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Fuel cell system and control method of fuel cell system
Provided is a fuel cell system capable of achieving both of improving purge efficiency and preventing deterioration of the fuel cell, and a control method of...
Method of shut-down and starting of a fuel cell
A method of operating a PEM fuel cell including an anode feed circuit and a cathode feed circuit for feeding of an anode side with a reactant gas and for...
Fuel cell and membrane therefore
A fuel cell includes first and second flow field plates, and an anode electrode and a cathode electrode between the flow field plates. A polymer electrolyte...
Hollow fiber membrane module
A hollow fiber membrane module is disclosed. In particular, technology for achieving a reduction in pressure deviation of channels generated when an external...
High temperature fuel cell system with integrated heat exchanger network
A fuel cell system includes a plurality of fuel cells arranged into a stack. A combustor receives a cathode exhaust flow from the fuel cell cathodes and a flow...
Bipolar plates for use in conduction-cooled electrochemical cells
The present disclosure is directed towards the design of bipolar plates for use in conduction-cooled electrochemical cells. Heat generated during the operation...
Non-destructive method for testing the seal of an electrolyte of an
A method for testing a seal of a part that includes an electrolyte of an electrochemical cell, the method including: forming a closed cavity delimited by a...
Process of preparing carbon-supported metal catalyst by physical
The present disclosure relates to a method and an apparatus for preparing nanosized metal or alloy nanoparticles by depositing metal or alloy nanoparticles with...
Non-aqueous electrolyte secondary battery and method for producing the
Disclosed is a non-aqueous electrolyte secondary battery including a positive electrode including a lithium-containing transition metal composite oxide as a...
Binder for rechargeable lithium battery, electrode for rechargeable
lithium battery, method of preparing...
A binder for a rechargeable lithium battery includes a copolymer having a weight average molecular weight of about 10,000 to about 500,000 and including a...
Binder for secondary battery exhibiting excellent adhesion force
Provided is a binder for secondary battery electrodes comprising a polymer obtained by polymerizing three or more kinds of monomers with a reactive emulsifying...
Lithium secondary battery and method for manufacturing the same
Provided is a lithium secondary battery in which negative-electrode active material particles containing silicon and/or a silicon alloy are used and which...
Binder composition for rechargeable lithium battery, and electrode and
rechargeable lithium battery including...
Disclosed are a binder composition for a rechargeable lithium battery including a cross-linked compound of polyacrylic acid substituted with an alkali cation...
Electrode, nonaqueous electrolyte battery, and battery pack
According to one embodiment, there is provided an electrode. The electrode includes a current collector and an active material layer provided on the current...
Graphene powder, production method thereof, and electrochemical device
Provided are a graphene powder, a production method thereof, and an electrochemical device comprising the same. The graphene powder has an elemental ratio of...
Lithium manganese phosphate/carbon nanocomposites as cathode active
materials for secondary lithium batteries
The invention relates to a lithium manganese phosphate/carbon nanocomposite as cathode material for rechargeable electrochemical cells with the general formula...
Positive electrode active material, method for producing the same, and
The invention provides a high-capacity positive electrode active material capable of sufficiently exploiting the excellent characteristics of magnesium metal or...
Magnesium battery having a cathode containing manganese dioxide
nanoparticles as active material
A MnO.sub.2 electrode active material of high capacity is provided. The high capacity MnO.sub.2 has a surface area which is greater than 60 m.sup.2/g and the...
Electrode material for lithium secondary battery and lithium secondary
The present invention provides a negative-electrode material for a lithium secondary battery which has a very low resistance, allows the lithium secondary...
Particulate anode materials and methods for their preparation
Method for preparing a particulate material including particles of an element of group IVa, an oxide thereof or an alloy thereof, the method including: (a) dry...
Functionalized carbon nanotube composite
Provided is a composite including lead oxide particles (PbO.sub.2) and functionalized carbon nanotubes (CNTs).
Negative-electrode active material for rechargeable lithium battery
The present invention relates to a method for preparing a negative-electrode active material for rechargeable lithium battery, wherein the negative-electrode...
Potato-shaped graphite particles with low impurity rate at the surface,
method for preparing the same
Modified graphite particles obtained from graphite or based on graphite, the said particles having impurities in their internal structure and having on the...
Energy storage devices
A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking...
Battery, battery pack, electronic apparatus, electric vehicle, electrical
storage apparatus and electricity system
There is provided a battery including a positive electrode, a negative electrode, a separator at least including a porous film, and an electrolyte. The positive...
Material for lithium secondary battery of high performance
Provided is a lithium mixed transition metal oxide having a composition represented by Formula I of Li.sub.xM.sub.yO.sub.2 (M, x and y are as defined in the...
Electrode and electrochemical device
An electrode is provided as one capable of achieving further improvement in safety of an electrochemical device when exposed to a high-temperature environment,...
Lithium starter battery and solid state switch therefor
Apparatus for increasing the efficiency of a starter battery for a starter motor of an internal combustion engine in a battery pack arrangement with one or more...
Battery module equipped with sensing modules having improved coupling
A battery module according to an exemplary embodiment of the present disclosure includes a plurality of cell cartridges including at least one battery cell...
A rechargeable battery includes a case, a cap plate coupled with the case, a terminal passing though a terminal hole in the cap plate, the terminal hole, and a...
A secondary battery includes an electrode assembly having an electrode uncoated portion, a current collector having a pair of collecting parts coupled to the...
Battery system and method of producing an electrically conductive
connection between a cell connector and an...
A battery system and a method for producing an electrically conductive connection in a battery system. The battery system includes a plurality of cells arranged...
Battery connecting assembly
Each of connection units integrally includes a cover via a hinge, and the cover covers an accommodation portion in which a connecting member is arranged. The...
Separator including coating layer of inorganic and organic mixture, and
battery including the same
A porous separator including a porous base film; and a coating layer, the coating layer being on a surface of the porous base film and including a ...
Separator for electric device and electric device using the same
A separator for an electric device includes a porous substrate layer and first and second ceramic layers formed on the respective surfaces of the porous...
Porous composite structures for lithium-ion battery separators
Micro-fibrillated cellulose nanofibers (or other suitable fibrillated organic polymer nanofibers) are dispersed with ceramic particles (such as alumina or...
Safety device for a lithium electrochemical generator battery
A safety device (1) for a lithium electrochemical generator battery, including a box (100), configured to house a plurality of lithium electrochemical...
Motor vehicle battery
A motor vehicle battery has at least one battery module (10) with a plurality of battery cells (11) bounded by battery module walls (12) of the battery module...
A battery pack includes a battery module including a plurality of battery cells that are electrically connected, a first case accommodating the battery module,...
Battery pack for electric power tool
A front pressing rib is formed integrally with the cell holder. The front pressing rib bridges a dimensional difference between the inside of the case to be...
An electronic device includes a body that houses an electronic component in a casing and at least one belt connected to the body. The belt includes a battery...
Battery cell assembly
A battery cell assembly having first and second rectangular-shaped end plates, a battery cell, and a metal spring clip are provided. The first ...
Device for monitoring performance characteristics associated with user
activities involving swinging instruments
Exemplary embodiments are directed to devices for attachment to a swinging instrument that generally include a cover, a base, a chassis, and positive and...
Pouch type battery
A pouch type battery that can protect a metal layer exposed to ends of a pouch using a photocurable adhesive and can fix adhesion parts to the pouch, thereby...
Local seal for encapsulation of electro-optical element on a flexible
An electro-optical panel product comprises a collection of distinct light-emitting elements formed on a substrate. The product may be a display or lighting...
Organic light emitting diode device and method for manufacturing the same,
display device and electronic product
The OLED device according to this disclosure at least includes a first electrode, a second electrode and an organic functional layer disposed between the first...
Display device using photonic crystal
A display device including a light emitting transistor, and a photonic crystal on the light emitting transistor.
Organic light emitting diode display device and method of fabricating the
An organic light emitting diode display device which may improve luminous emitting efficiency by forming a scattering layer with a material including fluorine...
Organic light-emitting display apparatus
An organic light-emitting display apparatus, includes a substrate including display area and a non-display area; a display device in the display area on the...
Encapsulation structure for an optoelectronic component and method for
encapsulating an optoelectronic component
An encapsulation structure for an optoelectronic component may include: a barrier thin-film layer for protecting an optoelectronic component against chemical...