JP5837307B2 - 多孔性微粒子の製造方法 - Google Patents
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
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- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- -1 fluoride ions Chemical class 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 claims 1
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- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
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- 238000005868 electrolysis reaction Methods 0.000 description 3
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- 229920000642 polymer Polymers 0.000 description 3
- 229910021426 porous silicon Inorganic materials 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
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- 238000002048 anodisation reaction Methods 0.000 description 1
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- 239000012153 distilled water Substances 0.000 description 1
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- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
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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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Description
図1は、本発明に係る多孔性微粒子の製造に用いるバレル電解エッチング装置の概略構成を示している。図1において、1はバレル電解エッチング装置全体を示しており、電解槽2中に電解液3が収容されるとともに、電解液3中に、横断面六角形のバレル4(バレル電解セル)が設けられている。バレル4はその内部に電解液3が自由に出入りできるように構成されており、バレル4内には、電極5が配置されている。本実施形態では、電極5は、バレル4の内面側において、横断面六角形の各対角部分に設置されている。各電極5は、バレル4の一端に設けられた集電板6に電気的に接続されており、該集電板6は、直流電源7の陽極側に接続されている。直流電源7の陰極側には、電解液3中に配置された対極8が接続されており、電解液3中に配置された電極5と対極8との間の通電により、電極5に接触する導電可能物体に対して電解エッチングを行うことができるようになっている。このバレル4内に、金属または半導体のうち少なくともいずれか一つを含む微粒子9が分散されて収納され、バレル4が図の矢印で示すように回転されながら、本発明における電気化学反応としての電解エッチング反応が進行されて、本発明に係る多孔性微粒子が製造される。
直径1.1mmのシリコン微粒子(抵抗値:0.1Ωcm)を1wt%フッ酸溶液中に浸漬し、表面のシリカ層を除去した。この後、シリコン微粒子を、バレル電解セル中に導入し、10wt%のフッ酸を含むジメチルスルホキシド溶液(電解液)中で、浴温0度、2mA/cm2の定電流条件下でバレルを回転させながら3時間電解処理を行った。この時、バレル内には、チタンの板を電極としてセットし、バレルを浸漬した電解液槽には、Pt板を対極に用いた。電解エッチングの後、蒸留水で洗浄することにより表面に多孔質構造を有するシリコン微粒子を得た。 図4は、バレル電解エッチング後のシリコン微粒子の表面を電子顕微鏡で観察した結果を示したものであり、全面にわたって均一に細孔が形成されていることが分かる。
2 電解槽
3 電解液
4 バレル
5 電極
6 集電板
7 直流電源
8 対極
9 微粒子
11 金属または半導体からなる微粒子
12 多孔性微粒子
13 コアを有する微粒子
14 多孔性微粒子
Claims (8)
- 金属または半導体のうち少なくともいずれか一つを含む微粒子を、電解液中に設けられたバレル内に分散させ、電解液中でバレルを回転させながら、微粒子がバレル内に配置された電極に直接的にまたは他の微粒子を介して間接的に接触したときに微粒子表面で電解エッチング反応を進行させて細孔を形成することにより、微粒子表面に多孔質構造を形成することを特徴とする、多孔性微粒子の製造方法。
- 径が10nmから100μmの範囲の細孔を形成する、請求項1に記載の多孔性微粒子の製造方法。
- 深さが10nmから500μmの範囲の細孔を形成する、請求項1または2に記載の多孔性微粒子の製造方法。
- 細孔を微粒子表面に対して直行した形状に形成する、請求項1〜3のいずれかに記載の多孔性微粒子の製造方法。
- 微粒子のサイズが1μmから20mmの範囲にある、請求項1〜4のいずれかに記載の多孔性微粒子の製造方法。
- 微粒子の材質がアルミニウム、金、スズ、タンタル、ニオブ、銀、白金、パラジウム、マグネシウム、カドミウム、亜鉛、シリコン、酸化チタン、酸化亜鉛、インジウムリン、ガリウムヒ素のうち少なくともいずれか一つを含むものである、請求項1〜5のいずれかに記載の多孔性微粒子の製造方法。
- シリコン微粒子に対し、フッ化物イオンを含む電解液中で電解エッチングを行う、請求項1〜6のいずれかに記載の多孔性微粒子の製造方法。
- アルミニウム微粒子に対し、塩化物イオンを含む電解液中で電解エッチングを行う、請求項1〜6のいずれかに記載の多孔性微粒子の製造方法。
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JP6206045B2 (ja) * | 2013-09-30 | 2017-10-04 | Tdk株式会社 | 負極活物質、負極活物質を含む負極及び負極を含むリチウムイオン二次電池 |
CN112840422B (zh) * | 2018-10-12 | 2023-03-31 | 东洋铝株式会社 | 铝电解电容器用电极材料的制造方法 |
CN112877764B (zh) * | 2021-01-11 | 2022-04-22 | 西安理工大学 | 一种电化学腐蚀制备宏观尺寸多孔ZnO的方法 |
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JP3296543B2 (ja) * | 1996-10-30 | 2002-07-02 | スズキ株式会社 | めっき被覆アルミニウム合金、及びそのシリンダーブロック、めっき処理ライン、めっき方法 |
JP2004327330A (ja) * | 2003-04-25 | 2004-11-18 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池用電極材料とその製造方法、ならびにそれを用いた非水電解質二次電池 |
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