Soressa Abera Chala制备了一种纳米Ag修饰的NiRu双金属LDH纳米片，Ag的修饰增加了多空位（multivacancies），实现了催化位点活性和数量的同时提高。研究表明，这种催化剂同时具有优异的OER和ORR双功能催化性能，起始电位分别为0.21 V和-0.27V，OER（10 mA cm^-2）和ORR（-3 mA cm^-2）电位之间的间隔仅为0.76 V，在过电位为0.31 V的条件下实现10 mA cm^-2的电流密度。

Soressa Abera Chala, Bing-Joe Hwang et al. Site Activity and Population Engineering of NiRu-Layered Double Hydroxide Nanosheets Decorated with Silver Nanoparticles for Oxygen Evolution and Reduction Reactions. ACS Catal. 2018.

https://pubs.acs.org/doi/10.1021/acscatal.8b03092