
Challenges and strategies towards the interface between lithium …
2023年11月1日 · In this review, we summarize the research progress of LGPS electrolyte, the interfacial issues and the corresponded modification strategies between Li anode and LGPS. LGPS possesses excellent ionic conductivity, but its poor stability and insufficient contact with Li greatly limit the practical application and commercialization.
A dynamic stability design strategy for lithium metal solid state ...
2021年5月12日 · The LGPS region was peeled off from the cycled pellet and X-ray diffraction (XRD) was conducted on the surface. Obvious strain broadening of LGPS XRD peaks is observed after symmetrical...
Ionic Conductivity of Nanocrystalline and Amorphous Li
2022年5月24日 · Solids with extraordinarily high Li + dynamics are key for high performance all-solid-state batteries. The thiophosphate Li 10 GeP 2 S 12 (LGPS) belongs to the best Li-ion conductors with an ionic conductivity exceeding 10 mS cm –1 at ambient temperature.
All-dry synthesis of self-supporting thin Li - ScienceDirect
2021年10月1日 · X-ray diffraction (XRD) patterns of C-LGPS were collected on Rigaku/max diffractometer with Cu Kα radiation. The morphologies and energy-dispersive spectral (EDS) images of the sample were obtained on a field-emission scanning electron microscopy (FE …
Synthesis of lithium oxy-thiophosphate solid electrolytes with Li
2023年6月12日 · Lithium oxy-thiophosphates isostructural with Li 10 GeP 2 S 12 (LGPS) were synthesized by a liquid-phase process using 2-propanol as the solvent and Li 2 S and P 2 S 5 as the starting materials. The XRD and 31 P NMR results indicate that the synthesized compound has a slightly shrieked LGPS-type crystal structure where sulfur in PS 4 3− is ...
LGPS:锂快离子导体应用于全固态锂电池 - 知乎
一种新型的锂固态电解质 Li10GeP2S12:具有1D的离子传输通道,室温离子电导率12mS/cm。 1、结构. 同步辐射XRD 和 中子衍射 揭示其结构为 四方晶系,空间群为 P42/nmc (137),晶胞参数为a=8.71771 (5) Å and c = 12.63452 (10) Å. 2、离子电导率及电化学稳定性. 室温离子电导率为12mS/cm,激活能为24 kJ/mol;电化学稳定性测试条件:1mV/S,-0.5-5V,可以看出电解质对金属锂稳定。 电导率测试的电解质片厚度3-4mm。 3、电池性能. 电池测试条件:1.9 …
(a) XRD patterns of LGPS before and after processed with ACN; …
These results indicate that the synthesized LGPS can be character- ized as pure cubic single phase (space group 141/acd). According to previous report [3], the cubic structure could provide...
X-ray diffraction patterns of the LGPS in different sintering ...
As shown in Fig. 1, the crystallization of the samples of LGPS, which were sintered at different temperatures, were investigated via XRD. The diffraction peaks of all the samples fabricated...
《硅酸盐学报》固态电池专题:硫化物固态电解质电化学稳定性研 …
lgps 是首个室温离子电导率超过电解液水平的固态电解质,达到 10 – 2 s/cm 。自 2011 年报道以来已成为固态电解质材料的研究热点。这是由于 lgps 具有三维骨架结构,为锂离子提供了快速传输的通道。
a) XRD patterns of pristine LGPS, LGPS after n-hexane treatment …
To set a basis for this, we investigate the chemical stability and ionic conductivity of the LGPS-type lithium-ion conductor tetra-Li7SiPS8 (LiSiPS) processed with various organic solvents.