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Light redirecting film to improve heterojunction solar module performance – pv magazine International


The Finnish know-how firm Clever Management Methods has developed a light-weight redirecting movie that supposedly reduces power loss within the facet space of ​​heterojunction photo voltaic cells. It claims that the movie can improve the facility conversion effectivity of a heterojunction module by as much as 0.75%.

Primarily based in Finland properly controlling Methods Ltd. current a brand new gentle redirecting movie that’s reported to enhance the facility yield of a heterojunction (HJT) photo voltaic panel by 3.8%.

Referred to as Photo voltaic energy Optics (search engine marketing)the patented movie is ready, in response to the producer, to cut back losses on THE BORDER space of ​​heterojunction photo voltaic cells. “By making use of the search engine marketing movie contained in the HJT module’s entrance glass, gentle is redirected from the much less environment friendly sides to the extra environment friendly areas of the cells,” the corporate stated in a press release. .

The brand new product continues to be not on the market. “We have now simply entered the pilot manufacturing part with our newest technology of search engine marketing movie,” stated firm CEO Keimo Kalliosaari. pv journal.

the Fraunhofer Institute with Photo voltaic energy Methods (Fraunhofer ISE) examined the movie on a number of panels based mostly on two totally different configurations of search engine marketing and M6 half-cut HJT photo voltaic cells with 1.7 mm cells and a couple of mm string gaps . “The photo voltaic cells within the take a look at are used out of the field, with out additional modification or modification,” the corporate specified.

In response to Clever Management Methods, testing confirmed that modules with two totally different search engine marketing architectures noticed their energy conversion effectivity improve by 0.66% and 0.75%, respectively, which is alleged to be equal to a 3.3 % and 3.8 % electrical energy yield progress.

“The end result present that THE Functions on search engine marketing MOVIES on a 120 or 144cell modules, with 2 mm cell gaps and a white again sheet, cthe GIVING the effectivity To advertise on 2.6 % relative improvement, or BOTH energy courses,” stated the producer.as the progress on clear bifacial modules or ALTERNATIVES on THE there is no such thing as a hole SOLUTIONS in the intervening time utilized by means of the others modules producers, THE effectivity income CAN Violators 3.5%.”

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