Abstract: A solid electrolyte material includes: Li2+yGe1?xMxO3. x satisfies an equation of 0?x<0.5. y satisfies an equation of ?0.5<y<0.5. M represents at least one element selected from Mg, Al, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Ga, Zr, Sn, Nb, Sb, Cu, Sc, Ta, and Hf. Ge has a six-coordinate structure, or the solid electrolyte material has a crystal structure attributed to monoclinic, C12/c1.
Type:
Grant
Filed:
March 28, 2016
Date of Patent:
November 13, 2018
Assignees:
DENSO CORPORATION, The Gakushuin School Corporation
Abstract: A lithium-lanthanum-titanium oxide sintered material has a lithium ion conductivity 3.0×10?4 Scm?1 or more at a measuring temperature of 27° C., the material is described by one of general formulas (1?a)LaxLi2-3xTiO3-aSrTiO3, (1?a)LaxLi2-3xTiO3-aLa0.5K0.5TiO3, LaxLi2-3xTi1-aMaO3-a, Srx-1.5aLaaLi1.5-2xTi0.5Ta0.5O3 (0.55?x?0.59, 0?a?0.2, M=at least one of Fe or Ga), amount of Al contained is 0.35 mass % or less as Al2O3, amount of Si contained is 0.1 mass % or less as SiO2, and average particle diameter is 18 ?m or more.
Type:
Grant
Filed:
April 22, 2013
Date of Patent:
July 18, 2017
Assignees:
TOHO TITANIUM CO., LTD., NAKASHIMA SANGYO CO., LTD., THE GAKUSHUIN SCHOOL CORPORATION
Abstract: A lithium-lanthanum-titanium oxide sintered material has a lithium ion conductivity 3.0×10?4 Scm?1 or more at a measuring temperature of 27° C., the material is described by one of general formulas (1-a)LaxLi2-3xTiO3-aSrTiO3, (1-a)LaxLi2-3xTiO3-aLa0.5K0.5TiO3, LaxLi2-3xTi1-aMaO3-a, and Srx-1.5aLaaLi1.5-2xTi0.5Ta0.5O3 (0.55?x?0.59, 0?a?0.2, M=at least one of Al, Fe and Ga), and concentration of S is 1500 ppm or less. The material is obtained by sintering raw material powder mixture having S content amount of 2000 ppm or less in the entirety of raw material powders for mixture, that is, titanium raw material, lithium raw material, and lanthanum raw material.
Type:
Grant
Filed:
July 12, 2013
Date of Patent:
July 4, 2017
Assignees:
TOHO TITANIUM CO., LTD., NAKASHIMA SANGYO CO., LTD., THE GAKUSHUIN SCHOOL CORPORATION
Abstract: A lithium-lanthanum-titanium oxide sintered material has a lithium ion conductivity 3.0×10?4 Scm?1 or more at a measuring temperature of 27° C., the material is described by one of general formulas (1?a)LaxLi2-3xTiO3-aSrTiO3, (1?a)LaxLi2-3xTiO3-aLa0.5K0.5TiO3, LaxLi2-3xTi1-aMaO3-a, Srx-1.5aLaaLi1.5-2xTi0.5Ta0.5O3 (0.55?x?0.59, 0?a?0.2, M=at least one of Fe or Ga), amount of Al contained is 0.35 mass % or less as Al2O3, amount of Si contained is 0.1 mass % or less as SiO2, and average particle diameter is 18 ?m or more.
Type:
Application
Filed:
April 22, 2013
Publication date:
April 9, 2015
Applicants:
Toho Titanium Co., Ltd., NAKASHIMA SANGYO CO., LTD., THE GAKUSHUIN SCHOOL CORPORATION
Abstract: A quantum entanglement generating system includes: a laser light source for producing a light beam of light frequency 2f0; a ring interferometer comprising a beam splitter into which the light beam of light frequency 2f0 is incident and a plurality of mirrors, the beam splitter and the mirrors forming an optical path in the form of a ring; a parametric amplifier inserted in the optical path of the ring interferometer for producing a beam of light of light frequency f0 upon receiving the light beam of light frequency 2f0 incident into the optical parametric amplifier; and a dispersive medium inserted in the optical path of the ring interferometer for varying relative optical path length for the light beam of light frequency 2f0 and the light beam of light frequency f0.
Type:
Grant
Filed:
August 11, 2008
Date of Patent:
July 24, 2012
Assignees:
Japan Science and Technology Agency, The Gakushuin School Corporation