A heat transfer system is disclosed including heat transfer fluid flow paths (20,22,24,28) through a heat exchanger evaporator (12) and a heat exchanger condenser (16). The system includes an electrochemical cell (32) that transforms an electrochemically reactive agent in the heat transfer fluid between first and second compounds having different boiling points. In some embodiments, the electrochemically active agent can include a fluorinated organic compound including an electrochemically active substituent group that reversibly transforms between the first and second compounds. In some embodiments, the heat transfer fluid can include the electrochemically active agent and an electrochemically non-active refrigerant in a mixture.

A method for cooling furnace electrodes using a cooling liquid containing surfactants. This method can be applied to electrodes used in electric arc furnaces and ladle metallurgy furnaces. The method can involve spraying the cooling liquid onto the electrode, thereby lowering the temperature of the electrode and reducing electrode consumption.

A system for the production of molten salt. The system can have a preparation tank configured to melt raw salts, and a bubbler system in communication with the preparation tank. The bubbler can be configured to maintain vacuum conditions within the preparation tank and to remove gases from the preparation tank. A method for producing molten salt includes a step of providing a system for the production of molten salt. The system can have a preparation tank configured to melt raw salts, and a bubbler system in communication with the preparation tank. The bubbler can be configured to maintain vacuum conditions within the preparation tank and to remove gases from the preparation tank. Then, the method can include inserting raw salt into the preparation tank, and heating the raw salt to form molten salt. Then filtering the molten salt, and storing the molten salt.

A composition for thermal storage includes at least one phosphor compound and water. At least part of the phosphor compound is an oligomer. The composition can be used in a hardened material thereof, a thermal storage device, a method for storing thermal energy, and a method for obtaining the aforementioned composition solid core particles.

A composition for thermal storage includes at least one phosphor compound and water. At least part of the phosphor compound is an oligomer. The composition can be used in a hardened material thereof, a thermal storage device, a method for storing thermal energy, and a method for obtaining the aforementioned composition solid core particles.

In an example, a thermal interface material includes a polymeric phase-change material.

In an example, a thermal interface material includes a polymeric phase-change material.

A heat storage unit includes: a heat storage material that contains water and high polymers that exhibit hydrophilicity or hydrophobicity depending on a temperature; a heat exchanger that causes heat exchange to be performed between a heating fluid and the heat storage material to heat the heat storage material and store heat in the heat storage material, and causes heat exchange to be performed between a heat utilization fluid and the heat storage material to receive heat from the heat storage material and cause heat to be transferred from the heat storage material; and a container that is filled with the heat storage material and houses the heat exchanger.

A functional fluid composition useful as a brake fluid comprising from 0 to 94.99% by weight of alkoxy glycols of borate esters, from 5 to 99.99% by weight of alkoxy glycols, from 0.01 to 5% by weight of alkoxylates of saturated or unsaturated hydroxy-substituted fatty acids such as ricinoleic acid or esters thereof, the hydroxyl group located on the fatty acid side chain being etherified by at least one oxyalkylene unit, and from 0 to 10% by weight of an additive package comprising additives with corrosion inhibition action.

Disclosed is a composition comprising: (A) at least one fluorine-containing ketone; and (B) an effective amount of stabilizer which is selected from at least one of the group consisting of an epoxy compound, a nitro compound, a hindered phenolic compound, a -diketone compound, a phosphite compound, a salicylate compound, a cinnamate compound, a hydroxybenzophenone compound, a hydroxybenzoic acid compound, an alkoxy methane compound, and an organic thio compound. The composition provided by the present invention has stable performance, and can be used as a fire extinguishing agent, a heat transfer medium, etc.