Here, we show that clusterbased lithium superionic conductors can have very high conductivities of 10. These represent the first antimony argyrodites to date. Highthroughput screening of solidstate liion conductors using. It exhibits an extremely high lithium ionic conductivity of 12 ms cm. Lithium superionic conductors with the li10gep2s12 lgpstype structure are promising materials for use as solid electrolytes in the. Since the discovery of lithium superionic conductor li10gep2s12. Liion solidstate conductors require high ionic conductivity at room temperature and low activation energy ea for use over a broad range of. Superionic conductivity in a lithium aluminum germanium. Lithiumsodium beta alumina having a lithiumsodium ratio greater than about i appears to be the first generally useful lithium superionic conductor that has been reported. Membranes in lithium ion batteries semantic scholar. Crystal structural framework of lithium superionic conductors. Here, we report a lithium superionic conductor, li 10 gep 2 s 12 that has a new threedimensional framework structure. Experimental 3d lithium diffusion pathway in latp was extracted from the negative nuclear density maps reconstructed by the maximum entropy method. In this study, lagp is prepared by a solgel process using comparatively lowcost gecl2 as one of the reactants.
The glassceramic conductor primarily consisted of a phase which is the superionic conducting phase. Lithium superionic conductor lisicon li14zngeo44, an important li ion conductor, is a general name for the glassceramic system. We also report successful fabrication of a roomtemperature solidstate nas. Design principles for solidstate lithium superionic. Superionic conductors are highly promising functional materials.
Two kinds of stacking sequences of layers of als 2 o 2. We report on the novel superionic conductor li9alp4 which is easily synthesised from the elements via ballmilling and subsequent annealing at moderate temperatures and. 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. Practical challenges and future perspectives of allsolidstate lithiummetal batteries shuixin xia, 1,4xinsheng wu. Both candidates are derived from the relatively unexplored quaternary silver thiophosphates. First principles design of lithium superionic conductors. Diffraction data were obtained using neutron radiation at room temperature. An advanced superionic conductor adsic is fast ion conductor that has a crystal structure close to optimal for fast ion transport fit. 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. It exhibits an extremely high lithium ionic conductivity of 12mscm1 at room temperature. Us202000671a1 lithium and sodium superionic conductors. This represents the highest conductivity achieved in a solid electrolyte, exceeding even those of liquid organic electrolytes.
Toyota shows off all solid state lithium superionic conductor based prototype battery. Pdf design principles for solidstate lithium superionic conductors. Practical challenges and future perspectives of allsolid. Fast lithium ion conduction in lithium phosphidoaluminates. The new superionic conductor li 10gep 2s 12 has a threedimensional framework structure consisting of ge 0. New lithium superionic conductors predicted from silver. Impedance characterization reveals mixed conducting. A firstprinciple investigation of the li diffusion. Antiperovskite li 3 ocl superionic conductor films are prepared via pulsed laser deposition using a composite target. The final product lagp is obtained by sintering the dry precursor gel at 900 c for. Lirich antiperovskite superionic conductors based on. A complex hydride lithium superionic conductor for high. Here, we report a complex hydride lithium superionic conductor, 0. This represents the highest conductivity achieved in a solid electrolyte.
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. Evaluation of the energy landscape determining the lithium diffusion process in nasicontype superionic conductor is. It exhibits strikingly nonlinear ion exchange properties and may presage the discovery of similar coionic interactions in other superionic conductors. Xuelong wang,1,2 ruijuan xiao,1, hong li,1 and liquan chen1. The rigid ion sublattice of adsics have structure channels where mobile ions of opposite sign. Superionic lithium conductor with a cubic argyroditetype. Herein, we report a novel sodium superionic conductor with nasicon structure, na3. Datadriven discovery and design of superionic lithium conductors for high performance lithium ion batteries 26 techniques to build ionic conductivity predictors, thus facilitating timeef. Pdf lithium solid electrolytes can potentially address two key limitations of the organic electrolytes used in todays lithiumion batteries, namely. Lithium superionic conductors with the li10gep2s12 lgpstype structure are promising materials for use as solid electrolytes in the nextgeneration lithium batteries. It also suffers from high interfacial resistances with the electrodes. High power allsolidstate batteries using sulphide superionic conductors yuki kato1,2,3 satoshi hori,2 toshiya saito,1 kota suzuki,2 masaaki hirayama,2 akio mitsui4, masao yonemura5, hideki iba1, and ryoji kanno2 1battery research div. A lithium superionic conductor as a new solidstate battery electrolyte. Influence of lattice polarizability on the ionic conductivity in the lithium superionic argyrodites li 6 ps 5 x x cl, br, i.
The empty space in between these polyanion groups hosts li ions as li sites and forms interconnected channels. The nanoporous lps is a superionic conductor offering good electrochemical stability and favorable ionic conductivity. A lithium superionic conductor as a new solidstate. One key enabler of this discovery is the development of a firstofitskind highthroughput first. This framework structure has a onedimensional 1d lithium conduction pathway along the c axis.
Because of the near unity transference number of lithium superionic conductors. A lithium superionic conductor request pdf researchgate. Pdf highpower allsolidstate batteries using sulfide. A glassceramic, lithiumion conductor with a molar composition of 19. Antiperovskite li3ocl superionic conductor films for solid. A complex hydride lithium superionic conductor was synthesized by stabilizing the disordered high t phase of a closo type complex hydride containing closo type cagelike complex anions supplementary fig. Lithium aluminum germanium phosphate lagp is attracting a great deal of attention as a solid electrolyte for lithiumoxygen lio2 batteries due to its high ionic conductivity.
Raman scattering study of superionic conductor lithium. A complex hydride lithium superionic conductor for highenergy. A lithium superionic conductor from first principles. Through firstprinciples calculations and crystal structure prediction techniques, we identify a new layered oxysulfide lialso in orthorhombic structure as a novel lithium superionic conductor. Lotschabc one of the key challenges of energy research is finding solid electrolytes with high lithium conductivities comparable to those of liquid electrolytes. The most famous example of advanced superionic conductorsolid electrolyte is rbag 4 i 5 where. Toyota shows off all solid state lithium superionic conductor based prototype battery 26 september 2012, by bob yirka the allsolidstate battery prototype. Toyota shows off all solid state lithium superionic. Vajeeston department of chemistry, centre for materials science and nanotechnology, university of oslo, norway, box 1033 blindern, n0315 oslo, norway. However, supply of such renewable energies is noncontinous.
Supplementary information a lithium superionic conductor. Due to the negligible grain boundary resistance for sulfide electrolytes, lps exhibits excellent conductivity even under cold pressed conditions. Based on some criteria of material design of crystalline ionic conductors figure 6. Insights into the performance limits of the li p s. A liion conductor material is comprised of a mobile liion sublattice hosted in a crystal structural framework of immobile polyanion groups. The excluded regions are due to the vanadium cell used for diffraction measurement. It exhibits an extremely high lithium ionic conductivity of 12 ms cm1 at room temperature. New family of argyrodite thioantimonate lithium superionic.
Among these solid electrolytes, the crystalline lithium superionic conductors have been paid much attention due to their high li ionic conductivity. As a stepping stone in the development of new superionic conductors that can be utilized as functinal materials efforts to reevaluate solidinterior diffusion and conduction phenomena of ions and molecules in a superionic conductor on the basis of basic physical properties, and to. This is a first attempt in which the lithium superionic conductors are designed by the crystal structure prediction method and may help explore. Datadriven discovery and design of superionic lithium. It exhibits an extremely high lithium ionic conductivity of 12 ms cm1 at. Li ions migrate among the sites through these channels, contributing to overall ionic transport. A solid lithium superionic conductor li11alp2s12 with a thio.
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