The invention provide a manufacturing method for producing conductive adhesive with spherical graphene, and the steps comprise as following: step 1: preparing monomer, initiator, a dispersing agent and solvent to manufacture a monomer compound, and use the monomer compound to produce polymer micro ball; step 2: heating pre-treatment or plasma etching pre-treatment to the said polymer micro ball; step 3: by chemical vapor deposition, the polymer micro ball after pre-treatment from step 2 to grow graphene outside surfaces or inside polymer micro ball, and then obtain the spherical graphene; step 4: producing epoxy gel system made by epoxy, hardener and accelerant with a certain ratio mixing homogeneously; step 5: dispersing the spherical graphene from step 3 into the epoxy gel system to produce pre-material of conductive adhesive of spherical graphene; Step 6: deforming the pre-material of conductive adhesive of spherical graphene, and then obtain conductive adhesive of spherical graphene.

The invention relates to nano-particles comprising metallic ferromagnetic nanocrystals combined with either amorphous or graphitic carbon in which or on which chemical groups are present that can dissociate in aqueous solutions.

According to the invention there is provided nano-particles comprising metal particles of at least one ferromagnetic metal, which metal particles are at least in part encapsulated by graphitic carbon.

The nano-particles of the invention are prepared by impregnating carbon containing bodies with an aqueous solution of at least one ferromagnetic metal precursor, drying the impregnated bodies, followed by heating the impregnated bodies in an inert and substantially oxygen-free atmosphere, thereby reducing the metal compounds to the corresponding metal or metal alloy.

Rare earth-containing alloy flakes and a sintered magnet made of the same are provided, which alloy flakes are useful in the production of sintered magnets of which Br and HcJ may be excellent and well-balanced according to the Dy and/or Tb content. The rare earth-containing alloy flakes are R-TM-A-M-type alloy flakes which have a particular composition, and a structure having a Nd.sub.2Fe.sub.14B main phase and a boundary phase, the Fe content in the boundary phase is not more than 10 mass %, and a ratio of the total content (b) of Dy and Tb in the boundary phase to the total content (a) of Dy and Tb in the main phase is higher than 1.0, and are useful as a sintered magnet material.

There is provided conductive paste excellent in electro-conductivity and thermal conductivity. Conductive paste comprising conductive filler being composite particles including copper powder and nanosize precipitates which are disposed on the surface of the copper powder and composed of at least one kind of transition metal belonging to the group 8 to group 10 of the periodic table or a compound of the transition metal, and a binder resin.

An atomic layer deposition device for massively coating micro-nano particles, includes a reaction chamber and a particle container, in which an inlet port is provided at a lower end of the reaction chamber, and an inlet pipe for introducing a precursor or a carrier gas is provided in the inlet port; a chamber door is provided at an upper end of the reaction chamber, so that the particle container can be freely placed in or removed out of the reaction chamber; an air inlet hole is provided at a lower end of the particle container, and the inlet pipe enters the particle container through the air inlet hole.

Embodiments described herein relate to methods for preparing catalysts and catalyst supports. In one embodiment, transition metal carbide materials, having a nanotube like morphology, are utilized as a support for a precious metal catalyst, such as platinum. Embodiments described herein also relate to proton exchange membrane fuel cells that incorporate the catalysts described herein.

A particle coating method includes placing magnetic particles in a vessel, fixing the magnetic particles by a magnetic force caused by a magnetic field generated in the vessel, and forming a coating film on surfaces of the magnetic particles by an atomic layer deposition method. Further, the method preferably includes forming a coating film on surfaces of the magnetic particles by an atomic layer deposition method in a state where the magnetic particles are fixed by the magnetic force in a first direction, thereby obtaining coated magnetic particles, and forming a coating film on surfaces of the coated magnetic particles in a state where the coated magnetic particles are fixed by the magnetic force in a second direction different from the first direction.

The invention includes apparatus and methods for instantiating and quantum printing materials, such as elemental metals, in a nanoporous carbon powder.

The present description provides structures, atomic layer deposition methods for preparing the structures, and an apparatus preparing the structures. The described structures provide unexpected advantages as compared to currently available materials.

A method of making an ionically conductive layer for an electrochemical device is disclosed. A film is coated on electrode material particles or post-calendered electrodes. This coating may be a lithium borate-carbonate film deposited by atomic layer deposition. One example method includes the steps of: (a) exposing a substrate including an electrode material to a lithium-containing precursor followed by an oxygen-containing precursor; and (b) exposing the substrate to a boron-containing precursor followed by the oxygen-containing precursor.