Influence of lattice polarizability on the ionic conductivity in the lithium superionic argyrodites li 6 ps 5 x x cl, br, i. Lithium superionic conductor lisicon li14zngeo44, an important li ion conductor, is a general name for the glassceramic system. Toyota shows off all solid state lithium superionic conductor based prototype battery 26 september 2012, by bob yirka the allsolidstate battery prototype. Design principles for solidstate lithium superionic conductors. Since the discovery of lithium superionic conductor li10gep2s12. A lithium superionic conductor request pdf researchgate.
Diffraction data were obtained using neutron radiation at room temperature. It exhibits an extremely high lithium ionic conductivity of 12 ms cm. Insights into the performance limits of the li p s. Li ions migrate among the sites through these channels, contributing to overall ionic transport. Lotschabc one of the key challenges of energy research is finding solid electrolytes with high lithium conductivities comparable to those of liquid electrolytes. This framework structure has a onedimensional 1d lithium conduction pathway along the c axis.
This represents the highest conductivity achieved in a solid electrolyte. The nanoporous lps is a superionic conductor offering good electrochemical stability and favorable ionic conductivity. First principles design of lithium superionic conductors. It also suffers from high interfacial resistances with the electrodes. 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. The empty space in between these polyanion groups hosts li ions as li sites and forms interconnected channels.
The new superionic conductor li 10gep 2s 12 has a threedimensional framework structure consisting of ge 0. Experimental 3d lithium diffusion pathway in latp was extracted from the negative nuclear density maps reconstructed by the maximum entropy method. New lithium superionic conductors predicted from silver. Ujjal kumar sur the sustainable production of renewable energy such as solar and wind energy depends on a number of natural condi tions such as duration of the day or night, and velocity and direction of the wind. Raman scattering study of superionic conductor lithium. Membranes in lithium ion batteries semantic scholar. A lithium superionic conductor as a new solidstate battery electrolyte. 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. The rigid ion sublattice of adsics have structure channels where mobile ions of opposite sign. Superionic lithium conductor with a cubic argyroditetype. Antiperovskite li3ocl superionic conductor films for solid.
Evaluation of the energy landscape determining the lithium diffusion process in nasicontype superionic conductor is. Superionic conductivity in a lithium aluminum germanium. Supplementary information a lithium superionic conductor. Allsolidstate batteries incorporating lithium metal anode have the potential to address the energy density issues of conventional lithiumion.
Both candidates are derived from the relatively unexplored quaternary silver thiophosphates. One key enabler of this discovery is the development of a firstofitskind highthroughput first. Lithium superionic conductors with the li10gep2s12 lgpstype structure are promising materials for use as solid electrolytes in the nextgeneration lithium batteries. The excluded regions are due to the vanadium cell used for diffraction measurement. Through firstprinciples calculations and crystal structure prediction techniques, we identify a new layered oxysulfide lialso in orthorhombic structure as a novel lithium superionic conductor. 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. Highthroughput screening of solidstate liion conductors using. Pdf lithium solid electrolytes can potentially address two key limitations of the organic electrolytes used in todays lithiumion batteries, namely. Liion solidstate conductors require high ionic conductivity at room temperature and low activation energy ea for use over a broad range of. However, supply of such renewable energies is noncontinous. It exhibits an extremely high lithium ionic conductivity of 12mscm1 at room temperature. Pdf highpower allsolidstate batteries using sulfide. The glassceramic conductor primarily consisted of a phase which is the superionic conducting phase. Here, we report a lithium superionic conductor, li 10 gep 2 s 12 that has a new threedimensional framework structure.
Here, we show that clusterbased lithium superionic conductors can have very high conductivities of 10. A firstprinciple investigation of the li diffusion. A liion conductor material is comprised of a mobile liion sublattice hosted in a crystal structural framework of immobile polyanion groups. Lirich antiperovskite superionic conductors based on. Because of the near unity transference number of lithium superionic conductors. Two kinds of stacking sequences of layers of als 2 o 2. We also report successful fabrication of a roomtemperature solidstate nas. 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. In this study, lagp is prepared by a solgel process using comparatively lowcost gecl2 as one of the reactants. Among these solid electrolytes, the crystalline lithium superionic conductors have been paid much attention due to their high li ionic conductivity. A glassceramic, lithiumion conductor with a molar composition of 19. A lithium superionic conductor from first principles.
Lithium superionic conductors with the li10gep2s12 lgpstype structure are promising materials for use as solid electrolytes in the. Datadriven discovery and design of superionic lithium conductors for high performance lithium ion batteries 26 techniques to build ionic conductivity predictors, thus facilitating timeef. It exhibits an extremely high lithium ionic conductivity of 12 ms cm1 at room temperature. This represents the highest conductivity achieved in a solid electrolyte, exceeding even those of liquid organic electrolytes. Herein, we report a novel sodium superionic conductor with nasicon structure, na3. Superionic conductors are highly promising functional materials. Practical challenges and future perspectives of allsolid. Antiperovskite li 3 ocl superionic conductor films are prepared via pulsed laser deposition using a composite target.
Practical challenges and future perspectives of allsolidstate lithiummetal batteries shuixin xia, 1,4xinsheng wu. Due to the negligible grain boundary resistance for sulfide electrolytes, lps exhibits excellent conductivity even under cold pressed conditions. The final product lagp is obtained by sintering the dry precursor gel at 900 c for. A complex hydride lithium superionic conductor for high. Impedance characterization reveals mixed conducting. Pdf design principles for solidstate lithium superionic conductors. A solid lithium superionic conductor li11alp2s12 with a thio. Vajeeston department of chemistry, centre for materials science and nanotechnology, university of oslo, norway, box 1033 blindern, n0315 oslo, norway.
Fast lithium ion conduction in lithium phosphidoaluminates. Toyota shows off all solid state lithium superionic. 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. 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. Toyota shows off all solid state lithium superionic conductor based prototype battery.
An advanced superionic conductor adsic is fast ion conductor that has a crystal structure close to optimal for fast ion transport fit. It exhibits strikingly nonlinear ion exchange properties and may presage the discovery of similar coionic interactions in other superionic conductors. 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. Us202000671a1 lithium and sodium superionic conductors. These represent the first antimony argyrodites to date. Xuelong wang,1,2 ruijuan xiao,1, hong li,1 and liquan chen1. A lithium superionic conductor as a new solidstate. Crystal structural framework of lithium superionic conductors. Here, we report a complex hydride lithium superionic conductor, 0. We report on the novel superionic conductor li9alp4 which is easily synthesised from the elements via ballmilling and subsequent annealing at moderate temperatures and. Design principles for solidstate lithium superionic.
593 1174 125 815 932 1584 993 1114 852 1028 636 1240 1324 131 158 369 964 705 720 171 540 1048 80 1328 1063 1011 643 1218 1489 252 864 1083 1438 135 1167