JP6693736B2 - 蓄電装置 - Google Patents
蓄電装置 Download PDFInfo
- Publication number
- JP6693736B2 JP6693736B2 JP2015249710A JP2015249710A JP6693736B2 JP 6693736 B2 JP6693736 B2 JP 6693736B2 JP 2015249710 A JP2015249710 A JP 2015249710A JP 2015249710 A JP2015249710 A JP 2015249710A JP 6693736 B2 JP6693736 B2 JP 6693736B2
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- Japan
- Prior art keywords
- active material
- positive electrode
- electrode
- power storage
- lithium
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- LGRLWUINFJPLSH-UHFFFAOYSA-N methanide Chemical compound [CH3-] LGRLWUINFJPLSH-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Chemical class 0.000 description 1
- 239000001923 methylcellulose Chemical class 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- UUIQMZJEGPQKFD-UHFFFAOYSA-N n-butyric acid methyl ester Natural products CCCC(=O)OC UUIQMZJEGPQKFD-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920003214 poly(methacrylonitrile) Polymers 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 238000009774 resonance method Methods 0.000 description 1
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- 230000002441 reversible effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 150000003346 selenoethers Chemical class 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
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- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
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- 238000001179 sorption measurement Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000008053 sultones Chemical class 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- 150000004772 tellurides Chemical class 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(II) oxide Inorganic materials [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- DZKDPOPGYFUOGI-UHFFFAOYSA-N tungsten(iv) oxide Chemical compound O=[W]=O DZKDPOPGYFUOGI-UHFFFAOYSA-N 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- 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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
-
- 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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/46—Metal oxides
-
- 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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/50—Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/48—Conductive polymers
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- H—ELECTRICITY
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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Description
本実施の形態では、本発明の一態様の電極について図1を用いて説明する。
集電体は、蓄電装置内で顕著な化学変化を引き起こさずに高い導電性を示す限り、特別な制限はない。正極集電体及び負極集電体には、例えば、ステンレス、金、白金、亜鉛、鉄、ニッケル、銅、アルミニウム、チタン、タンタル、マンガン等の金属、これらの合金、又は焼結した炭素などをそれぞれ用いることができる。または、銅もしくはステンレス鋼を炭素、ニッケルもしくはチタン等で被覆して用いてもよい。または、シリコン、チタン、ネオジム、スカンジウム、モリブデンなどの耐熱性を向上させる元素が添加されたアルミニウム合金を用いることができる。または、シリコンと反応してシリサイドを形成する金属元素で集電体を形成してもよい。シリコンと反応してシリサイドを形成する金属元素としては、ジルコニウム、チタン、ハフニウム、バナジウム、ニオブ、タンタル、クロム、モリブデン、タングステン、コバルト、ニッケル等がある。
活物質層は、活物質を含む。活物質とは、キャリアであるイオンの挿入・脱離に関わる物質のみを指すが、本明細書等では、本来「活物質」である材料に加えて、導電助剤及び結着剤などを含めたものも、活物質層と呼ぶ。
本実施の形態では、本発明の一態様の電極に用いることができる活物質について図2〜図5を用いて説明する。
はじめに、各出発原料を秤量する。
次に、Li2CO3、MnCO3、及びNiOを混合する。出発原料の混合方法については特に制限はなく、解砕機又は粉砕機等を用いることができる。例えば、ボールミル、ビーズミル、ジェットミル、ローラーミル等を用いることができる。また、混合の方式は、乾式でもよいし、湿式でもよい。湿式の際に用いることができる溶媒としても特に制限はなく、例えば、水、アルコール、アセトンなどを用いることができる。
次に、坩堝に混合原料を入れ、焼成を行う。焼成温度は、例えば、800℃以上1000℃以下とする。焼成時間は、例えば、5時間以上20時間以下とする。焼成ガスに乾燥空気を用い、流量を10L/minとする。焼成雰囲気は、大気雰囲気としてもよいし、酸素ガスを用いた雰囲気としてもよい。混合原料を焼成することで、焼成物(リチウムマンガン複合酸化物)が形成される。
焼成によって合成されたリチウムマンガン複合酸化物は、複数の一次粒子が焼結して大きな二次粒子が形成された状態となっている。そこで、複数の一次粒子が焼結したリチウムマンガン複合酸化物に対して、解砕処理を行う。焼成物に解砕処理を行うことにより、焼成物を砕いて一次粒子にする、又は一次粒子に近い粉末にする。本明細書等において、解砕処理には、焼結物が粉砕される操作も含む。なお、粉砕とは、一次粒子を砕く操作をいう。解砕処理は、出発原料の混合方法と同様に、解砕機又は粉砕機等を用いることができる。例えば、ボールミル、ビーズミル、ジェットミル、ローラーミル等を用いることができる。また、解砕・粉砕の方式は、乾式でもよいし、湿式でもよい。湿式の際に用いることができる溶媒としても特に制限はなく、例えば、水、アルコール、アセトンなどを用いることができる。
次に、坩堝に解砕処理後のリチウムマンガン複合酸化物を入れ、300℃以上1000℃以下、好ましくは600℃以上900℃以下で加熱処理を行う。加熱時間は、例えば、5時間以上20時間以下とし、ガスに乾燥空気を用い、流量を10L/minとする。加熱雰囲気は、大気雰囲気としてもよいし、酸素ガスを用いた雰囲気としてもよい。
次に、酸化グラフェンの分散溶液にリチウムマンガン複合酸化物を入れ、固練りを行う。なお、固練りとは、高粘度による混練をいう。固練りを行うことにより、リチウムマンガン複合酸化物の粉末の凝集をほどくことができ、酸化グラフェンとリチウムマンガン複合酸化物とを、より均一に分散させることができる。
次に、リチウムマンガン複合酸化物の表面に被覆された酸化グラフェンに還元処理を行う。酸化グラフェンの還元処理は、加熱処理によって行ってもよいし、還元剤を用いて溶媒中で反応させて行ってもよい。本実施の形態では、酸化グラフェンを、還元剤を用いて溶媒中で反応させる。
還元処理後、粉末の回収を行う。ここでは、還元液の濾過を行う。ここで得られる物質を、物質Aと呼ぶ。濾過には、吸引濾過等を用いることができる。または、遠心分離を用いて物質Aと、液体と、を分離してもよい。
本実施の形態では、本発明の一態様の蓄電装置の様々な形態について、図6〜図20を用いて説明する。なお、本発明の一態様の蓄電装置は、本実施の形態で例示する構成に限られず、様々な形状、形態を適用することができる。
図6(A)に、電池セル500を示す。図6(A)では、電池セル500の一例として、薄型の蓄電池の形態を示すが、本発明の一態様の蓄電装置はこれに限られない。
電解液508の溶媒としては、非プロトン性有機溶媒が好ましく、例えば、エチレンカーボネート(EC)、プロピレンカーボネート(PC)、ブチレンカーボネート、クロロエチレンカーボネート、ビニレンカーボネート(VC)、γ−ブチロラクトン、γ−バレロラクトン、ジメチルカーボネート(DMC)、ジエチルカーボネート(DEC)、エチルメチルカーボネート(EMC)、ギ酸メチル、酢酸メチル、酪酸メチル、1,3−ジオキサン、1,4−ジオキサン、ジメトキシエタン(DME)、ジメチルスルホキシド、ジエチルエーテル、メチルジグライム、アセトニトリル、ベンゾニトリル、テトラヒドロフラン、スルホラン、スルトン等の1種、又はこれらのうちの2種以上を任意の組み合わせ及び比率で用いることができる。
セパレータ507には、紙、不織布、ガラス繊維、セラミックス、あるいは、ナイロン(ポリアミド)、ビニロン(ポリビニルアルコール系繊維)、ポリエステル、アクリル、ポリオレフィン、ポリウレタンといった合成繊維等を用いることができる。セパレータ507は、単層構造であっても積層構造であってもよい。
外装体509は、電解液508と接する面、すなわち内側の面が電解液508と顕著な反応を生じないことが好ましい。また、電池セル500の外部から電池セル500内に水分が混入すると、電解液508の成分等と水との反応が生じる場合がある。よって外装体509は、水分の透過性が低いことが好ましい。
図13及び図14に、本発明の一態様の蓄電装置である、捲回体を用いた蓄電池の構成例を示す。
次に、捲回体を用いた蓄電池の一例として、円筒型の蓄電池を示す。
図17に、本発明の一態様の蓄電装置である、コイン型の蓄電池の一例を示す。図17(A)はコイン型(単層偏平型)の蓄電池の外観図であり、図17(B)、(C)は、その断面図の一例である。
次に、蓄電システムの構造例について、図18〜図20を用いて説明する。ここで蓄電システムとは、例えば、蓄電装置を搭載した機器を指す。本実施の形態で説明する蓄電システムは、本発明の一態様の蓄電装置を有する。
本実施の形態では、本発明の一態様である、可撓性を有する蓄電装置について、図21〜図28を用いて、説明する。本発明の一態様の蓄電装置は、湾曲した形状であってもよい。また、本発明の一態様の蓄電装置は、可撓性を有し、湾曲した状態と平滑な状態の双方の状態において使用できてもよい。
図21(A)に二次電池200の斜視図を示し、図21(B)に二次電池200の上面図を示す。
図25(A)に二次電池250の斜視図を示し、図25(B)に二次電池250の上面図を示す。また、図25(C1)に第1の電極組立体230の断面図を示し、図25(C2)に第2の電極組立体231の断面図を示す。
本実施の形態では、本発明の一態様の蓄電装置の使用例について図29〜図32を用いて説明する。
はじめに、出発原料として、Li2CO3、MnCO3、NiOを用い、出発原料の秤量の割合(モル比)を、Li2CO3:MnCO3:NiO=0.84:0.8062:0.318となるように秤量した。
次に、電極の作製方法を説明する。活物質として上記の方法で作製した試料Cを用い、導電助剤として、アセチレンブラック(AB)を用いた。結着剤は、電極1では、F−a型ベンゾオキサジン化合物(四国化成工業株式会社製)を用い、電極2では、P−d型ベンゾオキサジン化合物(四国化成工業株式会社製)を用いた。電極1及び電極2は、2つずつ作製した。
次に、得られた各電極を用いてハーフセルを作製した。セルには、コインセルを用いた。また、ハーフセルの対極にはリチウムを用いた。また、電解液は、電解質としてLiPF6を用い、非プロトン性有機溶媒であるECとDECを1:1の体積比で混合させた混合溶液を用いた。また、セパレータとしてはポリプロピレン(PP)を用いた。
はじめに、実施例1と同様に、出発原料の秤量、混合、及び焼成を行い、リチウムマンガン複合酸化物を合成した。
まず、電極の作製方法を説明する。活物質として本実施例で作製した試料Cを用い、導電助剤として、ABを用いた。結着剤は、電極3では、P−d型ベンゾオキサジン化合物とPVdFを重量比1:1で用い、比較電極では、PVdFを用いた。
次に、得られた各電極を用いてハーフセルを作製した。セルには、コインセルを用いた。また、ハーフセルの対極にはリチウムを用いた。また、電解液は、電解質としてLiPF6を用い、非プロトン性有機溶媒であるECとDECを1:1の体積比で混合させた混合溶液を用いた。また、セパレータとしてはポリプロピレン(PP)を用いた。ハーフセルは2つずつ作製した。
100b 電極
101 集電体
102 活物質層
115 封止層
118 接合部
119 導入口
131 第1の領域
132 第2の領域
133 第3の領域
200 二次電池
203 セパレータ
203a 領域
203b 領域
207 外装体
211 正極
211a 正極
215 負極
215a 負極
220 封止層
221 正極リード
225 負極リード
230 第1の電極組立体
231 第2の電極組立体
250 二次電池
281 タブ領域
282 タブ領域
300 蓄電池
301 正極缶
302 負極缶
303 ガスケット
304 正極
305 正極集電体
306 正極活物質層
307 負極
308 負極集電体
309 負極活物質層
310 セパレータ
500 電池セル
501 正極集電体
502 正極活物質層
503 正極
504 負極集電体
505 負極活物質層
506 負極
507 セパレータ
508 電解液
509 外装体
510 正極リード
511 負極リード
512 接合部
513 湾曲部
514 接合部
600 蓄電池
601 正極キャップ
602 電池缶
603 正極端子
604 正極
605 セパレータ
606 負極
607 負極端子
608 絶縁板
609 絶縁板
611 PTC素子
612 安全弁機構
900 回路基板
910 ラベル
911 端子
912 回路
913 蓄電池
914 アンテナ
915 アンテナ
916 層
917 層
918 アンテナ
919 端子
920 表示装置
921 センサ
922 端子
951 端子
952 端子
980 蓄電池
981 フィルム
982 フィルム
990 蓄電池
991 外装体
992 外装体
993 捲回体
994 負極
995 正極
996 セパレータ
997 端子
998 端子
7100 携帯表示装置
7101 筐体
7102 表示部
7103 操作ボタン
7104 蓄電装置
7200 携帯情報端末
7201 筐体
7202 表示部
7203 バンド
7204 バックル
7205 操作ボタン
7206 入出力端子
7207 アイコン
7300 表示装置
7304 表示部
7400 携帯電話機
7401 筐体
7402 表示部
7403 操作ボタン
7404 外部接続ポート
7405 スピーカ
7406 マイク
7407 蓄電装置
8000 表示装置
8001 筐体
8002 表示部
8003 スピーカ部
8004 蓄電装置
8021 充電装置
8022 ケーブル
8100 照明装置
8101 筐体
8102 光源
8103 蓄電装置
8104 天井
8105 側壁
8106 床
8107 窓
8200 室内機
8201 筐体
8202 送風口
8203 蓄電装置
8204 室外機
8300 電気冷凍冷蔵庫
8301 筐体
8302 冷蔵室用扉
8303 冷凍室用扉
8304 蓄電装置
8400 自動車
8401 ヘッドライト
8500 自動車
9600 タブレット型端末
9625 スイッチ
9626 スイッチ
9627 電源スイッチ
9628 操作スイッチ
9629 留め具
9630 筐体
9631 表示部
9631a 表示部
9631b 表示部
9632a 領域
9632b 領域
9633 太陽電池
9634 充放電制御回路
9635 蓄電体
9636 DCDCコンバータ
9637 コンバータ
9638 操作キー
9639 ボタン
9640 可動部
Claims (5)
- 正極集電体と、正極活物質層と、を有する電極を備えた蓄電装置であって、
前記正極活物質層は、リチウムマンガン複合酸化物と、ポリベンゾオキサジンと、グラフェンと、を有し、
前記リチウムマンガン複合酸化物は、活物質としての機能を有し、
前記ポリベンゾオキサジンは、結着剤としての機能を有し、
前記グラフェンは、導電助剤としての機能を有する、蓄電装置。 - 正極集電体と、正極活物質層と、を有する電極を備えた蓄電装置であって、
前記正極活物質層は、リチウムマンガン複合酸化物と、ポリベンゾオキサジンと、フッ素樹脂と、グラフェンと、を有し、
前記リチウムマンガン複合酸化物は、活物質としての機能を有し、
前記ポリベンゾオキサジンと前記フッ素樹脂とは、結着剤としての機能を有し、
前記グラフェンは、導電助剤としての機能を有する、蓄電装置。 - 請求項1又は請求項2において、
前記リチウムマンガン複合酸化物の平均粒径は1μm以下である、蓄電装置。 - 請求項1乃至請求項3のいずれか一において、
前記グラフェンは単層である、蓄電装置。 - 請求項1乃至請求項3のいずれか一において、
前記グラフェンは2層以上100層以下の多層である、蓄電装置。
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