JinkoSolar Large-Area N-Type Monocrystalline Silicon Solar Cell Reaches Record-breaking New High Efficiency of 25.25%
01 Jun 2021
SHANGRAO, May 31, 2021 -- JinkoSolar Holding Co., Ltd. ("JinkoSolar" or the "Company") (NYSE:
JKS), one of the largest and most innovative solar module manufacturers in the world, today
announced that the maximum solar conversion efficiency of its large-area N-type
monocrystalline silicon solar cells reached 25.25%, setting a new world record for large-size
contact-passivated solar cells. This result has been independently confirmed by the National
Institute of Metrology, China (“NIM”). It is the third time that JinkoSolar has broken this world
record since July 2020.
JinkoSolar continues to solidify its reputation in R&D and has made industry-leading iterations in
silicon wafers, solar cells and solar modules over the years. Material upgrades integrated into the
cell process and fabrication on a practical size of 267.4cm 2 of high quality monocrystalline
Czochralski (CZ) silicon substrates allowed the Company to achieve 25.25% cell efficiency. To
achieve this extremely high solar cell efficiency using ultra-thin polysilicon, several advanced
technologies have been implemented including JinkoSolar’s high quality N-type wafer,
passivating contact technologies, advanced diffusion system, surface passivation, metallization of
crystalline solar cells and other innovative technologies. This major breakthrough has not only
increased the solar cell’s energy conversion efficiency, but has also paved the way for the
Company’s mass production of N-type TopCon cells.
Mr. Limin Xiong, Researcher of NIM, commented, “As China’s highest research facility of
measurement science, and CNAS Capability Verification provider for solar cells and modules in
Electrical Parameter Testing, NIM is committed to providing consistent, accurate and reliable
data for scientific and technological progress. At present, it has accounted for 80% market share
in third-party calibration services for standard solar cells and innovative solar cells (including
perovskite cells). China aims to reach carbon emissions peak before 2030 and achieve carbon
neutrality by 2060, so the PV industry has been gearing up for even faster growth with LCOE and
solar cell efficiency being the most important factors. I am glad to witness this new world record,
and our teams will continue to cooperate and contribute to the industry through R&D.”
Dr. Hao Jin, Chief Technology Officer of JinkoSolar Co., Ltd., commented, “We are very proud to
have set three world records for the most advanced large-area N-type cell in the world in less
than one year. Maximum cell conversion efficiency improved from 24.79%, to 24.9%, and now to
25.25%, with the latest breakthrough acknowledged by NIM. Each milestone has been a global
recognition of our world-class R&D capabilities for which I’m very grateful to our talented R&D
team. All the R&D we have invested in has been to further our goals of improving cell and
module efficiency and lowering costs. As an industry leader with multiple awards, we are
committed to promoting a carbon neutral future based on technology upgrades that will
accelerate mass production of competitive industrial products, and provide global customers
with more efficient, reliable and clean products.”
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