Heat exchanger, in particular for cooling power electronics, comprising an insulating element which separates a first fluid medium, which is in contact with a heat source, from a second fluid medium, which differs in at least one property from the first fluid medium and which is in fluid connection with a heat sink or is itself a heat sink, and a heat transfer element which has a higher thermal conductivity than the insulating element, wherein the insulating element comprises at least a first passage opening in which a first heat transfer element is arranged, wherein the heat transfer element is thermally connected both to the first fluid medium and/or the heat source, and to the second fluid medium and is fluidically sealed with respect to the insulating element by means of a sealing element.

Provided is a heat storage unit having a simple configuration, capable of being attached to various objects, and capable of efficiently performing heat exchange.

The heat storage unit has at least one inorganic fiber member configured by binding or entangling flexible inorganic fibers and having a desired shape; and a heat storage material in contact with the inorganic fibers.

Heat exchange element is heat exchange element where heat exchange element pieces each of which includes heat transfer plate with heat conductivity and a plurality of ribs provided on one surface of heat transfer plate are laminated to alternately form exhaust air passage and supply air passage, and exhaust air flow flowing in exhaust air passage and supply air flow flowing in supply air passage exchange heat via heat transfer plate, heat transfer plate and rib are fixed to each other by an adhesive member, rib is formed of a plurality of fiber members with heat meltability and hygroscopicity, and rib has a fiber melting layer that is formed by melting and fixing the plurality of fiber members on the surface of rib.

An optical element includes: a phosphor layer excited by excitation light emitted from a light source, and emitting fluorescence; a translucent thermal-conductive layer formed on a face of the phosphor layer that is irradiated with the excitation light; and a non-translucent thermal-conductive layer formed on a face of the phosphor layer that is across from the face irradiated with the excitation light. The translucent thermal-conductive layer has a thermal conductivity higher than, or equal to, a thermal conductivity of the phosphor layer.

An optical element includes: a phosphor layer excited by excitation light emitted from a light source, and emitting fluorescence; a translucent thermal-conductive layer formed on a face of the phosphor layer that is irradiated with the excitation light; and a non-translucent thermal-conductive layer formed on a face of the phosphor layer that is across from the face irradiated with the excitation light. The translucent thermal-conductive layer has a thermal conductivity higher than, or equal to, a thermal conductivity of the phosphor layer.

The present disclosure relates to efficient condensing operations and apparatuses. Methods of fabricating condensers and specifically condenser surfaces are also disclosed. A condensing apparatus can include a condenser surface having a substrate and one or more layers of graphene. The substrate can be formed of nickel and a nickel-graphene surface composite layer can be formed. The substrate-graphene composite can be highly durable, hydrophobic, and resistant to fouling. Dropwise condensation can be induced.

The present invention relates to a heat pipe (106) configured to be attached to a heat source inside an electric vehicle charging connector (100) for a vehicle (800). The heat pipe (106) comprises a metallic heat reception portion (107), a heat guiding portion, and a heat dissipating portion (109). The heat pipe further comprises an insulating sleeve (121) around the heat reception portion (107) configured to electrically insulate the metallic heat reception portion from the heat source.

The present invention relates to a heat pipe (106) configured to be attached to a heat source inside an electric vehicle charging connector (100) for a vehicle (800). The heat pipe (106) comprises a metallic heat reception portion (107), a heat guiding portion, and a heat dissipating portion (109). The heat pipe further comprises an insulating sleeve (121) around the heat reception portion (107) configured to electrically insulate the metallic heat reception portion from the heat source.

Disclosed herein are articles comprising: (a) a glass micro sheet having top and bottom surfaces and a thickness of about 0.001 to about 0.040 inches; and (b) a layer comprising a plurality of composite layers, the layer having top and bottom surfaces, wherein the bottom layer of the glass micro sheet is bonded to the top surface of the layer comprising a plurality of composite layers; and wherein the (Ra) of the top surface of the glass micro sheet is 1 nm<Ra<1 μm, and methods of making same.

A total heat exchange element includes a plurality of partition members made of a material that contains cellulose as a main component, a spacing member made of a material that contains cellulose as a main component, and an adhesive portion bonding the partition members and the spacing member together. The partition members are configured as flat sheets, and are stacked with a predetermined distance between them. The spacing member is disposed between adjacent ones of the stacked partition members to maintain the distance between them. The total heat exchange element has a first air flow path and a second air flow path alternately formed with one of the partition members interposed between the first and second air flow paths. The adhesive portion contains, as an adhesive component, cellulose having a smaller diameter than both of the cellulose forming the partition members and the cellulose forming the spacing member.