{ "id": 98, "date": "2023-04-13T10:38:27", "date_gmt": "2023-04-13T10:38:27", "guid": { "rendered": "https:\/\/demo.cmssuperheroes.com\/themeforest\/solatec\/?p=98" }, "modified": "2023-08-23T10:26:05", "modified_gmt": "2023-08-23T10:26:05", "slug": "researchers-find-a-more-effective-method-to-recycle-thin-film-cells", "status": "publish", "type": "post", "link": "https:\/\/greenpointsolutions.ro\/en\/researchers-find-a-more-effective-method-to-recycle-thin-film-cells\/", "title": { "rendered": "Researchers find a more effective method to recycle thin-film cells" }, "content": { "rendered": "

Researchers from the Chalmers University of Technology in Sweden have recently developed a new method to recover precious metals from thin-film solar cells efficiently.<\/p>\n

While thin-film cells account for less than 10% of the solar cell market, they demonstrate excellent performance under particular conditions and a broader range of applications attributed to their unique merits against conventional silicon-based crystalline cells, such as bendability and adaptability.<\/p>\n

The production of CIGS cells, a leading variety of thin-film technology, necessitates a high demand for indium and silver. However, this process generates substantial waste, which includes a combination of precious metals and hazardous substances.<\/p>\n

Effectively separating these metals from other substances becomes highly economically and environmentally beneficial, as they can be repurposed for new products.<\/p>\n

“It is crucial to remove any contamination and recycle, so that the material becomes as clean as possible again. Until now, high heat and a large amount of chemicals have been used to succeed, which is an expensive process that is also not environmentally friendly”, said Ioanna Teknetzi, a Ph.D. student at\u00a0the Department of Chemistry and Chemical Engineering<\/a>, who, together with Dr. Burcak Ebin and Dr. Stellan Holgersson published the new study in the journal Solar Energy Materials and Solar Cells.<\/p>\n

The researchers considered both the purity of the recovered materials and the environmental impact during the recycling process. To accomplish this, they used a method called\u00a0leaching<\/strong>\u00a0to separate the metals in the cells. This method consumes much fewer chemicals than traditional methods, making the process “milder” on the environment. Additionally, the researchers have fine-tuned the process to minimize impurities in the recovered indium and silver.<\/p>\n

The study showed that it is\u00a0possible to recover 100% of the silver and about 85% of the indium<\/strong>, which took place at room temperature without adding heat. While it required one day to complete, which is slightly longer than traditional methods, it is more cost-effective and better for the environment.<\/p>\n

“Our hopes are that our research can be used as a reference to optimise the recycling process and pave the way for using the method on a larger scale in the future,” said Dr. Burcak Ebin.<\/p>\n

Details about the study and the new method\u00a0can be found in this journal.<\/a><\/p>\n

Article Source: https:\/\/solarmagazine.com\/<\/p>\n

Photo Source: Chalmers University of Technology<\/p>", "protected": false }, "excerpt": { "rendered": "

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