Superionic conductivity in a lithium aluminum germanium. Here, we report a lithium superionic conductor, li 10 gep 2 s 12 that has a new threedimensional framework structure. 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. Lithium superionic conductors with the li10gep2s12 lgpstype structure are promising materials for use as solid electrolytes in the nextgeneration lithium batteries. 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. A fabricated allsolidstate cell based on this lithium conductor is found to have very small internal resistance. First principles design of lithium superionic conductors. Effect of bottleneck size on lithium migration in lithium garnets li 7.
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. Toyota shows off all solid state lithium superionic conductor based prototype battery. Enhancing the lithium ion conductivity in lithium superionic. Datadriven discovery and design of superionic lithium. Through firstprinciples calculations and crystal structure prediction techniques, we identify a new layered oxysulfide lialso in orthorhombic structure as a novel lithium superionic conductor. Here we report lithium superionic conductors with an exceptionally high conductivity 25mscm 1 for li 9.
Experimental 3d lithium diffusion pathway in latp was extracted from the negative nuclear density maps reconstructed by the maximum entropy method. 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. Among these solid electrolytes, the crystalline lithium superionic conductors have been paid much attention due to their high li ionic conductivity. Us202000671a1 lithium and sodium superionic conductors. 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. 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. Highthroughput screening of solidstate liion conductors using. A solid electrolyte, li 10 gep 2 s 12, exhibits a high lithium ionic conductivity of 12 mscm at room temperature. Design principles for solidstate lithium superionic conductors. Exploration of the series using a combination of single crystal xray and synchrotronneutron powder diffraction, combined with impedance spectroscopy, reveals that an optimal. 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. It exhibits an extremely high lithium ionic conductivity of. The socalled superionic conductors represent a class of solid materials showing an unusually high ionic conductivity.
Allsolidstate batteries incorporating lithium metal anode have the potential to address the energy density issues of conventional lithiumion. Thus, oxygen doping is an effective way of improving the electrochemical stability of lgpstype structure. Lithium diffusion in the superionic conductor li2s. The nanoporous lps is a superionic conductor offering good. It exhibits an extremely high lithium ionic conductivity of 12 ms cm1 at. A lattice dynamical approach for finding the lithium superionic. Design and synthesis of the superionic conductor nasubscript 10snpsubscript 2ssubscript 12. 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. Pdf a complex hydride lithium superionic conductor for high. A glassceramic, lithiumion conductor with a molar composition of 19. Datadriven discovery and design of superionic lithium conductors for high performance lithium ion batteries 36 roughly ten seconds of wall time per structure. Sep 12, 2019 understanding fast ionic diffusion in solids is key to engineering solid electrolytes for energy storage devices such as allsolidstate batteries.
Their structure is characterized by strong disorder in the sublattice of conducting ions. Herein, we report a novel sodium superionic conductor with nasicon structure, na3. A complex hydride lithium superionic conductor for highenergydensity allsolidstate lithium metal batteries. Here, we show that the room temperature lithium ion conductivity can be improved by several orders of magnitude through. Lirich antiperovskite superionic conductors based on cluster. A solid lithium superionic conductor li11alp2s12 with a thio. 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. Here, we report a complex hydride lithium superionic conductor, 0. A complex hydride lithium superionic conductor for highenergy. The most famous example of advanced superionic conductorsolid electrolyte is rbag 4 i 5 where. This represents the highest conductivity achieved in a solid electrolyte. Chemical bonding of moving cations in superionic conductors y kowada. Here, we report a lithium superionic conductor, li10gep2s12 that has a new threedimensional framework structure. 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.
It exhibits an extremely high lithium ionic conductivity of 12 ms cm1 at room temperature. 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. We also report successful fabrication of a roomtemperature solidstate nas cell using this conductor. This letter explores alloying effects on the superionic conductivity of lithium indium halides, li 3 inbr 6. Jul 31, 2011 here, we report a lithium superionic conductor, li 10 gep 2 s 12 that has a new threedimensional framework structure. A lithium superionic conductor as a new solidstate. 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. These represent the first antimony argyrodites to date. Jul 31, 2011 here, we report a lithium superionic conductor, li10gep2s12 that has a new threedimensional framework structure. An advanced superionic conductor adsic is fast ion conductor that has a crystal structure close to optimal for fast ion transport fit.
The aqueous stability of sices is an important property in determining their applicability in various roles. 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. Lisicon intermediate compounds are found to exhibit solid solution. Design and synthesis of the superionic conductor nasubscript. Synthesis, structure, and conduction mechanism of the lithium.
This work provides li3eri6 as an interesting novel framework for optimization in the class of halidebased ionic conductors. Electrochemically stable li7p2s8i superionic conductor. Empowering the lithium metal battery through a siliconbased. Discharge performance of allsolidstate battery using a lithium. New family of argyrodite thioantimonate lithium superionic. Design principles for solidstate lithium superionic. Frontiers aqueous stability of alkali superionic conductors. Two kinds of stacking sequences of layers of als 2 o 2. Chemical bonding of moving cations in superionic conductors 560 kb contents. Both candidates are derived from the relatively unexplored quaternary silver thiophosphates. Discharge performance of allsolidstate battery using a. Understanding fast ionic diffusion in solids is key to engineering solid electrolytes for energy storage devices such as allsolidstate batteries. 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. Jun 18, 2015 high conducting oxide sulfide composite lithium superionic conductor. Novel superionic lithiumconductor with a cubicargyroditetype structure was synthesized and examined as a solidelectrolyte in the lialsis system. For stochastic lattice gases we discuss the behavior of.
Higher order elastic constants have been calculated in hexagonally structured superionic conductor li 3 n at room temperature using the interaction potential model. A lithium superionic conductor from first principles. Alloying of anions is a promising engineering strategy for tuning ionic conductivity in halidebased inorganic solid electrolytes. 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. As one of the key components of the allsolidstate lithium battery, solid electrolytes offer high ionic conductivity, mechanical strength, good. Superionic lithium conductor with a cubic argyroditetype. The solid superionic conductor material of claim 10, wherein the activation energy is about 0. The experimental measurement of conductivities has shown that alloying in li 3 inbr 6. A lithium superionic conductor request pdf researchgate. Since the discovery of lithium superionic conductor li10gep2s12 lgps by kanno et al. Lithium superionic conductors with the li10gep2s12 lgpstype structure are promising materials for use as solid electrolytes in the. A complex hydride lithium superionic conductor for high.
Alloying effects on superionic conductivity in lithium indium. Miara, yan wang, jae chul kim, shyue ping ong, ichiro uechi, naoki suzuki, and gerbrand ceder. Toyota shows off all solid state lithium superionic conductor. This represents the highest conductivity achieved in a solid electrolyte, exceeding even those of liquid organic electrolytes.
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