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Title:
LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/105439
Kind Code:
A1
Abstract:
A lithium secondary battery which both transmits visible light and is flexible is provided. This lithium secondary battery is provided with a positive electrode film 1 which is formed on a flexible transparent film substrate 4 and which is capable of insertion and desorption of lithium ions, a transparent electrolyte 2 which has lithium ion conductivity, and a negative electrode film 3 which is formed on a flexible transparent film substrate 5 and which is capable of insertion and desorption of lithium ions or a metal that can form an alloy with lithium. In the case that a lithium source is contained in the positive electrode film 1, any of tin oxide, silicon oxide, titanium oxide, tungsten oxide, niobium oxide, molybdenum oxide, metal phosphide, metal sulfide, metal nitride, metal fluoride and metal titanium composite oxide is used as the negative electrode material, and the negative electrode film 3 is set to a film thickness of 50-300nm.

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JP2008150290TITANIUM-BASED COMPOUND OXIDE POWDER
Inventors:
MINOWA HIRONOBU (JP)
ONO YOKO (JP)
SAKAMOTO SHUHEI (JP)
KOMATSU TAKESHI (JP)
Application Number:
PCT/JP2019/043533
Publication Date:
May 28, 2020
Filing Date:
November 06, 2019
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
C01G23/00; C01G51/00; H01M4/13; H01M4/131; H01M4/139; H01M4/1391; H01M4/48; H01M4/485; H01M4/505; H01M4/525; H01M4/58; H01M4/60; H01M4/66; H01M10/052; H01M10/056; H01M10/0565; H01M10/058; H01M10/36; H01M10/38
Domestic Patent References:
WO2017056326A12017-04-06
Foreign References:
KR20140006573A2014-01-16
US20150277498A12015-10-01
JPH04337247A1992-11-25
JP2006216336A2006-08-17
Other References:
MUROTANI, HIROSHI: "Influence of the Surface-roughness of the Substrate on the Light Scattering of Optical Thin Films", JOURNAL OF THE JAPAN SOCIETY FOR PRECISION ENGINEERING, vol. 80, no. 6, 5 June 2014 (2014-06-05), pages 519 - 523
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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