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1310 results about "Boron containing" patented technology

The most abundant minerals containing boron are kernite, borax, ulexite and colemanite. It can also be found in slate and in loam rich rock formations. Air-tight soil contains boron concentrations of between 5 and 80 ppm. Boron rich places, such as fumaroles, contain boric acid, borates and boron minerals.

Borate phosphor materials for use in lighting applications

Boron containing phosphor compositions having the formulas (1) M3Ln2(BO3)4 doped with at least one activator selected from the group of Eu2+, Mn2+, Pb2+, Ce3+, Eu3+, Tb3+, and Bi3+ where M is at least one of Mg, Ca, Sr, Ba, or Zn, and Ln is at least one of Sc, Y, La, Gd, or Lu; (2) M2−xM′x(Al, Ga)2−y(Si, Ge)yB2O7−zNz:Eu2+, Mn2+, Pb2+ where M′ is one or more of alkali metals Na and / or K, M″ is one or more of alkaline earth Mg, Ca, Sr, Ba or Zn, 0≦x≦2, 0≦y≦2, 0≦z≦4; and z=x+y; (3) M′2−x+y′M″x−y′(Al, Ga)2−y(Si, Ge)yB2O7−z−y′NzXy:Eu2+, Mn2+, Pb2+, where M′ is one or more of alkali metals Na and / or K, M″ is one or more of alkaline earth metals Mg, Ca, Sr, Ba and / or Zn, 0≦x≦2, 0≦y≦2, 0≦z≦4; z=x+y, X═F and / or Cl, and 0≦y′≦2; (4) M′2−xM″xAl2−y+y′Siy−y′B2O7−z−y′NzXy:Eu2+, Mn2+, Pb2+, where M′ and M″ are defined above, 0≦x≦2, 0≦y≦2, 0≦z≦4; z=x+y, X═F and / or Cl, and 0≦y′≦2; (5) M′2−x+x′M″x−x″Al2−y+y′Siy−y′B2O7−z−x′−y′NzX(x′+y′):Eu2+, Mn2+, Pb2+, where M′ and M″ are defined above, 0≦x≦2, 0≦y≦2, 0≦z≦4; z=x+y, X═F and / or Cl, and 0≦y′≦2; (6) MAl2B2O7:Eu2+, Mn2+, Pb2+; where M═Mg, Ca, Sr, Ba or Zn; (7) MAl2−xSixB2O7−xNx:Eu2+, Mn2+, Pb2+, where M═Mg, Ca, Sr, Ba and / or Zn, and 0≦x≦2; and (8) MAl2B2−xSixO7−xNx:Eu2+, Mn2+, Pb2+, where M═Mg, Ca, Sr, Ba and / or Zn, and 0≦x≦2. Also disclosed are light emitting devices including a light source and at least one of the above phosphor compositions.
Owner:GELCORE LLC (US)

Lithium ion battery composite cathode material and preparation method

The invention relates to a lithium ion battery composite cathode material and a preparation method. The cathode material comprises a hard carbon precursor material containing hetero atoms, and natural spherical graphite, wherein the hard carbon precursor material selects one or more than two of phenolic resin, polyfurfural, furan resin, polyvinyl alcohol, epoxide resin or polyacrylonitrile as raw materials, and accounts for 5 to 45 percent of the natural spherical graphite by mass; modifier of the hetero atoms is boron-containing modifier including boric acid and diboron trioxide, phosphor-containing modifier including phosphoric acid and phosphorus pentoxide, and nitrogen-containing modifier HNO3; and one of the modifiers accounts for 5 to 35 percent of the hard carbon precursor by mass. An analog battery formed by the cathode material which is prepared by the method has the capacity over 350 mAH / g and first coulomb efficiency up to 95.8 percent, and has good circulation performance. The preparation method has the advantages of low cost and simple process.
Owner:珠海华丽新能源科技有限公司

Boron-containing organic light emission diode device and preparation method thereof

The present invention relates to an organic light emission diode device (OLED) structure, especially to a high-efficiency organic light emission diode device of a B-containing compound. The organic light emission diode device structure comprises an anode, a cavity injection/transmission layer, a luminescent layer, an electron injection/transmission layer and a cathode, wherein the luminescent layer comprises main body materials and doped materials; the main body materials are formed by signal materials and are also formed by mixing materials with different structures; and the doped materials are organic compounds containing boron, the energy level difference of the singlet state and the triplet state is not larger than 0.2ev, and the energy level of the singlet state and the energy level of the triplet state of the of the main body materials are both higher than that of the doped materials to prevent energy from passback and avoid reduction of the device luminescence efficiency. The present invention further provides a preparation method of the organic light emission diode device. The preparation method is utilized to obtain the organic light emission diode device which is high in efficiency, long in life and high in purity.
Owner:JIANGSU SUNERA TECH CO LTD

Boron-containing organic electroluminescent compound and use thereof

The invention discloses a boron-containing organic electroluminescent compound and a use thereof. The compound has a general structural formula (1). The compound has good fluorescence quantum efficiency and electroluminescent efficiency, easily forms an amorphous film and has good thermal stability. Therefore, the compound can be used as a luminescent layer doping material or a main body material in an organic electroluminescent device.
Owner:VALIANT CO LTD
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