Lithium ion capacitor
    11.
    发明专利

    公开(公告)号:JP5133111B2

    公开(公告)日:2013-01-30

    申请号:JP2008090852

    申请日:2008-03-31

    Abstract: PROBLEM TO BE SOLVED: To provide a lithium-ion capacitor that is industrially advantageously produced and achieves high-energy density, high power, low resistance, and high reliability. SOLUTION: The lithium-ion capacitor is configured as follows. A positive electrode and a negative electrode include a current-collecting material having through-holes, respectively. The positive electrode includes a material capable of reversibly carrying lithium-ions and/or anions as a positive-electrode active material with the material bound by a binder. The negative electrode includes a material capable of reversibly carrying lithium-ions as a negative-electrode active material. Lithium-ions are electrochemically carried by the positive electrode and/or the negative electrode. The binder is a particulate binder having a particle size of 0.1-0.4 μm and includes a composition comprising 5-20 mass% of a fluorine-containing polymer and a polymer that has a structural unit derived from CH 2 =CR 1 COOR 2 (R 1 represents a hydrogen atom or a methyl group and R 2 represents a 1-18C alkyl group or a 1-18C cycloalkyl group). COPYRIGHT: (C)2010,JPO&INPIT

    Capacitor electrode binder composition, capacitor electrode for the slurry and the capacitor electrode

    公开(公告)号:JP5177040B2

    公开(公告)日:2013-04-03

    申请号:JP2009071976

    申请日:2009-03-24

    Abstract: The invention relates to a combination for capacitor electrode adhesive, capable of providing the serum with excellent electrochemistry stability and adhesive ability of afflux body for forming the electrode and uniformity of coating when the afflux body is porous and the serum unable of blocking the afflux body grid. The combination for capacitor electrode adhesive comprises the polymer combination comprising (a) component: fluorine polymer 5-20 weight% and (b) component: (methyl) acrylics polymer 80-95 weight% containing the structure unit of the monomer represented by the general formula (1), namely granular polymer combination with number-average grain size of 0.1-0.4 Mum, general formula (1) CH2=CR1COOR2, in the general formula (1), R1 represents hydrogen atom or methyl, R2 represents alkyl or cycloalkyl of carbon atom number 1-18.

    Electrode binder composition
    18.
    发明专利

    公开(公告)号:JP5163919B1

    公开(公告)日:2013-03-13

    申请号:JP2012544991

    申请日:2012-06-01

    CPC classification number: H01M4/623

    Abstract: The present invention relates to a binder composition for electrodes, which contains polymer particles and a liquid medium, and which is characterized in that at least some polymer particles contain a fluorine atom and the particle diameter frequency distribution of the polymer particles as determined by a dynamic light scattering method is multimodal. The binder composition for electrodes provides an electrode that has all of excellent ion conductivity, excellent oxidation resistance (charge and discharge characteristics) and excellent adhesion.

    Electrode binder composition, electrode slurry, electrodes, and a power storage device

    公开(公告)号:JP5077613B1

    公开(公告)日:2012-11-21

    申请号:JP2012137533

    申请日:2012-06-19

    CPC classification number: Y02E60/12

    Abstract: 【課題】貯蔵安定性に優れると共に、密着性、充放電特性が良好な電極を製造可能な電極用バインダー組成物を提供する。
    【解決手段】本発明に係る電極用バインダー組成物は、蓄電デバイスに使用される電極を作製するためのバインダー組成物であって、重合体(A)と、(メタ)アクリレート化合物(B)と、液状媒体(C)と、を含有し、前記重合体(A)が含フッ素系重合体粒子またはジエン系重合体粒子であり、前記バインダー組成物中における前記化合物(B)の濃度が10〜1,000ppmであることを特徴とする。
    【選択図】なし

    The positive electrode binder composition

    公开(公告)号:JP4849286B1

    公开(公告)日:2012-01-11

    申请号:JP2011126043

    申请日:2011-06-06

    CPC classification number: H01M4/621 H01M4/13 H01M4/136 H01M4/622 H01M2004/028

    Abstract: 【課題】イオン導電性、耐酸化性および密着性のすべてに優れる正極用バインダー材料を提供すること。
    【解決手段】上記正極用バインダー組成物は、フッ化ビニリデン、四フッ化エチレンおよび六フッ化プロピレンよりなる群から選ばれる少なくとも1種に由来する繰り返し単位を有する重合体Aと、不飽和カルボン酸エステルに由来する繰り返し単位を有する重合体Bと、を含有するポリマーアロイ粒子、および水を含有し、そして前記ポリマーアロイ粒子の平均粒子径が50〜400nmであることを特徴とする。
    【選択図】なし

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