WO2010082541A1 - 熱電変換モジュール - Google Patents
熱電変換モジュール Download PDFInfo
- Publication number
- WO2010082541A1 WO2010082541A1 PCT/JP2010/050162 JP2010050162W WO2010082541A1 WO 2010082541 A1 WO2010082541 A1 WO 2010082541A1 JP 2010050162 W JP2010050162 W JP 2010050162W WO 2010082541 A1 WO2010082541 A1 WO 2010082541A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thermoelectric conversion
- conversion element
- type thermoelectric
- support frame
- adhesive
- Prior art date
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/17—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device
Definitions
- the present invention relates to a thermoelectric conversion module.
- thermoelectric conversion module having a structure in which a thermoelectric conversion element is inserted into a through hole of a support frame and the entire side surface including the ridge of the thermoelectric conversion element is bonded to the support frame with an inorganic adhesive is known. Yes.
- the conventional structure has a problem that the apex and ridge of the thermoelectric conversion element are likely to be damaged due to the stress generated in a high temperature environment, and the performance of the thermoelectric conversion module is deteriorated due to the temperature cycle.
- an object of the present invention is to provide a thermoelectric conversion module that can prevent the apex and ridge of the thermoelectric conversion element from being damaged and suppress performance deterioration due to a temperature cycle.
- the present invention relates to a p-type thermoelectric conversion element and an n-type thermoelectric conversion element, a support frame having a through-hole into which a p-type thermoelectric conversion element is inserted and a through-hole into which an n-type thermoelectric conversion element is inserted, and a p-type thermoelectric conversion An electrode for electrically connecting the element and the n-type thermoelectric conversion element, and at least one of the p-type thermoelectric conversion element and the n-type thermoelectric conversion element has a shape having a vertex and / or a ridge,
- a thermoelectric conversion module in which at least one element and a support frame are fixed by an adhesive bonded to a region excluding the apex and ridge of the surface of at least one element and the support frame.
- thermoelectric conversion module of the present invention since the apexes and ridges of the thermoelectric conversion elements are not directly fixed to the support frame by the adhesive, the thermal stress applied to the apexes and ridges of the thermoelectric conversion elements is relieved, and the temperature cycle The performance degradation of the thermoelectric conversion module due to can be prevented.
- the shape of the p-type thermoelectric conversion element and the n-type thermoelectric conversion element is a prism, and the axis of the prism and the axis of the through hole are preferably parallel.
- the prisms arranged in this way are employed, a large number of thermoelectric conversion elements can be efficiently arranged in a small space.
- thermoelectric conversion module in which the apexes and ridges of the thermoelectric conversion element are less likely to be damaged and performance deterioration can be suppressed.
- thermoelectric conversion module which is one Embodiment of this invention. It is a top view which shows the joining state of the thermoelectric conversion element of this invention, and a support frame.
- FIG. 1 is a perspective view showing an appearance of a thermoelectric conversion module 1 according to an embodiment of the present invention.
- the thermoelectric conversion module 1 includes a support frame 2, a p-type thermoelectric conversion element 31, an n-type thermoelectric conversion element 32, a first electrode 4, and a second electrode 5.
- the thermoelectric conversion module 1 is used with the first electrode 4 side as a relatively low temperature side and the second electrode 5 side as a relatively high temperature side.
- the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 have a quadrangular prism shape.
- the shape of these elements is preferably a rectangular column shape in which both end surfaces are rectangular, more preferably a square column shape in which both end surfaces are square.
- the material of the p-type thermoelectric conversion element 31 is not particularly limited.
- a metal composite oxide such as Na x CoO 2 (0 ⁇ x ⁇ 1), Ca 3 Co 4 O 9 , MnSi 1.73 , Fe 1-x Mn x Si 2 , Si 0.8 Ge 0.2 : B (B-doped Si 0.8 Ge 0.2 ), silicide such as ⁇ -FeSi 2 , CoSb 3 , FeSb 3 , RFe 3 CoSb 12 (R is La , Ce or Yb), and alloys containing Te such as BiTeSb, PbTeSb, Bi 2 Te 3 , PbTe, Sb 2 Te 3 , and Zn 4 Sb 3 .
- the material of the n-type thermoelectric conversion element 32 is not particularly limited.
- a metal composite oxide such as SrTiO 3 , Zn 1-x Al x O, CaMnO 3 , LaNiO 3 , BaTiO 3 , Ti 1-x Nb x O, etc. Mg 2 Si, Fe 1-x Co x Si 2 , Si 0.8 Ge 0.2 : P (P-doped Si 0.8 Ge 0.2 ), ⁇ -FeSi 2 , silicide, CoSb 3, etc.
- clathrate compounds such as Ba 8 Al 12 Si 30 , Ba 8 Al x Si 46-x , Ba 8 Al 12 Ge 30 , Ba 8 Ga x Ge 46-x , CaB 6 , SrB 6 , BaB 6 , CeB boron compounds such as 6, BiTeSb, PbTeSb, Bi 2 Te 3, PbTe, alloys containing Te such as Sb 2 Te 3, Zn 4 Sb 3 is ani It is.
- thermoelectric conversion modules using thermoelectric conversion elements of such materials are particularly suitable for power generation using a high-temperature heat source. It can utilize suitably for an apparatus.
- 300 to 570 K for BiTe system, 300 to 850 K for PbTe system, 500 to 800 K for silicide system such as MnSi and MgSi, 500 to 750 K for ZnSb system, 300 to 900 K for CoSb (skutterudite) system, oxide system is a particularly preferable use range.
- thermoelectric conversion element using a metal composite oxide as a material is preferable from the viewpoint of production cost and stability in the air, and the material of the p-type thermoelectric conversion element is Ca 3 Co 4 O 9 .
- the material of the n-type thermoelectric conversion element is CaMnO 3 is particularly preferable.
- the support frame 2 supports and fixes the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32.
- the support frame 2 preferably has thermal insulation, and preferably has electrical insulation.
- the support frame 2 has a plate shape, and through holes 2a are formed at positions where the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 are to be inserted.
- the shape of the through-hole 2a is not particularly limited, but preferably has a shape corresponding to the cross-sectional shape of the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32.
- the cross-sectional shape of each thermoelectric conversion element 31 and 32 is In the case of a quadrangle, the through-hole 2a preferably has a quadrangular shape.
- the material of the support frame 2 is not particularly limited, and for example, a ceramic material or the like can be used.
- a ceramic material an oxide having high electrical and thermal insulation is preferable, and examples thereof include zirconia, cordierite, alumina, mullite, magnesia, silica, and calcia. These oxides are used alone or in combination of two or more.
- the ceramic material may contain glass frit as necessary.
- a p-type thermoelectric conversion element 31 or an n-type thermoelectric conversion element 32 is inserted and fixed in each through-hole 2a of the support frame 2, and the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 are formed in the through-hole 2a.
- the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 are formed in the through-hole 2a.
- each element is in the through hole 2a so that the axis of the quadrangular column of the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 and the axis of the through hole 2a are substantially parallel. Is arranged.
- each thermoelectric conversion element 31 and 32 is fixed to the support frame 2 with the adhesive agent 6 adhere
- the adhesive 6 is not in contact with the vertex v and the edge e on the side surfaces of the thermoelectric conversion elements 31 and 32.
- the regions excluding the apexes v and ridges e on the four side surfaces of the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 and the support frame 2 are mutually bonded by the adhesive 6. It is fixed. Further, the adhesive 6 adheres not to the inner surface of the through hole 2a of the support frame 2 but to the main surface 2S that is not in the through hole 2a of the support frame 2.
- the adhesive 6 is not particularly limited and may be a resin adhesive, but an inorganic adhesive is preferably used in order to increase durability at high temperatures.
- an inorganic adhesive is preferably used in order to increase durability at high temperatures.
- Inorganic adhesives Aron Ceramics (trade name) manufactured by Toa Gosei Co., Ltd.) and the like. When such an inorganic adhesive is used, it may be heated to about 100 to 200 ° C. after the adhesive is applied and dried.
- the first electrode 4 electrically connects the one end faces 3a of the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 adjacent to each other.
- the material of the first electrode 4 is not particularly limited as long as it has conductivity. From the viewpoint of improving the heat resistance, corrosion resistance, and adhesion to the thermoelectric element of the electrode, titanium, vanadium, chromium, manganese
- a metal containing at least one element selected from the group consisting of iron, cobalt, nickel, copper, molybdenum, silver, palladium, gold, tungsten, platinum and aluminum as a main component is preferable.
- the main component refers to a component contained in the electrode material by 50% by volume or more.
- the second electrode 5 is for electrically connecting the other end faces 3b of the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 adjacent to each other.
- the material of the second electrode 5 can be the same as that of the first electrode 4. All the p-type thermoelectric conversion elements 31 and the n-type thermoelectric conversion elements 32 are alternately and electrically connected in series by the second electrode 5 and the first electrode 4.
- the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 are, for example, solder or silver paste such as AuSb or PbSb with respect to the first electrode 4 and the second electrode 5. It is preferable to be fixed via a bonding material 7 such as.
- the bonding material 7 is preferably solid when used as a thermoelectric conversion module. Further, a metallized layer may be formed on the surface to be joined to the electrodes of the thermoelectric conversion elements 31 and 32.
- thermoelectric conversion module According to such a thermoelectric conversion module according to this embodiment, the apexes v and ridges e of the thermoelectric conversion elements 31 and 32 are not directly fixed to the support frame 2, so that the thermal stress applied to these vertices v and ridges e. Is mitigated, and performance degradation of the thermoelectric conversion module due to temperature cycling can be prevented.
- this invention is not limited to the said embodiment, A various deformation
- the adhesive 6 is bonded to all four side surfaces of the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32, but the adhesive 6 is not necessarily bonded to all the side surfaces. It is not necessary.
- FIGS. 2A to 2D which are top views showing a fixed state of the p-type thermoelectric conversion element 31 or the n-type thermoelectric conversion element 32 with respect to the support frame 2, any number of side surfaces other than 4 are provided.
- the adhesive 6 may be adhered to the surface.
- the adhesive 6 may be applied to only one side as shown in FIG. 2A, or the adhesive 6 may be applied only to two adjacent side surfaces as shown in FIG. 2B.
- the adhesive 6 may be applied only to two opposite side surfaces as shown in FIG. 2 (c), or the adhesive 6 may be applied only to three side surfaces as shown in FIG. 2 (d). Good.
- the adhesive agent 6 adhere
- the adhesive agent 6 may adhere
- the agent 6 may be bonded to the inner surface of the through hole 2a as shown in FIG.
- the p-type thermoelectric conversion element 31 and the n-type thermoelectric conversion element 32 are quadrangular columns in order to efficiently arrange a large number of thermoelectric conversion elements in a small space.
- Other prisms having vertices and ridges, etc. may be used, and columns such as cylinders having ridges and no vertices may be used, and if they have vertices and / or ridges, irregular shapes may be used.
- the thermoelectric conversion element may be used. Even in these cases, the present invention can be carried out as long as the adhesive 6 adheres to the support 2 and a portion other than the apex and / or ridge of the surface of the thermoelectric conversion element.
- all the p-type thermoelectric conversion elements 31 and the n-type thermoelectric conversion elements 32 are attached to the support frame 2 by the adhesive 6 which adhere
- the adhesive 6 which adhere
- the shape and arrangement of the through holes 2a are not limited to the above embodiment, and the through holes 2a may be arranged in a matrix, for example.
- SYMBOLS 1 ... Thermoelectric conversion module, 2 ... Support frame, 2a ... Through-hole, 2S ... Main surface, 31 ... P-type thermoelectric conversion element, 32 ... N-type thermoelectric conversion element, 4 ... 1st electrode, 5 ... 2nd electrode , 6 ... adhesive, 7 ... bonding agent.
Abstract
Description
Claims (2)
- p型熱電変換素子及びn型熱電変換素子と、
前記p型熱電変換素子が挿入された貫通孔及び前記n型熱電変換素子が挿入された貫通孔を有する支持枠と、
前記p型熱電変換素子及び前記n型熱電変換素子を電気的に接続する電極と、を備え、
前記p型熱電変換素子及び前記n型熱電変換素子のうちの少なくとも一方の素子は頂点及び/又は稜を有する形状であり、
前記少なくとも一方の素子の表面のうちの頂点及び稜を除く領域と前記支持枠とに接着した接着剤によって前記少なくとも一方の素子と前記支持枠とが固定された熱電変換モジュール。 - 前記少なくとも一方の素子の形状は角柱であり、前記角柱の軸と、前記貫通孔の軸とが平行である請求項1記載の熱電変換モジュール。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/143,364 US20110265839A1 (en) | 2009-01-15 | 2010-01-08 | Thermoelectric conversion module |
CN2010800045939A CN102282689A (zh) | 2009-01-15 | 2010-01-08 | 热电转换模块 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009006668A JP2010165842A (ja) | 2009-01-15 | 2009-01-15 | 熱電変換モジュール |
JP2009-006668 | 2009-01-15 |
Publications (1)
Publication Number | Publication Date |
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WO2010082541A1 true WO2010082541A1 (ja) | 2010-07-22 |
Family
ID=42339794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2010/050162 WO2010082541A1 (ja) | 2009-01-15 | 2010-01-08 | 熱電変換モジュール |
Country Status (4)
Country | Link |
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US (1) | US20110265839A1 (ja) |
JP (1) | JP2010165842A (ja) |
CN (1) | CN102282689A (ja) |
WO (1) | WO2010082541A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US9082928B2 (en) | 2010-12-09 | 2015-07-14 | Brian Isaac Ashkenazi | Next generation thermoelectric device designs and methods of using same |
JP6405604B2 (ja) * | 2013-07-08 | 2018-10-17 | 富士通株式会社 | 熱電素子及びその製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002353525A (ja) * | 2001-05-24 | 2002-12-06 | Daikin Ind Ltd | 熱電変換装置及びその製造方法 |
JP2005174985A (ja) * | 2003-12-08 | 2005-06-30 | Morix Co Ltd | 熱電素子 |
JP2006005153A (ja) * | 2004-06-17 | 2006-01-05 | Okano Electric Wire Co Ltd | 熱電変換モジュールおよびその製造方法 |
JP2006032849A (ja) * | 2004-07-21 | 2006-02-02 | Okano Electric Wire Co Ltd | 熱電変換モジュール |
JP2006120671A (ja) * | 2004-10-19 | 2006-05-11 | Okano Electric Wire Co Ltd | 熱電変換モジュール |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3600486B2 (ja) * | 1999-08-24 | 2004-12-15 | セイコーインスツル株式会社 | 熱電変換素子の製造方法 |
JP2005217169A (ja) * | 2004-01-29 | 2005-08-11 | Tohoku Okano Electronics:Kk | 熱電変換モジュール |
-
2009
- 2009-01-15 JP JP2009006668A patent/JP2010165842A/ja not_active Ceased
-
2010
- 2010-01-08 WO PCT/JP2010/050162 patent/WO2010082541A1/ja active Application Filing
- 2010-01-08 US US13/143,364 patent/US20110265839A1/en not_active Abandoned
- 2010-01-08 CN CN2010800045939A patent/CN102282689A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002353525A (ja) * | 2001-05-24 | 2002-12-06 | Daikin Ind Ltd | 熱電変換装置及びその製造方法 |
JP2005174985A (ja) * | 2003-12-08 | 2005-06-30 | Morix Co Ltd | 熱電素子 |
JP2006005153A (ja) * | 2004-06-17 | 2006-01-05 | Okano Electric Wire Co Ltd | 熱電変換モジュールおよびその製造方法 |
JP2006032849A (ja) * | 2004-07-21 | 2006-02-02 | Okano Electric Wire Co Ltd | 熱電変換モジュール |
JP2006120671A (ja) * | 2004-10-19 | 2006-05-11 | Okano Electric Wire Co Ltd | 熱電変換モジュール |
Also Published As
Publication number | Publication date |
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JP2010165842A (ja) | 2010-07-29 |
US20110265839A1 (en) | 2011-11-03 |
CN102282689A (zh) | 2011-12-14 |
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