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State-of-the-art Catalyst ink, Improving catalyst ink, Improving the…
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Improving catalyst ink
Reduce Pt loading
Toyota uses PtCo
GM R&D uses Pt/Pd: higher ECSA, less Pt consumption, better performance, but Pd is as costly as Pt;
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Improve ionomer for better O2 diffusion
Papers: Rolfi & Japan Shimizu & Korea Kim (dimethyl silicon oil in ionomer)
Engineering Pt surface
Masking of Pt surface: the masked Pt particles won't be covered with ionomer, so O2 will diffusive directly to the catalyst surface; early stage
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