Briefly, a sensor for a continuous biological monitor is provided that has a working electrode with an enhanced carbon-enzyme layer that in one embodiment is made by mixing an aqueous polyurethane emulsion with an acrylic polyol emulsion to make a base emulsion. An enzyme and carbon materials are added to the base emulsion, which is applied to the working electrode and cured. The carbon materials may include carbon and graphite to provide strength, as well as graphene or pyrolytic graphite to provide a desirable electrical resistance for the carbon-enzyme layer. Optionally, other additives can be added to the base emulsion prior to application, such as hydophiles, cross linkers, adding imodeoesters, hydroxysuccimide, carboldilite, melamines, epoxies, benzoyl peroxide or dicumyl peroxide.

A hot-rolled or cold-rolled steel plate having a composition including, in weight percent: 0.6%≤C≤0.9%; 17%≤Mn≤22%; 0.2%≤Al≤0.9%; 0.2%≤Si≤1.1%; with 0.85%≤Al+Si≤1.6%; 1.2%≤Cu≤1.7%; S≤0.030%; P≤0.080%; N≤0.1%; 0<Nb≤0.25%; 0<V≤0.5%; 0<Ti≤0.5%; 0<Ni≤2%; trace amounts ≤Cr≤2% and B≤0.010% is provided. A remainder of the composition includes iron and impurities resulting from production of the steel plate. A method for manufacturing a steel plate and use of the steel plate in the automotive industry is also provided.

A method for producing a cold rolled steel sheet having a tensile strength≥1470 MPa and a total elongation TE≥19%, the method comprising the steps of annealing at an annealing temperature AT≥Ac3 a non-treated steel sheet whose chemical composition contains in weight %: 0.34%≤C≤0.40%, 1.50%≤Mn≤2.30%, 1.50≤Si≤2.40%, 0%<Cr≤0.5%, 0%<Mo≤0.3%, 0.01%≤Al≤0.07%, the remainder being Fe and unavoidable impurities, quenching the annealed steel sheet by cooling it to a quenching temperature QT<Ms transformation point and between 150° C. and 250° C., and making a partitioning treatment by reheating the quenched steel sheet to a partitioning temperature PT between 350° C. and 420° C. and maintaining the steel sheet at this temperature during a partitioning time Pt between 15 seconds and 120 seconds.

A method for producing a cold rolled steel sheet having a tensile strength ≥1470 MPa and a total elongation TE≥19%, the method comprising the steps of annealing at an annealing temperature AT≥Ac3 a non-treated steel sheet whose chemical composition contains in weight %: 0.34%≤C≤0.40%, 1.50%≤Mn≤2.30%, 1.50≤Si≤2.40%, 0<Cr≤0.5%, 0<Mo≤0.3%, 0.01%≤Al≤0.07%, the remainder being Fe and unavoidable impurities, quenching the annealed steel sheet by cooling it to a quenching temperature QT<Ms transformation point and between 150° C. and 250° C., and making a partitioning treatment by reheating the quenched steel sheet to a partitioning temperature PT between 350° C. and 420° C. and maintaining the steel sheet at this temperature during a partitioning time Pt between 15 seconds and 120 seconds.

A method of producing a graphene film (22) includes forming a catalyst film (20) on a support (18); forming a graphene film (22) on the catalyst film (20); and electrolytically removing the catalyst film (20) from the support (18). The method may include transferring the graphene film (22) to a substrate (29). A supported graphene film includes a conductive support (18); a catalyst film (20) formed on the conductive support (18) having a thickness in a range of 1 nm to 10 μm, and a graphene film (22) formed on the catalyst film (20).

The present invention relates to an electrolytic copper foil for a secondary battery and a method of producing the same. The electrolytic copper foil for a secondary battery, in which a burr and curl of a negative electrode plate are inhibited from being formed after an electrolytic copper foil is coated with a negative electrode active material, thereby increasing the loading volume of a negative electrode and increasing a capacity. The electrolytic copper foil for a secondary battery is produced from a plating solution containing Total Organic Carbon (TOC) by using a drum, in which the electrolytic copper foil is formed of one surface that is in direct contact with the drum and the other surface that is an opposite surface of the one surface, and an average cross-sectional grain size of the one surface is 80% or less of an average cross-sectional grain size of the other surface.

Described is a cathodic treatment for the electrodeposition of a metal layer securely adherent to the surface of stainless steel objects in an electrolytic bath comprising one or more metals belonging exclusively to the groups from 3 to 12 of the periodic table, excluding the elements nickel, cobalt, cadmium, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold and rhenium, and methanesulfonic acid with a concentration of between 100 and 400 g/l.

An object of the invention is also a process for applying a metal layer securely adherent to the surface of stainless steel objects, comprising a cathodic treatment as described above.

Moreover, the invention further relates to an object comprising stainless steel equipped with a covering obtained by means of a process of the type described.

A working electrode for a subcutaneous sensor for use with a continuous biological monitor for a patient is disclosed. The working electrode includes a conductive substrate and an enzyme layer on the conductive substrate. The enzyme layer includes an enzyme, and the enzyme selected according to a biological function to be monitored. A hydrophobic material cross-linked with an acrylic polyol is included. The enzyme is fully entrapped in the cross-linked hydrophobic material with the acrylic polyol.

A method IS for producing a cold rolled steel sheet having a tensile strength ≥1470 MPa and a total elongation TE≥19%. The method includes the steps of annealing at an annealing temperature AT≥Ac3 a non-treated steel sheet whose chemical composition contains in weight %: 0.34%≤C≤0.40%, 1.50%≤Mn≤2.30%, 1.50≤Si≤2.40%, 0%<Cr≤0.7%, 0%≤Mo≤0.3%, 0.01%≤Al≤0.07%, the remainder being Fe and unavoidable impurities, quenching the annealed steel sheet by cooling it to a quenching temperature QT<Ms transformation point and between 150° C. and 250° C., and making a partitioning treatment by reheating the quenched steel sheet to a partitioning temperature PT between 350° C. and 420° C. and maintaining the steel sheet at this temperature during a partitioning time Pt between 15 seconds and 250 seconds.

The present invention relates to an electrolytic copper foil for a secondary battery, having excellent physical properties at a low temperature, and a method for producing the electrolytic copper foil. The electrolytic copper foil for a secondary battery shows little change in the physical properties, such as tensile strength and elongation, of a copper foil even at a low temperature and thereby exhibits excellent cycle properties at the low temperature. The electrolytic copper foil for a secondary battery is produced from a plating solution, containing total organic carbon (TOC), cobalt, iron and zinc, by using a drum and coated with a cathode active material, wherein the ratio between the TOC, cobalt, iron and zinc contained in the electrolytic copper foil follows the following formula 1:

TOC/(cobalt+iron+zinc)=1.0-1.2.  [Formula 1]