A Novel Organic “Polyurea” Thin Film for Ultralong-Life Lithium-Metal Anodes via Molecular-Layer Deposition

2018 ◽  
Vol 31 (4) ◽  
pp. 1806541 ◽  
Author(s):  
Yipeng Sun ◽  
Yang Zhao ◽  
Jiwei Wang ◽  
Jianneng Liang ◽  
Changhong Wang ◽  
...  
2021 ◽  
Vol 2021 ◽  
pp. 1-16
Author(s):  
Xiangbo Meng ◽  
Kah Chun Lau ◽  
Hua Zhou ◽  
Sujan Kumar Ghosh ◽  
Mourad Benamara ◽  
...  

In this work, we for the first time developed a novel lithium-containing crosslinked polymeric material, a lithicone that enables excellent protection effects over lithium (Li) metal anodes. This new lithicone was synthesized via an accurately controllable molecular layer deposition (MLD) process, in which lithium tert-butoxide (LTB) and glycerol (GL) were used as precursors. The resultant LiGL lithicone was analyzed using a suite of characterizations. Furthermore, we found that the LiGL thichicone could serve as an exceptional polymeric protection film over Li metal anodes. Our experimental data revealed that the Li electrodes coated by this LiGL lithicone can achieve a superior cycling stability, accounting for an extremely long cyclability of >13,600 Li-stripping/plating cycles and having no failures so far in Li/Li symmetric cells at a current density of 5 mA/cm2 and an areal capacity of 1 mAh/cm2. We found that, with a sufficient protection by this LiGL coating, Li electrodes could realize long-term stable cyclability with little formation of Li dendrites and solid electrolyte interphase. This novel LiGL represents a facile and effective solution to the existing issues of Li anodes and potentially paves a technically feasible route for lithium metal batteries.


2021 ◽  
Author(s):  
Kristina Ashurbekova ◽  
Karina Ashurbekova ◽  
Iva Saric ◽  
Evgeny Modin ◽  
Mladen Petravic ◽  
...  

We developed a thin film growth with a radical-initiated cross-linking of vinyl groups in a layer-by-layer manner via molecular layer deposition (MLD). The cross-linked film exhibited improved properties like 12% higher density and enhanced stability compared to the non-cross-linked film.


Author(s):  
Seung-Hwan Lee ◽  
Hyun-Jun Jeong ◽  
Ki-Lim Han ◽  
GeonHo Beak ◽  
Jin-Seong Park

Indium oxide and indicone hybrid films consisting of indium oxide and organic aromatic linker are grown by molecular layer deposition (MLD) using bis(trimethylsilyl)amido-diethyl Indium (INCA-1) as the indium precursor, hydrogen...


2021 ◽  
Vol MA2021-02 (29) ◽  
pp. 857-857
Author(s):  
Yipeng Sun ◽  
Yang Zhao ◽  
Keegan Adair ◽  
Tsun-Kong Sham ◽  
Xueliang Sun

2020 ◽  
Vol 49 (5) ◽  
pp. 1591-1599 ◽  
Author(s):  
Juho Heiska ◽  
Mikko Nisula ◽  
Eeva-Leena Rautama ◽  
Antti J. Karttunen ◽  
Maarit Karppinen

Crystalline Li-terephthalate and amino-functionalized Li-terephthalate thin film electrodes are fabricated from gaseous precursors with ALD/MLD to show that the electron-donating amino group lowers the redox potential.


2020 ◽  
Vol 56 (62) ◽  
pp. 8778-8781
Author(s):  
Kristina Ashurbekova ◽  
Karina Ashurbekova ◽  
Iva Saric ◽  
Evgenii Modin ◽  
Mladen Petravić ◽  
...  

Two consecutive vapor-to-solid ring opening reactions were applied for thin film siloxane polymerization by molecular layer deposition (MLD).


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