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takasaki

银虫 (小有名气)

[交流] PEMFC的MEA制造流程(CCM法)

这是美国 Los Alamos National Laboratory发表的论文概要。仅供参考
第一步,catalysis ink 制备
1.0g of 5% Nafion solution ,0.125 g of Pt/CB, stir  for 1 hour.
Add 0.5 g glycerol and stir for 15 minutes.
Add 50 mg of 1 M Tetra Butyl Ammonium hydroxide/methanol, Stir for  1 hour.
Add 0.5g of glycerol again, and stir for 24 hours.
第2步,PTFE上涂布
Clean Teflon film and dry them. Lightly spray them with a Teflon release agent and, record their weights.
With an camel hair brush, paint a coat of catalyst ink on the film and put them in a 140°C drying oven for 1 hour. Check their weights and repeat the painting (paint 90° to previous direction) and drying until the desired loading is achieved.
第三步 CCM制备
Cut Nafion 112 PEM to the desired size. Exchange membranes to Na form.
The painted side of two decals are placed facing each other on either side of a dried Na form membrane. The stainless steel holder is placed in a 210°C preheated hot press and compressed to 0.8 MPa for 5 min. The decals are then peeled away from the membrane leaving the catalyst electrodes fused to the membrane (CCM). Boil CCM in 0.5 M H2SO4 for 1 hr.
第四步
GDLs are cut to fit the particular size electrodes. GDL/CCM/GDL can be hotpressed for better contact, or directly inset into a cell.

[ Last edited by takasaki on 2007-9-6 at 12:57 ]
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lsf_eclab

木虫 (小有名气)

我有 Los Alamos National Laboratory制备CCM的PPT,有点大,不知道怎么传上来.
2楼2007-09-09 09:50:32
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takasaki

银虫 (小有名气)

我是在google 上找到的,输入CCM MEA Los Alamos 等马上就能看到原文。
3楼2007-09-09 12:05:48
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何足道008

金虫 (著名写手)

一介书生,何足道哉

lsf_eclab,可以传到我的邮箱里,zzh@ciac.jl.cn

先行感谢了
一介书生,何足道哉!!!
4楼2007-09-09 15:47:53
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sos20002000

木虫 (正式写手)

这边有个图文并茂的关于CCM制备过程的,来自于小百合的
http://bbs.nju.edu.cn/blogcon?us ... amp;file=1179110896

[ Last edited by sos20002000 on 2007-9-9 at 21:56 ]
5楼2007-09-09 21:55:10
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zhjyisee

银虫 (小有名气)

lsf_eclab,可以传到我的邮箱里,shijianheng_bipt@126.com

先行感谢了
6楼2007-09-13 14:51:15
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