Kabushiki Kaisha Toshiba

Naruhito Kondo

Osamu Tsuneoka

Naoki Shutoh

Shinya Sakurada

Reiko Fujita

Yasuhito Saito

Kazuki Tateyama

Takahiro Sogou

Tomohiro Iguchi

Masayuki Arakawa

Jun Karasawa

Nobuhisa Takezawa

Akihiro Hara

Hiromitsu Takeda

Yasunari Ukita

Makoto Fujie

Kenichi Matsumaru

Naokazu Iwanade

Mio Ohmura

According to one embodiment, a thermoelectric device is provided with thermoelectric elements and formed of a material capable of exhibiting the thermoelectric effect and a first electrode located at end portions of the thermoelectric elements. The first electrode includes an electrode member, a soaking member having electrical conductivity, located between the electrode member and the thermoelectric elements, and including facing portions facing the thermoelectric elements and folded portions folded back at peripheral edges of the facing portions so as to lie on the opposite side to the thermoelectric elements, and an elastic member located on the opposite side of the facing portions to the thermoelectric elements, at least a part of the peripheral edge of the elastic member being held between the folded portions and the facing portions of the soaking member.

Thermoelectric device and thermoelectric module

According to one embodiment, a thermoelectric module includes a housing and a power generation member. The housing has a first temperature layer and a second temperature layer, the first temperature layer and the second temperature layer being stacked, the housing further having a cylindrical through-hole provided so as to penetrate the first temperature layer and the second temperature layer. The power generation member has thermoelectric materials stacked such that current flows in one direction in the power generation member, the power generation member being provided in the through-hole so that opposite ends of each of the thermoelectric materials are positioned at the first temperature layer and the second temperature layer, respectively.

Thermoelectric module and power generation apparatus

Disclosed is a thermoelectric material which is represented by the following composition formula (1) or (2) and comprises as a major phase an MgAgAs type crystal structure:(TiZrHf)NiSn&#x2003;&#x2003;composition formula (1);(Ln(TiZrHf))NiSn&#x2003;&#x2003;composition formula (2);

Thermoelectric material and thermoelectric element

The present invention according to one preferred embodiment provides a thermoelectric element device comprising a first electrode including an electrode member, an elastic member that has electrically conductive and is provided on the electrode member, and a heat uniforming member that has electrically conductive and is provided on the elastic member; a thermoelectric element that is made of a thermoelectric material having thermoelectric effect and arranged on the first electrode so as to contact the heat uniforming member; and a second electrode arranged on the thermoelectric element.

Thermoelectric element device and thermoelectric module

Disclosed is a thermoelectric material comprising a main phase which is represented by the following composition formula and having an MgAgAs-type crystalline structure:(TZrHf)CoSb

Thermoelectric material and thermoelectric module using the thermoelectric material

In order to provide a highly reliable thermoelectric device, in a thermoelectric device, a plurality of heat-radiating-side electrodes, arranged in accordance with positions where respective thermoelectric elements are to be arranged, are arrayed in an array fashion on a planer surface of a heat-radiating-side board. Heat-radiating-side end surfaces of the plurality of p-type thermoelectric elements and n-type thermoelectric elements and the heat-radiating-side electrodes are joined together by solders. Heat-absorbing-side electrodes are brought into sliding contact with heat-absorbing-side end surfaces of these thermoelectric elements.

Method of making a thermoelectric device

Thermoelectric device

Disclosed is a thermoelectric module, comprising a plurality of p-type thermoelectric elements each comprising a p-type semiconductor having a skutterdite crystal structure, a plurality of n-type thermoelectric elements each comprising a n-type semiconductor having a skutterdite crystal structure, at least one first electrode, at least one second electrode, at least one first alloy layer and at least one second alloy layer, wherein said at least one first alloy layer and said at least one second alloy layer contain Sb and at least one transition metal element selected from the group consisting of Ag, Au and Cu.

Thermoelectric module and heat exchanger

A waste treatment apparatus treats radioactive contaminated waste from a nuclear fuel material handling facility to decontaminate the radioactive contaminated waste by using an electrolytic molten salt, and reuses the electrolytic molten salt so that any effluents are not produced. Radioactive contaminated waste ( ) from a nuclear fuel material handling facility is subjected to electrolysis by a molten salt electrolysis unit ( ) to decontaminate the waste ( ). The used salt ( ) used for decontaminating the waste ( ) is filtered to separate nuclear fuel materials ( ) from the used salt ( ). The filtered salt ( ) is reused by the molten salt electrolysis unit ( ). The salt adhering to the decontaminated waste ( ) is recovered by an evaporating unit ( ), and the recovered salt ( ) is reused by the molten salt electrolysis unit ( ).

Method of treating waste from nuclear fuel handling facility and apparatus for carrying out the same

A waste treatment apparatus treats radioactive contaminated waste from a nuclear fuel material handling facility to decontaminate the radioactive contaminated waste by using an electrolytic molten salt, and reuses the electrolytic molten salt so that any effluents are not produced. Radioactive contaminated waste (,) from a nuclear fuel material handling facility is subjected to electrolysis by a molten salt electrolysis unit (,) to decontaminate the waste (,). The used salt (,) used for decontaminating the waste (,) is filtered to separate nuclear fuel materials (,) from the used salt (,). The filtered salt (,) is reused by the molten salt electrolysis unit (,). The salt adhering to the decontaminated waste (,) is recovered by an evaporating unit (,), and the recovered salt (,) is reused by the molten salt electrolysis unit (,).

Method and apparatus of treating waste from nuclear fuel handling facility

A spent reactor fuel processing method is provided for recovering at least any one of metallic nuclear fuel materials, in which the reactor fuel is composed by covering the metallic nuclear fuel material with a cladding tube made of alloy and having a melting point lower than that of the metallic nuclear fuel material and end plugs made of alloy are mounted to both ends thereof. The processing method comprises a cladding tube smelting separation process, a molten salt electrorefining process and a salt evaporation separation process for recovering metallic uranium, uranium and plutonium, or uranium, plutonium and transuranium elements.

Growing community of inventors

Kawasaki, Japan

Naruhito Kondo