LONGi Green Energy Technology Co, a leading Chinese PV manufacturer based in Xi'an, has announced two major technological breakthroughs. Its independently developed Hybrid Interdigitated Back Contact (HIBC) solar cell has attained a photoelectric conversion efficiency of 28.13 percent as verified by Germany's Fraunhofer Institute for Solar Energy Systems ISE, setting a new world record.

Meanwhile, modules built upon the HIBC cell have hit an efficiency of 26.4 percent following certification by the National Laboratory of the Rokies, marking another record high.

The conversion efficiency of solar cells is closely linked to the levelized cost of electricity. "Cell conversion efficiency is a landmark metric in the photovoltaic sector," said Li Zhenguo, the company's founder. "Every one-percentage-point gain in efficiency cuts costs by over 5 percent."

The HIBC cell integrates the strengths of multiple existing cell technologies. The company's R&D team has pioneered core technologies including in-situ edge passivation and laser crystallization modification. Through the systematic optimization of structural design, material selection, and manufacturing processes, the product achieves comprehensive improvements in optical performance, interfacial passivation, and carrier transport efficiency.

Taiyang News, a globally authoritative PV industry media outlet, released its ranking of efficiency for mass-produced commercial photovoltaic modules in April. The EcoLife module series developed by LONGi based on HIBC technology claimed the top spot with a mass-production efficiency of 25 percent. This marks the completion of a full industrial chain loop for HIBC cells spanning from laboratory R&D to large-scale commercial application.

With years of intensive development in clean energy, LONGi has now established a full-spectrum clean energy solution covering green power, green hydrogen, and energy storage, driving technological upgrading through innovation.

Li said the company will focus on technological innovation, transform laboratory efficiency breakthroughs into large-volume mass production, deliver more competitive clean energy products to advance the global energy transition, and facilitate the development of a zero-carbon and sustainable green energy ecosystem.