The present invention refers to a dry composition for chemical and physical sun protection, the composition comprising a) at least one calcium carbonate, and b) from 0.1 wt.-% to 100 wt.-%, based on the dry weight of the at least one calcium carbonate of step a) of at least one lignin. Furthermore, the present invention refers to a fluid composition comprising the inventive dry composition as well as to an emulsion comprising the inventive dry composition. The present invention also refers to the use of the inventive compositions for sun protection of plants and parts thereof as well as the use of the inventive emulsion for chemical and physical sun protection in a cosmetic formulation.

An object of the present invention is to provide carbon-coated Si—C composite particles capable of maintaining a high Si utilization rate and suppressing deterioration of initial coulombic efficiency due to oxidation over time of a lithium-ion secondary battery.

The carbon-coated Si—C composite particles of the present invention includes Si—C composite particles containing a carbon material and silicon; and a carbonaceous layer present on surfaces of the Si—C composite particles, wherein the carbon coverage thereof is 70% or more, wherein the BET specific surface area is 200 m.sup.2/g or less; wherein R value (I.sub.D/I.sub.G) is 0.30 or more and 1.10 or less and I.sub.Si/I.sub.G is 0.15 or less, when the peak attributed to Si is present at 450 to 495 cm.sup.−1 and the intensity of the peak is defined as I.sub.Si, in Raman spectrum of the carbon-coated Si—C composite particles: and wherein the full width at half maximum of the peak of a 111 plane of Si is 3.00 deg. or more, and (peak intensity of a 111 plane of SiC)/(peak intensity of the 111 plane of Si) is 0.01 or less, in the XRD pattern measured by powder XRD using a Cu-Kα ray of the carbon-coated Si—C composite particles.

Process for making an electrode active material wherein said process comprises the following steps: (a) Providing a hydroxide TM(OH).sub.2 or at least one oxide TMO or oxyhydroxide of TM or combination of at least two of the foregoing wherein TM contains at least 99 mol-% Ni and, optionally, in total up to 1 mol-% of at least one metal selected from Ti, Zr, V, Co, Zn, Ba, or Mg, (b) mixing said hydroxide TM(OH).sub.2 or oxide TMO or oxyhydroxide of TM or combination with a source of lithium and an aqueous solution of a compound of Me wherein Me is selected from Al or Ga or a combination of the foregoing and wherein the molar amount of TM corresponds to the sum of Li and Me, (c) removing the water by evaporation, (d) treating the solid residue obtained from step (c) thermally at a temperature in the range of from 500 to 800° C. in the presence of oxygen.

A boron-sulfur-codoped porous carbon material and a preparation method is disclosed. The boron-sulfur-codoped porous carbon material includes a porous carbon, and B and S doped in the surface and pores of the porous carbon; where B has a doping content of 5.56 wt.% to 7.85 wt.%, and S has a doping content of 0.90 wt.% to 1.55 wt.%. Test results of examples show that the boron-sulfur-codoped porous carbon material has high doping contents of B and S, and abundant pores; in a three-electrode system, the material shows a maximum specific capacitance of 168 F.Math.g.sup.- .sup.1 to 290.7 F.Math.g.sup.-1 at 0.5 A.Math.g.sup.-1; after the material is assembled into a symmetrical supercapacitor, the supercapacitor has an ultra-high energy density of 11.3 Wh.Math.kg.sup.-1 to 16.65 Wh.Math.kg.sup.-1 in a neutral electrolyte system, and has a capacitance retention rate of 97.09% to 100.67% after 10,000 life tests.

A tableted catalyst support, characterized by an alpha-alumina content of at least 85 wt.-%, a pore volume of at least 0.40 mL/g, as determined by mercury porosimetry, and a BET surface area of 0.5 to 5.0 m.sup.2/g. The tableted catalyst support is an alpha-alumina catalyst support obtained with high geometrical precision and displaying a high overall pore volume, thus allowing for impregnation with a high amount of silver, while exhibiting a surface area sufficiently large so as to provide optimal dispersion of catalytically active species, in particular metal species. The invention further provides a process for producing a tableted alpha-alumina catalyst support, which comprises i) forming a free-flowing feed mixture comprising, based on inorganic solids content, at least 50 wt.-% of a transition alumina; ii) tableting the free-flowing feed mixture to obtain a compacted body; and iii) heat treating the compacted body at a temperature of at least 1100° C., preferably at least 1300° C., more preferably at least 1400° C., in particular at least 1450° C., to obtain the tableted alpha-alumina catalyst support. The invention moreover relates to a compacted body obtained by tableting a free-flowing feed mixture which comprises, based on inorganic solids content, at least 50 wt.-% of a transition alumina having a loose bulk density of at most 600 g/L, a pore volume of at least 0.6 mL/g, as determined, and a median pore diameter of at least 15 nm. The invention moreover relates to a shaped catalyst body for producing ethylene oxide by gas-phase oxidation of ethylene, comprising at least 15 wt.-% of silver, relative to the total weight of the catalyst, deposited on the tableted alpha-alumina catalyst support. The invention moreover relates to a process for producing ethylene oxide by gas-phase oxidation of ethylene, comprising reacting ethylene and oxygen in the presence of the shaped catalyst body.

Several variations of synthetic carbon materials are disclosed. The materials can assume a variety of properties, including high electrical conductivity. The materials also can have favorable structural and mechanical properties. They can form gas impenetrable barriers, form insulating structures, and can have unique optical properties.

The present invention relates to an anode active material, a method of manufacturing the anode active material, and an anode and a secondary battery including the anode active material, the anode active material including secondary carbon particles formed by flocculation of a plurality of primary carbon particles having an average particle diameter (D.sub.50) in a range from 5 to 200 nm, wherein the secondary carbon particles have an average particle diameter (D.sub.50) in a range from 0.5 to 20 μm.

A nickel-based active material for a lithium secondary battery, a method of preparing the nickel-based active material, and a lithium secondary battery including a positive electrode including the nickel-based active material, the nickel-based active material comprising a secondary particle having an outer portion with a radially arranged structure and an inner portion with an irregular porous structure, wherein the inner portion of the secondary particle has a larger pore size than the outer portion of the secondary particle.

An object of the present invention is to provide magnesium oxide for an annealing separator which is useful for obtaining grain-oriented electromagnetic steel sheets with excellent magnetic properties and insulating properties. To resolve the above object, an aspect of the present invention resides in magnesium oxide for an annealing separator which has a BET specific surface area of 12.0×10.sup.3 to 25.0×10.sup.3 m.sup.2.Math.kg.sup.−1 and a Blaine specific surface area of 2.0×10.sup.3 to 7.0×10.sup.3 m.sup.2.Math.kg.sup.−1.

The present invention relates to a granular thermal insulation material comprising hydrophobized silicon dioxide and at least one IR opacifier, having a tamped density of up to 250 g/l and a compressive strength according to DIN EN 826:2013 at 50% compression of 150 to 300 kPa or greater than 300 kPa, to processes for production thereof and to the use thereof for thermal insulation.