Roadmap towards sustainable SHJ solar cell design
نویسندگان
چکیده
Current industrial silicon heterojunction (SHJ) modules use scarce materials such as silver for screen-printed contacts, indium indium-tin-oxide (ITO) transparent conductive oxide (TCO) layers, and bismuth Sn-Bi coated Cu wires low-temperature interconnection. SHJ solar cells more than double the (30.3 mg/W) mainstream passivated-emitter rear cell (PERC) technology. However, most pressing issue is indium, which reduces sustainable manufacturing capacity (SMC) 23.5% efficient to only 26 GW/year if using 20% of current global supplies. With this, panels can contribute less 0.6% towards ITRPV’s broad electrification scenario. Significant changes interconnection design are required enable TW scale manufacturing, well beyond increasing efficiency above 25%. In this study, a potential roadmap process proposed address issues, along with technical challenges interdependencies on device performance SMC. addition, additional tin-bismuth wires/busbars reduce consumption introduce new material challenges, where has lower supply silver. Reducing content could increase SMC but also melting temperature, may pose issues surface passivation reliability.
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ژورنال
عنوان ژورنال: Nucleation and Atmospheric Aerosols
سال: 2023
ISSN: ['0094-243X', '1551-7616', '1935-0465']
DOI: https://doi.org/10.1063/5.0140906