基于貴金屬替代的新型動(dòng)力燃料電池關(guān)鍵技術(shù)和理論基礎(chǔ)

孫公權(quán)

摘 要：該研究面對(duì)國(guó)家戰(zhàn)略需求，針對(duì)貴金屬替代的新型動(dòng)力燃料電池，以降低成本、提高耐久性為主線，開展貴金屬替代電催化劑、新型堿性/高溫電解質(zhì)膜和有序化膜電極、高能效電堆和一體化系統(tǒng)集成等關(guān)鍵科學(xué)技術(shù)研究，重點(diǎn)解決動(dòng)力燃料電池多維度電極反應(yīng)動(dòng)力學(xué)過(guò)程和電催化劑構(gòu)效關(guān)系及電催化機(jī)理，聚合物電解質(zhì)膜的分子創(chuàng)制和膜電極有序化結(jié)構(gòu)構(gòu)筑及離子傳輸強(qiáng)化機(jī)制，動(dòng)力燃料電池電堆一致性和系統(tǒng)一體化集成與過(guò)程耦合規(guī)律等關(guān)鍵科學(xué)問(wèn)題。圍繞總體目標(biāo)，針對(duì)關(guān)鍵科學(xué)問(wèn)題和重點(diǎn)研究?jī)?nèi)容，該研究設(shè)置如下6個(gè)課題：（1）貴金屬完全替代納米電催化劑結(jié)構(gòu)設(shè)計(jì)與催化活性及耐久性研究；（2）貴金屬部分替代納米電催化劑的創(chuàng)制與催化活性及抗毒機(jī)理研究；（3）新型固態(tài)電解質(zhì)膜的分子設(shè)計(jì)與離子傳輸機(jī)制研究；（4）有序化膜電極微-納結(jié)構(gòu)構(gòu)建與界面極化損失研究；（5）基于新型電解質(zhì)膜高能效電堆結(jié)構(gòu)與一致性研究；（6）10 kW級(jí)新型動(dòng)力燃料電池系統(tǒng)集成技術(shù)研究。

關(guān)鍵詞：電催化劑 質(zhì)子交換膜 膜電極 電堆 燃料電池動(dòng)力系統(tǒng)

Abstract：In this project， we mainly force on the following issues：the structural design and catalytic activity and durability of Precious completely replace electro-catalyst.synthesis of low-Pt nano-electrocatalysts and the catalytic activity and the tolerance to poisoning.Molecular design and mechanism study for ionic conduction in novel solid polymer electrolyte membrane.the order micro-nanometer structure membrane electrode assembly and its boundary polarization loss.new electrolyte membrane based high-efficient stack structure and its consistency.Development on 10kW novel fuel cell power system integration technology.

Key Words：Electro-catalyst；Proton exchange membrane；Membrane electrode assembly；Stack；Fuel cell power system

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