WO2013008510A1 - 電気二重層キャパシタ用材料 - Google Patents
電気二重層キャパシタ用材料 Download PDFInfo
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- WO2013008510A1 WO2013008510A1 PCT/JP2012/060708 JP2012060708W WO2013008510A1 WO 2013008510 A1 WO2013008510 A1 WO 2013008510A1 JP 2012060708 W JP2012060708 W JP 2012060708W WO 2013008510 A1 WO2013008510 A1 WO 2013008510A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0003—Protection against electric or thermal overload; cooling arrangements; means for avoiding the formation of cathode films
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/56—Solid electrolytes, e.g. gels; Additives therein
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
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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
- Y02E60/13—Energy storage using capacitors
Definitions
- the present invention relates to a material constituting an electric double layer capacitor having a laminated structure of an electrolyte and an internal electrode.
- An electric double layer capacitor is composed of a positive electrode and a negative electrode made of polarizable electrodes, and a separator separating the two electrodes, which are alternately stacked in an outer case to form an electrolyte (an electrolyte dissolved in a solution or an ionic liquid). Etc.) and is a next-generation storage battery that utilizes the capacitance of the electric double layer formed on the surface of the polarizable electrode in the electrolyte.
- an electric double layer capacitor that is generally used, has a polarizable electrode mainly composed of activated carbon, and uses an electrolytic solution mainly composed of an organic solvent such as propylene carbonate (PC) There is.
- Such an electric double layer capacitor is characterized in that an extremely large capacitance can be obtained as compared with a general capacitor such as an aluminum capacitor, and is used for backup of electronic devices such as mobile phones and digital cameras, Wide range of use has begun, from power storage for equipment and photocopiers, power supply for start-up of automobiles during idle stop, power supply for hybrid cars, power storage for peak shaving and leveling of wind power and solar power generation. It is expected as a key device to help save energy and reduce carbon dioxide.
- a cylindrical PAS (Poly Acenic Semi-conductor) capacitor using a solid electrolyte using polyacene has been introduced as an electric double layer capacitor.
- This cylindrical PAS capacitor has a structure in which a PAS electrode formed on an aluminum foil is wound, and flexibility is required for the electrode and the solid electrolyte.
- an organic thin film capacitor in which a film-like dielectric and a film-like internal electrode are alternately laminated for example, a styrene capacitor, a polyester capacitor (mylar capacitor), a polypropylene capacitor, a Teflon (registered trademark) capacitor, There are polyphenylene sulfide capacitors.
- the styrene capacitor is mainly composed of styrene resin, which is a popular plastic used in CD cases, etc., is easy to mold and inexpensive, and has excellent characteristics. The mechanical strength is also insufficient.
- a material in which the alignment of molecules of styrene resin is controlled and crystallized to improve the above-described defects has been used.
- Polyester capacitors (mylar capacitors) are excellent in various characteristics, but have a characteristic that the dielectric absorption is slightly large.
- polypropylene capacitors are characterized by excellent characteristics and high breakdown voltage (about 1000 V).
- Teflon (registered trademark) capacitors can withstand relatively high temperatures as plastic film capacitors, and polyphenylene sulfide capacitors are characterized by good characteristics and excellent heat resistance.
- Patent Document 1 uses a nickel-salen complex as an electrode, since the salen complex has a property as an insulator, a material constituting the electrode of the electric double layer capacitor Not suitable for. Patent Document 1 does not mention the use of a salen complex as a material for forming a solid electrolyte of an electric double layer capacitor.
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a material constituting an electric double layer capacitor that is stable at high temperatures and can be expected to have a high electric capacity.
- the present invention provides a material for an electric double layer capacitor which is used as a material for forming a solid electrolyte of an electric double layer capacitor and is made of a metal-salen complex compound.
- the metal salen complex compound may have self magnetism.
- a compound represented by the following formula (I) can be used as the metal-salen complex compound.
- X and Y are the 5-membered ring structure containing the coordination bond between N and M, or its 6-membered ring structure
- M is a divalent metal element composed of Fe, Cr, Mn, Co, Ni, Mo, Ru, Rh, Pd, W, Re, Os, Ir, Pt, Nd, Sm, Eu, or Gd
- the formula (I) is any one of the following (i) to (iv).
- Each of a to h is Hydrogen, or One of the following (A) to (G) and —C ( ⁇ O) m (where m is hydrogen or any one of the following (A) to (G)).
- (Ii) (c, d) and (f, e) each form part of a heterocyclic structure, and a condensate of the compound represented by the formula (I) and the heterocyclic structure.
- the heterocyclic structure includes furan, thiophene, pyrrole, pyrrolidine, pyrazole, pyrazolone, imidazole, 2-isoimidazole, oxazole, isoxazole, thiazole, imidazole, imidazolidine, oxazoline, oxazolidine, 1,2-pyran, thiazine, Any of 3-7 membered cyclic structures including pyridine, pyridazine, pyrimidine, pyrazine, orthoxazine, oxazine, piperidine, piperazine, triazine, deoxane, morpholine,
- the side chain of the heterocyclic structure is halogen, —R,
- (Iii) (c, d) and (f, e) are respectively A part of a condensed cyclic structure containing benzene or naphthalene and anthracene is formed to form a condensed product of the compound represented by the formula (I) and the condensed cyclic structure.
- a, b, g and h are respectively It is hydrogen or any of the following (A) to (G)
- the side chain of the condensed cyclic structure is halogen, R—O— (where R is one functional group selected from hydrocarbon groups including a methyl group), or hydrogen.
- metal salen complex compound (II) As the compound represented by the formula (I), a compound represented by the following formula (II) (hereinafter referred to as “metal salen complex compound (II)”) can be used.
- metal salen complex compound (III) a compound represented by the following formula (III) (hereinafter referred to as “metal salen complex compound (III)”) can be used.
- metal-salen complex compound (IV) a compound represented by the following formula (IV) (hereinafter referred to as “metal-salen complex compound (IV)”) can be used.
- metal salen complex compound (V) a compound represented by the following formula (V) (hereinafter referred to as “metal salen complex compound (V)”) can be used.
- metal-salen complex compound a compound represented by the following formula (XII) (hereinafter referred to as “metal-salen complex compound (XII)”) can be used.
- metal-salen complex compound (XII) a compound represented by the following formula (XII)
- XII metal-salen complex compound
- M is Fe, Cr, Mn, Co, Ni, Mo, Ru, Rh, Pd, W, Re, Os, Ir, Pt, Nd, Sm, Eu, or Gd
- a to f, Y Are hydrogen (except when a to f and Y are all hydrogen when M is Fe).
- metal-salen complex compound a compound represented by the following formula (XIII) (hereinafter referred to as “metal-salen complex compound (XIII)”) can be used.
- metal-salen complex compound (XIII) a compound represented by the following formula (XIII)
- M is Fe, Cr, Mn, Co, Ni, Mo, Ru, Rh, Pd, W, Re, Os, Ir, Pt, Nd, Sm, Eu, or Gd
- a to f, Y Are hydrogen (except when a to f and Y are all hydrogen when M is Fe).
- metal-salen complex compound a compound represented by the following formula (XIV) (hereinafter referred to as “metal-salen complex compound (XIV)”) can be used.
- metal-salen complex compound (XIV) a compound represented by the following formula (XIV)
- M is Fe, Cr, Mn, Co, Ni, Mo, Ru, Rh, Pd, W, Re, Os, Ir, Pt, Nd, Sm, Eu, or Gd
- a to f, Y Are hydrogen (except when a to f and Y are all hydrogen when M is Fe).
- the present invention it is possible to provide a material that constitutes an electric double layer capacitor that is stable at a high temperature, can ensure sufficient safety, and has a high electric capacity.
- FIG. 1 is a cross-sectional view schematically showing an electric double layer capacitor using an electrode material according to an embodiment of the present invention
- FIG. 2 is a SEM when measuring current-voltage characteristics of a substrate surface according to the embodiment of the present invention.
- FIG. 3 is a diagram showing current-voltage characteristics of the substrate surface
- FIG. 4 is a diagram showing the results of TG-Mass analysis of the iron-salen complex compound according to the embodiment of the present invention.
- FIG. 1 is a schematic diagram, and the relationship between the thickness and the planar dimensions, the ratio of the thickness of each layer, and the like are different from the actual ones. Therefore, specific thicknesses and dimensions should be determined in light of the following description. Moreover, it is a matter of course that portions having different dimensional relationships and ratios are included between the drawings.
- the electric double layer capacitor 1 includes a separator 18, solid electrolytes 13 and 17 disposed on both sides of the separator 18, and the separator 18 of the solid electrolyte 13 on the opposite side.
- the electrode (current collector) 11 arranged on the opposite side of the separator 18 of the solid electrolyte 17, and between the electrode 11 and the electrode 12, and between the separator 18 and the solid Gaskets 15 and 16 are provided on both sides of the electrolytes 13 and 17.
- the iron-salen complex compound is used as the material constituting the solid electrolytes 13 and 17, so that the improvement of the electric capacity and the thermal stability are maintained.
- a gold thin film was used as a material constituting the electrodes 11 and 12.
- An iron-salen complex that is a material constituting the solid electrolytes 13 and 17 according to the present embodiment was manufactured by the following method.
- FIG. 2 shows an SEM image at the time of measurement
- FIG. 3 shows the current-voltage characteristics obtained by the measurement.
- FIG. 3 shows that the thin film made of iron-salen complex deposited on the substrate surface is almost an insulator and has low electrical conductivity.
- observation by SEM shows that the thin film is charged up, which also shows that the electrical conductivity is low.
- the fact that the iron-salen complex compound is a dielectric can also be confirmed by calculating the dipole moment using DMol3 of Materials ⁇ ⁇ Studio ver. That is, this calculation result shows that the dipole moment of the iron-salen complex takes a value three times that of water molecules and has a high dielectric constant.
- TG-Mass ⁇ Thermal stability analysis of iron-salen complex compound: TG-Mass> Next, TG-Mass analysis was performed on the iron-salen complex compound under the following conditions.
- Example 2 an electric double layer capacitor was manufactured in the same manner as in Example 1 except that activated carbon was used instead of the metal film as the material constituting the electrodes 11 and 12.
- activated carbon steam activated charcoal using coconut pattern charcoal or resin charcoal as a raw material, and alkali activated charcoal using resin charcoal or coke as a raw material can be used.
- activated carbon for high performance electric double capacitor electrode Masayuki Kamito, Eisuke Haba, Junichi Takei, Hitachi Chemical Technical Report No. 51 (2008-7), pages 13 to 16, Alkaline activated charcoal synthesized using phenol resin as a precursor was used.
- the electric double layer capacitor obtained in Example 2 was stable at a high temperature and a high electric capacity was obtained.
- the metal-salen complex compounds other than the iron-salen complex compound include chromium-salen complex compound, manganese-salen complex compound, cobalt-salen complex compound, nickel-salen complex compound, molybdenum-salen complex compound, rubidium-salen complex compound, osmium-salen complex compound, iridium Examples include a salen complex compound, a platinum salen complex compound, a niobium salen complex compound, a samarium salen complex compound, a europium salen complex compound, and a gadolinium salen complex compound.
- Cleaning process Cleaning target: non-alkali glass substrate, sealing glass cap
- Cleaning environment clean booth (class 100) in a clean room (class 1,000)
- Wet cleaning ultra pure water, organic alkali, organic solvent + ultrasonic wave), drying (vacuum degassing), dry cleaning
- Production quantity A total of 6 wafers with 3 layers each of 200-nm and 400-nm film thickness of iron-salen complex compound in the device structure are produced.
- Sealing specification Sealing environment: Inside the glove box (H 2 O and O 2 , less than 10 ppm) Curing conditions: Laminated with glass sealing can, taken out of glow box, UV irradiated, stored as a heat treatment at 80 ° C for 3 hours in a constant temperature bath Getter: Dynic, 10mm square Sealing agent: ThreeBond, UV curable epoxy resin
- FIG. 5 (1) is a photograph showing a substrate surface of an electric double layer capacitor element in which the film thickness of the iron-salen complex compound is 400 nm
- FIG. 5 (2) is an electric double layer capacitor shown in FIG. 5 (1). It is a photograph which shows the sealing surface of an element.
- it is the lower Au electrode that extends vertically four on the substrate in the vertical direction, and the upper Au electrode that is arranged so as to be orthogonal to them.
- the iron-salen complex compound is formed into a film in a region of 13 mm in the center of the substrate so as to be sandwiched between both Au electrodes.
- the external appearance of the electric double layer capacitor element is the same as that shown in FIG. 5 for the iron-salen complex compound having a thickness of 200 nm.
- Pre-measurement (confirmation of measurement availability and variation in measured values) is performed using one of the electric double layer capacitor elements (each of three) having a film thickness of iron-salen complex compound of 200 nm and 400 nm, and the rest The main measurement was performed using two sheets. The measurement was performed at two locations on the electric double layer capacitor element having each film thickness. Note that the measurement was performed by two apparatuses from different manufacturers in order to avoid the apparatus dependence of the measurement values rarely seen in organic semiconductors and the like. The measurement results are shown in Table 1.
- the relative dielectric constant was converted using the following constants. Also, Vacuum dielectric constant: 8.54 ⁇ 10 ⁇ 12 (F / m) Element area: 2 mm x 2 mm
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Abstract
Description
式(I)
但し、X及びYは、NとMとの間の配位結合を含む5員環構造、又は、その6員環構造であり、
Mは、Fe、Cr、Mn、Co、Ni、Mo、Ru、Rh、Pd、W、Re、Os、Ir、Pt、Nd、Sm、Eu、又は、Gdからなる2価の金属元素であり、
X及びYが共に前記5員環構造の場合、b、gは無く、
さらに、前記式(I)は、下記(i)~(iv)のいずれかである。
(i) a~hのそれぞれは、
水素であるか、又は、
下記(A)~(G)、及び、-C(=O)m(mは水素であるか、又は、下記(A)~(G)の何れかである)の何れかである。
(ii) (c,d)、及び、(f,e)は、それぞれ、ヘテロ環式構造の一部を形成して、前記式(I)で示す化合物と前記ヘテロ環式構造との縮合体を構成させるものであり、
a、b、g、hは、それぞれ、
水素であるか、又は、
下記(A)~(G)、及び、-C(=O)m(mは水素であるか、又は、下記(A)~(G)の何れかである)の何れかであり、
前記ヘテロ環式構造は、フラン、チオフェン、ピロール、ピロリジン、ピラゾール、ピラゾロン、イミダゾール、2-イソイミダゾール、オキサゾール、イソオキサゾール、チアゾール、イミダゾール、イミダゾリジン、オキサゾリン、オキサゾリジン、1,2-ピラン、チアジン、ピリジン、ピリダジン、ピリミジン、ピラジン、オルトキサジン、オキサジン、ピペリジン、ピペラジン、トリアジン、デオキサン、モルフォリン、を含む、3-7員環式構造の何れかであり、
前記ヘテロ環式構造の側鎖は、ハロゲン、-R、-O-R(Rはメチル基を含む炭化水素基から選択された一つの官能基である)、又は、水素である。
(iii) (c,d)、及び、(f,e)は、それぞれ、
ベンゼン、又は、ナフタレン、及び、アントラセンを含む縮合環式構造の一つの一部を形成して、前記式(I)で示す化合物と前記縮当環式構造との縮合体を形成させるものであり、
a、b、g、hは、それぞれ、
水素であるか、下記(A)~(G)の何れかであり、
前記縮合環式構造の側鎖は、ハロゲン、R-O-:(Rはメチル基を含む炭化水素基から選択された一つの官能基である)、又は、水素である。
(iv) a,hは、下記化合物を含む環状炭化水素構造の一部を形成して、前記式(I)で示す化合物と前記環状炭化水素構造の縮合体を形成するものであり、
又は
b~g、及び、前記環状炭化水素構造の側鎖は、それぞれ、水素である。
式(VI)
式(VII)
式(VIII)
式(IX)
式(X)
式(XI)
式(XII)
但し、Mは、Fe、Cr、Mn、Co、Ni、Mo、Ru、Rh、Pd、W、Re、Os、Ir、Pt、Nd、Sm、Eu、又は、Gdであり、a~f、Yのそれぞれは、水素(MがFeの場合は、a~f、Yの全てが水素である場合を除く)である。
式(XIII)
但し、Mは、Fe、Cr、Mn、Co、Ni、Mo、Ru、Rh、Pd、W、Re、Os、Ir、Pt、Nd、Sm、Eu、又は、Gdであり、a~f、Yのそれぞれは、水素(MがFeの場合は、a~f、Yの全てが水素である場合を除く)である。
図1は、本発明の実施形態に係る電極材料を用いる電気二重層キャパシタを模式的に示す断面図、図2は、本発明の実施形態に係る基板表面の電流電圧特性を測定した際のSEM写真、図3は、前記基板表面の電流―電圧特性を示す図、図4は、本発明の実施形態に係る鉄サレン錯体化合物のTG-Mass分析の結果を示す図である。但し、図1は模式的な図であり、厚みと平面寸法との関係、各層の厚みの比率等は現実のものとは異なる。したがって、具体的な厚みや寸法は以下の説明を照らし合わせて判断するべきものである。また、図面相互間においても互いの寸法の関係や比率が異なる部分が含まれていることは勿論である。
本実施形態に係る固体電解質13及び17を構成する材料である鉄サレン錯体を次に示す方法で製造した。
信光社製のSrTiO3(STO)基板面(サイズ:10mm×10mm×0.5mm、ステップ面(0001))に、厚さ300nmで鉄サレン錯体を真空蒸着した。その後、日立ハイテクノロジー社製、N-6000型微小デバイス特性評価装置を用いて基板表面の電流電圧特性を測定した。
次に、鉄サレン錯体化合物に対し、以下に示す条件でTG-Mass分析を行った。
TG装置:島津製作所 TG-40
MS装置:島津製作所 GC/MS QP2010(1)
測定条件
測定開始前:試料をTG装置にセット後、キャリアーガスを15分以上流してから昇温開始
加熱条件:室温~500℃(昇温速度5℃/min)
試料重量:3.703mg
MS感度:1.80kV
質量数範囲:m/z=10~300
雰囲気:ヘリウム(50ml/min)
標準物質:タングステン酸ナトリウム2水塩、1-ブテン、二酸化炭素
次に、電極11及び12を構成する材料として金属膜の代わりに活性炭を用いる以外は、実施例1と同様の方法で電気二重層キャパシタを製造した。なお、活性炭としては、椰子柄炭あるいは樹脂炭を原料とした水蒸気賦活炭、樹脂炭あるいはコークスを原料としたアルカリ賦活炭を使用することができる。実施例2では、「高性能電気二重キャパシタ電極用活性炭」神頭将之、羽場英介、武井庸一、日立化成テクニカルレポートNo51(2008-7)、第13頁~第16頁、に基づき、フェノール樹脂を前駆体として合成したアルカリ賦活炭を用いた。
グリシン・メチル・エステル一塩酸塩(glycine methyl ester monohydrochloride);10.0g、0.079molを含むギ酸エチル(ethyl formate)溶液;60mlに、p-トルエンスルホン酸(p-TsOH);10mgを加え、得られた溶液を加熱して沸騰させた。この沸騰中にトリエチルアミン(triethylamine)を数滴滴下し、その混合液を24時間還流した後、その溶液を室温まで冷却した。その後、白いトリエチルアミン塩酸塩をろ過し、ろ過物を20mlまで濃縮した。得られた溶液を-5℃まで冷却し、ろ過を行った。化合物8(compound 8)として、ろ過物である赤茶色の濃縮溶液を得た。
化合物8に、ジクロロメタン(CH2Cl2);20mlを溶解させた後、エタン-1,2-ジアミン(ethane-1,2-diamine);1.2g、酢酸(HOAc);20μlを加え、この反応させた混合溶液を6時間還流させた。その後、反応混合溶液を室温まで冷却し、4gの黄色い油状の濃縮物である化合物9(compound 9)を得た。得られた化合物9の純度を、シリカゲルを用いたフラッシュコラムクロマトグラフィーによって向上させた。
メタノール(CH3OH);50mlの中に化合物9及びトリエチルアミン(triethylamine)を入れた溶液と、メタノール(CH3OH);10mlの中に金属塩化物(鉄サレン錯体化合物の合成の際は、FeCl3(4H2O)である。)を入れた溶液を窒素雰囲気下で混合(1時間)したところ茶色の化合物が得られた。その後、この化合物を真空中で乾燥し、得られた化合物をジクロロメタン(CH2Cl2);400mlで希釈し、塩性溶液で2回洗浄し、硫酸ナトリウム(Na2SO4)で乾燥させた後、真空中で乾燥させ、化合物10(金属サレン錯体化合物(II))を得た。
金属サレン錯体化合物(V)~(XI)の合成をWO2010/058280の明細書第43頁~47頁に記載の方法によって合成した。側鎖である臭素、又は、メトキシル基の主骨格への付加は、サレンに金属錯体の結合を形成する際に、ベンゼン環のOH基とはパラの位置でベンゼン環に結合している保護基(NHBoc)を臭素、又は、メトキシル基で置換する。前記式(I)が化合物(VIII)及び(IX)の場合、式(I)の(c,d),(e,f)がアントラセンを構成するが、この化合物(VIII)及び(IX)では、出発物質として、パラニトロフェノールに代えて、下記化合物を使用する。
次に、以下に示す条件で、電気二重層キャパシタ素子を作製し、得られた電気二重層キャパシタ素子の外観、静電容量、比誘電率を評価した。
洗浄プロセス
洗浄対象:無アルカリガラス基板、封止用ガラスキャップ
洗浄環境:クリーンルーム(クラス1,000)内のクリーンブース(クラス100)
薬剤:有機溶媒(EL:規格品)、有機アルカリ溶液(EL:規格品)、超純水(18MΩ、TOC:~10ppb)
機器:超音波洗浄機(40kHz及び950kHz)、UVオゾン洗浄機、真空デシケータ
実施工程:ウエット洗浄(超純水、有機アルカリ、有機溶剤+超音波)後、乾燥(真空脱気)後、ドライ洗浄
蒸着プロセス(各蒸着層に共通)
真空度:1~2×10-4 Pa
蒸着速度:1~2 Å/s
無アルカリガラス/Ti(10nm)/Au電極(50nm)/鉄サレン錯体化合物(50~400nm)/Au電極(50nm)
2.0×2.0mm2
封止環境 :グローブボックス内(H2O及びO2、10ppm未満)
硬化条件 :ガラス製封止缶と張り合わせ、グローボックスの外に取り出してUV照射後、熱処理として恒温槽で80℃、3時間保管
ゲッター:ダイニック製、10mm角
シール剤:スリーボンド製、UV硬化型エポキシ樹脂
(電気二重層キャパシタ素子の外観)
図5(1)は、鉄サレン錯体化合物の膜厚が400nmである電気二重層キャパシタ素子の基板面を示す写真であり、図5(2)は、図5(1)に示す電気二重層キャパシタ素子の封止面を示す写真である。図5中、基板上で縦方向に上下4本ずつ伸びているのが下部Au電極であり、それらに直行して配設されているものがするように上部Au電極である。鉄サレン錯体化合物は、基板中央□13mmの領域に、両Au電極に挟み込まれるように成膜されている。なお、電気二重層キャパシタ素子の外観は、鉄サレン錯体化合物の膜厚が200nmのものも、図5に示すものと同様である。
鉄サレン錯体化合物の膜厚が200nm及び400nmである電気二重層キャパシタ素子(各々3枚)のうち、1枚を使って前測定(測定の可否や測定数値のバラツキなどの確認)を行い、残り2枚を使って本測定を行った。測定は、各膜厚の電気二重層キャパシタ素子上の2箇所をそれぞれ測定した。なお、測定は、有機半導体等で希に見られる測定値の装置依存性を回避するため、メーカの異なる2台の装置により行なった。測定結果を表1に示す。
真空の誘電率:8.54×10-12 (F/m)
素子面積:2mm×2mm
11、12…電極(集電体)
13、17…固体電解質
15、16…ガスケット
18…セパレータ
Claims (13)
- 電気二重層キャパシタの固体電解質を形成する材料として用いられ、金属サレン錯体化合物からなる電気二重層キャパシタ用材料。
- 前記金属サレン錯体化合物が自己磁性を有する請求項1記載の電気二重層キャパシタ用材料。
- 前記金属サレン錯体化合物が下記(I)式で示される請求項2記載の電気二重層キャパシタ用材料。
式(I)
但し、X及びYは、NとMとの間の配位結合を含む5員環構造、又は、その6員環構造であり、
Mは、Fe、Cr、Mn、Co、Ni、Mo、Ru、Rh、Pd、W、Re、Os、Ir、Pt、Nd、Sm、Eu、又は、Gdからなる2価の金属元素であり、
X及びYが共に前記5員環構造の場合、b、gは無く、
さらに、前記式(I)は、下記(i)~(iv)のいずれかである。
(i) a~hのそれぞれは、
水素であるか、又は、
下記(A)~(G)、及び、-C(=O)m(mは水素であるか、又は、下記(A)~(G)の何れかである)の何れかである。
(ii) (c,d)、及び、(f,e)は、それぞれ、ヘテロ環式構造の一部を形成して、前記式(I)で示す化合物と前記ヘテロ環式構造との縮合体を構成させるものであり、
a、b、g、hは、それぞれ、
水素であるか、又は、
下記(A)~(G)、及び、-C(=O)m(mは水素であるか、又は、下記(A)~(G)の何れかである)の何れかであり、
前記ヘテロ環式構造は、フラン、チオフェン、ピロール、ピロリジン、ピラゾール、ピラゾロン、イミダゾール、2-イソイミダゾール、オキサゾール、イソオキサゾール、チアゾール、イミダゾール、イミダゾリジン、オキサゾリン、オキサゾリジン、1,2-ピラン、チアジン、ピリジン、ピリダジン、ピリミジン、ピラジン、オルトキサジン、オキサジン、ピペリジン、ピペラジン、トリアジン、デオキサン、モルフォリン、を含む、3-7員環式構造の何れかであり、
前記ヘテロ環式構造の側鎖は、ハロゲン、-R、-O-R(Rはメチル基を含む炭化水素基から選択された一つの官能基である)、又は、水素である。、
(iii) (c,d)、及び、(f,e)は、それぞれ、
ベンゼン、又は、ナフタレン、及び、アントラセンを含む縮合環式構造の一つの一部を形成して、前記式(I)で示す化合物と前記縮当環式構造との縮合体を形成させるものであり、
a、b、g、hは、それぞれ、
水素であるか、下記(A)~(G)の何れかであり、
前記縮合環式構造の側鎖は、ハロゲン、R-O-:(Rはメチル基を含む炭化水素基から選択された一つの官能基である)、又は、水素である。
(iv) a,hは、下記化合物を含む環状炭化水素構造の一部を形成して、前記式(I)で示す化合物と前記環状炭化水素構造の縮合体を形成するものであり、
又は
b~g、及び、前記環状炭化水素構造の側鎖は、それぞれ、水素である。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020147000763A KR20140057241A (ko) | 2011-07-11 | 2012-04-20 | 전기 2중층 커패시터용 재료 |
| US14/131,940 US9208952B2 (en) | 2011-07-11 | 2012-04-20 | Electric double layer capacitor material |
| CN201280034671.9A CN103890886A (zh) | 2011-07-11 | 2012-04-20 | 双电层电容器用材料 |
| EP12811242.2A EP2733713A4 (en) | 2011-07-11 | 2012-04-20 | MATERIAL FOR ELECTRICAL CAPACITOR WITH DOUBLE LAYER |
| KR1020167007873A KR20160040722A (ko) | 2011-07-11 | 2012-04-20 | 전기 2중층 커패시터용 재료 |
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| JP2011153175 | 2011-07-11 | ||
| JP2011-153175 | 2011-07-11 |
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| WO2013008510A1 true WO2013008510A1 (ja) | 2013-01-17 |
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| Country | Link |
|---|---|
| US (1) | US9208952B2 (ja) |
| EP (1) | EP2733713A4 (ja) |
| JP (1) | JPWO2013008510A1 (ja) |
| KR (2) | KR20140057241A (ja) |
| CN (1) | CN103890886A (ja) |
| TW (1) | TWI440062B (ja) |
| WO (1) | WO2013008510A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2738157A4 (en) * | 2011-07-26 | 2015-10-14 | Ihi Corp | AUTOMAGNETIC METAL-SALEN COMPLEX CONNECTION |
| JP2017004610A (ja) * | 2015-06-04 | 2017-01-05 | 日本電信電話株式会社 | リチウム空気二次電池 |
| JP2019200951A (ja) * | 2018-05-18 | 2019-11-21 | 日本電信電話株式会社 | リチウム二次電池 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6046338B2 (ja) | 2011-10-27 | 2016-12-14 | 株式会社Ihi | ラジカル抑制剤 |
| GB2560764B (en) * | 2017-03-24 | 2020-08-05 | Power Roll Ltd | Optoelectronic device with reflective face |
| JP2019096742A (ja) * | 2017-11-22 | 2019-06-20 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングRobert Bosch Gmbh | キャパシタ |
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| US20040057191A1 (en) | 2002-01-25 | 2004-03-25 | Alexander Timonov | Polymer-modified electrode for energy storage devices and electrochemical supercapacitor based on said polymer-modified electrode |
| JP2007508709A (ja) * | 2003-10-14 | 2007-04-05 | ジェン3 パートナーズ, インコーポレイテッド | エネルギー貯蔵装置のための電極および該電極に基づいた電気化学スーパーコンデンサー |
| WO2010058280A1 (ja) | 2008-11-20 | 2010-05-27 | 株式会社Ihi | 自己磁性金属サレン錯体化合物 |
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2012
- 2012-04-20 US US14/131,940 patent/US9208952B2/en active Active
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- 2012-04-20 JP JP2013523849A patent/JPWO2013008510A1/ja active Pending
- 2012-04-20 WO PCT/JP2012/060708 patent/WO2013008510A1/ja not_active Ceased
- 2012-04-20 KR KR1020167007873A patent/KR20160040722A/ko not_active Ceased
- 2012-04-20 EP EP12811242.2A patent/EP2733713A4/en not_active Withdrawn
- 2012-04-20 CN CN201280034671.9A patent/CN103890886A/zh active Pending
- 2012-07-04 TW TW101124110A patent/TWI440062B/zh not_active IP Right Cessation
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| US20040057191A1 (en) | 2002-01-25 | 2004-03-25 | Alexander Timonov | Polymer-modified electrode for energy storage devices and electrochemical supercapacitor based on said polymer-modified electrode |
| JP2007508709A (ja) * | 2003-10-14 | 2007-04-05 | ジェン3 パートナーズ, インコーポレイテッド | エネルギー貯蔵装置のための電極および該電極に基づいた電気化学スーパーコンデンサー |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2738157A4 (en) * | 2011-07-26 | 2015-10-14 | Ihi Corp | AUTOMAGNETIC METAL-SALEN COMPLEX CONNECTION |
| US9592219B2 (en) | 2011-07-26 | 2017-03-14 | Ihi Corporation | Self-magnetic metal-salen complex compound |
| JP2017004610A (ja) * | 2015-06-04 | 2017-01-05 | 日本電信電話株式会社 | リチウム空気二次電池 |
| JP2019200951A (ja) * | 2018-05-18 | 2019-11-21 | 日本電信電話株式会社 | リチウム二次電池 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140057241A (ko) | 2014-05-12 |
| TW201308381A (zh) | 2013-02-16 |
| CN103890886A (zh) | 2014-06-25 |
| US9208952B2 (en) | 2015-12-08 |
| KR20160040722A (ko) | 2016-04-14 |
| EP2733713A1 (en) | 2014-05-21 |
| US20140235883A1 (en) | 2014-08-21 |
| EP2733713A4 (en) | 2015-05-06 |
| JPWO2013008510A1 (ja) | 2015-02-23 |
| TWI440062B (zh) | 2014-06-01 |
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