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Dissolution of platinum: limits for the deployment of electrochemical energy conversion?


ABSTRACT: Platinum stability: Dissolution of Pt, which is one major degradation mechanism in, for example, hydrogen/air fuel cells, was monitored under potentiodynamic and potentiostatic conditions. The highly sensitive and time-resolving dissolution monitoring enables the distinction between anodic and cathodic dissolution processes during potential transient and chronoamperometric experiments, and the precise quantification of the amount of dissolved Pt.

SUBMITTER: Topalov AA 

PROVIDER: S-EPMC3556695 | biostudies-other | 2012 Dec

REPOSITORIES: biostudies-other

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Dissolution of platinum: limits for the deployment of electrochemical energy conversion?

Topalov Angel A AA   Katsounaros Ioannis I   Auinger Michael M   Cherevko Serhiy S   Meier Josef C JC   Klemm Sebastian O SO   Mayrhofer Karl J J KJ  

Angewandte Chemie (International ed. in English) 20121104 50


Platinum stability: Dissolution of Pt, which is one major degradation mechanism in, for example, hydrogen/air fuel cells, was monitored under potentiodynamic and potentiostatic conditions. The highly sensitive and time-resolving dissolution monitoring enables the distinction between anodic and cathodic dissolution processes during potential transient and chronoamperometric experiments, and the precise quantification of the amount of dissolved Pt. ...[more]

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