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      A robust 3D host for sodium metal anodes with excellent machinability and cycling stability

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          Abstract

          A robust and ultra-stable sodium infiltrated Fe 2O 3 coated carbon textile (SFCT) anode has been designed. This SFCT anode overcomes the disadvantage of Na electrodes, which is not easily processable, and exhibits more flat voltage profiles, lower stripping/plating overpotential, and better cycling stability in an additive-free carbonate-based electrolyte compared with bare Na electrodes.

          Abstract

          This study demonstrates a robust and ultra-stable sodium infiltrated Fe 2O 3 coated carbon textile (SFCT) anode with excellent machinability. The obtained SFCT anode overcomes the disadvantage of Na electrodes, which is not easily processable, and exhibits more flat voltage profiles, lower stripping/plating overpotential, and better cycling stability in an additive-free carbonate-based electrolyte compared with bare Na electrodes.

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          Opportunities and challenges for a sustainable energy future.

          Access to clean, affordable and reliable energy has been a cornerstone of the world's increasing prosperity and economic growth since the beginning of the industrial revolution. Our use of energy in the twenty-first century must also be sustainable. Solar and water-based energy generation, and engineering of microbes to produce biofuels are a few examples of the alternatives. This Perspective puts these opportunities into a larger context by relating them to a number of aspects in the transportation and electricity generation sectors. It also provides a snapshot of the current energy landscape and discusses several research and development opportunities and pathways that could lead to a prosperous, sustainable and secure energy future for the world.
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            Building better batteries.

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              Issues and challenges facing rechargeable lithium batteries.

              Technological improvements in rechargeable solid-state batteries are being driven by an ever-increasing demand for portable electronic devices. Lithium-ion batteries are the systems of choice, offering high energy density, flexible and lightweight design, and longer lifespan than comparable battery technologies. We present a brief historical review of the development of lithium-based rechargeable batteries, highlight ongoing research strategies, and discuss the challenges that remain regarding the synthesis, characterization, electrochemical performance and safety of these systems.
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                Author and article information

                Contributors
                Journal
                CHCOFS
                Chemical Communications
                Chem. Commun.
                Royal Society of Chemistry (RSC)
                1359-7345
                1364-548X
                2018
                2018
                : 54
                : 68
                : 9406-9409
                Affiliations
                [1 ]Institute for Interdisciplinary Research
                [2 ]Key Laboratory of Optoelectronic Chemical Materials and Devices
                [3 ]Ministry of Education
                [4 ]Jianghan University
                [5 ]Wuhan 430056
                [6 ]College of Aerospace Science and Engineering
                [7 ]National University of Defence Technology
                [8 ]Changsha 410073
                [9 ]China
                Article
                10.1039/C8CC03996H
                0d5eefdd-a9aa-4024-9f1b-fa1b83e17ade
                © 2018

                http://rsc.li/journals-terms-of-use

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