Properties of Lithium Trivanadate Film Electrodes Formed on Garnet-Type Oxide Solid Electrolyte by Aerosol Deposition

Abstract

We fabricated lithium trivanadate LiV3O8 (LVO) film electrodes for the first time on a garnet-type Ta-doped Li7La3Zr2O12 (LLZT) solid electrolyte using the aerosol deposition (AD) method. Ball-milled LVO powder with sizes in the range of 0.5–2 µm was used as a raw material for LVO film fabrication via impact consolidation at room temperature. LVO film (thickness = 5 µm) formed by AD has a dense structure composed of deformed and fractured LVO particles and pores were not observed at the LVO/LLZT interface. For electrochemical characterization of LVO film electrodes, lithium (Li) metal foil was attached on the other end face of a LLZT pellet to comprise a LVO/LLZT/Li all-solid-state cell. From impedance measurements, the charge transfer resistance at the LVO/LLZT interface is estimated to be around 103 Ω cm2 at room temperature, which is much higher than at the Li/LLZT interface. Reversible charge and discharge reactions in the LVO/LLZT/Li cell were demonstrated and the specific capacities were 100 and 290 mAh g−1 at 50 and 100 °C. Good cycling stability of electrode reaction indicates strong adhesion between the LVO film electrode formed via impact consolidation and LLZT.

Characterization of Sn4P3–Carbon Composite Films for Lithium-Ion Battery Anode Fabricated by Aerosol Deposition

“…As shown in the literature [34,40,42], an AD apparatus consists of a carrier gas supplying system, an aerosol chamber, a deposition chamber equipped with a motored X-Y-Z stage and a nozzle with a thin rectangular-shaped orifice with the cross-sectional size of 10 mm × 0.5 mm. Sn 4 P 3 /C powder was used as a raw material for fabricating Sn 4 P 3 /C composite film by AD.…”

“…To date, several works for the application of AD to rechargeable battery materials have been reported. The electrochemical performance for film-shaped electrodes of Si alloy or composite [29,30], tin-phosphide with different compositions [31], transition metal oxides [32,33,34,35,36,37,38,39,40] formed on a metal and a ceramic-based solid electrolyte substrate have been studied to verify the feasibility of AD. Moreover, as-deposited solid electrolyte films show a moderate Li + conductivity of 10 −7 –10 −5 S cm −1 at room temperature [41,42,43,44,45].…”

Pulsed laser deposition of the LaVO4:Eu, Ca nanoparticles on glass and silicon substrates

“…The PLD process for the LaVO 4 compounds was only episodically reported previously (Higuchi et al, 2011;Inada et al, 2018). The PLD films of orthovanadates were studied more intensively for BiVO 4 in connection with photocatalysis applications (Rettie et al, 2014;Jeong et al, 2017;Venkatesan et al, 2018) and for luminescent YVO 4 :Eu (Kang et al, 2001;Kim et al, 2004;Zhu et al, 2014) and for GdVO 4 :Nd (Bae et al, 2007;Bär et al, 2006;Dong et al, 2006;Yi et al, 2006) in connections with laser applications.…”

“…Thin films of oxide phosphors can be prepared by various methods such as chemical vapor deposition, sol-gel deposition, spin-coating, reactive sputtering, molecular beam epitaxy, liquid phase epitaxy, etc. (Higuchi et al, 2011;Inada et al, 2018;Malashkevich et al, 2016;Zorenko et al, 2005). A good way to save luminescent properties of vanadate nanoparticles is pulsed laser deposition (PLD) of films .…”

Powder aerosol deposition method — novel applications in the field of sensing and energy technology

“…3 Switching from common liquid Li þ -ion cells to ASSB has major consequences on the cathode side. Deposition of cathode films of several μm thickness was shown for LiMn 2 O 4 , 113 LiNi x Co y Mn z O 2 , 114,115 118 although, considering high energy cells, the thickness of the cathode layer has to be increased. 106 However, it becomes even more complicated, since besides the storage component, solid ion-and electron-conducting components are necessary.…”