us9552952b2 - 12cao-7al2o3 electride hollow cathode -

Functional oxides

Introduction and scopeThe symposium will showcase the state of the art of functional oxides, their structure, physicochemical properties, and applications. The symposium will be devoted to oxide bulk crystals, films, nanocrystals, their properties, structure-property

Recent Progress, Challenges, and Prospects in Two

The successful photo-catalyst library gives significant information on feature that affects photo-catalytic performance and proposes new materials. Competency is considerably significant to form multi-functional photo-catalysts with flexible characteristics. Since recently, two-dimensional materials (2DMs) gained much attention from researchers, due to their unique thickness-dependent uses

Low Work

An ELECTRON-EMITTER material, 12CaO • 7Al2O3 (C12A7) electride, has been developed by Hosono's group at the University of Tokyo over the past decade (see [1]). Also called C12A7 electride, this crystalline inorganic electrically conducting ceramic is intriguing as a possible electron emitter because it has a very large lattice spacing, which may result in a material with a low work function.

Full article: Secondary electron emission and glow

2011/6/16Abstract 12CaO7Al 2 O 3 electride, a sub-nanoporous compound having a work function of 2.4 eV, was examined as a candidate cathode material in fluorescent lamps. The electron emission yield was higher and the discharge voltage was lower for 12CaO7Al 2 O 3 than for existing cathode

pemfc cathode porous: Topics by Science.gov

2018/6/1When evaluated as a cathode material for SIBs, the unique NVP/C porousmore hollow sphere cathode delivers an initial discharge capacity of 99.2 mA h g(-1) and retains 89.3 mA h g(-1) after 300 charge/discharge cycles with a very low degradation rate of 0

Surface of Room

2011/3/1The nanocage compound crystal [Ca24Al28O64]4+(e−)4 (C12A7:e−) is a room-temperature-stable electride. Although bulk C12A7:e− exhibits metallic conduction, the surface of an as-prepared sample or one prepared by mechanical fracture in ultrahigh vacuum is almost insulating and exhibits distinct non-ohmic contact. We studied whether the intrinsic surface of this electride exhibits metallic

pemfc cathode porous: Topics by Science.gov

2018/6/1When evaluated as a cathode material for SIBs, the unique NVP/C porousmore hollow sphere cathode delivers an initial discharge capacity of 99.2 mA h g(-1) and retains 89.3 mA h g(-1) after 300 charge/discharge cycles with a very low degradation rate of 0

[みたい] アルコールとアルキンからC−Cを

がラジカルでむとあり、にどんなものだろうとりたいので、みたいにです。−がどのようにしてされるのか、ですね。ついついのをってしまいますが、そのについてもはなされているようです。

Plasma Patents and Patent Applications (Class 313/231.31)

12CaO-7Al2O3 electride hollow cathode Patent number: 9305733 Abstract: The use of the electride form of 12CaO-7Al2O3, or C12A7, as a low work function electron emitter in a hollow cathode discharge apparatus is described. No heater is required to initiate

KCI 국내학술지 인용색인 정보 포털입니다.

Sr-doping enhanced electrical transport and thermionic emission of single crystal 12CaO7Al2O3 electride Xin Zhang 96~101 0 17 Identifying a perovskite phase in rare-earth nickelates using X-ray photoelectron spectroscopy Jin San Choi 102~105 0 18

Full article: Secondary electron emission and glow

2011/6/16Abstract 12CaO7Al 2 O 3 electride, a sub-nanoporous compound having a work function of 2.4 eV, was examined as a candidate cathode material in fluorescent lamps. The electron emission yield was higher and the discharge voltage was lower for 12CaO7Al 2 O 3 than for existing cathode materials such as Ni, Mo or W; therefore, the energy consumption of the fluorescent lamps can be improved

[みたい] アルコールとアルキンからC−Cを

がラジカルでむとあり、にどんなものだろうとりたいので、みたいにです。−がどのようにしてされるのか、ですね。ついついのをってしまいますが、そのについてもはなされているようです。

Synthesis of a Room Temperature Stable 12CaO7Al2O3

A room temperature (RT) stable electride was realized by thermally annealing an insulating 12CaO7Al2O3 (C12A7) single crystal in a calcium metal vapor. Here we report a simple and direct method for synthesizing polycrystalline C12A7 electride (C12A7:e-); the solidification of a "melt" in a reducing atmosphere and the crystallization of a "glass" with an oxygen-deficient composition

John D. Williams Inventions, Patents and Patent

12CaO-7Al2O3 electride hollow cathode Patent number: 9305733 Abstract: The use of the electride form of 12CaO-7Al2O3, or C12A7, as a low work function electron emitter in a hollow cathode discharge apparatus is described. No heater is required to initiate

WADA Motoi(Faculty of Science and Engineering

Negative-hydrogen-ion production from a nanoporous 12CaO7Al2O3 electride surface Mamiko Sasao, Roba Moussaoui, Dmitry Kogut, James Ellis, Gilles Cartry, Motoi Wada, Katsuyoshi Tsumori, Hideo Hosono Applied Physics Express, Japan Society of

NASA Technical Reports Server (NTRS)

12CaO-7Al2O3 Electride Hollow Cathode The use of the electride form of 12CaO-7Al2O3, or C12A7, as a low work function electron emitter in a hollow cathode discharge apparatus is described. No heater is required to initiate operation of the present cathode, as is necessary for traditional hollow cathode

pemfc cathode environments: Topics by Science.gov

2018/6/1The hollow cathode was found to be operable in argon and in nitrogen only at pressures below 400 and 200 torr, respectively. Virtual cathode emission of an annular cold cathode NASA Astrophysics Data System (ADS) Park, S.-d.; Kim, J.-h.; Han, J.; Yoon, M

Transparent amorphous oxide semiconductors for organic

Organic electronics have vast potential due to the huge space for molecular design and the soft nature of organics. If the intrinsic advantages of inorganic semiconductors could be complementarily combined with organic semiconductors, exciting new avenues to practical applications would be opened. A key issue is how to realize efficient electron transfer between the cathode and the active

Recent Progress, Challenges, and Prospects in Two

The successful photo-catalyst library gives significant information on feature that affects photo-catalytic performance and proposes new materials. Competency is considerably significant to form multi-functional photo-catalysts with flexible characteristics. Since recently, two-dimensional materials (2DMs) gained much attention from researchers, due to their unique thickness-dependent uses

Recent Progress, Challenges, and Prospects in Two

The successful photo-catalyst library gives significant information on feature that affects photo-catalytic performance and proposes new materials. Competency is considerably significant to form multi-functional photo-catalysts with flexible characteristics. Since recently, two-dimensional materials (2DMs) gained much attention from researchers, due to their unique thickness-dependent uses

pemfc cathode porous: Topics by Science.gov

2018/6/1When evaluated as a cathode material for SIBs, the unique NVP/C porousmore hollow sphere cathode delivers an initial discharge capacity of 99.2 mA h g(-1) and retains 89.3 mA h g(-1) after 300 charge/discharge cycles with a very low degradation rate of 0

96th Annual Meeting of The Chemical Society of Japan

Ammonia synthesis over 12CaO 7Al 2 O 3 electride catalyst and its electronic properties (MCES, Tokyo Tech) KITANO, Masaaki Chair: ICHIKUNI, Nobuyuki (11:20-12:10) * 11:10-11:20: interval for laptop PC connection.(2B2-15, 2B2-16, 2B2-18) 2B2-15

Plasma Patents and Patent Applications (Class 313/231.31)

12CaO-7Al2O3 electride hollow cathode Patent number: 9305733 Abstract: The use of the electride form of 12CaO-7Al2O3, or C12A7, as a low work function electron emitter in a hollow cathode discharge apparatus is described. No heater is required to initiate

pemfc cathode porous: Topics by Science.gov

2018/6/1When evaluated as a cathode material for SIBs, the unique NVP/C porousmore hollow sphere cathode delivers an initial discharge capacity of 99.2 mA h g(-1) and retains 89.3 mA h g(-1) after 300 charge/discharge cycles with a very low degradation rate of 0

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