Tantalum oxide nanomesh as self-standing one nanometre thick electrolyte

Xiaoxiong Xu, Kazunori Takada, Katsutoshi Fukuda, Tsuyoshi Ohnishi, Kosho Akatsuka, Minoru Osada, Bui Thi Hang, Kazuhiro Kumagai, Takashi Sekiguchi, Takayoshi Sasaki

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Tantalum oxide (TaO 3) nanosheets coated on the surface of a LiCoO 2 cathode decrease its interfacial resistance in a solid-state battery by two orders of magnitude. Since the interfacial resistance is rate-determining in the solid-state system, the interfacial structure of the nanosheet is anticipated to pave the way for realising high-performance solid-state lithium batteries. The reduction in the interfacial resistance also strongly suggests that the TaO 3 nanosheet is a self-standing solid electrolyte layer with an ultimate thinness of 1 nm. It has a wide band gap and a mesh structure with openings that are almost the same in size as the lithium ion, which prevents electronic conduction and allows the penetration of lithium ions, respectively.

Original languageEnglish
Pages (from-to)3509-3512
Number of pages4
JournalEnergy and Environmental Science
Volume4
Issue number9
DOIs
Publication statusPublished - 2011 Sep
Externally publishedYes

Fingerprint

Tantalum oxides
tantalum
Nanosheets
lithium
electrolyte
Electrolytes
oxide
Lithium
Ions
Lithium batteries
ion
Solid electrolytes
Energy gap
Cathodes
penetration
solid state
tantalum oxide
battery

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Chemistry
  • Pollution
  • Nuclear Energy and Engineering

Cite this

Xu, X., Takada, K., Fukuda, K., Ohnishi, T., Akatsuka, K., Osada, M., ... Sasaki, T. (2011). Tantalum oxide nanomesh as self-standing one nanometre thick electrolyte. Energy and Environmental Science, 4(9), 3509-3512. https://doi.org/10.1039/c1ee01389k

Tantalum oxide nanomesh as self-standing one nanometre thick electrolyte. / Xu, Xiaoxiong; Takada, Kazunori; Fukuda, Katsutoshi; Ohnishi, Tsuyoshi; Akatsuka, Kosho; Osada, Minoru; Hang, Bui Thi; Kumagai, Kazuhiro; Sekiguchi, Takashi; Sasaki, Takayoshi.

In: Energy and Environmental Science, Vol. 4, No. 9, 09.2011, p. 3509-3512.

Research output: Contribution to journalArticle

Xu, X, Takada, K, Fukuda, K, Ohnishi, T, Akatsuka, K, Osada, M, Hang, BT, Kumagai, K, Sekiguchi, T & Sasaki, T 2011, 'Tantalum oxide nanomesh as self-standing one nanometre thick electrolyte', Energy and Environmental Science, vol. 4, no. 9, pp. 3509-3512. https://doi.org/10.1039/c1ee01389k
Xu X, Takada K, Fukuda K, Ohnishi T, Akatsuka K, Osada M et al. Tantalum oxide nanomesh as self-standing one nanometre thick electrolyte. Energy and Environmental Science. 2011 Sep;4(9):3509-3512. https://doi.org/10.1039/c1ee01389k
Xu, Xiaoxiong ; Takada, Kazunori ; Fukuda, Katsutoshi ; Ohnishi, Tsuyoshi ; Akatsuka, Kosho ; Osada, Minoru ; Hang, Bui Thi ; Kumagai, Kazuhiro ; Sekiguchi, Takashi ; Sasaki, Takayoshi. / Tantalum oxide nanomesh as self-standing one nanometre thick electrolyte. In: Energy and Environmental Science. 2011 ; Vol. 4, No. 9. pp. 3509-3512.
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