English

Heavyweight Natuer: New progress in the efficiency of perovskite battery modules! Professor Zhang Xiaohong from Suzhou University, an alliance unit, issued a document

156
2024-04-19 16:05:39
See translation

Recently, Professor Zhang Xiaohong and Professor Peng Jun from the Functional Nanomaterials and Soft Materials Research Institute (FUNSOM) of Suzhou University, along with Professor Mohammad Khaja Nazeeruddin, Professor Paul J. Dyson, Professor Zhaofu Fei, and Professor Ding Yong from North China Electric Power University, collaborated to publish their research findings on Dopant additive synergy enhancement perovskite solar modules in the journal Nature. Peng Jun is the co first author of the paper, and Zhang Xiaohong is the co corresponding author of the paper.

Perovskite solar cells have become the most advanced new thin film photovoltaic technology due to their rapid improvement in efficiency and stability. However, compared with small laboratory scale batteries, the main bottlenecks hindering the commercialization of large-area perovskite battery modules are low efficiency, poor stability, and low repeatability.

In response to the key scientific issues mentioned above, Zhang Xiaohong, Peng Jun, and their collaborators recently adopted a strategy of using methylammonium chloride (MACl) as a dopant and 1,3-bis (cyanomethyl) imidazole chloride ([Bcmim] Cl) as a Lewis alkaline ionic liquid additive to significantly inhibit the degradation of perovskite precursor solutions, reduce MACl aggregation, and thus prepare high-quality perovskite films with oriented growth and excellent crystallization. A steady-state efficiency of 22.97% was achieved on a perovskite battery module with an aperture area of approximately 27.22cm2, successfully breaking the world record for steady-state efficiency of perovskite modules (National Photovoltaic Industry Metrology and Testing Center, NPVM certification). In addition, under working conditions of 65 degrees Celsius, after 1000 consecutive hours of light aging, the efficiency of the perovskite battery module obtained from the test still maintains 87.19% of the initial value, which fully demonstrates its excellent photothermal stability.

More importantly, this work reveals the intrinsic mechanism of the synergistic effect between dopants and additives, namely proton exchange and multi-point interactions, providing a practical and feasible solution for improving the performance of large-area perovskite battery modules.

Title of the article: Dopant-additive synergism enhances perovskite solar modules


Article website: https://www.nature.com/articles/s41586-024-07228-z

Ding, B., Ding, Y., Peng, J. et al. Dopant-additive synergism enhances perovskite solar modules. Nature 628, 299–305 (2024). https://doi.org/10.1038/s41586-024-07228-z

Source: Yangtze River Delta Laser

Related Recommendations
  • Observation of laser power changes in ultrafast protein dynamics

    When researchers at the Max Planck Institute of Medicine conducted their first ultrafast X-ray crystallographic experiment on myoglobin in 2015, they were not aware that they had conducted the wrong experiment. By increasing the power of X-ray free electron lasers to ensure usable diffraction patterns, lead researcher Ilme Schlichting said that they "suddenly entered the wrong [excited] state with...

    2024-02-28
    See translation
  • Google works with magic leap on AR optics and manufacturing

    In the 2010s, Magic leap is one of the most hyped augmented reality companies, with a lot of money, including from Google. When the magic leap one headset was introduced in 2018, it was not a technological breakthrough in display technology that was once derided. Since then, Magic leap has persevered and has now signed a "multifaceted strategic technology partnership" with Google.Google announced ...

    2024-05-31
    See translation
  • Guangfeng Technology releases the world's first versatile laser headlights

    On April 25th, 2024, the Beijing International Auto Show officially opened, and Guangfeng Technology released the world's first ALL-IN-ONE all-around laser headlights.This headlight is the first to integrate multiple functions such as high beam ADB headlights, color changing temperature headlights, fog lights, ground information display, car cinema, etc. into a small volume headlight module, achie...

    2024-04-29
    See translation
  • POSTECH launches a new type of fiber optic fusion splicer FS-23 series

    FOSTEC announced on the 8th that a new type of fiber fusion splicer has been launched. The newly launched FS-23 series is a fusion splicer that can be used for fiber optic operations in long-distance optical networks and CCTV optical networks. It not only has a small size and light weight, but also has a sturdy design and a long-lasting battery, which can provide high-precision performance.A perso...

    2024-01-08
    See translation
  • Diamond Light Source and NPL reach a new five-year agreement

    Recently, two leading UK scientific institutions, Diamond Light Source and National Physical Laboratory (NPL), have reached a new five-year agreement to promote joint collaborative efforts.The agreement was approved by signing a Memorandum of Understanding (MoU), which will bring these two institutions together.Diamond Light Source is a national synchrotron facility in the UK known for generating ...

    2024-04-25
    See translation