The State Key Laboratory of Photovoltaic Photovoltaic Science and Technology (hereinafter referred to as Trina Solar's State Key Laboratory) announced that it has independently developed large-area (156×156mm2) industrial grade polycrystalline solar cells as tested by a third-party authority. And P-type and N-type single crystal solar cells set a new world record. This shows that Trina Solar has achieved world-leading status in both high-efficiency polycrystalline and P-type single-crystal and N-type single crystal batteries.
The Tianhe Solar Energy State Key Laboratory's world record polysilicon battery uses superimposed high-efficiency battery technology and high-efficiency polycrystalline ingot casting technology. Tested by China National Center for Photovoltaic Product Quality Supervision and Inspection, it achieved a photoelectric conversion efficiency of up to 20.53% on an industrial-grade large-area square polysilicon (156×156 mm2) substrate.
Monocrystalline solar cells are classified into P type and N type. Trina Solar's highly efficient P-type battery with its world record has advanced backside passivation technology and excellent light trapping technology. Germany's authoritative Photovoltaic Research Institute-Fraunhofer ISE test calibration laboratory confirmed that it achieved a photoelectric conversion efficiency of 21.4% on a large-area Cz wafer (156×156 mm2) substrate, which was broken in April this year by the German ISFH Institute. The world record of 21.2%. In terms of N-type cells, Trina Solar’s ​​R&D personnel obtained a high-efficiency device structure with an interdigitated back-contact (IBC) cell and advanced metallization process on a 156×156 mm2 phosphorus-doped Cz substrate. 22.9% conversion efficiency. This result has just been independently confirmed by JET, the Japan Institute of Electrical and Security Environment, and is the world record for the new photoelectric conversion rate of 156x156mmmm class 2 IBC batteries. This is another milestone breakthrough made by Trina Solar since the small-area IBC battery developed jointly with the Australian National University reached 24.4% in the industry this year, marking the world's leading level of IBC batteries in the industrialization process. An important step.
“We are very pleased to announce the latest achievements made by researchers in the State Key Laboratory of Photovoltaic Science and Technology,†said Dr. Pierre Verlinden, VP of Trina Solar, chief scientist. “Although these technologies are not currently used in commercial production, They will be integrated into Honey Plus and IBC products in the future, and our goal is to apply laboratory technology to commercial production while continuing to innovate, thereby further reducing the cost of photovoltaic power generation and making solar energy available to all. Innovation is the core element of Trina Solar's sustainable development and its success. Trina Solar is committed to building world-class R&D and innovation capabilities, thereby consolidating its leadership in global PV manufacturing.â€
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