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Defective K 2 Ti 8 O 17 Nanorod Supports Enable Stable High‐Current‐Density Acidic Water Electrolysis via Confinement‐Engineered IrO x (Small 36/2025)

Year: 2025

Type: article

Abstract: Water Electrolysis Featuring a minimal Ir content of 10.89%, this catalyst delivers a 4.4-fold higher mass activity than commercial IrO2. It empowers proton exchange membrane water electrolysis systems (0.3 mg cm−2 Ir loading) to operate stably at 3 A cm−2 (1.79 V) for >550 hours, dynamically adapts to renewable energy fluctuations, and achieves hydrogen production at $0.88 per kg H2. More in article number 2505131, Xiaoxiao Huang, Xiaoyan Luo, and co-workers.

Source: Small

DOI: 10.1002/smll.70437

Authors: Jiaxi Sui, Hao Sun, Fengge Wang, Qiwen Zhang, Shilin Ling, Yali Li, Zhenghan Zhang, Jun Zhong, Xiaoxiao Huang, Bo Zhong, Xiaoyan Luo

Institutions: Harbin Institute of Technology, Nanjing University, Soochow University

Language: English

Topic: Electrocatalysts for Energy Conversion

Subfield: Renewable Energy, Sustainability and the Environment

Field: Energy

Domain: Physical Sciences

SDGs: Affordable and clean energy, Clean water and sanitation

Open Access status: bronze

OpenAlex ID: W4414134306

FWCI:

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