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Directed assembly of cathode interlayers enables efficient binary organic solar cells

Nature Energy, Published online: 20 October 2026; doi:10.1038/s41560-026-02148-w

Cathode interlayers play a pivotal role in improving the performance of organic solar cells. Yao, Zhang, Zhang, Wang et al. show a stepwise solvent treatment to achieve a vertically aligned cathode interlayer, enabling a certified efficiency of 20.65% in binary organic solar cells.

Best practices for measuring the performance and stability of indoor photovoltaic devices

Nature Energy, Published online: 18 August 2026; doi:10.1038/s41560-026-02101-x

A major challenge for indoor photovoltaics is the absence of harmonized testing protocols, standards, and shared performance benchmarks. This Consensus Statement outlines recommended practices for testing and reporting device performance, power, efficiency and stability.

Author Correction: Durable all-inorganic perovskite tandem photovoltaics

Nature, Published online: 10 August 2026; doi:10.1038/s41586-026-10984-9

Author Correction: Durable all-inorganic perovskite tandem photovoltaics

Electron-Withdrawing Chemistry Drives Ultrafast-Charging Interphases for Sodium-ion Batteries

Energy Environ. Sci., 2026, Accepted Manuscript
DOI: 10.1039/D6EE01449F, Paper
Fu-Qiang Li, Zhichao Li, Dongfang Dong, Cheng Yang, Yu Liu, Yanfeng Gao
Fast charging and long-term cyclability in sodium-ion batteries are fundamentally limited by unstable, ion-transport-limited solid electrolyte interphases (SEI) arising from solvent-dominated Na⁺ solvation structures in conventional carbonate electrolytes. These intrinsic...
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Modulating interfacial ion flux via electrode coatings enables efficient acidic CO2 electrolysis

Energy Environ. Sci., 2026, Advance Article
DOI: 10.1039/D6EE01796G, Paper
Xiaotong Li, Xinhui Guo, Qian Liu, Yunxia He, Youwen Rong, Zijian Tan, Yiyuan Jiang, Zhou Chen, Dunfeng Gao, Guoxiong Wang, Xinhe Bao
Coupling a cation-exchange ionomer with a proton-blocking oxide constructs a K+-enriched alkaline microenvironment for efficient acidic CO2 electrolysis.
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