Abstract: A carbon fiber paper manufacturing process and construction has oxidized fiber as raw material needle punched into a construction of 0.1˜20 mm thick, 5˜500 g/m2 oxidized fiber felt of weight, then impregnated in high density epoxy, hot compressed and hardened, then finally carbonization processed at temperature range of 700˜3000° C. to yield porous carbon fiber paper with high resilience, low porosity, and flexure, and low surface resistance to be used as the substrate of porous carbon electrode in fuel battery.

Abstract: A method for manufacturing an activated carbon fiber product comprising the steps of (a) providing an oxidized fiber product, and (b) activating the oxidized fiber product in the presence of a chemical reagent selected from a group consisting of an acid, an ammonium salt, a metallic compound, and a combination thereof. The method provides an activated carbon fiber product with a high specific surface at a relatively low temperature. The method especially provides an activated carbon fabric suitable for use as an electrode of an electric double layer capacitor.

Abstract: A carbonaceous composite particle comprises a graphite particle and a layer of amorphous carbon structure covering the graphite particle, wherein the graphite particle is a graphitized mesocarbon microbead, a natural graphite particle, or a synthesized graphite particle. The composite particle is useful in a secondary cell, and is useful in providing a lithium-ion secondary cell having both a high charge capacity and a low irreversible capacity.

Abstract: The present invention relates to a porous carbon electrode substrate with a woven structure and having a property combination of a thickness ranging from 0.1 to 1.0 mm, a bending strength of 0.7 MPa or more, a porosity of 50% or more, and a surface resistivity of 1.0 ?/sq or less. The present invention also relates to a method of preparing a porous carbon electrode substrate comprising the following steps: (a) providing an oxidized fabric or pre-carbonized oxidized fabric, (b) impregnating the fabric with a resin to provide a resin material-carried fabric, (c) heating and pressing the resin material-carried fabric, and (d) carbonizing the heated and pressed fabric.

Abstract: An electrochemical testing device for a specimen includes a receiving member, an auxiliary electrode, a work module, a clamping module, and a reference electrode. The receiving member receives an electrolytic solution and includes a surrounding wall having a bottom open end. The auxiliary electrode is mounted in the receiving member. The work module holds the specimen and includes at least one upper plate covering the open end to close the receiving member and having an opening connected fluidly to an interior of the receiving member, a lower plate, a work electrode plate interposed between and contacting the upper and lower plates, and a test specimen holding site provided at the work electrode plate and connected fluidly to the opening. The clamping module clamps the work module against the surrounding wall. The reference electrode is disposed in the receiving member above the work electrode plate.

Abstract: The present invention relates to a wound dressing comprising a flexible base layer and an antimicrobial material, wherein the antimicrobial material comprises an actived carbon-carried noble metal, the actived carbon is selected from the group consisting of an actived carbon powder, an actived carbon particle, an actived carbon fiber, and a combination thereof, and the noble metal is selected from the group consisting of silver, gold, palladium, platinum, copper, zinc, and a combination thereof. The invention also relates to an antimicrobial composition for topical use on skin, in which the composition comprises the aforementioned actived carbon-carried noble metal.

Abstract: A wound dressing and an antimicrobial composition are provided. The wound dressing comprises a carbonaceous material, a noble metal carried on the carbonaceous material, and, optionally, a flexible base layer, wherein the carbonaceous material is selected from a group consisting of activated carbon, graphite, carbon, and a combination thereof, while the noble metal is selected from a group consisting of Ag, Au, Pd, Pt, Cu, Zn, and a mixture thereof. The antimicrobial composition is for topical use on skins and comprises the aforementioned carbonaceous material as well as the noble metal carried on the carbonaceous material.

Abstract: A carbon fiber paper manufacturing process and construction has oxidized fiber as raw material needle punched into a construction of 0.1˜20 mm thick, 5˜500 g/m2 oxidized fiber felt of weight, then impregnated in high density epoxy, hot compressed and hardened, then finally carbonization processed at temperature range of 700˜3000° C. to yield porous carbon fiber paper with high resilience, low porosity, and flexure, and low surface resistance to be used as the substrate of porous carbon electrode in fuel battery.

Abstract: A carbon fabric of high conductivity and high density is formed of oxidized fibers of polypropylene. The oxidized fibers have a carbon content at least 50 wt %, an oxygen content at least 4 wt %, and a limiting oxygen index at least 35%. The carbon fabric is made by preparing a raw fabric obtained from oxidized fibers of polypropylene by weaving and then carbonizing the raw fabric.

Abstract: A method of fabricating a product of activated carbon fiber supporting silver has the steps of: a) Impregnate activated carbon fibers in a silver acetate solution under a vacuum condition for a predetermined time to deposit silver on surfaces of the activated carbon fibers via a chemical reaction. And then, dry the activated carbon fibers to remove water therein. b) Heat the activated carbon fibers in a stove filled with protective gas to break the silver on the activated carbon fibers into very fine grains, and c) wash the activated carbon fibers to remove redundant sliver from the surfaces of the activated carbon fibers.

Abstract: PAN-based oxidized fabrics are activated by heating at a temperature of 700-1000.degree. C. for 1 minute to 1 hour with the introduction of moisturized carbon dioxide gas. The resulting PAN-based activated fabrics are suitable for use as adsorption materials.

Abstract: An assembly includes an exhaust pipe unit and a muffling device. The exhaust pipe unit has at least one gas expanding section. The muffling device includes a muffler unit installed on the gas expanding section of the exhaust pipe unit. The muffler unit has an outer housing surrounding the gas expanding section of the exhaust pipe unit so as to define a gas expanding space in the outer housing, in such a manner that the gas expanding space is communicated with an interior of the exhaust pipe unit. The muffler unit includes a filtering material received within the gas expanding space of the muffler unit so as to filter exhaust gas which flows through the gas expanding space.

Abstract: A fire-fighting appliance is constructed of a sheetlike material modularly designed to include an outer fire-retardant, heat-reflecting, and waterproof component, and an inner fire-retardant, insulating component. The outer component is formed of either covered on the outside with a layer or heat reflecting flexible metal or flexible metal alloy attached thereto, or a composite layer including either (1) a layer of woven oxidized fiber and a heat-reflecting, waterproof layer of flexible metal or flexible metal alloy affixed to the outer surface thereof, or (2) a layer of woven oxidized fiber and a layer of waterproof plastic affixed to or adjoining the inner surface thereof, or (3) a layer of woven oxidized fiber and a heat-reflecting, waterproof layer of flexible metal or metal alloy affixed to the outer surface thereof and a layer of waterproof plastic affixed to or adjoining the inner surface thereof.