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Direct Seawater Electrolysis: From Catalyst Design to Device Applications
Hao Fei1,2, Ruoqi Liu1,2, Tong Liu3
1School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong, SAR, 999077, China.
Advanced Materials (Deerfield Beach, Fla.)
|November 2, 2023
Summary
Direct seawater electrolysis (DSE) offers a sustainable path for hydrogen production. Optimizing electrocatalyst design alongside specific DSE devices is crucial for improving performance and overcoming current limitations.
Area of Science:
- * Electrochemistry and Materials Science
- * Renewable Energy Conversion and Storage
Background:
- * Direct seawater electrolysis (DSE) utilizes abundant seawater and renewable electricity for hydrogen production, addressing energy storage and renewable energy volatility.
- * Harsh seawater conditions present significant challenges for electrocatalyst design, leading to unsatisfactory device-level performance.
- * Current research often prioritizes electrocatalyst development over device-specific considerations.
Purpose of the Study:
- * To systematically review recent advancements (2020-2023) in DSE electrocatalysts and devices.
- * To evaluate key challenges, mitigation strategies, and device designs in DSE.
- * To emphasize the need for rational catalyst design tailored to specific DSE device configurations.
Main Methods:
- * Comprehensive literature review of DSE electrocatalysts and devices.
- * Analysis of recent progress, focusing on the period 2020-2023.
- * Evaluation of bottlenecks, strategies, and device designs.
Main Results:
- * Significant challenges exist in simultaneously optimizing activity, stability, and selectivity of DSE electrocatalysts.
- * Device-specific catalyst design is more effective than a one-size-fits-all approach.
- * Progress in DSE technology is hindered by the complex interplay between catalysts and devices.
Conclusions:
- * Rational design of electrocatalysts must be integrated with specific DSE device configurations for practical advancements.
- * Addressing the trade-offs in catalyst performance requires a holistic approach considering the entire DSE system.
- * This review provides a framework for future DSE development by linking catalyst design to device engineering.
