DAS Solar developing 23%-efficient silicon solar cell based on carbon nanotubes
The Chinese module maker said the solar cell was developed with the support of Hebei University. The device uses a carbon nanotube-based hole transport layer that could be used in TOPCon and HJT structures to boost output and reduce complexity.
BYD unveils 14.5 MWh storage system, world’s largest yet
China’s EV giant has unveiled the 14.5 MWh DC “Haohan” single-unit DC block with record-breaking capacity to challenge next-generation energy storage market.
DAS Solar enters back-contact business with 5 GW cell factory
DAS Solar has filed an environmental-impact assessment (EIA) for a 5 GW back-contact (BC) solar cell plant in Guizhou, China, expanding its existing manufacturing operations to supply large-scale and building-integrated PV (BIPV) installations.
Renshine Solar hits 27.5% efficiency for flexible all-perovskite solar cell
Renshine Solar says it has achieved a record 27.5% efficiency for a flexible all-perovskite cell and 23.0% on a 20.26 cm² panel.
JA Solar unveils 650 W TOPCon module for desert PV projects
JA Solar has launched DesertBlue, a 650 W tunnel-oxide passivated contact (TOPCon) module for desert PV projects, featuring self-cleaning glass, reinforced frames, and heat-tolerant design with desert-specific certification.
Jinko edges past Longi in first-half solar shipments as TOPCon dominates
InfoLink Consulting says global module shipments rose 10% to 247.9 GW in the first half of 2025, with JinkoSolar narrowly pushing past Longi and tunnel oxide passivated contact (TOPCon) tech accounting for more than 94% of the total.
Tongwei, Longi, JA Solar announce H1 losses
Tongwei, Longi, and JA Solar have predicted steep losses for the first half of 2025, as persistent oversupply and falling solar module prices continue to pressure margins across China’s PV manufacturing sector.
World’s largest vanadium flow battery goes online in China
A giant solar-plus-vanadium flow battery project in Xinjiang has completed construction, marking a milestone in China’s pursuit of long-duration, utility-scale energy storage.
China to deploy 253 GW of PV for desert control in arid north
China plans to install 253 GW of solar capacity and restore more than 670,000 hectares of degraded land by 2030 under a large-scale desert PV program in its northern and northwestern regions. It aims to curb desertification and expand renewable energy deployment.
Risen Energy hits 740 W average for mass-produced HJT solar module
Risen Energy says it has achieved an average power output of 740 W for its mass-produced heterojunction (HJT) solar module, with certified cell efficiency of 26.61% and module efficiency of 24.81%, according to China’s Fujian Metrology Institute. Encapsulation losses were limited to 1.8%.
