On the electrochemistry of an anode stack for all-solid-state 3D-integrated batteries

This paper will report on the electrochemical and material characterization of a potential planar anode stack for all-solid-state 3D-integrated batteries. The first element of the stack is the silicon substrate. On top of silicon, a Li diffusion barrier layer material is deposited in order to effect...

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Vydané v:Journal of power sources Ročník 189; číslo 1; s. 402 - 410
Hlavní autori: Baggetto, L., Oudenhoven, J.F.M., van Dongen, T., Klootwijk, J.H., Mulder, M., Niessen, R.A.H., de Croon, M.H.J.M., Notten, P.H.L.
Médium: Journal Article Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: Amsterdam Elsevier B.V 01.04.2009
Elsevier
Predmet:
3D-integration
All-solid-state batteries
Anodes
Applied sciences
Batteries
Deposition
Diffraction
Direct energy conversion and energy accumulation
Electric batteries
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Electrolytes
Exact sciences and technology
Lithium diffusion barrier layers
Lithium ion
Silicon anode
Silicon substrates
Solid electrolyte interphase
Stacks
Solid electrolyte interphase
All-solid-state batteries
3D-integration
Silicon anode
Lithium ion
Lithium diffusion barrier layers
Scanning electron microscopy
Solid electrolyte
Lithium
Secondary cell
Electrode material
Electric batteries
Electrochemical characteristic
Thin film
Lifetime
Electrochemical properties
Electrochemistry
Reaction mechanism
Silicon
Kinetics
X ray diffractometry
Thermodynamic properties
Fuel cell
ISSN:0378-7753, 1873-2755
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Popis
Shrnutí:This paper will report on the electrochemical and material characterization of a potential planar anode stack for all-solid-state 3D-integrated batteries. The first element of the stack is the silicon substrate. On top of silicon, a Li diffusion barrier layer material is deposited in order to effectively shield the substrate from the battery stack. Several materials are investigated with conventional electrochemical techniques. The best candidates, sputtered and atomic layer deposited (ALD) TiN, are studied in more detail with ex situ X-ray diffraction (XRD) and the reaction mechanism of these materials with Li is discussed. The third element of the stack is the active anode material. Thin films of poly-Si are studied towards their thermodynamic and kinetic properties. Moreover, the growth of SEI layers on top of poly-Si anodes cycled in two liquid electrolytes has been investigated by means of ex situ SEM. Strikingly, when poly-Si is covered with a solid-state electrolyte, prolonged lifetime is found, enabling future 3D-integrated all-solid-state batteries.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2008.07.076