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Tunable Low Density Palladium Nanowire Foams
Chemistry of Materials ( IF 7.2 ) Pub Date : 2017-11-09 00:00:00 , DOI: 10.1021/acs.chemmater.7b03978 Dustin A. Gilbert 1, 2 , Edward C. Burks 1 , Sergey V. Ushakov 3 , Patricia Abellan 4 , Ilke Arslan 5 , Thomas E. Felter 6 , Alexandra Navrotsky 3 , Kai Liu 1
Chemistry of Materials ( IF 7.2 ) Pub Date : 2017-11-09 00:00:00 , DOI: 10.1021/acs.chemmater.7b03978 Dustin A. Gilbert 1, 2 , Edward C. Burks 1 , Sergey V. Ushakov 3 , Patricia Abellan 4 , Ilke Arslan 5 , Thomas E. Felter 6 , Alexandra Navrotsky 3 , Kai Liu 1
Affiliation
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Nanostructured palladium foams offer exciting potential for applications in diverse fields such as catalysts, fuel cells, and particularly hydrogen storage technologies. We have fabricated palladium nanowire foams using a cross-linking and freeze-drying technique. These foams have a tunable density down to 0.1% of the bulk, and a surface area-to-volume ratio of up to 1.54 × 106:1 m−1. They exhibit highly attractive characteristics for hydrogen storage, in terms of loading capacity, rate of absorption, and heat of absorption. The hydrogen absorption/desorption process is hysteretic in nature, accompanied by substantial lattice expansion/contraction as the foam converts between Pd and PdHx.
中文翻译：
可调节的低密度钯纳米线泡沫
纳米结构的钯泡沫为各种领域的应用提供了令人兴奋的潜力，例如催化剂，燃料电池，尤其是储氢技术。我们使用交联和冷冻干燥技术制造了钯纳米线泡沫。这些泡沫的可调密度低至体积的0.1％，表面积与体积之比高达1.54×10 6：1 m -1。它们在负载能力，吸收速率和吸收热方面表现出极富吸引力的储氢特性。氢的吸收/解吸过程本质上是滞后的，随着泡沫在Pd和PdH x之间转换，伴随着大量的晶格膨胀/收缩。
更新日期：2017-11-09
中文翻译：
可调节的低密度钯纳米线泡沫
纳米结构的钯泡沫为各种领域的应用提供了令人兴奋的潜力，例如催化剂，燃料电池，尤其是储氢技术。我们使用交联和冷冻干燥技术制造了钯纳米线泡沫。这些泡沫的可调密度低至体积的0.1％，表面积与体积之比高达1.54×10 6：1 m -1。它们在负载能力，吸收速率和吸收热方面表现出极富吸引力的储氢特性。氢的吸收/解吸过程本质上是滞后的，随着泡沫在Pd和PdH x之间转换，伴随着大量的晶格膨胀/收缩。
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