| Feb. 13, 2024, 4:20 p.m. |
Created
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[{"model": "core.projectfund", "pk": 65371, "fields": {"project": 13601, "organisation": 2, "amount": 300701, "start_date": "2016-04-01", "end_date": "2019-03-31", "raw_data": 184227}}]
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| Jan. 30, 2024, 4:25 p.m. |
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[{"model": "core.projectfund", "pk": 58200, "fields": {"project": 13601, "organisation": 2, "amount": 300701, "start_date": "2016-04-01", "end_date": "2019-03-31", "raw_data": 163615}}]
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| Jan. 2, 2024, 4:15 p.m. |
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[{"model": "core.projectfund", "pk": 51044, "fields": {"project": 13601, "organisation": 2, "amount": 300701, "start_date": "2016-04-01", "end_date": "2019-03-31", "raw_data": 138512}}]
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| Dec. 5, 2023, 4:24 p.m. |
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[{"model": "core.projectfund", "pk": 43795, "fields": {"project": 13601, "organisation": 2, "amount": 300701, "start_date": "2016-03-31", "end_date": "2019-03-31", "raw_data": 111375}}]
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| Nov. 27, 2023, 2:15 p.m. |
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{"external_links": []}
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| Nov. 21, 2023, 4:41 p.m. |
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[{"model": "core.projectfund", "pk": 36507, "fields": {"project": 13601, "organisation": 2, "amount": 300701, "start_date": "2016-03-31", "end_date": "2019-03-31", "raw_data": 70769}}]
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| Nov. 21, 2023, 4:41 p.m. |
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[{"model": "core.projectorganisation", "pk": 108057, "fields": {"project": 13601, "organisation": 12176, "role": "LEAD_ORG"}}]
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| Nov. 21, 2023, 4:41 p.m. |
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[{"model": "core.projectperson", "pk": 67886, "fields": {"project": 13601, "person": 14048, "role": "COI_PER"}}]
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| Nov. 21, 2023, 4:41 p.m. |
Created
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[{"model": "core.projectperson", "pk": 67885, "fields": {"project": 13601, "person": 18448, "role": "PI_PER"}}]
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| Nov. 20, 2023, 2:05 p.m. |
Updated
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{"title": ["", "HI-PROSPECTS - HIgh resolution PRinting Of Solar Photovoltaic EleCTrode Structures"], "description": ["", "\nThe research to be carried out by Swansea University is to understand the issues and develop solutions related to up\nscaling the near transparent copper grid to larger sizes. There is a significant challenge in this in that increases in size\nbrings both scientific and engineering challenges. When scaling, issues such as substrate form (which can be ignored at\nsmall scale) become important, substrate stressing due to differential temperature profiles can lead to catastrophic failure\nand thus optimized curing / sintering at small scale will have to be refined as the substrate size increases. In addition the\ntolerance to defects and variations in deposit due to materials or processing conditions (some of which cannot be\ncontrolled) may be insignificant at small scale but become significant as the substrate size increases. As well as process\nand material considerations, there are design consideration. As substrate size increases then there may be a need to alter\nthe nature of the deposited grid such that higher conductor density is required towards the centre of a cell / module as a\ncharge generated at the centre of the cell will have a extended resistive path length to reach an electrode. The optimization\nof this patterning and its impact is to be investigated in the work. Understanding these scale effects such that their impact\ncan be mitigated is critical in developing an engineering solution for large area processing of electrodes. The research\nactivity will address the optimization of the line structure and geometry for large areas through modelling and in parallel\nperform install the system for experimental development of the ESJET over large areas. SPECIFIC will also provide lifetime\ntesting of the PV cells / modules manufactured in order to establish whether the copper grid has any detrimental / beneficial\neffect on PV performance.\nIn order to establish optimal grid patterning simulation software (such as PSPICE) will be used to model the geometries\nand film thicknesses, their effect on the sheet resistance and its subsequent effect on performance of PV cells created\nusing the fine copper patterning. This will take material data from the lab trials and estimate the geometric design and\nprocess windows.\nThe clean room facilities at SPECIFIC provide an ideal test environment where glass substrate > 1m2 are routinely printed\nusing conventional printing techniques. The second main research activity is design and install a larger scale ESJET\nsystem on the glass processing line at SPECIFIC and demonstrate that the copper can be deposited to the substrate over\na large area and that this substrate can be used to create a large area PV cell. This will establish the design of the\ninstallation based on operational / material tolerances, physical layout requirements and operational processing issues. To\ncompliment the deposition requirements of the ESJET copper, the sintering process which will need to be designed and\nimplemented. This provides additional challenges in terms of maintaining consistent energy distributions (thermal and\nphotonic) over a large area. Such a development is non trivial having to take account many complex interacting parameters\nsuch as photonic absorbance, differential thermal expansions, thermal properties and real world intensity variations.\nThe performance and lifetime of the PV cells will be carried out in suite of PV characterization and lifetime testing facilities\nat SPECIFIC. The standards used for these tests (illumination, RH and temperature) will be determined from the relevant\nstandards and in house best practice with perovskite and OPV cells. Control samples using conventional TCOs, Ag grid &\nTCOs combinations will also be used to identify only those degradation routes which can be attributed to the presence of\nthe copper grid.\n\n"], "extra_text": ["", "\n\nPotential Impact:\nThe research carried out by SPECIFIC as part of the project will have a direct short term impact on the partners in the\nproject.\n1. PVI will have a demonstration of their unique ESJET technology at large scale. This will provide them with demonstrators\nand proof that their deposition technology is scalable opening new markets and product areas for ESJET.\n2. NSG will derive important information on the interaction between grid geometries, material properties and resultant sheet\nconductivities. Identifying the means by which surface conductivity can be fine tuned the additional of additional liquid\ncoatings is known to be an important area of research for NSG.\n3. Intrinsiq will derive benefit from the testing of their materials in full functioning third generation PV devices.\n4. All supply chain partners will posses demonstrator samples of their technology being used to create novel technology for\ndecarbonisation of energy supply.\n5. Intrinsiq will derive benefit from the use of alternative sintering technologies on their materials. Take up of copper ink\nmaterials is handicapped by the necessity of a specialised sintering technology and its associated capital cost. As part of\nthe study other photonic sintering (NIR) will also be tested. Capital cost for NIR is approximately 20% of photonic or laser. If\nlower cost sintering technology can be applied, then its impact will be to de-risk copper ink adoption and open the\npossibility for large area low cost circuits\nIn addition to the short term direct impacts, the research will have longer term impacts to a wider industrial audience by\ndemonstrating an alternative additive metal pattering processes using a potentially low cost conductive material which is\ncapable of sub 10 micron features. This has been a barrier to many applications where small feature sizes are required e.g.\nprinted display backplanes, printable logic and "invisible electronics" where basic logic is laid out over a transparent\nsubstrates. No scaleable printing process can readily achieve such features, photo lithography and subtractive processing\nbeing the only mode of manufacture. If the technology is demonstrated on glass as rigid substrate then there is a natural\nprogression for it to extend to flexible substrates. The demonstration offers significant impact with increased production\nrates, larger substrates and less wasteful manufacture leading to new products in displays, healthcare devices and IOT\ndevices.\nIf the technology is shown to be compatible with third generation PV devices (OPV and perovskite) then it will have\nsignificant impact as it will remove a commercial barrier to adoption associated with the cost (and variation in cost) of silver.\nThis will become increasingly important as the perovskite research and fledgling commercial sector begins to move\ntowards module size devices where full circuit conductivity becomes increasingly dominant. Lower reliable sheet resistances may provide an additional impact by allowing simpler monolithic devices to be created in place of the more\ncomplex series connected cells.\n\n\n"], "status": ["", "Closed"]}
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| Nov. 20, 2023, 2:05 p.m. |
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{"external_links": [54077]}
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| Nov. 20, 2023, 2:05 p.m. |
Created
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[{"model": "core.project", "pk": 13601, "fields": {"owner": null, "is_locked": false, "coped_id": "a931e54f-da28-4093-a638-8737368c8429", "title": "", "description": "", "extra_text": "", "status": "", "start": null, "end": null, "raw_data": 70752, "created": "2023-11-20T13:50:59.898Z", "modified": "2023-11-20T13:50:59.898Z", "external_links": []}}]
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