Porous films and processes for the production thereof

There are provided a porous film comprising a polymer composition comprising (a) a polymer having C=C double bond and an aliphatic ring having 5 to 10 carbon atoms in a main chain thereof; and (b) another resin; a porous film, wherein all or a part of C=C double bond in the (a) polymer is disappeared; and a porous film, wherein the (a) polymer and the (b) resin are cross-linked therebetween. The porous film has appropriate porosity, air permeability and puncture strength, and is especially excellent in latent heat resistance or heat resistance. Further, there are provided a process for producing the porous film; a separator for a battery comprising the porous film; and a battery comprising the separator.

Battery containing a polycarbodiimide polymer

A battery highly inhibited from suffering self-discharge.The battery is characterized by containing a built-in polymer which has in the molecule a carbodiimide unit represented the following formula (I):wherein R means an organic group and n means an integer of 1 to 10,000).

Partially crosslinked adhesive-supported porous film for battery separator and its use

A partially crosslinked adhesive-supported porous film for battery separator, which in producing a battery, can effectively produce a battery as an electrode/separator laminate in which an electrode and a separator are temporarily bonded to each other without causing mutual slip movement between the electrode and the separator and which after producing a battery, functions itself as a separator having a small heat shrinkage factor even at high temperatures, and a process of producing a battery using such a partially crosslinked adhesive-supported porous film. The partially crosslinked adhesive-supported porous film for battery separator, includes a porous film substrate having supported thereon a partially crosslinked adhesive that is partially crosslinked by preparing a reactive polymer having a functional group in the molecule and capable of being crosslinked upon reaction with a polyfunctional compound having reactivity with the functional group and then reacting the reactive polymer ...

Nonaqueous electrolyte secondary battery and cathode sheet therefor

The invention provides a nonaqueous electrolyte secondary battery having a cathode and an anode arranged so as to be opposite to each other, and an electrolyte layer put therebetween; wherein the cathode comprises: (a) a conductive polymer and (b) at least one selected from the group consisting of a polycarboxylic acid and a metal salt thereof, and wherein the anode comprises a material into which a base metal or ions thereof can be inserted and from which a base metal or ions thereof can be extracted. The invention further provides a cathode sheet for use in the nonaqueous electrolyte secondary battery mentioned above.

Adhesive composition-supporting separator for battery and electrode/separator laminate obtained by using the same

An adhesive composition-supporting separator for a battery includes a porous substrate supporting thereon a thermally cross-linkable adhesive composition comprising a multi-functional isocyanate and a reactive polymer having a functional group capable of reacting with an isocyanato group of the multi-functional isocyanate; an electrode/separator laminate is obtained by contact pressing the adhesive composition-supporting separator for a battery against electrodes; and an electrode/separator bonded material having a cross-linked adhesive composition is obtained by heating the electrode/separator laminate to thereby react the multifunctional isocyanate with the reactive polymer for causing cross-linking.

Adhesive composition-supporting separator for battery and electrode/ separator laminate obtained by using the same

An adhesive composition-supporting separator for a battery includes a porous substrate supporting thereon a thermally cross-linkable adhesive composition comprising a multi-functional isocyanate and a reactive polymer having a functional group capable of reacting with an isocyanato group of the multi-functional isocyanate; an electrode/separator laminate is obtained by contact pressing the adhesive composition-supporting separator for a battery against electrodes; and an electrode/separator bonded material having a cross-linked adhesive composition is obtained by heating the electrode/separator laminate to thereby react the multifunctional isocyanate with the reactive polymer for causing cross-linking.

Partially crosslinked adhesive-supported porous film for battery separator and its use

A partially crosslinked adhesive-supported porous film for battery separator, which in producing a battery, can effectively produce a battery as an electrode/separator laminate in which an electrode and a separator are temporarily bonded to each other without causing mutual slip movement between the electrode and the separator and which after producing a battery, functions itself as a separator having a small heat shrinkage factor even at high temperatures, and a process of producing a battery using such a partially crosslinked adhesive-supported porous film. The partially crosslinked adhesive-supported porous film for battery separator, includes a porous film substrate having supported thereon a partially crosslinked adhesive that is partially crosslinked by preparing a reactive polymer having a functional group in the molecule and capable of being crosslinked upon reaction with a polyfunctional compound having reactivity with the functional group and then reacting the reactive polymer with a polyfunctional compound.

Battery separator containing carbodiimide polymer

A separator capable of inhibiting the self-discharge of a battery. The separator is a battery separator obtained by applying a polymer having in the molecule a carbodiimide unit represented by the following formula (I): -[-R-N-C-N-]_n- (I) (wherein R means an organic group and n means an integer of 1 to 10,000) to a porous sheet substrate.

Nonaqueous electrolyte secondary battery and cathode sheet therefor

The invention provides a cathode sheet for use in a nonaqueous electrolyte secondary battery, including a composite material comprising a collector and a layer of a cathode active material provided thereon. The layer of a cathode active material includes: (a) a conductive polymer and (b) at least one selected from a polycarboxylic acid and a metal salt of a polycarboxylic acid; and the conductive polymer is a polymer in a dedoped state or in a dedoped and reduced state. The polymer constituting the conductive polymer is at least one selected from polyaniline, a polyaniline derivative, polypyrrole, a polypyrrole derivative, and polythiophene; and the polycarboxylic acid is at least one selected from polyacrylic acid, polymethacrylic acid, polyvinylbenzoic acid, polyallylbenzoic acid, polymethallylbenzoic acid, polymaleic acid, polyfumaric acid, polyglutaminic acid, polyaspartic acid, alginic acid, carboxymethylcellulose, and a copolymer including repeating units of at least two of the polymers ...

Separator for battery

A separator capable of inhibiting the self-discharge of a battery. The separator is a battery separator obtained by applying a polymer having in the molecule a carbodiimide unit represented by the following formula (I): —[—R—N═C═N—]n— (I) (wherein R means an organic group and n means an integer of 1 to 10,000) to a porous sheet substrate.

Polymer electrolyte membrane, method for producing the same, membrane-electrode assembly using the same, and fuel cell using the same

Provided are a polymer electrolyte membrane exhibiting a relatively high ion conductivity, and a method for producing the polymer electrolyte membrane. The polymer electrolyte membrane of the present invention is an ion-conducting polymer electrolyte membrane including a polymer. The polymer includes a hydrophobic main chain and side chains bonded to the main chain. Each of the side chains includes a hydrophobic main chain portion and a plurality of side chain portions bonded to the main chain portion. Each of the side chain portions includes a hydrophobic first portion bonded to the main chain portion, and a second portion bonded to the first portion. The second portion includes an ion-conducting group.

Power storage device electrode, and power storage device employing the electrode

A power storage device electrode is provided, which includes a layer made of a composite material containing an organic sulfide compound (A) as an electrode active material and a sulfide-containing organic polymer (B) as a binder, and a current collector stacked on the layer. The power storage device electrode is used as a positive electrode of a power storage device. Therefore, the power storage device is less liable to suffer from reduction in capacity during repeated charge/discharge, and has a higher capacity density and a higher energy density.

Nonaqueous electrolyte secondary battery and cathode sheet therefor

The invention provides a nonaqueous electrolyte secondary battery having a cathode and an anode arranged so as to be opposite to each other, and an electrolyte layer put therebetween; wherein the cathode comprises: (a) a conductive polymer and (b) at least one selected from the group consisting of a polycarboxylic acid and a metal salt thereof, and wherein the anode comprises a material into which a base metal or ions thereof can be inserted and from which a base metal or ions thereof can be extracted. The invention further provides a cathode sheet for use in the nonaqueous electrolyte secondary battery mentioned above.

Power storage device positive electrode, power storage device, and method for producing slurry for power storage device positive electrode

A higher performance positive electrode for a power storage device is provided, which ensures a higher capacity density per unit weight of an active substance and, particularly, a higher initial capacity in initial charge/discharge. The power storage device positive electrode includes electrically conductive polymer particles as an active substance, and the electrically conductive polymer particles each have a flat shape.

POWER STORAGE DEVICE, AND ELECTRODE AND POROUS SHEET USED IN SAME

A power storage device including an electrolyte layer, and a positive electrode and a negative electrode provided, with the electrolyte layer interposed therebetween. At least one of the electrodes is a composite including at least a thiophene polymer (A) having electrical conductivity varied by ion insertion/desertion, and a polycarboxylic acid (B). The polycarboxylic acid (B) is fixed in the electrode. A high-performance power storage device having an excellent capacity density per active substance weight and excellent high-speed charge and discharge characteristics is provided. 1. A power storage device comprising an electrolyte layer , and a positive electrode and a negative electrode provided , with the electrolyte layer interposed therebetween ,wherein at least one of the electrodes is a composite including at least a thiophene polymer (A) having electrical conductivity varied by ion insertion/desertion, and a polycarboxylic acid (B), andwherein the polycarboxylic acid (B) is fixed in the electrode.2. The power storage device according to claim 1 , wherein the thiophene polymer is subjected to an alkali treatment and/or a reduction treatment.3. An electrode for a power storage device claim 1 , the electrode being a composite including at least a thiophene polymer (A) having electrical conductivity varied by ion insertion/desertion claim 1 , and a polycarboxylic acid (B) claim 1 ,wherein the polycarboxylic acid (B) is fixed in the electrode.4. The electrode for a power storage device according to claim 3 , wherein the thiophene polymer is subjected to an alkali treatment and/or a reduction treatment.5. A porous sheet for a power storage device electrode claim 3 , comprising a composite including at least a thiophene polymer (A) having electrical conductivity varied by ion insertion/desertion claim 3 , and a polycarboxylic acid (B) claim 3 ,wherein the polycarboxylic acid (B) is fixed in the electrode.6. The porous sheet for a power storage device electrode ...

ELECTRICITY STORAGE DEVICE, ELECTRODE USED THEREIN, AND POROUS SHEET

For achievement of a novel electricity storage device excellent in charge and discharge velocity and in capacity density, and an electrode and a porous sheet for use in the same, an electricity storage device including an electrolyte layer, a positive electrode, and a negative electrode is provided, wherein the electrolyte layer is interposed between the electrodes, and wherein at least one of the electrodes is a porous film made from a solution having an electrically conductive polymer in a reduced state. 1. An electricity storage device comprising an electrolyte layer , a positive electrode , and a negative electrode , wherein the electrolyte layer is interposed between the positive and negative electrodes , wherein at least one of the electrodes is a porous film made from a solution having an electrically conductive polymer (A) in a reduced state.2. The electricity storage device according to claim 1 , wherein the solution having the electrically conductive polymer (A) in the reduced state further contains a polycarboxylic acid (B).3. The electricity storage device according to claim 1 , wherein the solution having the electrically conductive polymer (A) in the reduced state further contains a conductive agent (C).4. An electrode for an electricity storage device claim 1 , the electrode being a porous film made from a solution having an electrically conductive polymer (A) in a reduced state.5. The electrode for an electricity storage device according to claim 4 , wherein the solution having the electrically conductive polymer (A) in the reduced state further contains a polycarboxylic acid (B).6. The electrode for an electricity storage device according to claim 4 , wherein the solution having the electrically conductive polymer (A) in the reduced state further contains a conductive agent (C).7. A porous sheet for an electricity storage device electrode claim 4 , the porous sheet being a porous film made from a solution having an electrically conductive polymer (A ...

Nonaqueous electrolyte secondary battery and cathode sheet therefor

The invention provides a cathode sheet for use in a nonaqueous electrolyte secondary battery, including a composite material comprising a collector and a layer of a cathode active material provided thereon. The layer of a cathode active material includes: (a) a conductive polymer and (b) at least one selected from a polycarboxylic acid and a metal salt of a polycarboxylic acid; and the conductive polymer is a polymer in a dedoped state or in a dedoped and reduced state. The polymer constituting the conductive polymer is at least one selected from polyaniline, a polyaniline derivative, polypyrrole, a polypyrrole derivative, and polythiophene; and the polycarboxylic acid is at least one selected from polyacrylic acid, polymethacrylic acid, polyvinylbenzoic acid, polyallylbenzoic acid, polymethallylbenzoic acid, polymaleic acid, polyfumaric acid, polyglutaminic acid, polyaspartic acid, alginic acid, carboxymethylcellulose, and a copolymer including repeating units of at least two of the polymers listed herein.

Production of polyolefin porous membrane

(57)【要約】 【課題】 応力が緩和されて加熱等による形状変化が小 さく、高強度のポリオレフィン多孔質膜を製造する方法 を提供する。 【解決手段】 分子量が６×１０ 5 以上である超高分子 量成分を５重量％以上含むポリオレフィンと、その良溶 媒を溶融混練し、環状ダイス７から押出して、ゲル状チ ューブラーフィルム３０ａを形成し、これを加熱延伸し て得た延伸形成物３０ｂを、残存溶媒を除去し、乾燥さ せ、さらに膨脹させてチューブ状態でヒートセットす る。このチューブラーヒートセットの後、多孔質膜フィ ルム３０ｃは反転による捩りを加えられながら開裂され てシート状となり、連続的に巻き取られる。

POROUS MULTILAYER FILM COMPRISING POLYOLEFINS AND PROCESS FOR PRODUCING THE SAME

L'invention concerne un film poreux stratifié comprenant une couche interne poreuse comprenant un polyéthylène en tant que constituant principal et sur chaque côté de laquelle est formée une couche externe poreuse comprenant un polypropylène et ayant une dureté Vickers de 10 ou plus, ainsi qu'un procédé de production de ce film poreux qui comprend un étirage du film pour le rendre poreux et un traitement thermique pour durcir les couches externes. Ce film poreux peut être utilisé comme séparateur pour générateur de type pile ou batterie au lithium. Disclosed is a laminated porous film comprising a porous inner layer comprising a polyethylene as a main component and on each side of which is formed a porous outer layer comprising a polypropylene and having a Vickers hardness of 10 or more, as well as a porous outer layer comprising a polypropylene. A process for producing this porous film which comprises stretching the film to make it porous and heat treatment to harden the outer layers. This porous film can be used as a separator for a battery type generator or a lithium battery.

Porous film and method of producing the same

SEPARATOR FOR BATTERY

Nonaqueous-electrolyte secondary battery and positive-electrode sheet therefor

ゲル電解質とこれを用いる非水電解質電池

(57)【要約】 【課題】固体電解質として新規で有用なゲル電解質とこ れを含む非水電解質電池を提供する。 【解決手段】一般式（Ｉ） 【化１】 （式中、Ｒ 1 及びＲ 2 はそれぞれ独立に水素原子又はア ルキル基を示し、ｎは１〜１８の整数を示す。）で表さ れる二官能性アクリルアミド化合物から形成される架橋 ポリマーからなるポリマーマトリックス中に電解質塩と この電解質塩のための溶媒を保持させてなる。

有機活物質およびそれを用いた蓄電デバイス

【課題】廃棄が容易で、容量密度に優れ高い放電特性を有する有機活物質およびそれを用いた蓄電デバイスを提供する。【解決手段】下記一般式（１）で表される化合物を有する有機活物質。【選択図】なし

蓄電デバイス、それに用いる電極および多孔質シート

【課題】高容量密度や高エネルギー密度を有する新規な蓄電デバイスを提供する。 【解決手段】電解質層３と、これを挟んで設けられた正極２と負極４とを有する蓄電デバイスであって、少なくとも一方の電極が、少なくとも下記（Ａ）と（Ｂ）と（Ｃ）と（Ｄ）とからなる複合体であるとともに下記（Ｂ）が複合体内に固定されている蓄電デバイス。 （Ａ）導電性ポリマー。 （Ｂ）アニオン性材料。 （Ｃ）多孔質炭素材料。 （Ｄ）チオール系化合物。 【選択図】図１

Separator mit klebstoffzusammensetzung für batterie und daraus hergestellte laminat- separator/elektrode

Batterie

イオン伝導体

【課題】室温から高温に至るまで、電極間に沿った方向に高いイオン伝導率を示すイオン伝導体を提供する。 【解決手段】 電解質と、ａ）下記式（化１）で示される少なくとも２種類の分子、またはｂ）下記式（化１）で示される分子およびＮＣ−Ｃ 6 Ｈ 4 −Ｃ 6 Ｈ 4 −Ｏ−Ｒ 2 、ＮＣ−Ｃ 6 Ｈ 4 −Ｃ 6 Ｈ 4 −Ｒ 3 、ＮＣ−Ｃ 6 Ｈ 4 −ＣＨ（ＯＣＨ 2 ） 2 ＣＨ−Ｒ 4 またはＮＣ−Ｃ 6 Ｈ 4 −ＯＣＯ−Ｃ 6 Ｈ 4 −Ｒ 5 で示される少なくとも１種類の分子と、を含むイオン伝導体とする。ただし、Ａはシアノ基またはフッ素原子であり、Ｒ 1 は炭素数が２以上８以下の直鎖アルキル基であり、Ｒ 2 、Ｒ 3 、Ｒ 4 、Ｒ 5 は炭素数が２以上１０以下の直鎖アルキル基である。 【化１】 【選択図】図１

プロトン伝導性高分子電解質膜とそれを用いた膜−電極接合体および高分子電解質型燃料電池

【課題】ポリイミド系高分子電解質膜を具備するプロトン伝導性高分子電解質膜であって、電極との間で十分な密着性を有する電解質膜を提供する。 【解決手段】ポリイミド系高分子電解質膜と、この少なくとも片面に積層されたフッ素系高分子電解質膜とを備え、ポリイミド系高分子電解質膜が、テトラカルボン酸二無水物と、プロトン伝導基を有する第１の芳香族ジアミンと、プロトン伝導基を有さない第２の芳香族ジアミンと、の重縮合により形成されたポリイミド樹脂を主成分とし、前記第２の芳香族ジアミンが３以上の環からなる縮合環骨格を有する、プロトン伝導性高分子電解質膜とする。このような電解質膜は、高分子電解質型燃料電池（ＰＥＦＣ）、特にダイレクトメタノール型燃料電池（ＤＭＦＣ）に好適である。 【選択図】図１

Batterie

カーボネート化セルロース系化合物およびその製造方法ならびにゲル状電解質

【課題】製造が容易であり、ゲル状電解質に適用した場合に、イオン伝導度と電解液の保持性が共に良好となる新規なセルロース系化合物を提供する。 【解決手段】 下記式（１）（各記号の定義は、明細書中の定義の通りである）で表される繰り返し単位を有するヒドロキシアルキルセルロースのヒドロキシル基の少なくとも一部を、−ＯＣ（＝Ｏ）ＯＲ 8 で表される基（Ｒ 8 の定義は、明細書中の定義の通りである。）で置換した構造を有するカーボネート化セルロース系化合物。 【選択図】なし

イオン伝導体

【課題】使用環境に相当する高温で高く、保存環境に相当する低温で低いイオン伝導率を有するイオン伝導体を提供する。 【解決手段】電解質と下記（化１）（ただし、Ｒは炭素数が４以上１０以下である直鎖アルキル基）で示される分子とを含むイオン伝導体とする。電解質の含有率は１〜２０モル％、分子の含有率は８０〜９９モル％が好適である。 【化１】 【選択図】図１

電解質組成物及びその製造方法並びに電解質組成物を用いた電気化学素子

【課題】基板方向（電極間方向）に高いイオン伝導性を示す新規な電解質組成物及びその製造方法並びにこれを用いた電気化学素子を提供する。 【解決手段】一対の配向膜付き基板を、配向膜の配向軸を一致させかつ一定の間隔を空けて配向膜面を対向させたセルを作製し、このセルを下記式（Ｉ）に示す液晶単量体と電解質塩と重合開始剤とを含む混合組成物の等方相転移温度以上に加熱した後、この混合組成物をセルに注入し、所望の液晶相を発現する温度までセルを冷却する。 Ｒ−α-Ｘｍ-β−Ａ-γ−Ｙｎ−ω ・・・（Ｉ）（Ｒはアクリル基、メタクリル基、エポキシ基、ビニル基、アリル基を示す。Ｘは−ＣＨ ２ −を示し、ｍは１〜２０の整数を示す。Ａはメソゲン基を示す。Ｙは−ＣＨ ２ ＣＨ ２ Ｏ−または−ＣＨＣＨ ３ ＣＨ ２ Ｏ−を示し、ｎは１〜２０の整数を示す。α、β及びγは酸素原子あるいは酸素原子無し、ωは水素原子あるいはメチル基を示す） 【選択図】なし

多孔質フィルムの製造方法

(57)【要約】 【課題】電池用セパレーターとして好適に使用し得る、 強度の異方性がすくなく厚みの均一な多孔質フィルムの 製造方法を提供すること。 【解決手段】高分子樹脂を含有する樹脂組成物の圧延前 成形物を圧延処理及び延伸処理して多孔質フィルムを製 造する方法において、前記圧延処理をダイス内部で行う ことを特徴とする多孔質フィルムの製造方法。

イオン伝導体

【課題】室温において、電極に対して垂直方向に高いイオン伝導率を示すイオン伝導体を提供する。 【解決手段】電解質と下記（化１）で示される分子（ただし、Ｒは炭素数が２以上１０以下の直鎖アルキル基）とを含むイオン伝導体とする。電解質の含有率は１〜２０モル％、上記液晶性分子の含有率は８０〜９９モル％が好適である。 【化１】 【選択図】図１

ゲル電解質とこれを用いる非水電解質電池

【課題】高い弾性率を有し、特に、電解液を含浸させて、圧縮すると、その表面に電解液が滲出する特性を有し、従って、電池に用いられたとき、電極材の膨潤収縮によく追随すると共に、電極材との間の電気的な接触を良好に保つことができ、かくして、高性能の電池を与えるゲル電解質を提供する。 【解決手段】本発明によるゲル電解質は、好ましくは、一般式（ＩＩＩ） 【化１】 （式中、Ｒ １　 は炭素原子数２〜１２のアルキレン基を示し、Ｒ ２　 は水素原子又はメチル基を示す。） で表されるアルキレングリコールのジ（メタ）アクリレートから形成されるポリマーをマトリックスとし、この中に電解質塩とこの電解質塩のための溶媒を保持させてなることを特徴とする。 【選択図】なし

多孔質フィルムの製造方法

(57)【要約】 【課題】電池用セパレーターとして高イオン透過性、高 強度及び厚みの均一性を保持するため、強度の異方性が 少なく厚みの均一な圧延シートを作製し、これを延伸処 理して多孔質フィルムを製造する。 【解決手段】高分子樹脂を含有する樹脂組成物のシート 状成形物を圧延処理及び延伸処理して多孔質フィルムを 製造する方法において、前記圧延処理をプレス圧延によ り行うことを特徴とする多孔質フィルムの製造方法。

イオン伝導性固体電解質

【課題】室温において、電極に対して垂直方向に高いイオン伝導率を示す固体電解質を提供する。 【解決手段】電解質塩と下記（化１）で示される分子（ただし、Ｒは炭素数が２以上１０以下の直鎖アルキル基）とを含むイオン伝導性固体電解質とする。電解質塩の含有率は１〜２０重量％、液晶化合物の含有率は８０〜９９重量％が好適である。 【化１】 【選択図】図１

イオン伝導体

【課題】室温から高温に至るまで、電極間に沿った方向に高いイオン伝導率を示すイオン伝導体を提供する。 【解決手段】電解質と、Ｒ 1 −Ｏ−Ｃ 6 Ｈ 4 −Ｃ 6 Ｈ 4 −ＣＮまたはＲ 2 −Ｃ 6 Ｈ 4 −Ｃ 6 Ｈ 4 −ＣＮで示される少なくとも２種類の分子とを含むイオン伝導体とする。ただし、Ｒ 1 およびＲ 2 は、それぞれ炭素数が２以上１０以下の直鎖アルキル基である。 【選択図】図１