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      A solid lithium superionic conductor Li11AlP2S12 with a thio-LISICON analogous structure

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          Abstract

          A solid lithium superionic conductor Li 11AlP 2S 12 with a thio-LISICON analogous structure has been synthesized for the first time and shows a high lithium ion conductivity of 8.02 × 10 −4 S cm −1 at 25 °C, a low E a of 25.4 kJ mol −1, and a wide electrochemical voltage window of higher than 5 V vs. Li/Li +.

          Abstract

          A solid lithium superionic conductor Li 11AlP 2S 12 with a thio-LISICON analogous structure has been synthesized for the first time by sintering at 500 °C (LAlPS 500). Such a pure lithium ionic conductor shows a conductivity of 8.02 × 10 −4 S cm −1 at 25 °C, a low E a of 25.4 kJ mol −1, and a wide electrochemical voltage window of higher than 5.0 V ( vs. Li +/Li). This facilitation of Li ionic conduction suggests the potential application in solid lithium ion batteries.

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          New, Highly Ion-Conductive Crystals Precipitated from Li2S-P2S5 Glasses

          M. Tatsumisago, F Mizuno, A. Hayashi … (2005)
          Article 0 comments Cited 218 times – based on 0 reviews     Review now
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            Nanostructured Mn-based oxides for electrochemical energy storage and conversion.

            Kai Rui Zhang, Xiaopeng Han, Zhe Hu … (2015)
            Batteries and supercapacitors as electrochemical energy storage and conversion devices are continuously serving for human life. The electrochemical performance of batteries and supercapacitors depends in large part on the active materials in electrodes. As an important family, Mn-based oxides have shown versatile applications in primary batteries, secondary batteries, metal-air batteries, and pseudocapacitors due to their high activity, high abundance, low price, and environmental friendliness. In order to meet future market demand, it is essential and urgent to make further improvements in energy and power densities of Mn-based electrode materials with the consideration of multiple electron reaction and low molecular weight of the active materials. Meanwhile, nanomaterials are favourable to achieve high performance by means of shortening the ionic diffusion length and providing large surface areas for electrode reactions. This article reviews the recent efforts made to apply nanostructured Mn-based oxides for batteries and pseudocapacitors. The influence of structure, morphology, and composition on electrochemical performance has been systematically summarized. Compared to bulk materials and notable metal catalysts, nanostructured Mn-based oxides can promote the thermodynamics and kinetics of the electrochemical reactions occurring at the solid-liquid or the solid-liquid-gas interface. In particular, nanostructured Mn-based oxides such as one-dimensional MnO2 nanostructures, MnO2-conductive matrix nanocomposites, concentration-gradient structured layered Li-rich Mn-based oxides, porous LiNi0.5Mn1.5O4 nanorods, core-shell structured LiMnSiO4@C nanocomposites, spinel-type Co-Mn-O nanoparticles, and perovskite-type CaMnO3 with micro-nano structures all display superior electrochemical performance. This review should shed light on the sustainable development of advanced batteries and pseudocapacitors with nanostructured Mn-based oxides.
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              All-solid-state lithium organic battery with composite polymer electrolyte and pillar[5]quinone cathode.

              Zhiqiang Zhu, Meiling Hong, Dongsheng Guo … (2014)
              The cathode capacity of common lithium ion batteries (LIBs) using inorganic electrodes and liquid electrolytes must be further improved. Alternatively, all-solid-state lithium batteries comprising the electrode of organic compounds can offer much higher capacity. Herein, we successfully fabricated an all-solid-state lithium battery based on organic pillar[5]quinone (C35H20O10) cathode and composite polymer electrolyte (CPE). The poly(methacrylate) (PMA)/poly(ethylene glycol) (PEG)-LiClO4-3 wt % SiO2 CPE has an optimum ionic conductivity of 0.26 mS cm(-1) at room temperature. Furthermore, pillar[5]quinine cathode in all-solid-state battery rendered an average operation voltage of ∼2.6 V and a high initial capacity of 418 mAh g(-1) with a stable cyclability (94.7% capacity retention after 50 cycles at 0.2C rate) through the reversible redox reactions of enolate/quinonid carbonyl groups, showing favorable prospect for the device application with high capacity.
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                Author and article information

                Journal
                Journal ID (publisher-id): CHCOFS
                Title: Chemical Communications
                Abbreviated Title: Chem. Commun.
                Publisher: Royal Society of Chemistry (RSC)
                ISSN (Print): 1359-7345
                ISSN (Electronic): 1364-548X
                Publication date Created: 2016
                Publication date (Electronic): 2016
                Volume: 52
                Issue: 36
                Pages: 6091-6094
                Affiliations
                [1 ]Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) and State Key Laboratory of Elemento-Organic Chemistry
                [2 ]College of Chemistry
                [3 ]Nankai University
                [4 ]Tianjin 300071
                [5 ]China
                Article
                DOI: 10.1039/C6CC02131J
                SO-VID: c8dc1ffc-46f3-40df-b766-398c59be88c4
                Copyright © © 2016
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