Design and synthesis of the superionic conductor nasubscript 10snpsubscript 2ssubscript 12. Miara, yan wang, jae chul kim, shyue ping ong, ichiro uechi, naoki suzuki, and gerbrand ceder. Jul 31, 2011 here, we report a lithium superionic conductor, li 10 gep 2 s 12 that has a new threedimensional framework structure. Here, we report a lithium superionic conductor, li 10 gep 2 s 12 that has a new threedimensional framework structure. Discharge performance of allsolidstate battery using a. Supplementary information a lithium superionic conductor. Impedance spectroscopy is used to probe interactions between the new superionic conductor and lithium metal revealing a more favorable decomposition than previous metal containing electrolytes. A lithium superionic conductor from first principles xuelong wang,1,2 ruijuan xiao,1, hong li,1 and liquan chen1 1beijing national laboratory for condensed matterphysics, institute ofphysics, chineseacademy of sciences, beijing 100190,china 2university of chinese academy of sciences, beijing 49, china received 23 january 2017. Two kinds of stacking sequences of layers of als 2 o 2. This work provides li3eri6 as an interesting novel framework for optimization in the class of halidebased ionic conductors. Lithium diffusion in the superionic conductor li2s. The experimental measurement of conductivities has shown that alloying in li 3 inbr 6.
The socalled superionic conductors represent a class of solid materials showing an unusually high ionic conductivity. Frontiers aqueous stability of alkali superionic conductors. Lirich antiperovskite superionic conductors based on cluster. Toyota shows off all solid state lithium superionic conductor based prototype battery. Lithium superionic conductors with the li10gep2s12 lgpstype structure are promising materials for use as solid electrolytes in the. These represent the first antimony argyrodites to date. Value of the coefficient p is characteristic for given. A complex hydride lithium superionic conductor for high. It exhibits an extremely high lithium ionic conductivity of 12 ms cm. It exhibits an extremely high lithium ionic conductivity of 12 ms cm1 at room temperature.
Highthroughput screening of solidstate liion conductors using. Ceramic alkali superionic conductor solid electrolytes sices play a prominent role in the development of rechargeable alkaliion batteries, ranging from replacement of organic electrolytes to being used as separators in aqueous batteries. It exhibits an extremely high lithium ionic conductivity of 12 ms cm1 at. Here, we show that the room temperature lithium ion conductivity can be improved by several orders of magnitude through. The glassceramic conductor primarily consisted of a phase which is the superionic conducting phase.
First principles design of lithium superionic conductors. Here, by exploring a set of lithiumrich antiperovskites composed of cluster ions, we report a lithium superionic conductor, li 3 sbf 4, that has an estimated 3d rt conductivity of 10. Synthesis, structure, and conduction mechanism of the lithium. Datadriven discovery and design of superionic lithium. Superionic lithium conductor with a cubic argyroditetype. A solid electrolyte, li 10 gep 2 s 12, exhibits a high lithium ionic conductivity of 12 mscm at room temperature. A complex hydride lithium superionic conductor for highenergy. Both candidates are derived from the relatively unexplored quaternary silver thiophosphates. Empowering the lithium metal battery through a siliconbased. Their structure is characterized by strong disorder in the sublattice of conducting ions. However, supply of such renewable energies is noncontinous. Lisicon intermediate compounds are found to exhibit solid solution. Design and synthesis of the superionic conductor nasubscript.
A lithium superionic conductor from first principles. Here, we report a lithium superionic conductor, li10gep2s12 that has a new threedimensional framework structure. Alloying effects on superionic conductivity in lithium indium. Lithium superionic conductors with the li10gep2s12 lgpstype structure are promising materials for use as solid electrolytes in the nextgeneration lithium batteries. A lithium superionic conductor as a new solidstate. Effect of bottleneck size on lithium migration in lithium garnets li 7. Pdf a complex hydride lithium superionic conductor for high. The most famous example of advanced superionic conductorsolid electrolyte is rbag 4 i 5 where. We also report successful fabrication of a roomtemperature solidstate nas cell using this conductor. Allsolidstate batteries incorporating lithium metal anode have the potential to address the energy density issues of conventional lithiumion. An advanced superionic conductor adsic is fast ion conductor that has a crystal structure close to optimal for fast ion transport fit. A complex hydride lithium superionic conductor for highenergydensity allsolidstate lithium metal batteries. This letter explores alloying effects on the superionic conductivity of lithium indium halides, li 3 inbr 6. It exhibits an extremely high lithium ionic conductivity of.
Jun 18, 2015 high conducting oxide sulfide composite lithium superionic conductor. The solid superionic conductor material of claim 10, wherein the activation energy is about 0. In this issue of chem, hautier and coworkers conduct atomistic modeling and nuclear magnetic resonance experiments to illustrate how the unique structure of liti2ps43 enables unprecedented liion diffusivity. Us202000671a1 lithium and sodium superionic conductors. A lattice dynamical approach for finding the lithium superionic. Because of its high ionic conductivity, high chargedischarge performance would be expected for the allsolidstate batteries using the li 10 gep 2 s 12 electrolytes. Jul 31, 2011 here, we report a lithium superionic conductor, li10gep2s12 that has a new threedimensional framework structure. Sep 12, 2019 understanding fast ionic diffusion in solids is key to engineering solid electrolytes for energy storage devices such as allsolidstate batteries. Alloying of anions is a promising engineering strategy for tuning ionic conductivity in halidebased inorganic solid electrolytes. The carefully presented detail of this book will be of value to research devoted to the understanding and control of functional materials such as superionic conductors. Chemical bonding of moving cations in superionic conductors y kowada. Among these solid electrolytes, the crystalline lithium superionic conductors have been paid much attention due to their high li ionic conductivity.
A lithium superionic conductor from first principles xuelong wang,1,2 ruijuan xiao,1, hong li,1 and liquan chen1 1beijing national laboratory for condensed matterphysics, institute ofphysics, chineseacademy of sciences, beijing 100190,china. Oct 17, 2017 here, by exploring a set of lithiumrich antiperovskites composed of cluster ions, we report a lithium superionic conductor, li 3 sbf 4, that has an estimated 3d rt conductivity of 10. Evaluation of the energy landscape determining the lithium diffusion process in nasicontype superionic conductor is shown for the first time. The nanoporous lps is a superionic conductor offering good. Lithium superionic conductor lisiconrelated compositions li4xsi1xxxo4 x p, al, or ge are important materials that have been identified as potential solid electrolytes for all solid state batteries. Toyota shows off all solid state lithium superionic conductor. Design principles for solidstate lithium superionic conductors. Sep 26, 2012 toyota shows off all solid state lithium superionic conductor based prototype battery. Enhancing the lithium ion conductivity in lithium superionic. Higher order elastic constants have been calculated in hexagonally structured superionic conductor li 3 n at room temperature using the interaction potential model. Exploration of the series using a combination of single crystal xray and synchrotronneutron powder diffraction, combined with impedance spectroscopy, reveals that an optimal. Since the discovery of lithium superionic conductor li10gep2s12 lgps by kanno et al. Discharge performance of allsolidstate battery using a lithium.
Supplementary information a lithium superionic conductor noriaki kamaya1, kenji homma1, yuichiro yamakawa1, masaaki hirayama1, ryoji kanno1, masao yonemura2, takashi kamiyama2, yuki kato3, shigenori hama3, koji kawamoto3, and akio mitsui4 1department of electronic chemistry, interdisciplinary graduate school of science and. Insights into the performance limits of the li p s superionic. Experimental 3d lithium diffusion pathway in latp was extracted from the negative nuclear density maps reconstructed by the maximum entropy method. For stochastic lattice gases we discuss the behavior of. A fabricated allsolidstate cell based on this lithium conductor is found to have very small internal resistance. Novel superionic lithiumconductor with a cubicargyroditetype structure was synthesized and examined as a solidelectrolyte in the lialsis system.
Thus, oxygen doping is an effective way of improving the electrochemical stability of lgpstype structure. Herein, we report a novel sodium superionic conductor with nasicon structure, na3. The aqueous stability of sices is an important property in determining their applicability in various roles. A lithium superionic conductor as a new solidstate battery electrolyte ujjal kumar sur the sustainable production of renewable energy such as solar and wind energy depends on a number of natural conditions such as duration of the day or night, and velocity and direction of the wind. Here we report lithium superionic conductors with an exceptionally high conductivity 25mscm 1 for li 9. A glassceramic, lithiumion conductor with a molar composition of 19.
Presented are new, earthabundant lithium superionic conductors, li 3 yps 4 2 and ll 5 ps 4 ci 2, that emerged from a comprehensive screening of the lips and limps chemical spaces. We shall describe the dynamic properties of the partially disordered state on the basis of two classes of theoretical models. Superionic conductivity in a lithium aluminum germanium. A lithium superionic conductor request pdf researchgate. A solid lithium superionic conductor li11alp2s12 with a thio. Due to the enhanced compatibility of li 10 sip 2 s 12 with lithium metal, we present one of the longest cycling bulk solidstate lithium metal batteries. Understanding fast ionic diffusion in solids is key to engineering solid electrolytes for energy storage devices such as allsolidstate batteries. The temperature variation of the ultrasonic velocities was evaluated along different angles with z axis unique axis of the crystal, using the second order elastic constants. As one of the key components of the allsolidstate lithium battery, solid electrolytes offer high ionic conductivity, mechanical strength, good. Apr 21, 2016 ceramic alkali superionic conductor solid electrolytes sices play a prominent role in the development of rechargeable alkaliion batteries, ranging from replacement of organic electrolytes to being used as separators in aqueous batteries. New family of argyrodite thioantimonate lithium superionic. Nondestructive characterization of superionic conductor. Chemical bonding of moving cations in superionic conductors 560 kb contents.
Electrochemically stable li7p2s8i superionic conductor. This represents the highest conductivity achieved in a solid electrolyte, exceeding even those of liquid organic electrolytes. Datadriven discovery and design of superionic lithium conductors for high performance lithium ion batteries 36 roughly ten seconds of wall time per structure. Here, we report a complex hydride lithium superionic conductor, 0. Design principles for solidstate lithium superionic. Wo2016014149a1 electrochemically stable li7p2s8i superionic. Through firstprinciples calculations and crystal structure prediction techniques, we identify a new layered oxysulfide lialso in orthorhombic structure as a novel lithium superionic conductor.
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