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FUNCTIONAL ELEMENT HAVING CELL SERIAL STRUCTURE OF π-TYPE THERMOELECTRIC CONVERSION ELEMENTS, AND METHOD FOR FABRICATING SAME

外国特許コード F180009373
整理番号 (S2016-1027-N0)
掲載日 2018年4月19日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2017JP032179
国際公開番号 WO 2018047882
国際出願日 平成29年9月6日(2017.9.6)
国際公開日 平成30年3月15日(2018.3.15)
優先権データ
  • 特願2016-173221 (2016.9.6) JP
発明の名称 (英語) FUNCTIONAL ELEMENT HAVING CELL SERIAL STRUCTURE OF π-TYPE THERMOELECTRIC CONVERSION ELEMENTS, AND METHOD FOR FABRICATING SAME
発明の概要(英語) Provided is a functional element resistant to disconnection, comprising a structure for obtaining a flexible thermoelectric device with a sufficient thickness for obtaining a temperature difference, the structure having a textile structure in which threads configured from thermoelectric material are stitched into a flexible insulating base material having a small thermal conductivity. In an element structure, a plurality of serial structures of π-type thermoelectric conversion cells that utilize a temperature difference in the thickness direction of an insulating base material are arranged in parallel, the element structure having a topology in which, at portions where p-type and n-type are switched, stages that have the same potential during electric power generation are electrically connected, wherein the π-type thermoelectric conversion cells are connected as electric circuits both lengthwise and widthwise in a mesh via serial connection and parallel connection. In this way, a functional element can be provided that is not susceptible to deterioration in output characteristics due to disconnection. Specifically, an n-type spun yarn and a p-type spun yarn comprising an electrically conductive fibrous substance are stitched into a sheet of insulating base material alternately and in parallel, wherein the n-type spun yarn and the p-type spun yarn are electrically connected when respectively alternately penetrating through a front surface and a back surface of the insulating base material.
特許請求の範囲(英語) [claim1]
1. The insulating substrate with the thickness direction of the temperature difference of the π-type thermoelectric conversion cells in series and in parallel a plurality of structures, p-type and n-type regions is switched, during the power between the stages have the same potential are electrically connected with the topology element, the insulating base, the heat-insulating and flexible sheet-like or band-like shape having, in the use environment at a single base material has a strength of a base with the shape maintaining, wherein the element, the conductive fibrous material having heat insulating properties is comprised of a p-type and n-type spun yarn is spun yarn, wherein the insulating base material sewn and in parallel alternately, and the rear surface of the insulating base are alternately electrically connected to each other in penetrating and, wherein the insulating substrate is bonded to each other and loosely spun yarn, π-type thermoelectric conversion cell connected in series as an electric circuit in parallel connection with the mesh-shaped connected to both horizontally and vertically, with respect to the disconnection of the device and to increase the resistance of the functional device.
[claim2]
2. Wherein the conductive fibrous material having a thermal conductivity in the longitudinal direction, is suppressed to less than 10W/mK and which is the functional device according to claim 1.
[claim3]
3. Wherein the n-type and p-type yarn spun yarn wherein, front and back surfaces of the insulating base member respectively alternately at least 1 times the fiber through a crossed, electrically in contact with the intersection and a functional element according to claim 1 or 2.
[claim4]
4. Wherein the n-type and p-type yarn spun yarn wherein, front and back surfaces of the insulating base member respectively alternately through the intersection or when contacted with the thread, or an electrically conductive contact at the intersection of the electrical connection is provided with a reinforcement of said any of the claims 1-3 of the functional element.
[claim5]
5. Wherein the n-type and p-type yarn spun yarn, and the rear surface of the insulating base are alternately penetrating the cross or contacted with the thread, or contact with the adhesive at the intersection and any of the claims 1-4 of the functional element.
[claim6]
6. Wherein the n-type and p-type yarn spun yarn wherein, the thickness of the insulating base through obliquely to the direction, wherein the front and back surfaces of the insulating substrate with the exposed portion of each of the decreased according to any one of claims 1-5 characterized in that the functional element.
[claim7]
7. Wherein the n-type and p-type strip spun yarn spun yarn claim, or, wherein the p-type and n-type spun yarn spun yarn of a polygonal or oval in cross section and of the functional element for any of the claims 1-6.
[claim8]
8. Wherein the insulating substrate, flexibility and elasticity and having one or any of the claims 1-7 of the functional element.
[claim9]
9. Wherein the insulating substrate, the cloth or paper, or, a foamed polymer, an elastomer, a gel and an agglomerate flocculents aggregates of a material selected from a plate-like or sheet-shaped metal is any one of those according to claim 8 characterized in that the functional element.
[claim10]
10. Wherein the insulating substrate, and sewn, when sewn, the n-type and p-type yarn spun yarn wherein, at the same time and sewn claims 1-9 disclosed in any one of the functional element.
[claim11]
11. Wherein the insulating substrate, π-type thermoelectric conversion cell having a diameter of substantially the same as the thickness of the warp and weft yarns on which the stitched using according to claim 10 characterized in that the functional element.
[claim12]
12. Wherein the spun yarn, the carbon nanotube (CNT), carbon nanofiber (CNF), graphene, graphene, fullerene nanowhiskers and an inorganic semiconductor selected from the group of whiskers 1 and one or more electrically conductive nano-fibers, a polymer, a dendrimer, polypeptide and protein is selected from the group of one or more 1 as a main component the electrically conductive material and insulating material or a composite material of any of the claims 1-11 characterized in that the functional device.
[claim13]
13. Wherein the spun yarn, composed of a fiber diameter of the CNT 0.1-100μm of plurality of the twisted yarn according to claim 12 and characterized in that the functional element.
[claim14]
14. Claims 1-13 manufacturing method of the functional element, wherein the n-type and p-type spun yarn spun yarn 1 wherein one of the first yarn, the yarn and the other of the first and 2, wherein the insulating substrate and the rear surface of the first one of the 1 surface, the first surface and the other as 2, as in claim 1 wherein the insulating substrate and the second straight line shape in a state in which the tacked wave, wave stitched 1 first spun yarn 2 adjacent to the third parallel yarn wave when stitching, the first surface prior to the step 1 of the first one of the first yarn 1 stitched 1 that are exposed at the intersecting portion, at least 1 twisted once after sewing to, in turn, the first yarn 2 tacked wave adjacent to the third parallel yarn 1 when stitching the wave, the first surface of the second 2 one step before the spun yarn 2 2 the first stitched exposed on the surface of the intersecting portion, at least 1 times after twisted sewing, by repeating the above steps, in a direction orthogonal to the direction of the sewing wave current path is formed, the current flows along a path in series with the π-type structure wherein a heterojunction is formed by the method of producing a functional device.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • NARA INSTITUTE OF SCIENCE AND TECHNOLOGY
  • 発明者(英語)
  • NAKAMURA MASAKAZU
  • ITO MITSUHIRO
  • KOIZUMI TAKUYA
国際特許分類(IPC)
指定国 (WO201847882)
National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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