JP6508990B2 - 多孔質金属およびその製造方法並びに蓄電装置 - Google Patents
多孔質金属およびその製造方法並びに蓄電装置 Download PDFInfo
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- JP6508990B2 JP6508990B2 JP2015051416A JP2015051416A JP6508990B2 JP 6508990 B2 JP6508990 B2 JP 6508990B2 JP 2015051416 A JP2015051416 A JP 2015051416A JP 2015051416 A JP2015051416 A JP 2015051416A JP 6508990 B2 JP6508990 B2 JP 6508990B2
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- 229910052751 metal Inorganic materials 0.000 title claims description 141
- 239000002184 metal Substances 0.000 title claims description 141
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 238000003860 storage Methods 0.000 title claims description 18
- 239000011148 porous material Substances 0.000 claims description 65
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 61
- 210000003041 ligament Anatomy 0.000 claims description 60
- 229910045601 alloy Inorganic materials 0.000 claims description 55
- 239000000956 alloy Substances 0.000 claims description 55
- 239000000843 powder Substances 0.000 claims description 50
- 229910052759 nickel Inorganic materials 0.000 claims description 30
- 239000011572 manganese Substances 0.000 claims description 26
- 239000000835 fiber Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- 229910052748 manganese Inorganic materials 0.000 claims description 14
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 12
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical group [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 6
- 150000002815 nickel Chemical group 0.000 claims description 4
- 229910003289 NiMn Inorganic materials 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 239000010931 gold Substances 0.000 description 15
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 14
- 229910052737 gold Inorganic materials 0.000 description 14
- 150000002739 metals Chemical class 0.000 description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 11
- 238000001878 scanning electron micrograph Methods 0.000 description 11
- 239000004332 silver Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 10
- 229910052709 silver Inorganic materials 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 3
- 238000005430 electron energy loss spectroscopy Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000002484 cyclic voltammetry Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 238000001350 scanning transmission electron microscopy Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009692 water atomization Methods 0.000 description 2
- 239000003232 water-soluble binding agent Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 229910002481 CuNiMn Inorganic materials 0.000 description 1
- 241000984084 Helianthemum nummularium subsp. grandiflorum Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910016978 MnOx Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Classifications
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- 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
- Y02E60/10—Energy storage using batteries
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- Powder Metallurgy (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
図1(a)から図1(d)は、実施形態1に係る多孔質金属の製造方法を示す図である。図2(a)は、実施形態1に係る多孔質金属の製造方法を示すフローチャートである。図1(a)および図2(a)に示すように、複数の繊維12を有する網状構造体11を準備する(ステップS10)。繊維12の間は空間14が形成されている。繊維12は、例えば炭素を含む繊維であり、例えば有機物繊維である。有機物繊維は例えばセルロース等の炭水化物を主成分とする。網状構造体11は、例えば紙であり、例えば和紙である。繊維12の直径は例えば100nmから50μmであり、例えば1μmから10μmである。空間14の大きさは例えば100nmから100μmであり、例えば1μmから50μmである。
図2(b)は、実施形態2に係る蓄電装置を示す断面図である。図2(b)に示すように、蓄電装置30は、正極32、負極36および電解質34を備えている。蓄電装置30は、例えば、リチウム空気電池、二次電池、または電気二重層キャパシタである。正極32および負極36の少なくとも一方の電極に実施形態1の多孔質金属10を用いることができる。多孔質金属10は、例えば導電性材料に保持されていてもよいし、多孔質金属10を単独で用いてもよい。
11 網状構造体
12 繊維
14 空間
15 網状合金
16 金属粉体または合金粉体
18、22 リガメント
20、24、26 細孔
30 蓄電装置
32 正極
34 電解質
36 負極
Claims (5)
- ニッケルとマンガンとからなる金属リガメントと第1細孔とを含み、
前記金属リガメントには、前記第1細孔より小さい第2細孔が形成されており、
前記金属リガメントの表面積は65m2/g以上であり、
前記金属リガメントのマンガン濃度は30モル%以下であり、
前記金属リガメントの表面はニッケル原子に結合した水酸基および酸化マンガンを有することを特徴とする多孔質金属。 - 前記請求項1記載の多孔質金属を含む電極を具備することを特徴とする蓄電装置。
- 炭素を含む複数の繊維を有する網状構造体にNiMn合金からなる粉体を付着させる工程と、
前記粉体が付着した網状構造体を熱処理することにより、前記網状構造体を焼失させ、前記粉体を焼結し、前記粉体から第1細孔を有する合金を形成する工程と、
前記合金のうちMnを選択的に腐食する溶液を用いMnを除去することにより、前記第1細孔と前記第1細孔より小さい第2細孔とを含み、ニッケルおよびマンガンからなり、マンガン濃度は30モル%以下であり、表面にニッケル原子に結合した水酸基と酸化マンガンを有する多孔質金属を形成する工程と、
を含むことを特徴とする多孔質金属の製造方法。 - 前記多孔質金属の表面積は65m 2 /g以上であることを特徴とする請求項3記載の多孔質金属の製造方法。
- 前記網状構造体は、和紙であることを特徴とする請求項3または4記載の多孔質金属の製造方法。
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CN108878768B (zh) * | 2017-05-08 | 2020-12-04 | 清华大学 | 锂离子电池负极及锂离子电池 |
JP7016868B2 (ja) * | 2017-07-18 | 2022-02-07 | 住友電気工業株式会社 | 金属多孔体およびニッケル水素電池用の集電体 |
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JPH06299273A (ja) * | 1993-04-09 | 1994-10-25 | Koizumi Seisakusho:Kk | 金属多孔体の製造方法と金属多重多孔体 |
JP2010144246A (ja) * | 2008-12-22 | 2010-07-01 | National Institute Of Advanced Industrial Science & Technology | 微細孔ニッケル多孔質体並びに微細孔ニッケル−銅合金多孔質体の製造方法、その製品 |
US20150017464A1 (en) * | 2011-12-28 | 2015-01-15 | Taisei Kogyo Co., Ltd. | Porous sintered body and process for producing porous sintered body |
JP6454265B2 (ja) * | 2013-03-05 | 2019-01-16 | 太盛工業株式会社 | 多孔質焼結体及び多孔質焼結体の製造方法 |
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