK-3 was poor; in contrast, the one incorporating CR showed better cycle stability (828 mAh/g up to 9 cycles). These superior properties with CR are due to its larger surface area and larger total pore volume than those of CMK-3.

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Evaluation and analysis of Li-air battery using ether-functionalized ionic liquid

Cited by 49 publications

References 11 publications

Investigation of Ether-Based Ionic Liquid Electrolytes for Lithium-O₂Batteries

Investigation of Ether-Based Ionic Liquid Electrolytes for Lithium-O₂Batteries

Ionic Liquid-based Electrolytes for Li Metal/Air Batteries: A Review of Materials and the New 'LABOHR' Flow Cell Concept

Highly Ordered Mesoporous Carbon Support Materials for Air Electrode of Lithium Air Secondary Batteries

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Evaluation and analysis of Li-air battery using ether-functionalized ionic liquid

Cited by 49 publications

References 11 publications

Investigation of Ether-Based Ionic Liquid Electrolytes for Lithium-O2Batteries

Investigation of Ether-Based Ionic Liquid Electrolytes for Lithium-O2Batteries

Ionic Liquid-based Electrolytes for Li Metal/Air Batteries: A Review of Materials and the New 'LABOHR' Flow Cell Concept

Highly Ordered Mesoporous Carbon Support Materials for Air Electrode of Lithium Air Secondary Batteries

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Investigation of Ether-Based Ionic Liquid Electrolytes for Lithium-O₂Batteries

Investigation of Ether-Based Ionic Liquid Electrolytes for Lithium-O₂Batteries