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Supporting Information Dense All-Electrochem-Active Electrodes for All-Solid-State Lithium Batteries Meiying Li1,2, Tao Liu1, Zhe Shi3, Weijiang Xue3, Yong-sheng Hu1, Hong Li1, Xuejie Huang1, Ju Li3*, Liumin Suo1,2,4*， Liquan Chen1 Materials and methods: Materials: The Mo6S8 was synthesized by methods previously reported. The TiS2 (99.9%), S8 (99.95%, Innochem), Li4Ti5O12 (99%), Li10GeP2S12 (2-5μm, Kejing star), Li3PS4 (2-5μm, Kejing star), Li (99.95%, 80μm, CEL) and In (99.999%, 30 μm) foils were obtained commercially. For LMS and LTS-based AEA cathode, the Mo6S8 and TiS2 are using as the AEA electrode without further treatment. For hybrid S-LMS and LTO-LMS based AEA cathode, the S8 / Mo6S8 and Li4Ti5O12 / Mo6S8 were mixed in 67.5:32.5 (wt%) and 40:60 (wt%) ratio and then put in an agate mortar for the ball- milling with 300r, 12h, and 300 r, 4 h to prepare the hybrid AEA cathode, respectively. Electronic conductivity measurements: The electronic conductivities of the powder materials were measured by the 4-probe method at room temperature and atmosphere, using a Powder electronic conductivity meter (MCP PD51, Mitsubishi Chemical). The sample was poured into an insulating tube (diameter 20 mm) and pressed into a pellet (thickness 2-4 mm) with four conducting probes remain in contact with the sample. The conductivities were measured under various pressure from 6.37 MPa to 50.93 MPa. Ionic diffusion coefficient measurements: Since the ionic conductivity measurement of the mixed ionic and electronic conductor is difficult, here, the Li-ion diffusion coefficient was measurement by potentiostatic intermittent titration technique (PITT).PDF Image | Dense All-Electrochem-Active Electrodes for All-Solid-State Lithium Batteries
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