The origin of high electrolyte–electrode interfacial resistances in lithium cells containing garnet type solid electrolytes

2014 ◽  
Vol 16 (34) ◽  
pp. 18294-18300 ◽  
Author(s):  
Lei Cheng ◽  
Ethan J. Crumlin ◽  
Wei Chen ◽  
Ruimin Qiao ◽  
Huaming Hou ◽  
...  

High interfacial resistance in Li7La3Zr2O12(LLZO)/Li cells is correlated with the presence of Li2CO3on LLZO surfaces.

Author(s):  
Wei Liu ◽  
Ryan Milcarek ◽  
Kang Wang ◽  
Jeongmin Ahn

In this study, a multi-layer structure solid electrolyte (SE) for all-solid-state electrolyte lithium ion batteries (ASSLIBs) was fabricated and characterized. The SE was fabricated by laminating ceramic electrolyte Li1.3Al0.3Ti1.7(PO4)3 (LATP) with polymer (PEO)10-Li(N(CF3SO2)2 electrolyte and gel-polymer electrolyte of PVdF-HFP/ Li(N(CF3SO2)2. It is shown that the interfacial resistance is generated by poor contact at the interface of the solid electrolytes. The lamination protocol, material selection and fabrication method play a key role in the fabrication process of practical multi-layer SEs.


1993 ◽  
Vol 41 (3) ◽  
pp. 291-298 ◽  
Author(s):  
Hiromori Tsutsumi ◽  
Masahiro Yamamoto ◽  
Masayuki Morita ◽  
Yoshiharu Matsuda ◽  
Takashi Nakamura ◽  
...  

2021 ◽  
Vol 50 (39) ◽  
pp. 13786-13800
Author(s):  
M. P. Stockham ◽  
B. Dong ◽  
M. S. James ◽  
Y. Li ◽  
Y. Ding ◽  
...  

Lithium garnets are promising solid electrolytes; however, they suffer from intrinsically high interfacial resistance. In this work we exploit Ga dopant instability to form Li/Ga eutectic mixtures that give very low resistance at the Li interface.


2020 ◽  
Vol 8 (35) ◽  
pp. 18087-18093
Author(s):  
Bin Tang ◽  
Longxue Gao ◽  
Junqing Liu ◽  
Shou-Hang Bo ◽  
Zhaojun Xie ◽  
...  

We sputter amorphous SnO2 layer onto the surface of solid electrolytes via atomic layer deposition, which reduces interfacial resistance, prevents interface reactions with metallic lithium and provides high stability for long cycling.


2016 ◽  
Vol 218 ◽  
pp. 271-277 ◽  
Author(s):  
Yun-Chae Jung ◽  
Myung-Soo Park ◽  
Chil-Hoon Doh ◽  
Dong-Won Kim

2019 ◽  
Vol 92 (11) ◽  
pp. 430-434
Author(s):  
Akitoshi HAYASHI ◽  
Atsushi SAKUDA ◽  
Masahiro TATSUMISAGO

2020 ◽  
Author(s):  
Saneyuki Ohno ◽  
Tim Bernges ◽  
Johannes Buchheim ◽  
Marc Duchardt ◽  
Anna-Katharina Hatz ◽  
...  

<p>Owing to highly conductive solid ionic conductors, all-solid-state batteries attract significant attention as promising next-generation energy storage devices. A lot of research is invested in the search and optimization of solid electrolytes with higher ionic conductivity. However, a systematic study of an <i>interlaboratory reproducibility</i> of measured ionic conductivities and activation energies is missing, making the comparison of absolute values in literature challenging. In this study, we perform an uncertainty evaluation via a Round Robin approach using different Li-argyrodites exhibiting orders of magnitude different ionic conductivities as reference materials. Identical samples are distributed to different research laboratories and the conductivities and activation barriers are measured by impedance spectroscopy. The results show large ranges of up to 4.5 mScm<sup>-1</sup> in the measured total ionic conductivity (1.3 – 5.8 mScm<sup>-1</sup> for the highest conducting sample, relative standard deviation 35 – 50% across all samples) and up to 128 meV for the activation barriers (198 – 326 meV, relative standard deviation 5 – 15%, across all samples), presenting the necessity of a more rigorous methodology including further collaborations within the community and multiplicate measurements.</p>


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