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Journal ArticleDOI

A rechargeable room-temperature sodium superoxide (NaO2) battery.

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TLDR
It is demonstrated that substitution of lithium by sodium may offer an unexpected route towards rechargeable metal-air batteries in the search for room-temperature batteries with high energy densities.
Abstract
Rechargeable metal–air batteries are considered particularly attractive due to their potential high-energy densities and simplicity of the underlying cell reaction. A room-temperature sodium–oxygen cell with an ether-based electrolyte demonstrates enhanced current densities using pure carbon cathodes without an added catalyst.

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Citations
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Journal ArticleDOI

The role of graphene for electrochemical energy storage

TL;DR: By critically analysing state-of-the-art technologies, this work aims to address the benefits and issues of graphene-based materials, as well as outline the most promising results and applications so far.
Journal ArticleDOI

Recent advances in zinc–air batteries

TL;DR: The fundamentals, challenges, and latest exciting advances related to zinc-air research are presented, and the detrimental effect of CO2 on battery performance is emphasized, and possible solutions summarized.
Journal ArticleDOI

Superoxide Ion: Generation and Chemical Implications

TL;DR: This review comprises the main characteristics of O2(•-) followed by generation methods, and its potential applications including the destruction of hazardous chemicals, synthesis of organic compounds, and many other applications are highlighted.
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Oxygen electrocatalysts in metal–air batteries: from aqueous to nonaqueous electrolytes

TL;DR: This review focuses on the major obstacle of sluggish kinetics of the cathode in both batteries, and summary the fundamentals and recent advances related to the oxygen catalyst materials, and several future research directions are proposed based on the results achieved.
References
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Journal ArticleDOI

Li-O2 and Li-S batteries with high energy storage.

TL;DR: The energy that can be stored in Li-air and Li-S cells is compared with Li-ion; the operation of the cells is discussed, as are the significant hurdles that will have to be overcome if such batteries are to succeed.
Journal ArticleDOI

A Polymer Electrolyte‐Based Rechargeable Lithium/Oxygen Battery

TL;DR: In this paper, a rechargeable Li/O{sub 2} battery is reported, which consists of a conductive organic polymer electrolyte membrane sandwiched by a thin Li metal foil anode, and a thin carbon composite electrode on which oxygen, the electroactive cathode material, accessed from the environment, is reduced during discharge to generate electric power.
Journal ArticleDOI

A reversible and higher-rate Li-O2 battery.

TL;DR: Operation of the rechargeable Li-O2 battery depends critically on repeated and highly reversible formation/decomposition of lithium peroxide (Li2O2) at the cathode upon cycling, and it is shown that this process is possible with the use of a dimethyl sulfoxide electrolyte and a porous gold electrode.
Journal ArticleDOI

Reactions in the Rechargeable Lithium–O2 Battery with Alkyl Carbonate Electrolytes

TL;DR: Mechanisms are proposed for the reactions on discharge and charge that are consistent with the widely observed voltage gap in Li-O(2) cells.
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