气体扩散层成本结构(按年产1000台80kW燃料电池电堆)-行业数据

气体扩散层成本结构(按年产1000台80kW燃料电池电堆)

（2）气体扩散层（碳纸）：在电堆中的成本占比达 21%，成本构成主要是原材料（碳纤维纸/布）和制造成本两大部分，由于碳纸在微孔层、石墨化工中工艺相对复杂，设备投入大，故成本居高不下，碳纸的制造成本约占总成本的 83.6%。未来碳纸的成本将随着量化生产及生产工艺的优化而降低。

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