CN110444769A - A kind of super-hydrophobic gas diffusion layers of high conductivity and preparation method thereof - Google Patents
A kind of super-hydrophobic gas diffusion layers of high conductivity and preparation method thereof Download PDFInfo
- Publication number
- CN110444769A CN110444769A CN201910644080.7A CN201910644080A CN110444769A CN 110444769 A CN110444769 A CN 110444769A CN 201910644080 A CN201910644080 A CN 201910644080A CN 110444769 A CN110444769 A CN 110444769A
- Authority
- CN
- China
- Prior art keywords
- hydrophobic
- super
- carbon
- gas diffusion
- carbon nanotube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 108
- 238000009792 diffusion process Methods 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 159
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 116
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 115
- 239000000446 fuel Substances 0.000 claims abstract description 42
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 25
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 19
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 37
- 239000002002 slurry Substances 0.000 claims description 37
- 239000007787 solid Substances 0.000 claims description 29
- 239000011230 binding agent Substances 0.000 claims description 27
- 239000006185 dispersion Substances 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Natural products CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 18
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 14
- 239000002033 PVDF binder Substances 0.000 claims description 12
- 150000001412 amines Chemical class 0.000 claims description 12
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 12
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims description 11
- 239000002048 multi walled nanotube Substances 0.000 claims description 11
- 238000001291 vacuum drying Methods 0.000 claims description 11
- 235000019441 ethanol Nutrition 0.000 claims description 9
- 229920001600 hydrophobic polymer Polymers 0.000 claims description 9
- 150000002894 organic compounds Chemical class 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 claims description 6
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims description 5
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 claims description 4
- JPZYXGPCHFZBHO-UHFFFAOYSA-N 1-aminopentadecane Chemical compound CCCCCCCCCCCCCCCN JPZYXGPCHFZBHO-UHFFFAOYSA-N 0.000 claims description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 4
- PLZVEHJLHYMBBY-UHFFFAOYSA-N Tetradecylamine Chemical compound CCCCCCCCCCCCCCN PLZVEHJLHYMBBY-UHFFFAOYSA-N 0.000 claims description 4
- 239000006230 acetylene black Substances 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- QFTYSVGGYOXFRQ-UHFFFAOYSA-N dodecane-1,12-diamine Chemical compound NCCCCCCCCCCCCN QFTYSVGGYOXFRQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- KAJZYANLDWUIES-UHFFFAOYSA-N heptadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCCN KAJZYANLDWUIES-UHFFFAOYSA-N 0.000 claims description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 4
- 239000006210 lotion Substances 0.000 claims description 4
- SASNBVQSOZSTPD-UHFFFAOYSA-N n-methylphenethylamine Chemical compound CNCCC1=CC=CC=C1 SASNBVQSOZSTPD-UHFFFAOYSA-N 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 229920000734 polysilsesquioxane polymer Polymers 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- ABVVEAHYODGCLZ-UHFFFAOYSA-N tridecan-1-amine Chemical compound CCCCCCCCCCCCCN ABVVEAHYODGCLZ-UHFFFAOYSA-N 0.000 claims description 4
- BMVXCPBXGZKUPN-UHFFFAOYSA-N 1-hexanamine Chemical compound CCCCCCN BMVXCPBXGZKUPN-UHFFFAOYSA-N 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- MHZGKXUYDGKKIU-UHFFFAOYSA-N Decylamine Chemical compound CCCCCCCCCCN MHZGKXUYDGKKIU-UHFFFAOYSA-N 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 238000010041 electrostatic spinning Methods 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- FJDUDHYHRVPMJZ-UHFFFAOYSA-N nonan-1-amine Chemical compound CCCCCCCCCN FJDUDHYHRVPMJZ-UHFFFAOYSA-N 0.000 claims description 3
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 238000004528 spin coating Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- QFKMMXYLAPZKIB-UHFFFAOYSA-N undecan-1-amine Chemical compound CCCCCCCCCCCN QFKMMXYLAPZKIB-UHFFFAOYSA-N 0.000 claims description 3
- KLNPWTHGTVSSEU-UHFFFAOYSA-N undecane-1,11-diamine Chemical compound NCCCCCCCCCCCN KLNPWTHGTVSSEU-UHFFFAOYSA-N 0.000 claims description 3
- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 claims description 2
- HFACYWDPMNWMIW-UHFFFAOYSA-N 2-cyclohexylethanamine Chemical compound NCCC1CCCCC1 HFACYWDPMNWMIW-UHFFFAOYSA-N 0.000 claims description 2
- LTHNHFOGQMKPOV-UHFFFAOYSA-N 2-ethylhexan-1-amine Chemical compound CCCCC(CC)CN LTHNHFOGQMKPOV-UHFFFAOYSA-N 0.000 claims description 2
- LYUQWQRTDLVQGA-UHFFFAOYSA-N 3-phenylpropylamine Chemical compound NCCCC1=CC=CC=C1 LYUQWQRTDLVQGA-UHFFFAOYSA-N 0.000 claims description 2
- LPULCTXGGDJCTO-UHFFFAOYSA-N 6-methylheptan-1-amine Chemical compound CC(C)CCCCCN LPULCTXGGDJCTO-UHFFFAOYSA-N 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 claims description 2
- 229920002367 Polyisobutene Polymers 0.000 claims description 2
- 150000004985 diamines Chemical class 0.000 claims description 2
- 125000003700 epoxy group Chemical group 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- PWSKHLMYTZNYKO-UHFFFAOYSA-N heptane-1,7-diamine Chemical compound NCCCCCCCN PWSKHLMYTZNYKO-UHFFFAOYSA-N 0.000 claims description 2
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- KYCGURZGBKFEQB-UHFFFAOYSA-N n',n'-dibutylpropane-1,3-diamine Chemical compound CCCCN(CCCC)CCCN KYCGURZGBKFEQB-UHFFFAOYSA-N 0.000 claims description 2
- HBXNJMZWGSCKPW-UHFFFAOYSA-N octan-2-amine Chemical compound CCCCCCC(C)N HBXNJMZWGSCKPW-UHFFFAOYSA-N 0.000 claims description 2
- QNIVIMYXGGFTAK-UHFFFAOYSA-N octodrine Chemical compound CC(C)CCCC(C)N QNIVIMYXGGFTAK-UHFFFAOYSA-N 0.000 claims description 2
- 239000002109 single walled nanotube Substances 0.000 claims description 2
- 150000004992 toluidines Chemical class 0.000 claims description 2
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 claims 2
- BHHGXPLMPWCGHP-UHFFFAOYSA-N Phenethylamine Chemical compound NCCC1=CC=CC=C1 BHHGXPLMPWCGHP-UHFFFAOYSA-N 0.000 claims 1
- 239000007767 bonding agent Substances 0.000 claims 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims 1
- 125000005909 ethyl alcohol group Chemical group 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000004890 Hydrophobing Agent Substances 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 6
- 230000004224 protection Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 47
- 239000012528 membrane Substances 0.000 description 12
- 238000011056 performance test Methods 0.000 description 11
- 239000004205 dimethyl polysiloxane Substances 0.000 description 9
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 9
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 9
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000005253 cladding Methods 0.000 description 8
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 5
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 150000001263 acyl chlorides Chemical class 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229920002313 fluoropolymer Polymers 0.000 description 4
- 239000004811 fluoropolymer Substances 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000003682 fluorination reaction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 230000021523 carboxylation Effects 0.000 description 2
- 238000006473 carboxylation reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- YQLZOAVZWJBZSY-UHFFFAOYSA-N decane-1,10-diamine Chemical compound NCCCCCCCCCCN YQLZOAVZWJBZSY-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000007306 functionalization reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- ALXIFCUEJWCQQL-UHFFFAOYSA-N nonan-2-amine Chemical compound CCCCCCCC(C)N ALXIFCUEJWCQQL-UHFFFAOYSA-N 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001409 amidines Chemical group 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920009441 perflouroethylene propylene Polymers 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- SZLZWPPUNLXJEA-QEGASFHISA-N rescinnamine Chemical compound O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)\C=C\C1=CC(OC)=C(OC)C(OC)=C1 SZLZWPPUNLXJEA-QEGASFHISA-N 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
- H01M4/8673—Electrically conductive fillers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8803—Supports for the deposition of the catalytic active composition
- H01M4/8807—Gas diffusion layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to fuel cell fields, more particularly, to super-hydrophobic gas diffusion layers of a kind of high conductivity and preparation method thereof.The gas diffusion layers include by hydrophobic treatment porous, electrically conductive base material and the composite microporous layer of super-hydrophobic carbon nanotube/carbon material coated in porous, electrically conductive base material side or to be made from it.Super-hydrophobic carbon nanotube has the conductivity much higher than polytetrafluoroethylene (PTFE), therefore uses super-hydrophobic carbon nanotube that will greatly improve the electric conductivity of microporous layers in gas diffusion layers as hydrophobing agent.Using a kind of not only available super-hydrophobic gas diffusion layers of high conductivity of the present invention, but also its preparation process is not necessarily to high-temperature process, has the characteristics that low energy consumption, environmental protection, has stronger practicability.
Description
Technical field
The present invention relates to fuel cell fields, more particularly, to the gas diffusion layers in fuel cell critical material, especially
It is the microporous layers and preparation method thereof being related in gas diffusion layers.
Technical background
Fuel cell is a kind of power generation that the chemical energy of the fuel such as hydrogen, methanol, ethyl alcohol can be converted directly into electric energy
Device has the characteristics that energy conversion efficiency height, product cleaning.Fuel cell pile is stacked by many monolithic fuel cells
It forms.Monolithic fuel cell is made of intermediate membrane electrode and the bipolar plates that membrane electrode is clipped in the middle, by multiple monolithics
Cell stacks fit together to form fuel cell pile.The composition of membrane electrode be successively from centre to both sides proton exchange membrane,
Catalytic Layer and gas diffusion layers.Gas diffusion layers play the compression for bearing bipolar plates in membrane electrode, protect Catalytic Layer, promote
Gas is uniformly diffused into Catalytic Layer, steam is discharged, the multiple actions such as conduction electric current, are the passes for influencing fuel cell electrode performance
One of key member.
Gas diffusion layers are the supporting layers being made of porous conductive materials such as porous carbon paper, carbon cloth, foaming metals and to lead
Electric carbon black/hydrophobing agent coats the microporous layers to be formed and collectively constitutes.Since fuel cell can generate water in cathode at work, if not
Discharge in time is flooded to reduce fuel battery performance it will cause Catalytic Layer.Hydrophobic surface is not easy to adsorb water, enables water to
Quickly discharge, it is therefore desirable to which hydrophobic treatment is carried out to porous support layer and microporous layers.
In the prior art, it is to the usual way of the preparation of microporous layers in gas diffusion layers: by conductive black, carbon dust etc.
It is coated on the branch Jing Guo hydrophobic treatment by techniques such as spraying, blade coating, silk-screen printings after mixing in a solvent with hydrophobing agent
It supports on layer, handles certain time under high temperature (350 DEG C or so) again after drying, hydrophobic gas diffusion layer is finally obtained, referring to hair
Zong Qiang edits " fuel cell ".
Chinese invention patent application number 200610047931.2 (a kind of gas diffusion layer for fuel cell and its preparation) will
Acetylene black is coated on carbon paper or carbon cloth through hydrophobic treatment after mixing with hydrophobing agent, then passes through 150~280 DEG C of heating,
10~100min of roast obtains hydrophobic gas diffusion layer at 300~400 DEG C again, wherein hydrophobing agent dosage reach 10%~
30%.
A kind of (the super-hydrophobic gas diffusion of fuel cell durability of Chinese invention patent application number 201810493251.6
Layer) by mass fraction be respectively 3-4:1-2:10-15 conductive agent, hydrophobic microballoon and binder mix after be coated on hydrophobic treatment
Carbon paper on, at 270-380 DEG C, be passed through protective gas and handle to obtain hydrophobic treatment gas diffusion through 20-30min firing
Layer.The patent the method improves the surface flatness and flatness of microporous layers.
In the prior art, hydrophobing agent generallys use polytetrafluoroethylene (PTFE) (PTFE), inclined tetrafluoroethene (PVDF) or fluorinated ethylene-propylene
The fluoropolymers or polymethyl siloxane etc. such as alkene (FEP) have hydrophobic high molecular material.But due to these hydrophobing agents
Non-conductive (conductivity < 10 itself-14S/cm), the electric conductivity of gas diffusion layers can be made to reduce using these hydrophobing agents.
Carbon nanotube has high specific surface area, high thermal conductivity rate, electrochemical corrosion resistant and excellent mechanical property
Can, it can be applied to the electrode material etc. of supercapacitor and lithium ion battery.In order to which carbon nanotube is applied to more scenes,
Carrying out hydrophobically modified to carbon nanotube also has more report.Such as multi-walled carbon nanotube modification is connect using octadecylamine
The ultra-hydrophobic conductive carbon nanotube that feeler is 165 °, conductivity is 11.3 S/cm, referring to Yao H, Chu C C, Sue H J, et
al.Electrically conductive superhydrophobic octadecylamine-functionalized
multiwall carbon nanotube films[J].Carbon,2013, 53:366-373;Multi-walled carbon nanotube grafting contains
It is 157.7 ° that fluoropolymer, which obtains contact angle when the mass ratio of carbon nanotube and polymer is 10:3, referring to Soojin P,
Longyue M.Improvement of Superhydrophobicity of Multi-Walled Carbon Nanotubes
Produced by Fluorination[J]. Carbon Letters,2012,13(3):178-181。
Although disclosing the preparation method of super-hydrophobic carbon nanotube as described above in the prior art, have no in fuel electricity
Application in the gas diffusion layers of pond, and in the prior art, also there is not yet open report that super-hydrophobic carbon nanotube coats carbon material
The method for preparing gas diffusion layers.
In the prior art, the microporous layers in gas diffusion layers are to use nonconducting hydrophobic polymer and conductive carbon material
High-temperature process is prepared after mixing, this can reduce the electric conductivity of gas diffusion stratification, and high-temperature process compares energy consumption;In addition, micro-
The carbon-based conductive agents such as conductive carbon black interact weaker with high molecular hydrophobic agent in aperture layer preparation process, so as to cause point of the two
Unevenness is dissipated, forming aggregation reduces hydrophobic uniformity.
The applicant has found by groping repeatedly with many experiments, utilizes the fiber properties of carbon nanotube and itself and carbon materials
The strong interaction of material, carbon nanotube can closely wind carbon-based conductive particle, to reduce the dosage of binder, and prepare
Journey does not need high-temperature process.In addition, the conductivity (> 10 of super-hydrophobic carbon nanotube-4S/cm it) is substantially higher in PTFE (< 10-14
The polymer such as S/cm) use super-hydrophobic carbon nanotube that can significantly improve gas diffusion layers as hydrophobing agent preparation microporous layers
Electric conductivity.
Summary of the invention
An object of the present invention is to provide a kind of super-hydrophobic gas diffusion layers of high conductivity, and the gas diffusion layers have
High conductivity and super-hydrophobicity.
It is a further object of the present invention to provide the method for preparing the super-hydrophobic gas diffusion layers of the high conductivity, the methods
Has the characteristics that preparation process energy conservation and environmental protection.
It is yet another object of the invention to provide the fuel cells for using the super-hydrophobic gas diffusion layers of high conductivity of the present invention.
To achieve the goals above, the invention adopts the following technical scheme.
One of technical solution of the present invention is to provide a kind of super-hydrophobic gas diffusion layers of fuel cell high conductivity, includes
Hydrophobic treatment porous, electrically conductive base material and super-hydrophobic carbon coated in the hydrophobic treatment porous, electrically conductive base material side are received
The composite microporous layer of mitron/carbon material.
In one embodiment, the super-hydrophobic gas diffusion layers of the high conductivity are by hydrophobic treatment porous, electrically conductive substrate material
Material and the composite microporous layer group of super-hydrophobic carbon nanotube/carbon material coated in the hydrophobic treatment porous, electrically conductive base material side
At.
In one embodiment, the super-hydrophobic carbon nanotube be using containing epoxy or carboxyl carbon nanotube with containing-
NH2The product of the organic compound reaction of group.Can be commercially available or using carbon nanotube voluntarily modified preparation, it will such as contain-NH2
Primary amine organic matter/ethanol solution of group is mixed with carbon nanotube/aqueous dispersions containing epoxy group, is reacted at 80~90 DEG C
Certain time obtains hydrophobically modified carbon nano tube products.Method of modifying is the disclosed prior art, referring to: Yao H, Chu C
C,Sue H J,et al.Electrically conductive superhydrophobic octadecylamine-
functionalized multiwall carbon nanotube films[J]. Carbon,2013,53:366-373;
Yong T,Gou J,Yuan H.Covalent functionalization of carbon nanotubes with
polyhedral oligomeric silsequioxane for superhydrophobicity and flame
retardancy[J].Polymer Engineering&Science,2013,53(5):1021-1030。
Selectable, described contains-NH2The organic compound of group is selected from one of following compounds or a variety of: just
Heptyl amice, 2- cyclopenta ethamine, 2- amino-octane, 2- amino -6- methyl heptane, 1- amino -6- methyl heptane, 2 ethyl hexylamine,
2- cyclohexylethylamine, n-hexylamine, octane amine, 2- amino nonane, positive nonyl amine, 1- decyl amine, positive undecylamine, 2- ammonia hendecane, 12
Amine, tridecyl amine, tetradecy lamine, pentadecyl amine, cetylamine, heptadecyl-amine, octadecylamine, 19 amine, 20 amine, aniline, toluidines, benzene second
Amine, to Methylphenethylamine, 3- phenylpropylamine, ethylenediamine, 2- methyl-1,5- 1,5-DAP, 1,6- hexamethylene diamine, 1,7- heptan two
Amine, 1,8- octamethylenediamine, 1,9- nonamethylene diamine, 1,10- decamethylene diamine, 1,11- diamino undecane, 1,12- diamino dodecane, 1,
Six alkane of 16- diamino, 5- (dimethylamino) amylamine, 3- (dibutylamino) propylamine.
It is preferred that n-hexylamine, octane amine, 2- amino nonane, positive nonyl amine, 1- decyl amine, positive undecylamine, 2- ammonia hendecane, 12
Amine, tridecyl amine, tetradecy lamine, pentadecyl amine, cetylamine, heptadecyl-amine, octadecylamine, 19 amine, 20 amine, 1,7- heptamethylene diamine, 1,8- are pungent
Diamines, 1,9- nonamethylene diamine, 1,10- decamethylene diamine, 1,11- diamino undecane, 1,12- diamino dodecane, 1,16- diamino
One of six alkane are a variety of, more preferable tridecyl amine, tetradecy lamine, pentadecyl amine, cetylamine, heptadecyl-amine, octadecylamine, 19 amine, two
One of ten amine, 1,12- diamino dodecane, six alkane of 1,16- diamino are a variety of.
It should be understood that can be used for of the invention containing-NH2The organic compound of group is not limited to above-named organic
Compound, those skilled in the art can select other suitably to contain-NH as the case may be2The organic compound of group, and
Without departing from protection scope of the present invention.
It is selectable, it is above-mentioned to contain-NH in the super-hydrophobic carbon nanotube2The organic compound of group accounts for carbon modified and receives
The 15%~45% of mitron quality, preferably 20~45%, more preferable 28~40%, more preferably, 29%, 30%, 31%,
32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%.
In one embodiment, the super-hydrophobic carbon nanotube is the product of carbon nanotube grafted hydrophobic polymer, can
To be made by the following method: by carbon nanotube in H2SO4/HNO3Middle oxidation obtains carboxylic acid carbon nano tube, then anti-with sulfonic acid chloride
Acyl chlorides carbon nano tube should be obtained, acyl chlorides carbon nano tube can obtain hydrophobic conductive carbon nanotube with the hydrophobic polymer of amino-contained
Pipe, grafting method are the disclosed prior art, referring to: Yong T, Gou J, Yuan H.Covalent
functionalization of carbon nanotubes with polyhedral oligomeric
silsequioxane for superhydrophobicity and flame retardancy[J].Polymer
Engineering&Science,2013,53(5):1021-1030。
In one embodiment, the super-hydrophobic carbon nanotube can also obtain by the following method: nanotube is set
Reflux obtains hydroxyl carbon nanotube in hydrogen peroxide, and fluoropolymer is grafted to hydroxyl carbon nano tube with silane coupling agent
On obtain ultra-hydrophobic conductive carbon nanotube, referring to Meng L Y, Park S J.Effect of fluorination of
carbon nanotubes on superhydrophobic properties of fluoro-based films[J]
.Journal of Colloid&Interface Science,2010,342(2):559-563;Soojin P, Longyue
M.Improvement of Superhydrophobicity of Multi-Walled Carbon Nanotubes
Produced by Fluorination[J].Carbon Letters,2012,13(3):178-181。
Optionally, the hydrophobic polymer is the polymethyl siloxane of amino-contained functional group, cage modle polysilsesquioxane, gathers
One of isobutene, polystyrene, fluoropolymer including polytetrafluoroethylene (PTFE), Kynoar, fluorinated acrylamide etc.
Or it is a variety of.It is preferred that the polymethyl siloxane of amino-contained functional group, cage modle polysilsesquioxane, polyisobutene, polystyrene, poly- four
Vinyl fluoride.Polymethyl siloxane, the cage modle polysilsesquioxane, polytetrafluoroethylene (PTFE) of more preferable amidine functional group.
It should be understood that may be used as hydrophobic polymer of the invention is not limited to above-named, those skilled in the art
Other suitable hydrophobic polymers can be selected as the case may be, without beyond the scope of the present invention.
Optionally, the polymer being grafted in the carbon nanotube accounts for the 20~85% of super-hydrophobic carbon nanotubes, preferably
25~75%, more preferable 30~60%, more preferably, 40~50% or 41%, 42%, 43%, 44%, 45%, 46%,
47%, 48%, 49%.
Optionally, the degree of polymerization of the polymer is 15~450, preferably 45~350, more preferable 80~270, further preferably
Ground, 100-200.
Optionally, carbon nanotube be single wall or multi-walled carbon nanotube, draw ratio be 20:1~100:1, preferably 30:1~
90:1, more preferable 50:1~85:1.
Optionally, the conductive carbon material be electrical conductivity Carbon black, active carbon, carbosphere, carbon whisker, graphite powder, acetylene black,
One of graphene or carbon fiber or a variety of mixing.
Optionally, the partial size of the conductive carbon material particle be 0.01~1.3 μm, preferably 0.05~0.7 μm, more preferably
0.1~0.5 μm.
Another technical solution of the invention is to provide a kind of method for preparing the super-hydrophobic gas diffusion layers of high conductivity,
It is characterized in that, described method includes following steps:
(1) super-hydrophobic carbon nanotube is added in organic solvent, it is 0.1~3.0 mg/ that ultrasound, which obtains concentration, after stirring
Super-hydrophobic carbon nanotube/dispersion in organic solvent of mL;
(2) carbon material is slowly added into above-mentioned super-hydrophobic carbon nanotube/dispersion in organic solvent, and be stirred continuously so
Ultrasonic disperse afterwards, then binder is slowly added dropwise and is sufficiently stirred, obtain super-hydrophobic carbon nanotube/carbon material compound slurry;
(3) above-mentioned slurries are coated on to the side of the porous, electrically conductive base material through hydrophobic treatment, then at 60~80 DEG C
It is dry in lower vacuum drying oven.
In step (1), the concentration preferably 0.3~2.5mg/mL, more preferable 0.5~2.0mg/mL.
In step (1), in the super-hydrophobic carbon nano tube/conducting carbon material compound slurry, solid content be 1%~
45%, preferably 2~35%, more preferable 5~25%;The super-hydrophobic carbon nano-tube material accounts for the 1~15% of total solids content, excellent
Select 2~12%, more preferable 4~9.5%;The consumption of binder accounts for the 0.1~7% of total solids content, preferably 0.3~5.5%,
More preferable 0.7~3.5%.
In step (1), the organic solvent be ethyl alcohol or isopropanol or other.
In step (2), the carbon material is conductive carbon material.
In step (2), the binder be Kynoar (PVDF) or butadiene-styrene rubber (SBR) lotion or other.
In step (3), the coating is that spraying, blade coating, spin coating, slit extrusion coated, electrostatic spinning or transfer etc. apply
One of mode for cloth.
Another technical solution of the invention is to provide a kind of fuel cell, and the fuel cell uses above-mentioned high conductivity
Super-hydrophobic gas diffusion layers or the super-hydrophobic gas diffusion layers of high conductivity of above method preparation.
Use scope of the invention is not limited to any fuel cell.Currently, type of fuel cell known to having 5 kinds, name
Claim related with the corresponding electrolyte used.
(1) alkaline fuel cell (AFC) --- using potassium hydroxide solution as electrolyte;
(2) Proton Exchange Membrane Fuel Cells (PEMFC) --- using very thin polymer dielectric film as its electrolyte;
(3) phosphoric acid fuel cell (PAFC) --- using the phosphoric acid under 200 DEG C of high temperature as its electrolyte;
(4) carbonate fuel cell (MCFC) is melted --- using sodium carbonate or potassium carbonate as electrolyte;
(5) solid-state oxygen fuel cell (SOFC) --- use solid electrolyte.
The utility model has the advantages that
Compared with prior art using the technology of the present invention, the feature and excellent effect protruded is:
(1) high conductivity is had by using super-hydrophobic carbon nanotube and the microporous layers of the compound preparation of conductive carbon material;
(2) providing gas diffusion layers and preparation method thereof can avoid gas diffusion layers high-temperature process, reduce preparation
Energy consumption in the process;
Specific embodiment:
Below with reference to embodiment, the present invention is further described, but does not constitute limiting the scope of the invention.Unless
In addition illustrate, following materials are used for embodiment described below.
Infrared (FT-IR) test, using Nicolet company, U.S. Nexsus 6700-FT-IR, ATR, scanning range:
4000cm-1~400cm-1。
Thermogravimetric test uses TA company, U.S. Q50 nitrogen atmosphere with the heating rate of 10 DEG C/min from 25~600 DEG C.
Water contact angle test: contact angle system OCA (dataphysics) measuring instrument is used, with 5 μ L's
Drop amount carries out testing film surface, and each sample is tested 5 times and is averaged.
Membrane electrode performance test: it is polarized using scribner company, U.S. 890e Fuel Cell Test Loads
Curve and ac impedance measurement.
The super-hydrophobic gas diffusion layers of high conductivity of the invention are generally prepared using following methods:
(1) super-hydrophobic carbon nanotube is added in ethyl alcohol or isopropanol first, it is ultrasonic that super-hydrophobic carbon is received by stirring
Mitron dispersion liquid;
(2) conductive carbon particle is slowly added into above-mentioned super-hydrophobic carbon nano tube dispersion liquid, and be stirred continuously, ultrasound point
It dissipates, Kynoar (PVDF) or butadiene-styrene rubber (SBR) lotion is then slowly added dropwise as binder and is sufficiently stirred, is surpassed
Hydrophobic carbon nanotube/conductive carbon material compound slurry;
(3) above-mentioned slurries are passed through into the coating methods such as spraying, blade coating, spin coating, slit extrusion coated, electrostatic spinning or transfer
One of be coated on the side of the porous, electrically conductive base material that hydrophobic treatment is crossed;
(4) then dry in vacuum drying oven, obtain the super-hydrophobic gas diffusion layers of high conductivity.
Embodiment 1:
(1) super-hydrophobic carbon nanotube preparation: by 150mg multi-walled carbon nanotube (draw ratio: 100:1) in 300mL water,
Carbon nanotube/aqueous dispersions that concentration is 0.5mg/mL are made in ultrasonic disperse.750mg octadecylamine is dissolved in 30mL ethyl alcohol
In, octadecylamine/ethanol solution of 25mg/mL is made.Carbon nanotube/water dispersion that octadecylamine/ethanol solution is added to
In liquid, 2h is stirred at reflux at 80 DEG C.It filters, filter residue is washed in ethanol, drying for 24 hours, obtains 18 in a vacuum drying oven
The modified oxidized carbon nanotube of alkanamine (CNT-ODA), through TGA test, wherein octadecylamine content is 15%.Take 50mg CNT-ODA
It is scattered in 50mL isopropanol, dispersion liquid concentration 1.0mg/mL;
(2) conductive black that average grain diameter is 1.3 μm is slowly added into super-hydrophobic carbon nano tube dispersion liquid in step (1)
In, and it is stirred continuously then ultrasonic disperse, Kynoar PVDF is then slowly added dropwise as binder and is sufficiently stirred, obtains
Super-hydrophobic carbon nano tube/conducting carbon material compound slurry.The concentration for adjusting slurry makes the super-hydrophobic carbon nano tube/conducting carbon materials
Expect that solid content is 5% in compound slurry, super-hydrophobic carbon nano-tube material accounts for the 4% of total solids content, and consumption of binder Zhan is total
The 3% of solid content;
(3) above-mentioned slurries are sprayed on to the side of the porous, electrically conductive base material of (2) described super-hydrophobic carbon nanotube cladding.
Then dry in vacuum drying oven at 60 DEG C, obtain highly conductive hydrophobic gas diffusion layer.
Gas diffusion layer material obtained in the embodiment of the present invention is subjected to hydrophobicity, electric conductivity and fuel battery performance
Test.Fuel battery performance test is that gained gas diffusion layers in embodiment and catalysis and proton exchange membrane are prepared into membrane electrode
The specific method is as follows: take a certain amount of Pt/C catalyst that beaker is added, be added a small amount of water and isopropanol be dispersed with stirring after be added
Nafion solution obtains the catalyst pulp that concentration is 2%, and the catalyst pulp prepared is sprayed on 212 film of Nafion, is made
The catalyst loading of proton exchange membrane cathode and anode is respectively 0.5mg/cm2And 0.1mg/cm2, the gas diffusion that will prepare
Hot pressing 2min obtains membrane electrode to the film of layer and spraying catalyst at 135 DEG C on flat-bed press.Membrane electrode is placed in fuel electricity
In the fixture of pond pond, monocell performance test is carried out using fuel battery test system, test result is as shown in table 1.
Embodiment 2:
(1) preparation process of super-hydrophobic carbon nanotube is same as Example 1, and only used carbon nanotube draw ratio is
The content of octadecylamine is 28% in 50:1, CNT-ODA, dispersion liquid concentration 0.1mg/mL;
(2) conductive black that average grain diameter is 0.5 μm is slowly added into super-hydrophobic carbon nano tube dispersion liquid in step (1)
In, and it is stirred continuously then ultrasonic disperse, Kynoar PVDF is then slowly added dropwise as binder and is sufficiently stirred, obtains
Super-hydrophobic carbon nano tube/conducting carbon material compound slurry.The concentration for adjusting slurry makes the super-hydrophobic carbon nano tube/conducting carbon materials
Expect that solid content is 1% in compound slurry, super-hydrophobic carbon nano-tube material accounts for the 1% of total solids content, and consumption of binder Zhan is total
The 7% of solid content;
(4) same as Example 1.
Hydrophobicity, electric conductivity and fuel battery performance test are same as Example 1.
Embodiment 3:
(1) preparation process of super-hydrophobic carbon nanotube is same as Example 1, and only used carbon nanotube draw ratio is
The content of octadecylamine is 45% in 30:1, CNT-ODA, dispersion liquid concentration 2.0mg/mL;
(2) conductive black that average grain diameter is 0.3 μm is slowly added into super-hydrophobic carbon nano tube dispersion liquid in step (1)
In, and it is stirred continuously then ultrasonic disperse, Kynoar PVDF is then slowly added dropwise as binder and is sufficiently stirred, obtains
Super-hydrophobic carbon nano tube/conducting carbon material compound slurry.The concentration for adjusting slurry makes the super-hydrophobic carbon nano tube/conducting carbon materials
Expect that solid content is 15% in compound slurry, super-hydrophobic carbon nano-tube material accounts for the 7% of total solids content, and consumption of binder Zhan is total
The 1% of solid content;
(4) above-mentioned slurries are coated in the porous, electrically conductive substrate of (2) the super-hydrophobic carbon nanotube cladding using knife coating
The side of material.Then dry in vacuum drying oven at 60 DEG C, obtain highly conductive hydrophobic gas diffusion layer.
Hydrophobicity, electric conductivity and fuel battery performance test are same as Example 1.
Embodiment 4:
(1) multi-walled carbon nanotube (MWCNT, draw ratio 90:1) 5g super-hydrophobic carbon nanotube preparation: is added to sulfuric acid:
Nitric acid is ultrasound 2h at 40 DEG C in the mixed acid of 3:1, and then at 60 DEG C after reflux 2h, filtering and washing to neutrality obtains Carboxylation
Carbon nanotube.It takes 0.3g carboxylation carbon nanotube to be scattered in a large amount of thionyl chloride, 4 drop n,N-Dimethylformamide ultrasounds is added
For 24 hours, then revolving removes thionyl chloride to back flow reaction and solvent obtains acyl chlorides carbon nano tube at 70 DEG C after dispersion.Take 0.3g
Acyl chlorides carbon nano tube and 3g amido polymethyl siloxane (NH2- PDMS, the degree of polymerization 15) and 1ml triethylamine in chloroform
Middle ultrasonic disperse 2h takes out after then reacting 48h at 70 DEG C, and filtering and washing obtains carbon nanotube graft polysiloxane CNT-g-
PDMS.Product, which is scattered in isopropanol, saves dispersion liquid concentration as 0.5mg/mL.Through TGA test, wherein PDMS content is 20%;
(2) graphite powder that average grain diameter is 0.7 μm is slowly added into super-hydrophobic carbon nano tube dispersion liquid in step (1)
In, and it is stirred continuously then ultrasonic disperse, Kynoar PVDF is then slowly added dropwise as binder and is sufficiently stirred, obtains
Super-hydrophobic carbon nano tube/conducting carbon material compound slurry.The concentration for adjusting slurry makes the super-hydrophobic carbon nano tube/conducting carbon materials
Expect that solid content is 2% in compound slurry, super-hydrophobic carbon nano-tube material accounts for the 2% of total solids content, and consumption of binder Zhan is total
The 5% of solid content;
(3) above-mentioned slurries are coated in the porous, electrically conductive of (2) the super-hydrophobic carbon nanotube cladding by way of spraying
The side of base material.Then dry in vacuum drying oven at 60 DEG C, obtain highly conductive hydrophobic gas diffusion layer.
Hydrophobicity, electric conductivity and fuel battery performance test are same as Example 1.
Embodiment 5:
(1) super-hydrophobic preparation method of carbon nano-tube is same as Example 4, and only carbon nanotube draw ratio is 85:1, used
The degree of polymerization of PDMS is that 80, PDMS content is 32%, dispersion liquid concentration 0.5mg/mL;
(2) conductive black that average grain diameter is 0.1 μm is slowly added into super-hydrophobic carbon nano tube dispersion liquid in step (1)
In, and it is stirred continuously then ultrasonic disperse, Kynoar PVDF is then slowly added dropwise as binder and is sufficiently stirred, obtains
Super-hydrophobic carbon nano tube/conducting carbon material compound slurry.The concentration for adjusting slurry makes the super-hydrophobic carbon nano tube/conducting carbon materials
Expect that solid content is 25% in compound slurry, super-hydrophobic carbon nano-tube material accounts for the 9.5% of total solids content, and consumption of binder accounts for
The 0.5% of total solids content;
(3) above-mentioned slurries are coated in the porous, electrically conductive of (2) the super-hydrophobic carbon nanotube cladding by way of blade coating
The side of base material.Then dry in vacuum drying oven at 80 DEG C, obtain highly conductive hydrophobic gas diffusion layer.
Hydrophobicity, electric conductivity and fuel battery performance test are same as Example 1.
Embodiment 6:
(1) super-hydrophobic preparation method of carbon nano-tube is same as Example 4, and only the draw ratio of carbon nanotube is 30:1, institute
It is 270, PDMS content with the polymer of PDMS is 76%, dispersion liquid concentration 1.0mg/mL;
(2) conductive black that average grain diameter is 0.05 μm super-hydrophobic carbon nanotube in step (1) is slowly added into disperse
In liquid, and it is stirred continuously then ultrasonic disperse, Kynoar PVDF is then slowly added dropwise as binder and is sufficiently stirred, obtains
To super-hydrophobic carbon nano tube/conducting carbon material compound slurry.The concentration for adjusting slurry makes the super-hydrophobic carbon nano tube/conducting carbon
Solid content is 30% in Material cladding slurries, and super-hydrophobic carbon nano-tube material accounts for the 12% of total solids content, consumption of binder
Account for the 0.3% of total solids content;
(3) above-mentioned slurries are coated in (2) described super-hydrophobic carbon nanotube cladding by way of slit extrusion coated
The side of porous, electrically conductive base material.Then dry in vacuum drying oven at 80 DEG C, obtain highly conductive hydrophobic gas diffusion layer.
Hydrophobicity, electric conductivity and fuel battery performance test are same as Example 1.
Embodiment 7:
(1) super-hydrophobic preparation method of carbon nano-tube is same as Example 4, and only the draw ratio of carbon nanotube is 20:1, institute
It is 450, PDMS content with the polymer of PDMS is 85%, dispersion liquid concentration 3.0mg/mL;
(2) conductive black that average grain diameter is 0.01 μm super-hydrophobic carbon nanotube in step (1) is slowly added into disperse
In liquid, and it is stirred continuously then ultrasonic disperse, Kynoar PVDF is then slowly added dropwise as binder and is sufficiently stirred, obtains
To super-hydrophobic carbon nano tube/conducting carbon material compound slurry.The concentration for adjusting slurry makes the super-hydrophobic carbon nano tube/conducting carbon
Solid content is 40% in Material cladding slurries, and super-hydrophobic carbon nano-tube material accounts for the 15% of total solids content, consumption of binder
Account for the 0.1% of total solids content;
(4) above-mentioned slurries are coated in (2) described super-hydrophobic carbon nanotube cladding by way of slit extrusion coated
The side of porous, electrically conductive base material.Then dry in vacuum drying oven at 80 DEG C, obtain highly conductive hydrophobic gas diffusion layer.
Hydrophobicity, electric conductivity and fuel battery performance test are same as Example 1.
Comparative example 1:
(1) Toray TGP-H060 carbon paper is impregnated into the PTFE emulsion that concentration is 10%, takes out drying, impregnates again
After dry, then in the case where 350 DEG C of argon gas are protected, annealing 1h obtains the carbon paper of hydrophobic treatment;
(2) 450mg conductive black (0.5 μm of average grain diameter) is taken, is added in 500mg 10%PTFE lotion, PTFE accounts for solid
The 10% of content, a certain amount of isopropanol, which is added, makes the solid content 30% of slurry, and simultaneously ultrasonic disperse makes PTFE to mechanical stirring
It is evenly dispersed in carbon dust, slurry is made;
(3) above-mentioned slurries are coated in the side of (1) described hydrophobic treatment carbon paper by way of slit extrusion coated.So
It is dry in vacuum drying oven at 80 DEG C afterwards, by the gas diffusion layers after drying in the lower 1h that anneals of 350 DEG C of argon gas protections, obtain gas
Diffusion layer.
Hydrophobicity, electric conductivity and fuel battery performance test are same as Example 1.
Table 1
Remarks:*Hydrophobing agent is super-hydrophobic carbon nanotube, binder PVDF in embodiment;PTFE is hydrophobic in comparative example
Agent, while there is PTFE caking property to also function as binder.
As can be seen from the table, super-hydrophobic carbon nanotube and the total amount of binder used in Examples 1 to 5 are less than or equal to comparison
Example 1, but contact angle is all larger than 150 ° and is higher than comparative example 1, that is to say, that use less super-hydrophobic carbon nanotube and binder
It just can exceed that the hydrophobicity for using PTFE as hydrophobing agent and binder;And conductivity is 3 times of comparative example 1 or more.Illustrate benefit
The super-hydrophobic gas diffusion layers of performance more preferably high conductivity compared with prior art can be prepared with the present invention.
The above is only specific embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention is disclosed as above with specific embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when using technology contents disclosed above make it is a little change or repair
Decorations are the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, technology according to the present invention are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical solution of the present invention
It is interior.
Claims (12)
1. a kind of super-hydrophobic gas diffusion layers of fuel cell high conductivity, it is characterised in that: include hydrophobic treatment porous, electrically conductive
Base material and super-hydrophobic carbon nanotube/carbon material coated in the hydrophobic treatment porous, electrically conductive base material side are compound micro-
Aperture layer.
2. the super-hydrophobic gas diffusion layers of high conductivity according to claim 1, it is characterised in that: the super-hydrophobic carbon nanometer
Pipe is using the carbon nanotube containing epoxy or carboxyl and containing-NH2The product of the organic compound reaction of group, it is described to contain-NH2Base
The organic compound of group is selected from one of following compounds or a variety of: positive heptyl amice, 2- cyclopenta ethamine, 2- amino-octane, 2-
Amino -6- methyl heptane, 1- amino -6- methyl heptane, 2 ethyl hexylamine, 2- cyclohexylethylamine, n-hexylamine, octane amine, 2- ammonia
Base nonane, positive nonyl amine, 1- decyl amine, positive undecylamine, 2- ammonia hendecane, lauryl amine, tridecyl amine, tetradecy lamine, pentadecyl amine, cetylamine,
Heptadecyl-amine, octadecylamine, 19 amine, 20 amine, aniline, toluidines, phenyl ethylamine, to Methylphenethylamine, 3- phenylpropylamine, second two
Amine, 2- methyl-1,5- 1,5-DAP, 1,6- hexamethylene diamine, 1,7- heptamethylene diamine, 1,8- octamethylenediamine, 1,9- nonamethylene diamine, 1, the 10- last of the ten Heavenly stems
Diamines, 1,11- diamino undecane, 1,12- diamino dodecane, six alkane of 1,16- diamino, 5- (dimethylamino) amylamine, 3-
(dibutylamino) propylamine.
3. the super-hydrophobic gas diffusion layers of high conductivity according to claim 2, it is characterised in that: received in the super-hydrophobic carbon
It is described to contain-NH in mitron2The organic compound of group accounts for the 15~45% of the super-hydrophobic carbon nanotube mass.
4. the super-hydrophobic gas diffusion layers of high conductivity according to claim 1, it is characterised in that: the super-hydrophobic carbon nanotube
For the product containing epoxy group or carboxyl carbon nanotube grafted hydrophobic polymer, the hydrophobic polymer is selected from methyl polysilicone
Alkane, cage modle polysilsesquioxane, polyisobutene, polystyrene, polytetrafluoroethylene (PTFE), Kynoar, one in polyhexafluoropropylene
Kind is a variety of.
5. the super-hydrophobic gas diffusion layers of high conductivity according to claim 4, it is characterised in that: the super-hydrophobic carbon nanometer
The degree of polymerization for the hydrophobic polymer being grafted on pipe is 15~450, and accounts for the 20~85% of the super-hydrophobic carbon nanotubes.
6. the super-hydrophobic gas diffusion layers of high conductivity according to claims 1 to 5, it is characterised in that: the carbon nanotube
For single wall or multi-walled carbon nanotube, draw ratio is 20:1~100:1.
7. high conductivity hydrophobic gas diffusion layer according to claim 1, it is characterised in that: the carbon material is conductive carbon
One of black, active carbon, carbosphere, carbon whisker, graphite powder, acetylene black, graphene or carbon fiber or a variety of mixing, it is described
The partial size of carbon material is 0.01~1.30 μm.
8. high conductivity hydrophobic gas diffusion layer according to claim 1, it is characterised in that: the porous, electrically conductive substrate material
Expect one of the carbon paper crossed for hydrophobic treatment, carbon cloth, carbon felt, foaming metal, porous metals or a variety of.
9. a kind of method for preparing the super-hydrophobic gas diffusion layers of high conductivity, which is characterized in that described method includes following steps:
(1) super-hydrophobic carbon nanotube is added in organic solvent, it is the super of 0.1~3.0mg/mL that ultrasound, which obtains concentration, after stirring
Hydrophobic carbon nanotube/dispersion in organic solvent;
(2) carbon material is slowly added into above-mentioned super-hydrophobic carbon nanotube/dispersion in organic solvent, and be stirred continuously then super
Sound dispersion, then binder is slowly added dropwise and is sufficiently stirred, obtain super-hydrophobic carbon nanotube/carbon material compound slurry;
(3) above-mentioned slurries are coated on by spraying, blade coating, spin coating, slit extrusion coated, electrostatic spinning or print-on coating mode
The side of the porous, electrically conductive base material of hydrophobic treatment, it is then dry in vacuum drying oven at 60~80 DEG C.
10. according to the method described in claim 9, it is characterized by: the super-hydrophobic carbon nano tube/conducting carbon material composite pulp
In liquid, solid content is 1%~45%, and the super-hydrophobic carbon nano-tube material accounts for the 1~15% of total solids content, the bonding
Agent dosage accounts for the 0.1~7% of total solids content.
11. according to the method described in claim 9, it is characterized by: the organic solvent is ethyl alcohol or isopropanol, the carbon materials
Material is one of conductive carbon black, active carbon, carbosphere, carbon whisker, graphite powder, acetylene black, graphene or carbon fiber or a variety of
Mixing, the partial size of the carbon material is 0.01~1.30 μm, and the binder is Kynoar (PVDF) or butadiene-styrene rubber
(SBR) lotion.
12. a kind of fuel cell, it is characterised in that: the fuel cell is led using the height of any of claims 1-8
The super-hydrophobic gas of high conductivity of method preparation described in any one of electrically super-hydrophobic gas diffusion layers or claim 9-11
Diffusion layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910644080.7A CN110444769A (en) | 2019-07-17 | 2019-07-17 | A kind of super-hydrophobic gas diffusion layers of high conductivity and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910644080.7A CN110444769A (en) | 2019-07-17 | 2019-07-17 | A kind of super-hydrophobic gas diffusion layers of high conductivity and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110444769A true CN110444769A (en) | 2019-11-12 |
Family
ID=68430580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910644080.7A Pending CN110444769A (en) | 2019-07-17 | 2019-07-17 | A kind of super-hydrophobic gas diffusion layers of high conductivity and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110444769A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112259746A (en) * | 2020-10-19 | 2021-01-22 | 成都新柯力化工科技有限公司 | Metal tin bonded fuel cell flexible gas diffusion membrane and preparation method thereof |
CN113113617A (en) * | 2021-06-11 | 2021-07-13 | 武汉氢能与燃料电池产业技术研究院有限公司 | Membrane electrode, fuel cell gas diffusion layer and preparation method thereof |
CN113667400A (en) * | 2021-09-03 | 2021-11-19 | 陕西科技大学 | Anti-icing and deicing coating with photo-thermal and self-cleaning performances and preparation method thereof |
CN113707892A (en) * | 2021-08-27 | 2021-11-26 | 广州市香港科大霍英东研究院 | Gas diffusion layer for fuel cell and method for preparing the same |
CN113948715A (en) * | 2021-10-14 | 2022-01-18 | 一汽解放汽车有限公司 | Fuel cell gas diffusion layer and preparation method and application thereof |
CN114023974A (en) * | 2021-11-08 | 2022-02-08 | 重庆大学 | Preparation method of multipurpose gas diffusion electrode with controllable performance, product and application thereof |
CN114068974A (en) * | 2021-10-25 | 2022-02-18 | 上海远瞩新能源科技有限公司 | Fuel cell gas diffusion layer with functional structure and preparation method thereof |
CN114149787A (en) * | 2021-10-09 | 2022-03-08 | 东风汽车集团股份有限公司 | Anti-ice hydrophobic agent for fuel cell, microporous layer slurry and GDL and preparation method thereof |
CN114256469A (en) * | 2021-12-10 | 2022-03-29 | 国家电投集团氢能科技发展有限公司 | Gas diffusion layer for fuel cell, preparation method thereof and fuel cell |
CN114335570A (en) * | 2021-12-22 | 2022-04-12 | 苏州大学 | Gas diffusion layer for fuel cell and preparation method and application thereof |
CN114361479A (en) * | 2021-12-22 | 2022-04-15 | 苏州大学 | High-output power fuel cell and preparation method thereof |
CN115133048A (en) * | 2022-08-09 | 2022-09-30 | 一汽解放汽车有限公司 | Gas diffusion layer and preparation method and application thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1379917A (en) * | 1999-10-12 | 2002-11-13 | 卡伯特公司 | Modified carbon products useful in gas diffusion electrodes |
CN1642853A (en) * | 2002-01-11 | 2005-07-20 | 御国色素株式会社 | Carbonaceous material and dispersion containing the same |
CN103828105A (en) * | 2011-09-21 | 2014-05-28 | 西格里碳素欧洲公司 | Gas diffusion layer with improved electrical conductivity and gas permeability |
-
2019
- 2019-07-17 CN CN201910644080.7A patent/CN110444769A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1379917A (en) * | 1999-10-12 | 2002-11-13 | 卡伯特公司 | Modified carbon products useful in gas diffusion electrodes |
CN1642853A (en) * | 2002-01-11 | 2005-07-20 | 御国色素株式会社 | Carbonaceous material and dispersion containing the same |
CN103828105A (en) * | 2011-09-21 | 2014-05-28 | 西格里碳素欧洲公司 | Gas diffusion layer with improved electrical conductivity and gas permeability |
Non-Patent Citations (3)
Title |
---|
HAIQING YAO,ET AL.: "Electrically conductive superhydrophobic octadecylamine-functionalized multiwall carbon nanotube films", 《CARBON》 * |
LONG-YUE MENG,ET AL.: "Improvement of Superhydrophobicity of Multi-Walled Carbon Nanotubes Produced by Fluorination", 《CARBON LETTERS》 * |
YONG TANG,ET AL.: "Covalent Functionalization of Carbon Nanotubes With Polyhedral Oligomeric Silsequioxane for Superhydrophobicity and Flame Retardancy", 《POLYMER ENGINEERING AND SCIENCE》 * |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112259746A (en) * | 2020-10-19 | 2021-01-22 | 成都新柯力化工科技有限公司 | Metal tin bonded fuel cell flexible gas diffusion membrane and preparation method thereof |
CN113113617A (en) * | 2021-06-11 | 2021-07-13 | 武汉氢能与燃料电池产业技术研究院有限公司 | Membrane electrode, fuel cell gas diffusion layer and preparation method thereof |
CN113707892A (en) * | 2021-08-27 | 2021-11-26 | 广州市香港科大霍英东研究院 | Gas diffusion layer for fuel cell and method for preparing the same |
CN113667400A (en) * | 2021-09-03 | 2021-11-19 | 陕西科技大学 | Anti-icing and deicing coating with photo-thermal and self-cleaning performances and preparation method thereof |
CN114149787A (en) * | 2021-10-09 | 2022-03-08 | 东风汽车集团股份有限公司 | Anti-ice hydrophobic agent for fuel cell, microporous layer slurry and GDL and preparation method thereof |
CN113948715A (en) * | 2021-10-14 | 2022-01-18 | 一汽解放汽车有限公司 | Fuel cell gas diffusion layer and preparation method and application thereof |
CN114068974A (en) * | 2021-10-25 | 2022-02-18 | 上海远瞩新能源科技有限公司 | Fuel cell gas diffusion layer with functional structure and preparation method thereof |
CN114023974A (en) * | 2021-11-08 | 2022-02-08 | 重庆大学 | Preparation method of multipurpose gas diffusion electrode with controllable performance, product and application thereof |
CN114256469A (en) * | 2021-12-10 | 2022-03-29 | 国家电投集团氢能科技发展有限公司 | Gas diffusion layer for fuel cell, preparation method thereof and fuel cell |
CN114335570A (en) * | 2021-12-22 | 2022-04-12 | 苏州大学 | Gas diffusion layer for fuel cell and preparation method and application thereof |
CN114361479A (en) * | 2021-12-22 | 2022-04-15 | 苏州大学 | High-output power fuel cell and preparation method thereof |
WO2023116939A1 (en) * | 2021-12-22 | 2023-06-29 | 苏州大学 | High-output-power fuel cell and preparation method therefor |
CN114335570B (en) * | 2021-12-22 | 2024-05-17 | 苏州大学 | Gas diffusion layer for fuel cell and preparation method and application thereof |
CN114361479B (en) * | 2021-12-22 | 2024-05-17 | 苏州大学 | High-output power fuel cell and preparation method thereof |
CN115133048A (en) * | 2022-08-09 | 2022-09-30 | 一汽解放汽车有限公司 | Gas diffusion layer and preparation method and application thereof |
CN115133048B (en) * | 2022-08-09 | 2024-04-09 | 一汽解放汽车有限公司 | Gas diffusion layer and preparation method and application thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110444769A (en) | A kind of super-hydrophobic gas diffusion layers of high conductivity and preparation method thereof | |
CN1288779C (en) | Polyelectrolyte fuel cell | |
CN104871354B (en) | For fuel cell enhancing composite membrane and include the membrane electrode assembly of the enhancing composite membrane | |
CN110492124A (en) | A kind of high conductivity hydrophobic gas diffusion layer and preparation method thereof | |
US7846614B2 (en) | Electrode for solid polymer electrolyte fuel cell | |
US8007953B2 (en) | Process for producing membrane/electrode assembly for polymer electrolyte fuel cell | |
CN100517836C (en) | Membrane electrode assembly for fuel cell, method of preparing the same, and fuel cell using the membrane electrode assembly for fuel cell | |
CN101235250B (en) | Coating slurry, method for producing composite membrane using the coating slurry, membrane-electrode assembly and fuel cell | |
CN101557001B (en) | Fuel cell film electrode and preparation method thereof | |
JP2009187848A (en) | Fuel cell | |
CN107293765A (en) | A kind of fuel battery gas diffusion layer structure | |
JP2007123253A (en) | Paste composition for catalyst layer formation, transfer sheet for manufacturing catalyst layer-electrolyte membrane laminate, and catalyst layer-electrolyte membrane laminate | |
JP2018073603A (en) | Composition for coating, coat layer-attached separator, coat layer-attached collector plate, and fuel battery | |
Gupta et al. | A study on synthesis of chemical crosslinked polyvinyl alcohol-based alkaline membrane for the use in low-temperature alkaline direct ethanol fuel cell | |
CN108767297A (en) | A kind of preparation method of fuel cell membrane electrode | |
WO2017154475A1 (en) | Catalyst composition, method for producing polymer electrolyte membrane electrode assembly, and polymer electrolyte membrane electrode assembly | |
JP2008171702A (en) | Manufacturing method of fuel cell assembly, manufacturing method of fuel cell, fuel cell assembly and fuel cell | |
WO2021179201A1 (en) | Gas diffusion layer for proton exchange membrane fuel cell and preparation method therefor | |
JP4649094B2 (en) | Manufacturing method of membrane electrode assembly for fuel cell | |
JP2015195187A (en) | Method of manufacturing membrane electrode assembly for solid-state polymer fuel battery, and paste for forming intermediate layer | |
WO2016190248A1 (en) | Fluorine-containing carbon particles, method for producing same, and use thereof | |
JP2005149745A (en) | Gas diffusion electrode for fuel cell and its manufacturing method | |
Zhang et al. | Titanate-grafted carbon black-facilitated MPLs for advanced proton exchange membrane fuel cells | |
JP4787474B2 (en) | Method for producing laminated film for membrane-electrode assembly | |
JP2012074224A (en) | Solid polymer fuel battery membrane electrode assembly, solid polymer fuel battery single cell, solid polymer fuel battery stack, solid polymer fuel battery membrane electrode assembly manufacturing method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 519180 No. 209, Pearl Peak Avenue, Jingan Town, Doumen District, Zhuhai City, Guangdong Province (South First Floor of A Factory Building) Applicant after: Zhuhai CosMX Battery Co.,Ltd. Address before: 519180 No. 209, Pearl Peak Avenue, Jingan Town, Doumen District, Zhuhai City, Guangdong Province (South First Floor of A Factory Building) Applicant before: ZHUHAI COSLIGHT BATTERY Co.,Ltd. |
|
CB02 | Change of applicant information | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
|
RJ01 | Rejection of invention patent application after publication |