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METHOD FOR RECOVERING HYDROGEN FUEL CELL OF NEW ENERGY VEHICLE

机译：新能源车氢燃料电池回收氢气的方法

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Disclosed is a method for recovering a hydrogen fuel cell of a new energy vehicle. The method comprises the following steps: (1) sequentially discharging and disassembling the hydrogen fuel cell to obtain a hydrogen supply system, an air supply system, a cooling system and a voltaic pile; 2) disassembling the voltaic pile into a catalyst and a carbon fabric, followed by ashing same to obtain ash; (3) adding an additive to the ash and then mixing same, introducing an inert gas, heating, then introducing an oxidizing gas and an ammonium salt solution to absorb an exhaust gas; and (4) adding a reducing agent to the ammonium salt solution after the exhaust gas is absorbed in step (3) so as to cause reaction, then filtering, and collecting then cleaning a filtered residue to obtain Pt. The invention can efficiently recover the platinum element in the hydrogen fuel cell and prepare high-purity Pt by means of combining the methods of chlorination evaporation with chemical reduction, thereby effectively conserving precious metal resources. In addition, the recovery process has the advantages of having a simple operation and high production efficiency.
机译：公开了一种用于回收新能量车辆的氢燃料电池的方法。该方法包括以下步骤：（1）顺序排出和拆卸氢气燃料电池以获得氢供应系统，供气系统，冷却系统和电压桩; 2）将Voltaic桩拆卸到催化剂和碳织物中，然后灰化为获得灰分; （3）将添加剂加入灰分中，然后混合相同，引入惰性气体，加热，然后引入氧化气体和铵盐溶液以吸收废气; （4）在步骤（3）中吸收废气后向铵盐溶液中加入还原剂，以使反应，然后过滤，然后收集清洁过滤的残余物以获得Pt。本发明可以通过将氯化蒸发方法与化学降低组合，有效地回收氢燃料电池中的铂元件，并制备高纯度Pt，从而有效地保护贵金属资源。此外，恢复过程具有简单操作和高生产效率的优点。

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