A fixing device to fix a toner image on a sheet includes a first rotary member that rotates in a predetermined direction and a second rotary member that contacts an outer circumferential surface of the first rotary member. A stationary member is fixed inside the first rotary member to press the first and second rotary members together to form a nip portion between the rotary members. A reinforcement member is fixedly provided inside the first rotary member and pressed against the stationary member. The fixing device includes heat source to heat the first rotary member and a reflector to reflect heater light emitted from the heat source toward the first rotary member.

Fixing device and image forming apparatus including same

Provided is an anode active material layer for a lithium battery. This layer comprises multiple particulates of an anode active material, wherein at least a particulate is composed of one or a plurality of particles of a high-capacity anode active material being encapsulated by a thin layer of elastomeric material that has a lithium ion conductivity no less than 10 −7 S/cm (preferably no less than 10 −5 S/cm) at room temperature and an encapsulating shell thickness from 1 nm to 10 μm, and wherein the high-capacity anode active material (e.g. Si, Ge, Sn, SnO 2 , Co 3 O 4 , etc.) has a specific capacity of lithium storage greater than 372 mAh/g (the theoretical lithium storage limit of graphite).

Elastomer-Encapsulated particles of high-capacity anode active materials for lithium batteries

A composite anode active material includes: a core comprising silicon; and a carbonaceous shell, wherein the carbonaceous shell includes a carbonaceous material and lithium titanium oxide.

Composite anode active material, anode including the same, and lithium secondary battery including the anode

Composites of silicon and various porous scaffold materials, such as carbon material comprising micro-, meso- and/or macropores, and methods for manufacturing the same are provided. The compositions find utility in various applications, including electrical energy storage electrodes and devices comprising the same.

Novel materials with extremely durable intercalation of lithium and manufacturing methods thereof

Provided is an anode active material layer for a lithium battery. The anode active material layer comprises multiple anode active material particles and an optional conductive additive that are bonded together by a binder comprising a high-elasticity polymer having a recoverable or elastic tensile strain no less than 10% when measured without an additive or reinforcement in the polymer and a lithium ion conductivity no less than 10−5 S/cm at room temperature. The anode active material preferably has a specific lithium storage capacity greater than 372 mAh/g (e.g. Si, Ge, Sn, SnO2, Co3O4, etc.).

Polymer binder for lithium battery and method of manufacturing

A negative electrode slurry composition includes a negative active material, a binder, and a dispersant. The dispersant includes a polyacrylic acid (PAA) having a weight average molecular weight (Mw) greater than 10 and less than 10,000. A negative electrode and a lithium battery include the negative electrode slurry composition.

Negative electrode slurry composition, and negative electrode and lithium battery including the negative electrode slurry composition

A housing for a solid oxide fuel cell, the housing including a plurality of side walls defining a cavity; a first opening in one of the plurality of side walls, the first opening being configured to allow fluid to enter into the cavity; a second opening in one of the plurality of side walls, the second opening being configured to allow the fluid to exit from the cavity; and a flow path extending unit between the first opening and the second opening to increase a length of a flow path between the first opening and the second opening.

Solid oxide fuel cell housing

A bundle-type interconnector is used in a fuel cell. In one embodiment, a bundle-type interconnector includes an interconnector and a plurality of projections. A plurality of accommodating grooves are formed in the interconnector, and the interconnector has conductive connection members that electrically connect the interiors of the accommodating grooves. Each of the projections is inserted into the accommodating groove, and a conductive material is coated on an outer surface of each of the projections. Accordingly, a cell bundle can be configured regardless of opened and closed interconnectors and the connection structure thereof, and maintenance and repair can be easily performed during the operation of the fuel cell.

Bundle-type interconnector and fuel cell having the same

A negative active material for a lithium secondary battery and a lithium secondary battery including the same are provided. The negative active material may be a silicon (Si)-based alloy negative active material. In some embodiments, the Si-based alloy negative active material may include Si, iron (Fe), copper (Cu), and aluminum (Al), and may have a Si single phase and a first alloy phase, the first alloy phase being represented by a formula of AlxCuy, where x<y. In some embodiments, the Si-based alloy negative active material may include Si, Fe, and Cu, and may include a Si single phase, a first alloy phase, and a second alloy phase, the first alloy phase being represented by a formula of Cu15Si4, and the second alloy phase being represented by a formula of Cu3Fe17.

Negative active material for lithium secondary battery and lithium secondary battery including the same

An interconnecting-type solid oxide fuel cell is disclosed. The fuel cell includes a unit cell, a first current collecting member, a first insulating member, and a second current collecting member. The unit cell has a first electrode layer, an electrolyte layer, and a second electrode layer sequentially formed from an inside thereof, and has an interconnector configured for electrical connection to the first electrode layer and exposed to an outside thereof in a state in which the interconnector is insulated from the second electrode layer. The first current collecting member is formed on an outside of the interconnector and configured to collect current. The first insulating member is formed on an outside of the first current collecting member. The second current collecting member is wound around an outer circumferential surface of the second electrode layer and an outside of the first insulating member.

Interconnect-type solid oxide fuel cell and fuel cell stack having the same

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