Abstract: The invention relates to a particulate material comprising a plurality of composite particles, wherein the composite particles comprise: (a) a porous carbon framework comprising micropores and mesopores having a total pore volume of at least 0.6 cm3/g, where the volume fraction of micropores is in the range from 0.1 to 0.9 and the volume fraction of pores having a pore diameter no more than 20 nm is at least 0.75, and the porous carbon framework has a D50 particle size of less than 20 ?m; (b) silicon located within the micropores and/or mesopores of the porous carbon framework in a defined amount relative to the volume of the micropores and/or mesopores.

Abstract: The disclosure relates to a process for preparing particulate materials having high electrochemical capacities that are suitable for use as anode active materials in rechargeable metal-ion batteries. In one aspect, the disclosure provides a process for preparing a particulate material comprising a plurality of composite particles. The process includes providing particulate porous carbon frameworks comprising micro pores and/or mesopores, wherein the porous carbon frameworks have a D50 particle diameter of at least 20 ?m; depositing an electroactive material selected from silicon and alloys thereof into the micropores and/or mesopores of the porous carbon frameworks using a chemical vapour infiltration process in a fluidised bed reactor, to provide intermediate particles; and comminuting the intermediate particles to provide said composite particles.

Abstract: Silicon-containing composite particles, the process comprising the steps of: (a) providing a plurality of porous particles comprising micropores and/or mesopores, wherein the D50 particle diameter of the porous particles from 0.5 to 200 ?m; the total pore volume of micropores and mesopores is from 0.4 to 2.2 cm3/g; and the PD50 pore diameter is no more than 30 nm; c (b) combining a charge of the porous particles with a charge of a silicon-containing precursor in a batch pressure reactor, wherein the charge of porous particles has a volume of at least 20 cm3 per litre of reactor volume (cm3/LRV), and wherein the charge of the silicon-containing precursor comprises at least 2 g of silicon per litre of reactor volume (g/LRV); and (c) heating the reactor to a temperature effective to cause deposition of silicon in the pores of the porous particles, thereby providing the silicon-containing composite particles.

Abstract: The invention relates to a process for preparing silicon-containing composite particles in a fluidized bed. Porous conductive particles having a defined particle size and pore structure are combined with a particulate additive having defined particle size, density and BET surface area. The combined porous conductive particles and particulate additive are subjected to chemical vapour infiltration in a fluidised bed to cause deposition of silicon in the pores of the porous conductive particles.

Abstract: The invention provides methods for providing composite particles with a carbon coating and the resulting core-shell particulate material. The process comprises subjecting a plurality of precursor composite particles to a heat treatment in contact with a pyrolytic carbon precursor such that an outer shell of a pyrolytic conductive carbon material is formed on the precursor composite particles, wherein the heat treatment is carried out at a temperature of no more than 700° C.

Abstract: This invention relates to particulate electroactive materials consisting of a plurality of composite particles, wherein the composite particles comprise: (a) a porous conductive particle framework including micropores and/or mesopores having a total volume of at least 0.4 to 2.2 cm3/g; (b) an electroactive material disposed within the porous conductive particle framework; and (c) a lithium-ion permeable filler penetrating the pores of the porous conductive particle framework and disposed intermediate the nanoscale silicon domains and the exterior of the composite particles.

Abstract: This invention relates to particulate electroactive materials comprising a plurality of composite particles, wherein the composite particles comprise: (a) a porous carbon framework including micropores and/or mesopores having a total volume of at least 0.7 cm3/g, wherein at least half of the micropore/mesopore volume is in the form of pores having a diameter of no more than 5 nm; and (b) silicon located within the micropores and/or mesopores of the porous carbon framework in a defined amount relative to the volume of the micropores and/or mesopores.

Abstract: This invention relates to particulate electroactive materials consisting of a plurality of composite particles, wherein the composite particles comprise: (a) a porous carbon framework including micropores and/or mesopores having a total volume of at least 0.6 cm 3/g, wherein at least half of the micropore/mesopore volume is in the form of pores having a diameter of no more than 2 nm; and (b) an electroactive material located within the micropores and/or mesopores of the porous carbon framework. The D 90 particle diameter of the composite particles is no more than 10 nm.

Abstract: The disclosure relates to a process for preparing particulate materials having high electrochemical capacities that are suitable for use as anode active materials in rechargeable metal-ion batteries. In one aspect, the disclosure provides a process for preparing a particulate material comprising a plurality of composite particles. The process includes providing particulate porous carbon frameworks comprising micro pores and/or mesopores, wherein the porous carbon frameworks have a D50 particle diameter of at least 20 ?m; depositing an electroactive material selected from silicon and alloys thereof into the micropores and/or mesopores of the porous carbon frameworks using a chemical vapour infiltration process in a fluidised bed reactor, to provide intermediate particles; and comminuting the intermediate particles to provide said composite particles.

Abstract: The invention relates to a particulate material comprising a plurality of composite particles, wherein the composite particles comprise: (a) a porous carbon framework comprising micropores and mesopores having a total pore volume of at least 0.6 cm3/g, where the volume fraction of micropores is in the range from 0.1 to 0.9 and the volume fraction of pores having a pore diameter no more than 20 nm is at least 0.75, and the porous carbon framework has a D50 particle size of less than 20 ?m; (b) silicon located within the micropores and/or mesopores of the porous carbon framework in a defined amount relative to the volume of the micropores and/or mesopores.

Abstract: A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a platinum-ligand complex that can be prepared by reacting a platinum precursor and a ligand.

Abstract: A process for producing cyclic polysiloxanes is disclosed. The first step of the process comprises combining a poiysiloxane, a cafaiyst and a high boiling endblocker, wherein the catalyst is selected from the group consisting of a phosphazene base and a carborane acid.

Abstract: A tennis elbow support comprising a main body having an opening and a tendon pad having a pad base and a raised portion that projects from the pad base. The tendon pad is inserted into the opening so that the raised portion projects outwardly from a bottom surface of the main body. The main body can be releasably secured in a substantially circular configuration so that the support can be placed around the forearm of a user and the tennis elbow support can be tightened around the arm of the user with tendon pad in contact with the arm so that straight-line pressure is applied across the extensor muscle and tendon.

Abstract: A process for preparing cyclic organohydrogensiloxanes is disclosed. The process comprises the steps of (A) and (B). Step (A) comprising contacting a silane of the formula RHSiCl2, where R is selected from alkyl radicals having 1 to 12 carbon atoms and aryl radicals, with water to form a hydrolyzate. The hydrolyzate formed in step (A) comprising cyclic organohydrogensiloxanes and linear organohydrogensiloxanes. Step (B) comprising contacting the hydrolyzate formed in (A) with an acidic rearrangement catalyst in the presence of an inert liquid diluent to increase the ratio of the cyclic organohydrogensiloxanes to linear organohydrogensiloxanes in the hydrolyzate. The process further characterized by that the acidic rearrangement catalyst is an organic compound containing a strong acid group which is dissolved in the inert diluent present.

Abstract: A tennis elbow support comprising a main body having an opening and a tendon pad having a pad base and a raised portion that projects from the pad base. The tendon pad is inserted into the opening so that the raised portion projects outwardly from a bottom surface of the main body. The main body can be releasably secured in a substantially circular configuration so that the support can be placed around the forearm of a user and the tennis elbow support can be tightened around the arm of the user with tendon pad in contact with the arm so that straight-line pressure is applied across the extensor muscle and tendon.

Abstract: A tennis elbow support comprising a main body having an opening and a tendon pad having a pad base and a raised portion that projects from the pad base. The tendon pad is inserted into the opening so that the raised portion projects outwardly from a bottom surface of the main body. The main body can be releasably secured in a substantially circular configuration so that the support can be placed around the forearm of a user and the tennis elbow support can be tightened around the arm of the user with tendon pad in contact with the arm so that straight-line pressure is applied across the extensor muscle and tendon.

Abstract: A tennis elbow support comprising a main body having an opening and a tendon pad having a pad base and a raised portion that projects from the pad base. The tendon pad is inserted into the opening so that the raised portion projects outwardly from a bottom surface of the main body. The main body can be releasably secured in a substantially circular configuration so that the support can be placed around the forearm of a user and the tennis elbow support can be tightened around the arm of the user with tendon pad in contact with the arm so that straight-line pressure is applied across the extensor muscle and tendon.

Abstract: A tennis elbow support comprising a main body having an opening and a tendon pad having a pad base and a raised portion that projects from the pad base. The tendon pad is inserted into the opening so that the raised portion projects outwardly from a bottom surface of the main body. The main body can be releasably secured in a substantially circular configuration so that the support can be placed around the forearm of a user and the tennis elbow support can be tightened around the arm of the user with tendon pad in contact with the arm so that straight-line pressure is applied across the extensor muscle and tendon.

Abstract: The specification describes preparation of materials comprising selected boron anions and processes using them as catalysts for condensation reaction of compounds having silicon-bonded hydroxy or alkoxy groups. Preferred anion compounds comprise borates incorporating quadri-substituted boron in which the substituents include highly halogenated hydrocarbon groups for example pentafluorinated phenyl groups or bis (trifluoromethyl) phenyl groups. Preferred anions are {B(C6F5)4}− and {B(C6(CF3)2H3)4}−.

Abstract: The specification describes preparation of materials comprising selected boron anions and processes using them as catalysts for condensation reaction of compounds having silicon-bonded hydroxy or alkoxy groups. Preferred anion compounds comprise borates incorporating quadri-substituted boron in which the substituents include highly halogenated hydrocarbon groups for example pentafluorinated phenyl groups or bis (trifluoromethyl) phenyl groups. Preferred anions are {B(C6F5)4}− and {B(C6(CF3)2H3)4}−.