The Chinese energy and oil company said the cell can be used as a top device in perovksite-silicon tandem configurations. The result was confirmed by the Shanghai Institute of Microsystem and Information Technology (SIMIT).
The headquarters of China National Petroleum Corporation and PetroChina, outside of Dongzhimen, Beijing
Image: Charlie fong, Wikimedia Commons, Public Domain
China National Petroleum Corporation (CNPC) announced it achieved a power conversion efficiency of 25.05% for an inverted perovskite solar cell.
The result was confirmed by the Chinese Academy of Sciences’ Shanghai Institute of Microsystem and Information Technology (SIMIT).
Inverted perovskite cells have a device structure known as “p-i-n”, in which hole-selective contact p is at the bottom of intrinsic perovskite layer i with electron transport layer n at the top. Conventional halide perovskite cells have the same structure but reversed – a “n-i-p” layout. In n-i-p architecture, the solar cell is illuminated through the electron-transport layer (ETL) side; in the p-i-n structure, it is illuminated through the hole‐transport layer (HTL) surface.
CNPC researchers said that by combining the inverted architecture with “dipole-precisely adjustable” interface molecules, they addressed key stability issues, raising the cell’s open-circuit voltage to 1.68 volts.
The company said the cell is intended to serve as the top device in tandem configurations with conventional silicon bottom cells. CNPC reported certified efficiencies of 34% for silicon-perovskite tandem cells and 30% for all-perovskite stacks, although it did not provide further technical details.
CNPC said that modules using the new perovskite technology could reduce the levelized cost of energy (LCOE) to CNY 0.212 ($0.030)/kWh, about 14.5% lower than standard PERC silicon modules.
To scale production, CNPC plans a 100 MW pilot line in 2026, followed by a 5 MW mass production facility in 2028.
Following the creation of CNPC Electric Power in late 2025, Chairman Dai Houliang set a goal for renewable energy capacity to match the group’s oil and gas output by 2035. The initiative is supported by a CNY 10 billion industry fund and government tax incentives for perovskite production.
 
This content is protected by copyright and may not be reused. If you want to cooperate with us and would like to reuse some of our content, please contact: editors@pv-magazine.com.
More articles from Vincent Shaw
Please be mindful of our community standards.
Your email address will not be published. Required fields are marked *
Comment *
Name *
Email *
Website
Save my name, email, and website in this browser for the next time I comment.


Δ
By submitting this form you agree to pv magazine using your data for the purposes of publishing your comment.
Your personal data will only be disclosed or otherwise transmitted to third parties for the purposes of spam filtering or if this is necessary for technical maintenance of the website. Any other transfer to third parties will not take place unless this is justified on the basis of applicable data protection regulations or if pv magazine is legally obliged to do so.
You may revoke this consent at any time with effect for the future, in which case your personal data will be deleted immediately. Otherwise, your data will be deleted if pv magazine has processed your request or the purpose of data storage is fulfilled.
Further information on data privacy can be found in our Data Protection Policy.
Legal Notice Terms and Conditions Data Privacy © pv magazine 2025
Δ
This website uses cookies to anonymously count visitor numbers. View our privacy policy. ×
The cookie settings on this website are set to “allow cookies” to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click “Accept” below then you are consenting to this.
Close

source