CN202978757U - Thermoelectricity-piezoelectricity compound type flexible micro power generation device - Google Patents
Thermoelectricity-piezoelectricity compound type flexible micro power generation device Download PDFInfo
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- CN202978757U CN202978757U CN 201220644717 CN201220644717U CN202978757U CN 202978757 U CN202978757 U CN 202978757U CN 201220644717 CN201220644717 CN 201220644717 CN 201220644717 U CN201220644717 U CN 201220644717U CN 202978757 U CN202978757 U CN 202978757U
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Abstract
The utility model discloses a thermoelectricity-piezoelectricity compound type flexible micro power generation device. The device comprises a thermo terminal flexible slice, a cold terminal flexible slice, flexible thermoelectricity fluted sheets and band shape piezoelectric modules double the number of the flexible thermoelectricity fluted sheets; whole sheet of the flexible thermoelectricity fluted sheets are clamped between the thermo terminal flexible slice and the cold terminal flexible slice and are pasted into one body; and inner surfaces of the thermo terminal flexible slice and the cold terminal flexible slice are pasted with a plurality of band shape piezoelectric modules parallel to each other, the band shape piezoelectric modules are arranged by equal distance, and the band shape piezoelectric modules are pasted in fluted intervals formed between the flexible thermoelectricity fluted sheet and the thermo terminal flexible slice or the cold terminal flexible slice. The device develops a coupling power generating technology capable of simultaneously collecting thermo energy and mechanical energy in environment, per unit volume energy output of micro power generating member is increased, and the compound type micro power generating member with compact structure and long term service is provided. The device aims to satisfy long-term service power supply demand of a body internal implanted medical apparatus.
Description
Technical field
The utility model relates to a kind of vivo implantation type Blast Furnace Top Gas Recovery Turbine Unit (TRT), relates in particular to a kind of thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible.
Background technology
(IMDs) is of a great variety for the implantable medical device, and be of many uses, plays an important role in the modern medical service technology, and common comprises: cardiac pacemaker, defibrillator, drug efflux pump, monitor etc.The general needs of the long-term normal operation of vivo implantation type medical treatment device are reliable, stable, lasting, sufficient power supply is given security, and current main employing lithium battery is as its power supply.Yet in the limited situation of implantable medical device overall space, the limited electric weight of Miniature lithium cell often can not satisfy the even above requirement in 10 years of the needed permanent supply of medical treatment device in vivo.Because implantable medical device is changed in electric energy exhaustion, need to carry out operation, brought misery and financial burden again to patient.As seen, exploitation can reach the power supply technique of vivo implantation type medical treatment device long service requirement, and is significant.
Current, except lithium battery, the novel method of supplying power to that is used for implantable medical device mainly contains: (a) nuclear battery, (b) biological fuel cell, (c) wireless energy transfer method, (d) collection of energy and electricity-generating method.Adopt the nuclear battery power supply to have the high advantage of energy density, but its fail safe of working in vivo and expensive price limit thereof its application in implantable medical device.Biological fuel cell utilizes the materials such as glucose in organism to act as a fuel, and carries out chemical reaction and produce voltage under the effect of enzyme or catalyst; But because catalyst life is limited, and the fail safe that the product brought of biological fuel cell long-term work causes is worried, and biological fuel cell is difficult to satisfy the long-term requirement of implantable medical device at present.Wireless energy transmission technology charges to the vivo implantation type power supply by wireless transmission methods such as electromagnetic wave, electromagnetic coupled, ultrasonic wave, light waves or directly power supply, adopt the method often to need patient to wear for a long time outside additional mechanism providing additional operation, make troubles for patient's daily life and activity, and the long-term radiation such as electromagnetic wave also require study to whether the work of implantable medical device and tissue be influential.And biological vivo implantation type collection of energy and electricity-generating method, without any need for external device (ED), directly heat energy or the mechanical energy in collection body is generated electricity, and has clear superiority and application potential.
The processes such as the temperature difference in organism and breathing, muscle stretching, extension, blood flow, heartbeat are all containing abundant lasting heat energy or mechanical energy, in the collection of biological body, heat energy and mechanical energy are generated electricity, in theory can be for implantable medical device provide permanent power source, thus the long service problem of implantable medical device fundamentally solved.Adopt thermoelectric material directly the temperature difference in body to be converted into electric energy, have reliable, lasting, integrated level is high and the characteristics such as movement-less part, is suitable for the implantable medical device power supply; And utilize piezoelectric the motion mechanical energy of organism can be converted into electric energy.Some researchs are attempted utilizing thermoelectric material or piezoelectric exploitation microminiature energy harvester and are used for the implantable medical device power supply, but do not find yet so far energy harvester is widely used in the relevant report of implantable medical device power supply.
Can find from the research report of existing microminiature energy harvester, the microminiature energy harvester still can not satisfy the power demands of implantable medical device well at present.The main problem that exists has:
(1) generated output of current little power-generating member is not satisfactory, often can not satisfy the power demands of implantable medical device;
(2) in view of the implantating biological environment, little power-generating member should adopt flexible structure, be generally the fexible film structure, but consider the temperature difference needs of thermoelectricity conversion, have the fexible film structure now and be difficult to realize exchange and guarantee certain temperature difference with bioenvironmental available heat on every side.
In order to develop compound little power-generating member of a kind of compact conformation, energy long service, can be effectively heat energy and the mechanical energy in biotic environment in collection body simultaneously, and then the development and the application that promote and expand implantable medical device, it is very necessary improving for existing microminiature energy collection technology.
Summary of the invention
For the lower deficiency of generated output that overcomes little power-generating member, the purpose of this utility model is to provide a kind of thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible.The thermoelectricity functional structure is designed to corrugated, has increased integral thickness and the temperature difference, and kept structural flexibility; Inner surface at hot junction and cold junction flexible flake adheres to the banded piezo electric module that is parallel to each other, and banded piezo electric module adheres to the interval that corrugated flexible thermal Electricity Functional structure and hot junction or cold junction flexible flake form, and has improved space availability ratio.This device is interior temperature difference heat energy and the mechanical energy of collection body simultaneously, has increased the unit volume Energy output of little power-generating member, and compound little power-generating member of a kind of compact conformation, energy long service is provided.
Basic principle of the present utility model is:
Thermoelectric material can utilize Seebeck (Seebeck) effect that heat energy is directly changed into to be electric energy, by reasonable selection between thermal source and cold junction with arrange N-type and P type thermoelectric arm, can produce voltage at the thermocouple two ends.Because single thermocouple energy output is too low, the mode of general employing the " hot road is in parallel; the circuit series connection " design one group of thermocouple and arranges the electrothermal module that forms the single row or multiple rows array type, based on the thermoelectric device of thermoelectric material making have operate steadily, the advantages such as quiet noiseless, safe and reliable, life-span length.Owing to there being the temperature difference in organism, utilizing the microminiature thermoelectric device temperature difference heat energy in body can be converted into electric energy, and then be used for the implantable medical power supply.
Piezoelectric is done the used time voltage can occur between both ends of the surface being under pressure, thereby can realize the mutual conversion of mechanical energy and electric energy.Adopt piezoelectric can make sensor element, acoustic wave transducer and actuator.Owing to extensively existing pressure and vibration in organism, utilize the microminiature piezo-electric device mechanical energy in body can be converted into electric energy, and then be used for the implantable medical power supply.
The utility model has fully utilized the characteristic of thermoelectric material and piezoelectric, towards the vivo implantation type operational environment, designed a kind of thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible, simultaneously temperature difference heat energy and the mechanical energy in the organism-absorbing body, and be converted into electric energy, and guaranteed structural flexibility.
The technical scheme that its technical problem that solves the utility model adopts is:
The utility model comprises hot junction flexible flake, cold junction flexible flake, flexible thermal electricity corrugated plate and doubles the banded piezo electric module of flexible thermal electricity corrugated plate ripple number; Full wafer flexible thermal electricity corrugated plate is clipped between hot junction flexible flake and cold junction flexible flake and bonding being integral; Hot junction flexible flake and cold junction flexible flake area equate and are parallel to each other; The inner surface of hot junction flexible flake is stained with many banded piezo electric module that are parallel to each other and equidistantly arrange, and banded piezo electric module adheres to the ripple interval of flexible thermal electricity corrugated plate and the formation of hot junction flexible flake; The inner surface of cold junction flexible flake is stained with many banded piezo electric module that are parallel to each other and equidistantly arrange, and banded piezo electric module adheres to the ripple interval of flexible thermal electricity corrugated plate and the formation of cold junction flexible flake.
Described its corrugated flexible carrier upper surface of flexible thermal electricity corrugated plate is covered with many corrugated ribbon shape thermal electric films along the ripple direction; Be parallel to each other between many corrugated ribbon shape thermal electric films and equidistant gap arrangement; Every corrugated ribbon shape thermal electric film alternately connects to form by the P type thermal electric film of step and the N-type thermal electric film of step; P type thermal electric film and N-type thermal electric film are bordered in the abutting edge of flexible thermal electricity corrugated plate and hot junction flexible flake or cold junction flexible flake; P type thermal electric film in adjacent corrugations band shape thermal electric film and N-type thermal electric film alternative arrangement.
Described every ribbon piezo electric module supports by the rectangle piezo electric module and a plurality of micro-cantilever piezoelectric unit forms; The rectangle piezo electric module is supported for the rectangle frame that adheres to hot junction flexible flake or cold junction flexible flake inboard, and the inboard that the rectangle piezo electric module supports is manufactured with the micro-cantilever piezoelectric unit that is parallel to each other; The micro-cantilever piezoelectric unit is comprised of piezoelectricity function film and metal cantilever beam, and the upper surface of metal cantilever beam and lower surface all are manufactured with one deck piezoelectricity function film.
Described hot junction flexible flake and cold junction flexible flake are made by the thermal conductivity flexible thin slice, and thickness is 0.2～0.5mm.
Described corrugated flexible carrier is made by adiabatic insulating material, and thickness is 0.1～0.2mm.
The beneficial effect that the utlity model has is:
The utility model has fully utilized the good characteristic of thermoelectric material and piezoelectric, has designed the compound little Blast Furnace Top Gas Recovery Turbine Unit (TRT) based on thermoelectric effect and piezoelectric effect.The utility model adopts corrugated thermoelectricity functional structure, has both realized that there is the larger temperature difference in cold and hot end, had guaranteed again structural flexibility.The utility model has developed a kind of coupled electricity-generation technology that can collect simultaneously heat energy and mechanical energy in environment, has increased the unit volume Energy output of little power-generating member, provide a kind of compact conformation, can long service compound little power-generating member.This technology has important using value in the implantable medical technology in vivo mainly for the long service power demands of vivo implantation type medical treatment device.
Description of drawings
Fig. 1 is the thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) overall structure of piezoelectricity composite-type flexible schematic three dimensional views.
Fig. 2 is the thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) overall structure of piezoelectricity composite-type flexible two-dimensional representation.
Fig. 3 is the hot junction flexible flake in thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible and the banded piezo electric module structural representation that adheres to its inboard.
Fig. 4 is the cold junction flexible flake in thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible and the banded piezo electric module structural representation that adheres to its inboard.
Fig. 5 is the micro-cantilever piezoelectric unit structural representation in thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible.
Fig. 6 is the flexible thermal electric wave line chip architecture schematic diagram in thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible.
Fig. 7 is the output circuit schematic diagram of thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible.
In figure: 1. hot junction flexible flake, 2. cold junction flexible flake, 3. flexible thermal electricity corrugated plate, 4. banded piezo electric module, 5. the rectangle piezo electric module supports, 6. micro-cantilever piezoelectric unit, 7. piezoelectricity function film, 8. metal cantilever beam, 9. corrugated flexible carrier, 10.P the type thermal electric film, 11.N type thermal electric film.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, thermoelectricity described in the utility model-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible banded piezo electric module 4 of comprising hot junction flexible flake 1, cold junction flexible flake 2, flexible thermal electricity corrugated plate 3 and doubling flexible thermal electricity corrugated plate 3 ripple numbers forms; Bonding being integral of mode that full wafer flexible thermal electricity corrugated plate 3 is clipped between hot junction flexible flake 1 and cold junction flexible flake 2 and adopts heat conductive insulating; Hot junction flexible flake 1 and cold junction flexible flake 2 areas equate and are parallel to each other; The inner surface of hot junction flexible flake 1 is stained with many banded piezo electric module 4 that are parallel to each other and equidistantly arrange, banded piezo electric module 4 adheres to the ripple interval of flexible thermal electricity corrugated plate 3 and 1 formation of hot junction flexible flake, take full advantage of this clearance space, number and the flexible thermal electricity corrugated plate 3 ripple numbers of banded piezo electric module 4 that stick to hot junction flexible flake 1 inner surface are consistent; The inner surface of cold junction flexible flake 2 is stained with many banded piezo electric module 4 that are parallel to each other and equidistantly arrange, banded piezo electric module 4 adheres to the ripple interval of flexible thermal electricity corrugated plate 3 and 2 formation of cold junction flexible flake, take full advantage of this clearance space, number and the flexible thermal electricity corrugated plate 3 ripple numbers of banded piezo electric module 4 that stick to cold junction flexible flake 2 inner surfaces are consistent.
As shown in Figure 6, flexible thermal electricity corrugated plate 3 its corrugated flexible carrier 9 upper surfaces are covered with many corrugated ribbon shape thermal electric films along the ripple direction; Be parallel to each other between many corrugated ribbon shape thermal electric films and equidistant gap arrangement; Every corrugated ribbon shape thermal electric film alternately connects to form by the P type thermal electric film 10 of step and the N-type thermal electric film 11 of step; P type thermal electric film 10 and N-type thermal electric film 11 are bordered in the abutting edge of flexible thermal electricity corrugated plate 3 and hot junction flexible flake 1 or cold junction flexible flake 2; P type thermal electric film 10 in adjacent corrugations band shape thermal electric film and N-type thermal electric film 11 alternative arrangements.P type thermal electric film 10 in every corrugated ribbon shape thermal electric film and N-type thermal electric film 11 are series connection on circuit; The both ends of corrugated ribbon shape thermal electric film are respectively P type thermal electric film 10 and N-type thermal electric film 11, adopt wires to be connected with the N-type thermal electric film 11 of adjacent corrugations band shape thermal electric film end the P type thermal electric film 10 of an end, and adopt wires to be connected with the P type thermal electric film 10 of opposite side adjacent corrugations band shape thermal electric film end the N-type thermal electric film 11 of the other end, by this connected mode, whole corrugated ribbon shape thermal electric films are connected on circuit, two termination wires of whole series circuit are drawn.By the bonding heat transfer of heat conduction, P type thermal electric film 10 and N-type thermal electric film 11 and cold junction flexible flake 2 be bonding and copper plating film heat transfer by heat conduction with hot junction flexible flake 1 for P type thermal electric film 10 and N-type thermal electric film 11.Every P type thermal electric film 10 and coupled N-type thermal electric film 11 form a thermoelectric unit, and an end is connected with 1 heat conduction of hot junction flexible flake, and the other end is connected with 2 heat conduction of cold junction flexible flake, and thermoelectric unit produces voltage under the effect of two ends temperature difference.P type thermal electric film 10 and N-type thermal electric film 11 in flexible thermal electricity corrugated plate 3 form a plurality of thermoelectric units, and form the thermoelectric unit array of " hot road is in parallel, the circuit series connection ".Hot junction flexible flake 1, cold junction flexible flake 2 have formed the electrothermal module in thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible together with flexible thermal electricity corrugated plate 3.
As Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, every ribbon piezo electric module 4 forms by the support 5 of rectangle piezo electric module and a plurality of micro-cantilever piezoelectric unit 6; The rectangle piezo electric module supports 5 for adhering to the rectangle frame of hot junction flexible flake 1 or cold junction flexible flake 2 inboards, and the rectangle piezo electric module supports 5 inboard and is manufactured with a plurality of micro-cantilever piezoelectric units 6 that are parallel to each other; Micro-cantilever piezoelectric unit 6 is comprised of piezoelectricity function film and metal cantilever beam 8, and the upper surface of metal cantilever beam 8 and lower surface all are manufactured with one deck piezoelectricity function film 7.Metal cantilever beam 8 is vibration-generating under the effect of the vibration of external environment and alternating pressure, and then piezoelectricity function film 7 produces alternating voltage under effects of strain.Each piezoelectricity function film 7 all connects rectifier, interchange is transferred to carry out the circuit series connection after direct current again.Many banded piezo electric module 4 that adhere to hot junction flexible flake and cold junction flexible flake inner surface have formed the piezo electric module in thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, hot junction flexible flake 1 and cold junction flexible flake 2 are made by the thermal conductivity flexible thin slice, and thickness is 0.2～0.5mm.As shown in Figure 6, corrugated flexible carrier 9 is made by adiabatic insulating material, and thickness is 0.1～0.2mm.
Thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible need to be arranged in the position with larger temperature gradient, and guarantee that the temperature gradient direction is vertical with little Blast Furnace Top Gas Recovery Turbine Unit (TRT), and the position of hot junction flexible flake 1 contact is higher than the position temperature of cold junction flexible flake 2 contacts, and then poor in the two ends formation temperature of flexible thermal electricity corrugated plate 3.
Due to the unsteadiness of circumstance of temperature difference and vibration, the voltage that thermoelectric unit and piezoelectric unit produce should not be directly used in power supply.As shown in Figure 7, after the conditioning and control of the electric energy that the little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of thermoelectricity-piezoelectricity composite-type flexible produces through output circuit, then power to the load.The output of electrothermal module needs the DC-DC conversion, and the output of piezo electric module needs rectification AC-DC conversion, and two modules power to the load after the output after conversion is again by power storage and control circuit.
Claims (5)
1. thermoelectricity-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible is characterized in that: comprise hot junction flexible flake (1), cold junction flexible flake (2), flexible thermal electricity corrugated plate (3) and double the banded piezo electric module (4) of electric corrugated plate (3) the ripple number of flexible thermal; Full wafer flexible thermal electricity corrugated plate (3) is clipped between hot junction flexible flake (1) and cold junction flexible flake (2) and bonding being integral; Hot junction flexible flake (1) and cold junction flexible flake (2) area equate and are parallel to each other; The inner surface of hot junction flexible flake (1) is stained with many banded piezo electric module (4) that are parallel to each other and equidistantly arrange, and banded piezo electric module (4) adheres to the ripple interval of flexible thermal electricity corrugated plate (3) and hot junction flexible flake (1) formation; The inner surface of cold junction flexible flake (2) is stained with many banded piezo electric module (4) that are parallel to each other and equidistantly arrange, and banded piezo electric module (4) adheres to the ripple interval of flexible thermal electricity corrugated plate (3) and cold junction flexible flake (2) formation.
2. a kind of thermoelectricity according to claim 1-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible is characterized in that: described its corrugated flexible carrier (9) upper surface of flexible thermal electricity corrugated plate (3) is covered with many corrugated ribbon shape thermal electric films along the ripple direction; Be parallel to each other between many corrugated ribbon shape thermal electric films and equidistant gap arrangement; Every corrugated ribbon shape thermal electric film alternately connects to form by the P type thermal electric film (10) of step and the N-type thermal electric film (11) of step; P type thermal electric film (10) and N-type thermal electric film (11) are bordered in the abutting edge of flexible thermal electricity corrugated plate (3) and hot junction flexible flake (1) or cold junction flexible flake (2); P type thermal electric film (10) in adjacent corrugations band shape thermal electric film and N-type thermal electric film (11) alternative arrangement.
3. a kind of thermoelectricity according to claim 1-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible is characterized in that: described every ribbon piezo electric module (4) supports (5) and a plurality of micro-cantilever piezoelectric unit (6) composition by the rectangle piezo electric module; The rectangle piezo electric module supports (5) for adhering to the inboard rectangle frame of hot junction flexible flake (1) or cold junction flexible flake (2), and the inboard that the rectangle piezo electric module supports (5) is manufactured with the micro-cantilever piezoelectric unit (6) that is parallel to each other; Micro-cantilever piezoelectric unit (6) is comprised of piezoelectricity function film and metal cantilever beam (8), and the upper surface of metal cantilever beam (8) and lower surface all are manufactured with one deck piezoelectricity function film (7).
4. a kind of thermoelectricity according to claim 1-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible, it is characterized in that: described hot junction flexible flake (1) and cold junction flexible flake (2) are made by the thermal conductivity flexible thin slice, and thickness is 0.2～0.5mm.
5. a kind of thermoelectricity according to claim 1-little Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectricity composite-type flexible, it is characterized in that: described corrugated flexible carrier (9) is made by adiabatic insulating material, and thickness is 0.1～0.2mm.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931879A (en) * | 2012-11-28 | 2013-02-13 | 浙江大学 | Thermoelectric-piezoelectric combined flexible micro-generating device |
| US10141492B2 (en) | 2015-05-14 | 2018-11-27 | Nimbus Materials Inc. | Energy harvesting for wearable technology through a thin flexible thermoelectric device |
| US10290794B2 (en) | 2016-12-05 | 2019-05-14 | Sridhar Kasichainula | Pin coupling based thermoelectric device |
| US10367131B2 (en) | 2013-12-06 | 2019-07-30 | Sridhar Kasichainula | Extended area of sputter deposited n-type and p-type thermoelectric legs in a flexible thin-film based thermoelectric device |
| US10553773B2 (en) | 2013-12-06 | 2020-02-04 | Sridhar Kasichainula | Flexible encapsulation of a flexible thin-film based thermoelectric device with sputter deposited layer of N-type and P-type thermoelectric legs |
| US10566515B2 (en) | 2013-12-06 | 2020-02-18 | Sridhar Kasichainula | Extended area of sputter deposited N-type and P-type thermoelectric legs in a flexible thin-film based thermoelectric device |
| US11024789B2 (en) | 2013-12-06 | 2021-06-01 | Sridhar Kasichainula | Flexible encapsulation of a flexible thin-film based thermoelectric device with sputter deposited layer of N-type and P-type thermoelectric legs |
| US11276810B2 (en) | 2015-05-14 | 2022-03-15 | Nimbus Materials Inc. | Method of producing a flexible thermoelectric device to harvest energy for wearable applications |
| US11283000B2 (en) | 2015-05-14 | 2022-03-22 | Nimbus Materials Inc. | Method of producing a flexible thermoelectric device to harvest energy for wearable applications |
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2012
- 2012-11-28 CN CN 201220644717 patent/CN202978757U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931879A (en) * | 2012-11-28 | 2013-02-13 | 浙江大学 | Thermoelectric-piezoelectric combined flexible micro-generating device |
| CN102931879B (en) * | 2012-11-28 | 2014-12-17 | 浙江大学 | Thermoelectric-piezoelectric combined flexible micro-generating device |
| US10367131B2 (en) | 2013-12-06 | 2019-07-30 | Sridhar Kasichainula | Extended area of sputter deposited n-type and p-type thermoelectric legs in a flexible thin-film based thermoelectric device |
| US10553773B2 (en) | 2013-12-06 | 2020-02-04 | Sridhar Kasichainula | Flexible encapsulation of a flexible thin-film based thermoelectric device with sputter deposited layer of N-type and P-type thermoelectric legs |
| US10566515B2 (en) | 2013-12-06 | 2020-02-18 | Sridhar Kasichainula | Extended area of sputter deposited N-type and P-type thermoelectric legs in a flexible thin-film based thermoelectric device |
| US11024789B2 (en) | 2013-12-06 | 2021-06-01 | Sridhar Kasichainula | Flexible encapsulation of a flexible thin-film based thermoelectric device with sputter deposited layer of N-type and P-type thermoelectric legs |
| US10141492B2 (en) | 2015-05-14 | 2018-11-27 | Nimbus Materials Inc. | Energy harvesting for wearable technology through a thin flexible thermoelectric device |
| US11276810B2 (en) | 2015-05-14 | 2022-03-15 | Nimbus Materials Inc. | Method of producing a flexible thermoelectric device to harvest energy for wearable applications |
| US11283000B2 (en) | 2015-05-14 | 2022-03-22 | Nimbus Materials Inc. | Method of producing a flexible thermoelectric device to harvest energy for wearable applications |
| US10290794B2 (en) | 2016-12-05 | 2019-05-14 | Sridhar Kasichainula | Pin coupling based thermoelectric device |
| US10516088B2 (en) | 2016-12-05 | 2019-12-24 | Sridhar Kasichainula | Pin coupling based thermoelectric device |
| US10559738B2 (en) | 2016-12-05 | 2020-02-11 | Sridhar Kasichainula | Pin coupling based thermoelectric device |
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