Solar Technology & PV R&D News

Perovskite Dual PV-LED Hits 26.7% PCE, 31% EQE
A single perovskite diode turns light into power—and power back into brilliant LEDs—thanks to porous alumina “sponge” islands that slash recombination, boosting solar efficiency and LED brightness.
May 1, 2026 // Technology, perovskite, efficiency, University of Colorado Boulder, University of Science and Technology of China
Risen Energy Hits 31.95% Efficiency in HJT-Perovskite Tandems
Risen Energy hits 31.95% certified efficiency for its HJT-silicon/perovskite tandem on 1 cm²—1.988V open-circuit. Uniform perovskite layers via water-bath SAM boost transport and cut defects.
Apr 28, 2026 // Technology, perovskite, Risen Energy, efficiency
Donor–acceptor SAMs lift inverted perovskite efficiency to 25%
Co-assembled SAMs for inverted perovskite solar cells: pair Me4 with new donor–acceptor LYS-H/LYS-F to boost hole extraction, cut recombination, and deliver 25.02% efficiency.
Mar 31, 2026 // Technology, perovskite, efficiency, Soochow University, National Taiwan University, Chang Gung University
Japan Consortium Tests Floating Data Centre in Yokohama
Japan’s Yokohama floating data-center pilot tests modular compute at sea, using seawater cooling to cut heat and ease land scarcity near ports—boosting AI-ready capacity with efficient thermal performance.
Mar 26, 2026 // Technology, Plants, Japan, Asia, cooling, data centres, floating infrastructure, Yokohama
Black Phosphorene Pushes Perovskites to 30%—In Simulation
Black phosphorene turbocharges MAPbI3 perovskites: dual-interface insertion lifts simulated efficiency to 30%, tuning band alignment, quashing recombination, and speeding extraction—an actionable blueprint for ultra-low-loss PSCs.
Mar 12, 2026 // Technology, perovskite, efficiency, Fujian University of Technology
AI Tunes Perovskite Solar Windows to Any Hue
AI inverse-designed ZnS/MgF2 coatings paint perovskite solar cells in user-defined colors with minimal loss, boosting PCE on glass and PET—opening sharper-colored solar windows and auto glazing.
Mar 3, 2026 // Technology, perovskite, efficiency, Hyundai Motor Group, Kyung Hee University
HL220 Interlayer Lifts Inverted Perovskites Above 26%
HL220 supercharges inverted perovskite cells: smoother interfaces, faster electrons, 26.44% PCE, 85.2% FF, 22.93% on 15 cm²—94.1% retained after 450 hours. Alcohol-processable, silver-synergistic, scale-ready.
Feb 23, 2026 // Technology, perovskite, efficiency, Shenzhen University, Ocean University of China
The Rapid Evolution of Direct Current Fast Charging for Electric Vehicle Fleets
Feb 17, 2026 // Technology, Opinions, Transport, Press releases
SolaEon Sets 27.87% Perovskite Cell Record
SolaEon hits certified 27.87% perovskite record, nears theoretical limit; tandem tops 31%, and meter-scale modules reach 25%+ stabilized—mass production hurdles next.
Jan 30, 2026 // Technology, solar cell, perovskite, efficiency, SolaEon
Sungrow’s PowerTitan 3.0 Targets Europe’s Grid Crunch
Sungrow’s PowerTitan 3.0 hits Europe: containerized, liquid‑cooled battery with grid‑forming control, EMS/SCADA fleet dispatch and lifecycle guarantees for 2–4‑hour FFR, arbitrage and congestion relief.
Jan 29, 2026 // Technology, Storage, Sungrow, Battery Storage, Europe, utility scale, grid forming
Lead Powder Delivers 24% Durable Sn–Pb Perovskites
Tin–lead perovskite hits 24.07% without SnF2: metallic lead + PbF2 boost crystallization and stability, retaining 60% output after 550h at 85°C—tandem-ready durability reported in Nature Communications.
Jan 27, 2026 // Technology, China, Asia, perovskite, efficiency
Polarized Solvents Lift Stable Inverted Perovskites to 26.4%
Polarized-solvent tweak sets new 26.4% record for inverted perovskites. Fluorinated polymer tames crystallization, delivers pinhole-free films, 1,000-hour stability, and scalable manufacturing promise.
Jan 26, 2026 // Technology, China, Asia, perovskite, efficiency
Longi Slumps as Another Year of Loss Looms
Longi slumps on fresh loss warning, but a 2026 price rebound beckons. Cost relief and a silver-to-base-metal shift hint at margin repair as China tames overcapacity; Tongwei also bleeds.
Jan 19, 2026 // Technology, Markets & Finance News, LONGi
Perovs Sets 20.87% Record for Large Perovskites
Perovs hits TÜV-certified 20.87% efficiency on mass-produced large-area perovskite modules, 150.26 W, as it scales from a 100 MW pilot to a 1 GW plant and GW-level base.
Jan 14, 2026 // Technology, efficiency, Perovskite Solar, Perovs
Mellow Energy Hits 21.13% on 30x30cm Flexible Perovskite
Mellow Energy’s 30×30 cm flexible perovskite hits TÜV NORD–certified 21.13% efficiency, a size-class record, accelerating real-world pilots from gadgets to vehicles, aerospace and satellites toward rapid commercialization.
Jan 13, 2026 // Technology, Mellow Energy, Flexible Perovskite