CN108554434A - 金属@石墨化碳/石墨烯复合物电催化剂材料及其制备方法 - Google Patents
金属@石墨化碳/石墨烯复合物电催化剂材料及其制备方法 Download PDFInfo
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- CN108554434A CN108554434A CN201810336241.1A CN201810336241A CN108554434A CN 108554434 A CN108554434 A CN 108554434A CN 201810336241 A CN201810336241 A CN 201810336241A CN 108554434 A CN108554434 A CN 108554434A
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- nitrate
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 69
- 239000002184 metal Substances 0.000 title claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000010411 electrocatalyst Substances 0.000 title claims abstract description 11
- 239000012621 metal-organic framework Substances 0.000 claims abstract description 27
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 12
- 239000010439 graphite Substances 0.000 claims abstract description 12
- 229910000765 intermetallic Inorganic materials 0.000 claims abstract description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052796 boron Inorganic materials 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims abstract description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 21
- 229910052759 nickel Inorganic materials 0.000 claims description 20
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 18
- 239000003446 ligand Substances 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- -1 potassium ferricyanide Chemical compound 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 8
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000276 potassium ferrocyanide Substances 0.000 claims description 6
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 claims description 5
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 4
- 150000002736 metal compounds Chemical class 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 4
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003463 adsorbent Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims description 2
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 2
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- GJNPZTQCFSCRKK-UHFFFAOYSA-N [C-]#N.[Mn+2].[K+].[C-]#N.[C-]#N Chemical compound [C-]#N.[Mn+2].[K+].[C-]#N.[C-]#N GJNPZTQCFSCRKK-UHFFFAOYSA-N 0.000 claims description 2
- NTBUQGGJVYNYFE-UHFFFAOYSA-N [Na].[Na].[Na].C(C1=CC(C(=O)O)=CC(C(=O)O)=C1)(=O)O Chemical compound [Na].[Na].[Na].C(C1=CC(C(=O)O)=CC(C(=O)O)=C1)(=O)O NTBUQGGJVYNYFE-UHFFFAOYSA-N 0.000 claims description 2
- 159000000021 acetate salts Chemical class 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- LXWJYIBQIPSFSE-UHFFFAOYSA-N dipotassium;nickel(2+);tetracyanide Chemical compound [K+].[K+].[Ni+2].N#[C-].N#[C-].N#[C-].N#[C-] LXWJYIBQIPSFSE-UHFFFAOYSA-N 0.000 claims description 2
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 2
- 239000011790 ferrous sulphate Substances 0.000 claims description 2
- 239000008246 gaseous mixture Substances 0.000 claims description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 2
- 150000002460 imidazoles Chemical class 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 235000002867 manganese chloride Nutrition 0.000 claims description 2
- 239000011565 manganese chloride Substances 0.000 claims description 2
- 229940099607 manganese chloride Drugs 0.000 claims description 2
- 229940099596 manganese sulfate Drugs 0.000 claims description 2
- 235000007079 manganese sulphate Nutrition 0.000 claims description 2
- 239000011702 manganese sulphate Substances 0.000 claims description 2
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 claims description 2
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 2
- 229910001510 metal chloride Inorganic materials 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- 229910001960 metal nitrate Inorganic materials 0.000 claims description 2
- XLSZMDLNRCVEIJ-UHFFFAOYSA-N methylimidazole Natural products CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 claims description 2
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 2
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 2
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 2
- 239000012266 salt solution Substances 0.000 claims description 2
- GTSHREYGKSITGK-UHFFFAOYSA-N sodium ferrocyanide Chemical compound [Na+].[Na+].[Na+].[Na+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] GTSHREYGKSITGK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000264 sodium ferrocyanide Substances 0.000 claims description 2
- 235000012247 sodium ferrocyanide Nutrition 0.000 claims description 2
- 239000006228 supernatant Substances 0.000 claims description 2
- LGRDAQPMSDIUQJ-UHFFFAOYSA-N tripotassium;cobalt(3+);hexacyanide Chemical compound [K+].[K+].[K+].[Co+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] LGRDAQPMSDIUQJ-UHFFFAOYSA-N 0.000 claims description 2
- 235000005074 zinc chloride Nutrition 0.000 claims description 2
- 239000011592 zinc chloride Substances 0.000 claims description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 2
- 229960001763 zinc sulfate Drugs 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 150000002823 nitrates Chemical class 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- NGATWIKLQRJVRN-UHFFFAOYSA-N phthalic acid;sodium Chemical compound [Na].[Na].OC(=O)C1=CC=CC=C1C(O)=O NGATWIKLQRJVRN-UHFFFAOYSA-N 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 19
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 abstract description 4
- 239000002243 precursor Substances 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 238000005229 chemical vapour deposition Methods 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000007864 aqueous solution Substances 0.000 description 14
- 229910002555 FeNi Inorganic materials 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- PWKNBLFSJAVFAB-UHFFFAOYSA-N 1-fluoro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1F PWKNBLFSJAVFAB-UHFFFAOYSA-N 0.000 description 1
- 241000219991 Lythraceae Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- 235000014360 Punica granatum Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- GCFSKCZBSOKYLJ-UHFFFAOYSA-N [Na].O[PH2]=O Chemical compound [Na].O[PH2]=O GCFSKCZBSOKYLJ-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- ZGRKFKYTCMLCCF-UHFFFAOYSA-N cobalt;oxalonitrile Chemical compound [Co].N#CC#N ZGRKFKYTCMLCCF-UHFFFAOYSA-N 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NLEUXPOVZGDKJI-UHFFFAOYSA-N nickel(2+);dicyanide Chemical compound [Ni+2].N#[C-].N#[C-] NLEUXPOVZGDKJI-UHFFFAOYSA-N 0.000 description 1
- XWNPLAZTJRRXIW-UHFFFAOYSA-N nickel;urea Chemical compound [Ni].NC(N)=O XWNPLAZTJRRXIW-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
-
- 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
- H01M4/90—Selection of catalytic material
- H01M4/9041—Metals or alloys
-
- 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
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Abstract
本发明属于电催化材料技术领域,具体为一种金属@石墨化碳/石墨烯复合物电催化剂材料及其制备方法。本发明首先采用过量金属诱导的复合策略合成金属有机骨架材料(MOF)/石墨烯复合物,然后利用石墨烯的微波吸附致热效应瞬间产生的高温将MOF转化成金属和含碳的气体,实现核壳结构金属@石墨化碳类似于化学气相沉积的秒级合成,进而得到金属@石墨化碳/石墨烯复合物。通过改变MOF的组分或者在微波过程中引入N、P、S、B等元素前驱体,获得一系列核壳结构金属和金属化合物@异质原子掺杂石墨化碳壳/石墨烯复合物。本发明制备方法工艺简单,成本低廉,原料资源丰富;制备的电催化剂材料催化活性高,循环寿命长,可成为水分解设备、金属空气电池和燃料电池的下一代催化剂材料。
Description
技术领域
本发明属于电催化剂材料技术领域,具体涉及HER、OER和ORR电催化剂材料及其制备方法。
背景技术
随着能源危机和环境污染的不断加剧,高效的能源存储和转化技术包括水分解设备,金属空气电池和燃料电池等的开发势在必然。这些器件的发展强烈依赖可用于析氢反应(HER),析氧反应(OER)和氧还原反应(ORR)等催化剂的发展。然而目前商用的催化剂主要是基于贵金属和贵金属氧化物的高成本催化剂,这大大限制了这些器件的进一步发展。因此具有与贵金属和贵金属氧化物类似催化活性的低成本催化剂的开发是目前的一个研究热点。
近几年人们对低成本过渡金属和过渡金属化合物的催化性能进行了广泛的研究。尽管有些过渡金属和过渡金属化合物表现出了与贵金属和金属氧化物类似的活性,但是其在强酸,强碱和高温的反应体系中的稳定性仍然有待提高。鉴于以上问题,最近人们开发出一类新型核壳结构金属(或者金属化合物)@石墨化碳(M@C)基催化剂。该催化剂利用M/C异质结中金属到石墨烯的电荷转移调控石墨烯壳的电子结构使其拥有很高的电催化活性,同时利用石墨烯壳保护内核金属使该类催化剂具有很好的稳定性。更重要的是M/C异质结两侧的组分可以通过掺杂等途径进行简洁而有效地调控,这使该类催化剂在HER,OER和ORR等催化过程中扮演着越来越重要的作用。初步的研究结构表明电荷转移的电子只能达到三到四层厚石墨烯表面,石墨烯层数的减少可以加速电荷转移,进而增加其催化性能,因此设法构建寡层石墨烯包裹的金属和金属化合物催化剂是目前重要的研究方向。
目前M@C的合成方法主要依赖于金属和碳前驱体混合物或者复合物,尤其是MOF的高温热分解。然而利用该法合成的通常是碳管包裹的分立的金属(或者金属化合物)纳米颗粒或者石榴状M@C聚集体而且通常情况下碳壳的厚度很大。这不仅会大大降低与可参与电催化反应的M/C异质结的比例,而且会降低M/C异质结的本征活性。另外该方法需要很长的高温反应时间和大量的惰性气体消耗,这无疑大大增加了其制备成本,使其工业化进程异常缓慢。另外,在对M/C两侧组分进行调节时很可能会引入和产生很多有毒的,腐蚀性的物质和气体如氨气和磷化氢等,这不仅会对加热设备产生极大的破坏,还会造成严重的环境污染。因此目前亟需开发出具有理想结构M@C以及其低成本合成方法。
发明内容
本发明的目的是提供一种催化活性高、循环寿命长的具有少层石墨化碳壳的金属@石墨化碳/石墨烯复合物电催化剂材料及其制备方法。
本发明提供高活性的金属@石墨化碳/石墨烯复合物电催化剂材料的制备方法,具体步骤如下:
(1)利用过量金属离子诱导的复合策略制备金属有机骨架材料(MOF)/氧化石墨烯复合物
把配体配成0.1-10 M的溶液,取0.01-0.1 mL 加入1-10 mL、 1-10 mg/mL 氧化石墨烯中,摇匀后加入0.1-1.0 mL 、0.1-10 M的金属盐离子溶液,形成MOF/氧化石墨烯复合物溶液;将上述溶液使用离心机 5000-20000 rpm离心5-30 min,倒掉上层液体,加入适量的去离子水或者含有非金属元素前驱体的去离子水溶液;然后冷冻干燥,获得MOF/氧化石墨烯或者含有非金属元素前驱体的MOF/氧化石墨烯海绵;
(2)利用微波辅助的热转化方法制备金属@石墨化碳/石墨烯复合物
将步骤(1)中所得的MOF/氧化石墨烯海绵或者含有非金属元素前驱体的MOF/氧化石墨烯海绵5-50 mg 转入非氧化性气氛的手套箱中,并密封在含有少量微波吸附剂的50-500mL石英瓶中;然后将上述石英瓶置于微波炉中,采用200-1000 W的功率辐射1-10 min,即得金属或金属化合物@石墨化碳/石墨烯复合物电催化剂材料。
这里,“M/N”表示“M和N”,A@B 表示以为核、以B为壳的核壳结构。
步骤(1)中,所用氧化石墨烯为使用改进hummers法制备的氧化石墨烯。
步骤(1)中,所用配体选自氰基配体、羧酸基配体和咪唑基配体。具体可以为亚铁氰化钾,铁氰化钾,亚铁氰化钠,镍氰化钾,镍氰化钠,锰氰化钾,锰氰化钠,钴氰化钾,钴氰化钠,对苯二甲酸二钠,均苯三甲酸三钠,甲基咪唑,苯并咪唑等其中的一种或者多种。
步骤(1)中,所用金属盐选自金属硝酸盐、金属硫酸盐、金属醋酸盐和金属氯化物。具体可为:氯化铁,氯化亚铁,氯化铜,氯化锌,氯化锰,氯化钴,氯化镍,硫酸亚铁,硫酸铁,硫酸铜,硫酸锌,硫酸锰,硫酸钴,硫酸镍,硝酸铜,硝酸镍,硝酸钴,硝酸锰,硝酸锌,硝酸亚铁,硝酸铁等中的一种或者多种。
步骤(1)中,所述非金属元素选自N、P、S、B等元素,其对应的前驱体为尿素、次磷酸钠、硫脲、硼酸等。
步骤(1)中,MOF/氧化石墨烯的质量比为10:1-1:10,优选质量比为5:1-1:5。
步骤(1)中,MOF/(N、P、S和B等元素前驱体)的摩尔比为10:1-1:10,优选摩尔比为5:1-1:5。
步骤(2)中,所用的微波吸附剂为碳布、石墨烯粉或金属粉等。
步骤(2)中,所用的手套箱非氧化性气氛为氮气、氩气或氩氢混合气等。
步骤(2)中,最终金属或金属化合物在整个复合物中质量比例为:10%-90%,优选质量比例为:30%-70%。
与现有技术相比,本发明的优点和有益效果是:
本发明首先采用过量金属诱导的复合策略合成金属有机骨架材料(MOF)/石墨烯复合物,然后利用石墨烯的微波吸附致热效应瞬间产生的高温(>1500℃)将MOF转化成金属和含碳的气体,实现核壳结构金属@石墨化碳类似于化学气相沉积的秒级(<10 s)合成,进而得到金属@石墨化碳/石墨烯复合物。通过改变MOF的组分或者在微波过程中引入N, P, S, B等元素前驱体,获得一系列核壳结构金属和金属化合物@异质原子掺杂石墨化碳壳/石墨烯复合物。本发明制备方法工艺简单,成本低廉,原料资源丰富;本发明方法还可以方便地调节金属(或金属化合物)和石墨化碳壳的组分。基于上述复合材料的不同组分,可以将其用于析氢反应(HER),析氧反应(OER)和氧还原反应(ORR)等反应的单功能和多功能电催化剂材料。制备的材料价格低廉,石墨化碳壳薄(厚度小于5层),活性金属/石墨化碳壳界面占比高,催化活性高,循环寿命长,可成为水分解设备、金属空气电池和燃料电池的下一代催化剂材料。
附图说明
图1(a)为FeNi@石墨化碳壳/石墨烯,图1(b)FeNiNP@石墨化碳壳/石墨烯的透射电镜电镜图。
图2(a)为FeNi@石墨化碳壳/石墨烯的OER性能图,图2(b)为FeNiNP@石墨化碳壳/石墨烯的HER性能图。
具体实施方式
下面结合实施例对本发明的技术方案作进一步的说明,但不局限于以下实施例,凡是对本发明技术方案进行修改或者等同替换,而不脱离本发明技术方案的范围,都属于本发明保护的范围。
实施例 1:
利用改进hummers法获得4 mg/mL GO水溶液。在搅拌下把0.02 mL 0.5 M的亚铁氰化钾溶液加入1 mL GO水溶液中,摇匀后向其中加入0.2 mL 0.5 M氯化镍溶液,得到亚铁氰化镍/石墨烯复合物,并水洗3次。将所得亚铁氰化镍/石墨烯复合物分散在1 mL水中,用液氮冷冻,然后至于冷中干燥器中冻干16-24h,得到亚铁氰化镍/石墨烯海绵(图1)。
将上述亚铁氰化镍/石墨烯海绵转入到含有氩气的手套箱中,并密封在含有少量碳布的50 mL石英瓶中。然后将上述石英瓶置于家用微波炉中,采用1000 W的功率辐射10 s即可得到FeNi@氮掺杂石墨烯化碳/石墨烯复合物催化剂(图1a)。作为OER催化剂,其获得10mA cm-2的电流密度时所需的过电势为260 mV左右。
实施例 2:
利用改进hummers法获得4 mg/mL GO水溶液。在搅拌下把0.02 mL 0.5 M的亚铁氰化钾溶液加入1 mL GO水溶液中,摇匀后向其中加入0.2 mL 0.5 M 氯化镍溶液,得到亚铁氰化镍/石墨烯复合物,并水洗3次。将所得亚铁氰化镍/石墨烯复合物分散在1 mL 0.6 M 尿素水溶液中,用液氮冷冻,然后至于冷中干燥器中冻干16-24h,得到含有尿素的亚铁氰化镍/石墨烯海绵(图1)。
将上述含有尿素的亚铁氰化镍/石墨烯海绵转入到含有氩气的手套箱中,并密封在含有少量碳布的50 mL石英瓶中。然后将上述石英瓶置于家用微波炉中,采用1000 W的功率辐射10 s即可得到FeNi氮化物@氮掺杂石墨烯化碳/石墨烯复合物催化剂。作为OER催化剂,其获得10 mA cm-2的电流密度时所需的过电势为270 mV左右。
实施例 3:
利用改进hummers法获得4 mg/mL GO水溶液。在搅拌下把0.02 mL 0.5 M的亚铁氰化钾溶液加入1 mL GO水溶液中,摇匀后向其中加入0.2 mL 0.5 M 氯化镍溶液,得到亚铁氰化镍/石墨烯复合物,并水洗3次。将所得亚铁氰化镍/石墨烯复合物分散在1 mL 0.6 M 次磷酸钠水溶液中,用液氮冷冻,然后至于冷中干燥器中冻干16-24h,得到含有次磷酸钠的亚铁氰化镍/石墨烯海绵(图1)。
将上述含有次磷酸钠的亚铁氰化镍/石墨烯海绵转入到含有氩气的手套箱中,并密封在含有少量碳布的50 mL石英瓶中。然后将上述石英瓶置于家用微波炉中,采用1000 W的功率辐射10 s即可得到FeNi磷化物@氮,磷共掺杂石墨烯化碳/石墨烯复合物催化剂。作为OER催化剂,其获得20 mA cm-2的电流密度时所需的过电势为260 mV左右。
实施例 4:
利用改进hummers法获得4 mg/mL GO水溶液。在搅拌下把0.02 mL 0.5 M的亚铁氰化钾溶液加入1 mL GO水溶液中,摇匀后向其中加入0.2 mL 0.5 M 氯化镍溶液,得到亚铁氰化镍/石墨烯复合物,并水洗3次。将所得亚铁氰化镍/石墨烯复合物分散在1 mL 0.3 M 次磷酸钠和0.3 M 尿素水溶液中,用液氮冷冻,然后至于冷中干燥器中冻干16-24h,得到含有次磷酸钠和尿素的亚铁氰化镍/石墨烯海绵(图1)。
将上述含有次磷酸钠和尿素的亚铁氰化镍/石墨烯海绵转入到含有氩气的手套箱中,并密封在含有少量碳布的50 mL石英瓶中。然后将上述石英瓶置于家用微波炉中,采用1000 W的功率辐射10 s即可得到FeNi氮磷化物@氮,磷共掺杂石墨烯化碳/石墨烯复合物催化剂。作为HER催化剂,其获得10 mA cm-2的电流密度时所需的过电势为160 mV左右。
实施例 5:
利用改进hummers法获得4 mg/mL GO水溶液。在搅拌下把0.02 mL 0.5 M的亚铁氰化钾溶液加入1 mL GO水溶液中,摇匀后向其中加入0.2 mL 0.5 M 氯化镍溶液,得到亚铁氰化镍/石墨烯复合物,并水洗3次。将所得亚铁氰化镍/石墨烯复合物分散在1 mL 0.6 M 硫脲水溶液中,用液氮冷冻,然后至于冷中干燥器中冻干16-24h,得到含有硫脲的亚铁氰化镍/石墨烯海绵(图1)。
将上述含有硫脲的亚铁氰化镍/石墨烯海绵转入到含有氩气的手套箱中,并密封在含有少量碳布的50 mL石英瓶中。然后将上述石英瓶置于家用微波炉中,采用1000 W的功率辐射10 s即可得到FeNi硫化物@氮,硫共掺杂石墨烯化碳/石墨烯复合物催化剂(图1b)。作为OER催化剂,其获得10 mA cm-2的电流密度时所需的过电势为330 mV左右。
Claims (10)
1.一种金属@石墨化碳/石墨烯复合物电催化剂材料的制备方法,其特征在于,具体步骤如下:
(1)利用过量金属离子诱导制备金属有机骨架材料(MOF)/氧化石墨烯复合物
把配体配成0.1-10 M的溶液,取0.01-0.1 mL 加入1-10 mL、 1-10 mg/mL 氧化石墨烯中,摇匀后加入0.1-1.0 mL 、0.1-10 M的金属盐离子溶液,形成MOF/氧化石墨烯复合物溶液;将上述溶液使用离心机 5000-20000 rpm离心5-30 min,倒掉上层液体,加入适量的去离子水或者含有非金属元素前驱体的去离子水溶液;然后冷冻干燥,获得MOF/氧化石墨烯或者含有非金属元素前驱体的MOF/氧化石墨烯海绵;
其中,所述配体选自氰基配体、羧酸基配体和咪唑基配体;所述金属盐选自金属硝酸盐、金属硫酸盐、金属醋酸盐和金属氯化物;所述非金属元素选自N、P、S和B元素;
(2)利用微波辅助的热转化方法制备金属@石墨化碳/石墨烯复合物
将步骤(1)中所得的MOF/氧化石墨烯海绵或者含有非金属元素前驱体的MOF/氧化石墨烯海绵5-50 mg 转入非氧化性气氛的手套箱中,并密封在含有少量微波吸附剂的50-500mL石英瓶中;然后将上述石英瓶置于微波炉中,采用200-1000 W的功率辐射1-10 min,即得金属或金属化合物@石墨化碳/石墨烯复合物电催化剂材料。
2.根据权利要求1所述的的制备方法,其特征在于,步骤(1)中所用配体为亚铁氰化钾,铁氰化钾,亚铁氰化钠,镍氰化钾,镍氰化钠,锰氰化钾,锰氰化钠,钴氰化钾,钴氰化钠,对苯二甲酸二钠,均苯三甲酸三钠,甲基咪唑,苯并咪唑中的一种或者多种。
3.根据权利要求1或2所述的的制备方法,其特征在于,步骤(1)中所用金属盐为:氯化铁,氯化亚铁,氯化铜,氯化锌,氯化锰,氯化钴,氯化镍,硫酸亚铁,硫酸铁,硫酸铜,硫酸锌,硫酸锰,硫酸钴,硫酸镍,硝酸铜,硝酸镍,硝酸钴,硝酸锰,硝酸锌,硝酸亚铁,硝酸铁中的一种或者多种。
4.根据权利要求3所述的的制备方法,其特征在于,步骤(1)中所用N、P、S、B元素对应的前驱体为尿素、次磷酸钠、硫脲、硼酸。
5.根据权利要求1、2或4所述的的制备方法,其特征在于,步骤(1)中MOF/氧化石墨烯的质量比为10:1-1:10。
6.根据权利要求5所述的的制备方法,其特征在于,步骤(1)中MOF/(N、P、S和B元素前驱体)的摩尔比为10:1-1:10。
7.根据权利要求1、2、4或6所述的的制备方法,其特征在于,步骤(2)中所用的微波吸附剂为碳布、石墨烯粉或金属粉。
8.根据权利要求7所述的的制备方法,其特征在于,步骤(2)中所用的手套箱非氧化性气氛为氮气、氩气或氩氢混合气。
9.根据权利要求1或8所述的的制备方法,其特征在于,步骤(2)中最终金属或金属化合物在整个复合物中质量比例为:10%-90%。
10.一种由权利要求1-9之一所述制备方法得到的金属@石墨化碳/石墨烯复合物电催化剂材料。
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