WO2015019810A1 - 積層型熱電変換素子およびその製造方法 - Google Patents
積層型熱電変換素子およびその製造方法 Download PDFInfo
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- WO2015019810A1 WO2015019810A1 PCT/JP2014/068889 JP2014068889W WO2015019810A1 WO 2015019810 A1 WO2015019810 A1 WO 2015019810A1 JP 2014068889 W JP2014068889 W JP 2014068889W WO 2015019810 A1 WO2015019810 A1 WO 2015019810A1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/81—Structural details of the junction
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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
- H10N10/01—Manufacture or treatment
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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
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- the present invention relates to a laminated thermoelectric conversion element and a method for manufacturing the same.
- Patent Document 1 An example of an invention relating to a take-out electrode of a thermoelectric module is described in Japanese Patent Laid-Open No. 2003-8085 (Patent Document 1).
- Patent Document 2 JP-A-10-144568
- thermoelectric conversion element An example of a laminated thermoelectric conversion element is described in JP2009-124030A (Patent Document 3).
- This laminated thermoelectric conversion element is basically a p-type oxide thermoelectric conversion material and an n-type oxide thermoelectric conversion material that are alternately laminated, and the p-type oxide thermoelectric conversion material and the n-type oxide thermoelectric conversion material.
- the p-type oxide thermoelectric conversion material and the n-type oxide thermoelectric conversion material are directly bonded in some regions, and the p-type oxide thermoelectric conversion material and the n-type oxidation are formed in other regions.
- the material thermoelectric conversion material is configured to be joined via an insulating material.
- the laminated thermoelectric conversion element generates a potential difference due to the Seebeck effect in each of the p-type oxide thermoelectric conversion material and the n-type oxide thermoelectric conversion material by giving a temperature difference.
- the p-type oxide thermoelectric conversion material is, for example, a p-type thermoelectric semiconductor.
- the n-type oxide thermoelectric conversion material is, for example, an n-type thermoelectric semiconductor.
- the Seebeck coefficient of the p-type thermoelectric semiconductor is positive, and the Seebeck coefficient of the n-type thermoelectric semiconductor is negative.
- the multilayer thermoelectric conversion element can generate power from a given temperature difference.
- JP 2003-8085 A Japanese Patent Laid-Open No. 10-144568 JP 2009-124030 A
- FIG. 20 shows an example. However, if the arrangement of the p-type and the n-type is reversed, as shown in FIG. 21, power is generated with exactly the opposite polarity.
- the laminated thermoelectric conversion element shown in FIG. 20 is rotated 180 ° around the rotation axis in the direction perpendicular to the paper surface, the obtained current has the same polarity, but the laminated thermoelectric conversion shown in FIG.
- the polarity of the obtained current is reversed since it is as shown in FIG. A situation in which the direction of the laminated thermoelectric conversion element is undesirably changed and the polarity is reversed must be avoided.
- the outer shape of the element is a simple rectangular parallelepiped as illustrated in FIG. 22, and only one external electrode is provided on each of two surfaces facing each other.
- This rectangular parallelepiped has a size of several mm on one side.
- the vertical, horizontal, and height dimensions A, B, and C may be designed differently, but even in that case, the overall shape is symmetrical, so only the appearance is shown. Then, the upper and lower surfaces and the left and right surfaces cannot be distinguished.
- the entire surface of the device is electrolytically plated to form a metal film once on all six surfaces, and then the four-surface metal film that does not require the formation of the external electrode is polished by polishing. There is a case where a method of removing is taken. Immediately after electrolytic plating, all six surfaces are completely covered with a metal film, and all surfaces have the same metallic luster. Therefore, which surface should be the high temperature side, from which surface the potential of the positive electrode is Whether it can be taken out or not can not be specified from the appearance, and the only clue is the size.
- thermoelectric conversion element In order to identify the surface that should be on the high temperature side and the surface with the positive electrode in the laminated thermoelectric conversion element immediately after fabrication, it is necessary to confirm what direction the current is generated by actually giving a temperature difference. It was necessary. This is an operation in which a probe is brought into contact with each surface of a multilayer thermoelectric conversion element, which is a small component, to perform an electrical test, which is laborious.
- an object of the present invention is to make it easy to specify the type of the high temperature side / low temperature side and the sign of the electrode in the laminated thermoelectric conversion element.
- a laminated thermoelectric conversion element configured to generate electricity from a temperature difference with respect to a certain heat transfer direction, and has a first surface and An external electrode for outputting electricity generated from the temperature difference, and the first surface and the second surface each include at least one of the first surface and the second surface.
- a mark is provided so that the type of the high temperature side / low temperature side and the polarity of the generated electricity can be discriminated by appearance in the heat transfer direction.
- the type of the high temperature side / low temperature side and the polarity of the generated electricity can be discriminated by appearance, so the type of the high temperature side / low temperature side and the sign of the electrode are specified. It's easy to do.
- thermoelectric conversion element in Embodiment 2 It is the side view seen from the 2nd surface side of the laminated
- thermoelectric conversion element in Embodiment 3 It is the side view seen from the 1st surface side of the 4th modification of the lamination type thermoelectric conversion element in Embodiment 2 based on the present invention. It is a flowchart of the manufacturing method of the laminated thermoelectric conversion element in Embodiment 3 based on this invention. It is explanatory drawing of the 1st process of the manufacturing method of the laminated thermoelectric conversion element in Embodiment 3 based on this invention. It is explanatory drawing of the 2nd process of the manufacturing method of the laminated thermoelectric conversion element in Embodiment 3 based on this invention.
- thermoelectric conversion element C It is a top view of the pattern C at the time of printing a metal paste on the outermost surface material layer used with the manufacturing method of the laminated thermoelectric conversion element in Embodiment 3 based on this invention. It is a top view of the pattern D at the time of printing a metal paste on the outermost surface material layer used with the manufacturing method of the laminated thermoelectric conversion element in Embodiment 3 based on this invention. It is a top view of the pattern E at the time of printing an insulating paste on the outermost surface material layer used with the manufacturing method of the laminated thermoelectric conversion element in Embodiment 3 based on this invention. It is a 1st explanatory view of operation of a lamination type thermoelectric conversion element based on conventional technology. It is the 2nd explanatory view of operation of a lamination type thermoelectric conversion element based on conventional technology. It is a perspective view of the multilayer thermoelectric conversion element based on a prior art.
- the laminated thermoelectric conversion element 101 is a laminated thermoelectric conversion element configured to generate power from a temperature difference with respect to a certain heat transfer direction 91, and has a first surface 31 and a second surface 32 that face each other.
- the figure seen from the 1st surface 31 side is shown in FIG. 2, and the figure seen from the 2nd surface 32 side is shown in FIG.
- the multilayer thermoelectric conversion element 101 includes external electrodes 7a and 7b on the first surface 31 and the second surface 32 for outputting electricity generated from the temperature difference. At least one of the first surface 31 and the second surface 32 is provided with a mark that can visually distinguish the type of the high-temperature side / low-temperature side in the heat transfer direction 91 and the polarity of the generated electricity.
- the symbols indicated by + or ⁇ in the circles are symbols for distinguishing the polarities of the external electrodes for the convenience of explanation, and indicate shapes that are visible as appearances. is not. In the following drawings, the same meaning is obtained when these symbols are displayed on the external electrodes.
- the mark is that at least one of the position, size, and shape of the external electrodes 7a and 7b is different between the first surface and the second surface.
- the external electrodes 7a and 7b have different dimensions. That is, the external electrode 7a provided on the first surface 31 is provided over the length L1 from the lower end in the figure, whereas the external electrode 7b provided on the second surface 32 is provided with a length L2 from the lower end in the figure. It is provided over. L1 ⁇ L2. The difference between L1 and L2 is large enough to be seen visually.
- the external electrodes 7a and 7b are provided asymmetrically with respect to the top and bottom in FIGS. If the external electrodes are provided so as to be distinguished from each other in this manner, not only the polarity of electricity but also the distinction between the high temperature side and the low temperature side can be grasped simultaneously from the appearance.
- the configuration is such that the polarity of the generated electricity can be determined by appearance, it is easy to identify the high temperature side / low temperature side and specify the polarity of the electrode.
- the structure is simple, and a clear mark can be realized without increasing the number of parts.
- the external electrode so as to cover only a predetermined region of one surface in this way, it is assumed that the other part is covered with an insulating film in advance, leaving only the region where the external electrode is to be formed. That's fine. If the electroplating is performed with the insulating film partially covered in this way, the metal film does not adhere to the portion covered with the insulating film, and the metal film adheres only to the exposed portion of the semiconductor material. A metal film adheres only to a predetermined region in one surface.
- the electrolytic plating process is performed as in the present embodiment. Since the metal film does not adhere to the portion of the insulating film even after passing through, the four surfaces to be polished can be easily specified before starting the polishing operation.
- the external electrode may be a Ni film, for example.
- a Ni film can be formed by electrolytic Ni plating.
- thermoelectric conversion element 102 With reference to FIGS. 4 to 6, multilayer thermoelectric conversion element 102 according to the second embodiment of the present invention will be described. The whole laminated thermoelectric conversion element 102 in this embodiment is shown in FIG.
- the laminated thermoelectric conversion element 102 is a laminated thermoelectric conversion element configured to generate power from a temperature difference with respect to a certain heat transfer direction 91, and has a first surface 31 and a second surface 32 that face each other.
- the figure seen from the 1st surface 31 side is shown in FIG. 5, and the figure seen from the 2nd surface 32 side is shown in FIG.
- the laminated thermoelectric conversion element 102 includes external electrodes 7a and 7b for outputting electricity generated from the temperature difference on the first surface 31 and the second surface 32, respectively.
- At least one of the first surface 31 and the second surface 32 is provided with a mark that can visually distinguish the type of the high-temperature side / low-temperature side in the heat transfer direction 91 and the polarity of the generated electricity.
- the mark is the additional shape pattern 8 provided on the external appearance of at least one of the pair of external electrodes 7a and 7b provided on the first surface 31 and the second surface 32.
- the external electrode 7 b covers the entire surface of the second surface 32, whereas the external electrode 7 a does not cover the entire surface of the first surface 31.
- the external electrode 7 a has a shape pattern 8. No metal film is formed inside the shape pattern 8.
- the shape pattern 8 is provided at a position near the upper left in FIG. 5 of the first surface 31.
- the external electrode shape pattern 8 is provided in the plane, if it is provided in such a manner that the concepts of the upper, lower, left and right sides of the surface can be distinguished in this manner, not only the polarity of electricity but also the distinction between the high temperature side and the low temperature side can be seen. Can be grasped at the same time.
- the same effect as in the first embodiment can be obtained.
- the shape pattern of the mark may have another shape or arrangement.
- the dots of the shape pattern are circular, but shapes other than the circle may be used.
- the shape pattern of the mark may be a rectangle as shown in FIG. 7, for example.
- the mark may be a notch provided along a certain rule.
- FIGS. 5 to 10 show examples in which the mark pattern is provided on the positive electrode, but the mark pattern may be provided on the negative electrode. Different mark patterns may be provided on both the positive electrode and the negative electrode.
- FIG. 11 shows a flowchart of the manufacturing method of the laminated thermoelectric conversion element in the present embodiment.
- the method for manufacturing a stacked thermoelectric conversion element in the present embodiment is a manufacturing method for collectively obtaining a plurality of stacked thermoelectric conversion elements configured to generate power from a temperature difference related to a certain heat transfer direction,
- the p-type thermoelectric conversion material layer partially covered with the insulating layer and the n-type thermoelectric conversion material layer partially covered with the insulating layer are alternately laminated so that the electrical connection continues in a meander shape.
- a step S1 for forming a laminated body, and at least one of the uppermost surface and the lowermost surface of the large-sized laminated body, a predetermined external electrode region for outputting electricity generated from the temperature difference includes a plurality of laminated thermoelectric elements.
- Exterior material A step S4 of dividing the large-sized laminate so that the layer is divided into regions for each of the laminated thermoelectric conversion elements, and even after being divided, the individual laminated thermoelectric conversion elements Before the step S4 for dividing, a mark or a mark group that can distinguish the type of high-temperature side / low-temperature side of the heat transfer direction and the polarity of generated electricity by appearance is formed on the outermost surface material layer. Keep it.
- step S1 The state of step S1 is shown in FIG.
- step S1 a p-type thermoelectric conversion material layer 3 partially covered with an insulating layer and an n-type thermoelectric conversion material layer 4 partially covered with an insulating layer are alternately stacked to form a large laminate.
- the p-type thermoelectric conversion material layer 3 and the n-type thermoelectric conversion material layer 4 are greatly different in thickness. This is because the electrical resistance values of the two elements are different due to the use of materials having different compositions, and thus the electric resistance values of the p-type portion and the n-type portion as a whole are made uniform. .
- each of the p-type thermoelectric conversion material layer 3 and the n-type thermoelectric conversion material layer 4 is a sheet having a large area corresponding to a plurality of thermoelectric conversion elements.
- the large-sized laminate is a large-sized laminate corresponding to a plurality of thermoelectric conversion elements. Therefore, a plurality of meander-like electrical connection routes are included in the large-sized laminate.
- a predetermined external electrode region for outputting electricity generated from the temperature difference corresponds to a plurality of stacked thermoelectric conversion elements on at least one of the uppermost surface and the lowermost surface of the large laminate.
- the outermost surface material layers 5 and 6 defined in advance are stacked.
- the outermost surface material layer 5 is disposed at the lowermost position, and the outermost surface material layer 6 is disposed at the uppermost position. This is shown in FIG.
- a plan view of the outermost surface material layer 5 is shown in FIG.
- a plan view of the outermost surface material layer 6 is shown in FIG. Insulating layers are printed in the areas indicated by thick hatching in FIGS.
- the broken lines shown in FIG. 14 and FIG. 15, respectively, indicate cutting lines when dividing the large-sized laminate in step S4.
- the outermost surface material layers 5 and 6 have different insulating layer patterns.
- the pattern of the insulating layer differs between the outermost surface material layers 5 and 6.
- the pattern of the insulating layer is not the external electrode itself, the difference in the pattern of the insulating layer shown in FIGS. 14 and 15 is that “even after being divided, the heat transfer direction and power generation in each laminated thermoelectric conversion element It corresponds to “a mark base that can discriminate the polarity of electricity by appearance”.
- Step S1 and step S2 are not limited to this order, and may be performed in the reverse order, or may be performed simultaneously. Part or all of step S1 and step S2 may be performed in parallel.
- the outermost surface material layer 5 to be positioned on the lowermost surface is first placed on the work table, and the p-type thermoelectric conversion material layer 3 and the n-type thermoelectric conversion material layer 4 are alternately stacked thereon, and finally the uppermost surface. It is good also as stacking the outermost surface material layer 6 which should be located in.
- FIG. 16 shows the large-sized laminate 201 at the time when the steps so far are finished.
- the large laminate 201 is divided as step S4.
- the dividing operation may be performed by a known technique such as a dicing saw.
- step S4 the process is divided as shown by broken lines in FIGS.
- the laminate thus obtained is fired and subjected to electrolytic plating.
- electroplating metal films adhere to the four surfaces on which no external electrode is formed, but these four metal films are removed by polishing. Of the two surfaces on which the external electrodes are to be formed, metal films remain in regions not covered by the insulating film, and these metal films serve as external electrodes.
- the laminated thermoelectric conversion element 101 shown in FIGS. 1 to 3 can be obtained.
- the mark is already formed before dividing from the large-sized laminate, the direction of heat transfer and the polarity of electricity generated in each laminated thermoelectric conversion element are determined even after being divided. Can be distinguished by appearance.
- an insulating layer having a different pattern is formed on the outermost surface material layer so that the metal film is formed in a different pattern in the subsequent electroplating.
- the metal paste is applied to the outermost surface material layer. May be printed in a desired pattern. In that case, for example, as shown in FIGS. 17 and 18, the metal paste may be printed so that the two surfaces have different patterns. The metal paste is subsequently fired to form a metal film.
- Metal Ni powder and metal Mo powder were prepared as starting materials for the p-type thermoelectric conversion material.
- La 2 O 3 , SrCO 3 , and TiO 2 were prepared as starting materials for the n-type thermoelectric conversion material. Using these starting materials, p-type and n-type thermoelectric conversion materials were weighed so as to have the following composition.
- the p-type composition is as follows. Ni 0.9 Mo 0.1 20 wt% + (Sr 0.965 La 0.035 ) TiO 3 80 wt%
- the n-type composition is as follows. (Sr 0.965 La 0.035 ) TiO 3
- raw material powder was mixed by ball mill for 16 hours using pure water as a solvent.
- the obtained slurry was dried and then calcined at 1300 ° C. in the atmosphere.
- the obtained n-type powder and p-type powder raw material were each ball milled for 5 hours.
- An organic solvent, a binder, and the like were added to the obtained powder and mixed for another 16 hours, and the obtained slurry was formed into a sheet by a doctor blade method. This is referred to as a p-type and n-type “thermoelectric conversion material sheet”.
- the produced insulating paste was subjected to the pattern shown in FIG. 14 (hereinafter referred to as “pattern A”) and the pattern shown in FIG. 15 (hereinafter referred to as “pattern B”). ) And the pattern shown in FIG. 19 (hereinafter referred to as “pattern E”), each was printed to a thickness of 10 ⁇ m.
- the dot-like pattern formed by the insulating layer is also called “insulating marker”.
- the Ni paste has a thickness of 10 ⁇ m in each of the pattern shown in FIG. 17 (hereinafter referred to as “pattern C”) and the pattern shown in FIG. 18 (hereinafter referred to as “pattern D”). Printed.
- the Ni paste becomes a Ni film later.
- the Ni film is used as the external electrode.
- thermoelectric conversion material sheets were laminated so that the outermost layer had the combination shown in Table 1, and then subjected to temporary pressure bonding to produce laminates having different patterns exposed on the outermost layer.
- the laminated body at this stage is also called a “green body”.
- the number of p-type and n-type layers inside each element was 50 pairs.
- an element close to a conventional structure was prepared.
- Ni paste is printed in the pattern C on both surfaces of the outermost layer.
- the produced laminated body was cut into a predetermined size with a dicing saw.
- the cut laminated body was subjected to pressure bonding at 180 MPa by an isotropic isostatic pressing method to obtain a molded body.
- the obtained molded body was degreased at 270 ° C. in the atmosphere. Thereafter, firing was performed at 1200 to 1300 ° C. in a reducing atmosphere having an oxygen partial pressure of 10 ⁇ 10 to 10 ⁇ 15 MPa to obtain a fired body.
- the printed Ni paste film was baked into a Ni film.
- the four surfaces other than the surface on which the external electrode was formed were polished to remove excess Ni film, thereby providing the external electrode only on two surfaces. A thermoelectric conversion element was produced.
- Examples 2, 3, and 4 were subjected to electrolytic Ni plating.
- a Ni film was formed in a region of the surface that was not covered by the insulating layer.
- a mark was formed on the surface on which the mark base was provided. Of the 6 surfaces, 4 surfaces were polished except for the marked surface and the surface facing it. Thus, a laminated thermoelectric conversion element was produced.
- the laminated thermoelectric element By forming the laminated thermoelectric element with such a structure, the high temperature side / low temperature side is not mistakenly distinguished, and the polarity of electricity generated is not mistaken, thereby improving the reliability.
- the process of confirming polarity which has been conventionally performed by applying a probe to each element, can be omitted.
- the present invention can be used for a laminated thermoelectric conversion element and a manufacturing method thereof.
- thermoelectric conversion material layer 3 p-type thermoelectric conversion material layer, 4 n-type thermoelectric conversion material layer, 5, 6 outermost surface material layer, 7a, 7b external electrode, 8 shape pattern, 31 1st surface, 32 2nd surface, 91 heat transfer direction, 101 , 102 Laminate type thermoelectric conversion element, 201 large format laminate.
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Abstract
Description
図1~図3を参照して、本発明に基づく実施の形態1における積層型熱電変換素子について説明する。本実施の形態における積層型熱電変換素子101の全体を図1に示す。
図4~図6を参照して、本発明に基づく実施の形態2における積層型熱電変換素子102について説明する。本実施の形態における積層型熱電変換素子102の全体を図4に示す。
ここでは、ドット状の形状パターン8を1個だけ設ける例を示したが、目印の形状パターンは他の形状や配置であってもよい。図5では形状パターンのドットは円形であったが、円形以外の形状であってもよい。目印の形状パターンは、たとえば図7に示すように長方形であってもよい。
図11~図16などを参照して、本発明に基づく実施の形態3における積層型熱電変換素子の製造方法について説明する。本実施の形態における積層型熱電変換素子の製造方法のフローチャートを図11に示す。
次に、工程S4として大判積層体201を分割する。分割の作業はダイシングソーなどの公知技術によって行なえばよい。工程S4では、図14、図15に破線で示したように分割される。
本実施の形態では、大判積層体から分割する前に既に目印が形成されているので、分断された後であっても個々の積層型熱電変換素子における伝熱方向および発電される電気の極性を外見で判別することができる。
p型熱電変換材料の出発原料として、金属Ni粉末、金属Mo粉末を用意した。一方、n型熱電変換材料の出発原料として、La2O3、SrCO3、TiO2を用意した。これらの出発原料を用いて、p型、n型の熱電変換材料を以下の組成となるように秤量した。
Ni0.9Mo0.120wt%+(Sr0.965La0.035)TiO380wt%
n型の組成は、次のとおりである。
(Sr0.965La0.035)TiO3
n型は原料粉末に純水を溶媒として16時間にわたってボールミル混合を行なった。得られたスラリーを乾燥させ、その後大気中で1300℃で仮焼きを行なった。得られたn型の粉末と、p型の粉末原料をそれぞれ5時間にわたってボールミル粉砕を行なった。得られた粉末に有機溶媒、バインダなどを添加してさらに16時間にわたって混合し、得られたスラリーをドクターブレード法でシート状に成形した。これをp型およびn型の「熱電変換材料シート」と呼ぶものとする。
切断した積層体に対して、等方静水圧プレス法にて180MPaで圧着を行ない、成形体を得た。
Claims (4)
- 一定の伝熱方向に関する温度差から発電するように構成された積層型熱電変換素子であって、互いに対向する第1面および第2面を有し、前記第1面および前記第2面には、前記温度差から発電される電気を出力するための外部電極をそれぞれ備え、前記第1面および前記第2面のうち少なくとも一方には、前記伝熱方向のうち高温側/低温側の種別および発電される電気の極性を外見で判別できるような目印が設けられている、積層型熱電変換素子。
- 前記目印は、前記第1面と前記第2面との間で、前記外部電極の位置、サイズ、形状のうち少なくともいずれかが違えてあることである、請求項1に記載の積層型熱電変換素子。
- 前記目印は、前記第1面および前記第2面に設けられた一対の前記外部電極の少なくとも一方の外観に設けられた付加的な形状パターンである、請求項1に記載の積層型熱電変換素子。
- 一定の伝熱方向に関する温度差から発電するように構成された複数個の積層型熱電変換素子を一括して得る製造方法であって、
電気的接続がミアンダ状に続くように、部分的に絶縁層で覆われたp型熱電変換材料層と部分的に絶縁層で覆われたn型熱電変換材料層とを交互に積層して大判積層体を形成する工程と、
前記大判積層体の最上面および最下面のうち少なくとも一方に、前記温度差から発電される電気を出力するための外部電極予定領域が、複数個の積層型熱電変換素子に相当するように予め規定された最外面材料層を積み重ねる工程と、
電解めっきにより、前記外部電極予定領域に外部電極を形成する工程と、
前記大判積層体に積み重ねられた前記最外面材料層が積層型熱電変換素子1個分ずつの領域に分割されるように、前記大判積層体を分断する工程とを含み、
分断された後であっても個々の積層型熱電変換素子における前記伝熱方向のうち高温側/低温側の種別および発電される電気の極性を外見で判別できるような目印または目印の基を、前記分断する工程より前に、前記最外面材料層に形成しておく、積層型熱電変換素子の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015530776A JP6112206B2 (ja) | 2013-08-05 | 2014-07-16 | 積層型熱電変換素子およびその製造方法 |
CN201480044696.6A CN105474416B (zh) | 2013-08-05 | 2014-07-16 | 层叠型热电转换元件及其制造方法 |
US15/005,307 US20160141478A1 (en) | 2013-08-05 | 2016-01-25 | Laminated thermoelectric conversion element and manufacturing method therefor |
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DE102016108694A1 (de) * | 2016-04-26 | 2017-10-26 | Epcos Ag | Vielschichtbauelement und Verwendung von Außenelektroden |
CN111525839A (zh) * | 2020-04-27 | 2020-08-11 | 西安交通大学 | 波浪能和太阳能耦合离子电渗发电装置及发电方法 |
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CN107579149B (zh) * | 2017-09-01 | 2019-11-12 | 华北电力大学(保定) | 纳晶镍的热电性能调控方法 |
JP6870747B2 (ja) * | 2017-09-29 | 2021-05-12 | 株式会社村田製作所 | 熱電変換素子および熱電変換素子の製造方法 |
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JPS63187358U (ja) * | 1987-05-25 | 1988-11-30 | ||
JPH06283765A (ja) * | 1993-03-26 | 1994-10-07 | Mitsubishi Materials Corp | 熱電変換素子 |
JPH08125240A (ja) * | 1994-10-27 | 1996-05-17 | Mitsubishi Materials Corp | 熱電素子の製造方法 |
WO2010058464A1 (ja) * | 2008-11-20 | 2010-05-27 | 株式会社村田製作所 | 熱電変換モジュール |
JP2010267832A (ja) * | 2009-05-15 | 2010-11-25 | Aisin Seiki Co Ltd | 熱電モジュール |
WO2013027661A1 (ja) * | 2011-08-22 | 2013-02-28 | 株式会社村田製作所 | 熱電変換モジュールおよびその製造方法 |
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2014
- 2014-07-16 CN CN201480044696.6A patent/CN105474416B/zh active Active
- 2014-07-16 JP JP2015530776A patent/JP6112206B2/ja active Active
- 2014-07-16 WO PCT/JP2014/068889 patent/WO2015019810A1/ja active Application Filing
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2016
- 2016-01-25 US US15/005,307 patent/US20160141478A1/en not_active Abandoned
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JPS63187358U (ja) * | 1987-05-25 | 1988-11-30 | ||
JPH06283765A (ja) * | 1993-03-26 | 1994-10-07 | Mitsubishi Materials Corp | 熱電変換素子 |
JPH08125240A (ja) * | 1994-10-27 | 1996-05-17 | Mitsubishi Materials Corp | 熱電素子の製造方法 |
WO2010058464A1 (ja) * | 2008-11-20 | 2010-05-27 | 株式会社村田製作所 | 熱電変換モジュール |
JP2010267832A (ja) * | 2009-05-15 | 2010-11-25 | Aisin Seiki Co Ltd | 熱電モジュール |
WO2013027661A1 (ja) * | 2011-08-22 | 2013-02-28 | 株式会社村田製作所 | 熱電変換モジュールおよびその製造方法 |
Cited By (3)
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DE102016108694A1 (de) * | 2016-04-26 | 2017-10-26 | Epcos Ag | Vielschichtbauelement und Verwendung von Außenelektroden |
US11145461B2 (en) | 2016-04-26 | 2021-10-12 | Tdk Electronics Ag | Multilayer component and use of outer electrodes |
CN111525839A (zh) * | 2020-04-27 | 2020-08-11 | 西安交通大学 | 波浪能和太阳能耦合离子电渗发电装置及发电方法 |
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JP6112206B2 (ja) | 2017-04-12 |
CN105474416B (zh) | 2018-01-16 |
JPWO2015019810A1 (ja) | 2017-03-02 |
US20160141478A1 (en) | 2016-05-19 |
CN105474416A (zh) | 2016-04-06 |
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