JP2018510459A - ゲル高分子電解質、その製造方法およびゲル高分子電解質を含む電気化学素子 - Google Patents
ゲル高分子電解質、その製造方法およびゲル高分子電解質を含む電気化学素子 Download PDFInfo
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- JP2018510459A JP2018510459A JP2017542478A JP2017542478A JP2018510459A JP 2018510459 A JP2018510459 A JP 2018510459A JP 2017542478 A JP2017542478 A JP 2017542478A JP 2017542478 A JP2017542478 A JP 2017542478A JP 2018510459 A JP2018510459 A JP 2018510459A
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- polymer electrolyte
- gel polymer
- acrylate
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- monomer
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Abstract
Description
実施例1−1:互いに異なる3種の熱架橋可能なモノマーを利用したゲル高分子電解質の製造
本発明の一実施形態により、互いに異なる3種の熱架橋可能なモノマーを解離可能な塩、および有機溶媒と混合した後、熱を加えてゲル高分子電解質を製造した。
本発明の一実施形態により、互いに異なる3種の光架橋可能なモノマーを解離可能な塩、および有機溶媒と混合した後、紫外線を加えてゲル高分子電解質を製造した。
本発明の一実施形態とは異なり、単に1種の熱架橋可能なモノマーだけを解離可能な塩、および有機溶媒と混合した後、熱を加えてゲル高分子電解質を製造した。
実施例1および比較例1で製造された各前駆体組成物を用いて、両面に集電体が付着したフィルム形態のゲル高分子電解質を製造した。これは、電極との接着性評価を容易に行うための形態である。
実施例1−1で製造された前駆体組成物をPETモールド(polyethyleneterephthalate mold)が付着したアルミニウム集電体の上に約150μmの厚さに塗布した後、また他のアルミニウム集電体に覆って、積層体を製造した。
実施例1−2で製造された前駆体組成物をPETモールド(polyethylene terephthalate mold)が付着したアルミニウム集電体の上に約150μmの厚さに塗布した後、また他のアルミニウム集電体で覆って、積層体を製造した。
実施例1−1で製造された前駆体組成物の代わりに比較例1で製造された前駆体組成物を用いた点を除いては、製造例1−1と全て同様な方法で積層体を製造した後、1種の熱架橋可能なモノマーの熱架橋反応を誘導した結果、ゲル高分子電解質がフィルム形態で得られた。
製造例2−1:互いに異なる3種の熱架橋可能なモノマーを利用したコインセルの
実施例1−1で製造された前駆体組成物を用いて、リチウムメタル非対称コインセルを製造した。
実施例1−1で製造された前駆体組成物を用いて、リチウムイオン二次電池をコインセル形態で製造した。
実施例1−2で製造された前駆体組成物を用いて、リチウムメタル非対称コインセルを製造した。
実施例1−2で製造された前駆体組成物を用いて、リチウムイオン二次電池をコインセル形態で製造した。
実施例1−1で製造された前駆体組成物の代わりに比較例1で製造された前駆体組成物を用いた点を除いては、製造例2−1と全て同様な方法によりリチウムメタル非対称コインセルおよびリチウムイオン二次電池をそれぞれ製造した。
実施例1および比較例1で製造された各ゲル高分子電解質のイオン伝導度特性を評価するために、抵抗分析装置を利用して製造例2および製造比較例2の各リチウムイオン二次電池のイオン伝導度を測定し(測定値)、ポリエチレンセパレータによる抵抗値を補正して(補正値)、その結果を下記表1に記録した。
製造例1および製造比較例1でフィルム形態で製造された各ゲル高分子電解質を用いて、電極に対する実施例1および比較例1で製造された各ゲル高分子電解質の接着性を評価した。
製造例2および製造比較例2で製造された各リチウムメタル非対称コインセルに対して、酸化安定性および酸化−還元安定性をそれぞれ評価した。
製造例2および製造比較例2で製造された各リチウムイオン二次電池に対して、放電容量を評価した。
Claims (14)
- 多成分系架橋高分子マトリックスと、
解離可能な塩と、
有機溶媒と、を含み、
前記多成分系架橋高分子マトリックスの含有量は、1乃至50重量%であり、
前記多成分系架橋高分子マトリックスの構造は、互いに異なる3種以上の架橋可能なモノマーが架橋結合して形成された網構造であり、
前記架橋可能なモノマーは、カルボキシル作用基(carboxylic group)、アクリレート作用基(acrylate group)、およびシアノ作用基(cyano group)からなる群から選択される少なくとも2つ以上の作用基を含むものである、ゲル高分子電解質。 - 前記架橋可能なモノマーは、
熱架橋モノマー、熱架橋モノマーの誘導体、光架橋モノマー、光架橋モノマーの誘導体、およびこれらの任意な組み合わせからなる群から選択されたいずれか一つである、請求項1に記載のゲル高分子電解質。 - 前記架橋可能なモノマーは、
トリメチロールプロパンエトキシレートトリアクリレート(trimethylolpropane−ethoxylate triacrylate)、アクリル酸(acrylic acid)、カルボキシエチルアクリレート(carboxyethyl acrylate)、ポリアクリル酸(poly acrylic acid)、カルボキシメチルセルロース(carboxymethyl cellulose)、アルジネート(alginate)、ポリビニルアルコール(polyvinyl alcohol)、アガロース(agarose)、ポリエチレングリコールジアクリレート(polyethylene glycol diacrylate)、トリエチレングリコールジアクリレート(triethylene glycol diacrylate)、トリメチロールプロパンエトキシレートトリアクリレート(trimethylolpropane−ethoxylate triacrylate)、ビスフェノールAエトキシレートジメタクリレート(bisphenol−A−ethoxylate dimethaacrylate)、カルボキシエチルアクリレート(carboxyethyl acrylate)、メチルシアノアクリレート(methyl cyanoacrylate)、エチルシアノアクリレート(ethyl cyanoacrylate)、エチルシアノエトキシアクリレート(ethyl cyano ethoxyacrylate)、シアノアクリル酸(cyano acrylic acid)、ヒドロキシエチルメタクリレート(hydroxyethyl metacrylate)、ヒドロキシプロピルアクリレート(hydroxypropyl acrylate)、これらの誘導体、およびこれらの混合物からなる群から選択されたいずれか一つである、請求項2に記載のゲル高分子電解質。 - 前記解離可能な塩は、
LiPF6、LiBF4、LiSbF6、LiAsF6、LiC4F9SO3、LiClO4、LiAlO2、LiAlCl4、LiN(CxF2x+1SO2)(CyF2y+1SO2)(ここで、xおよびyは自然数である)、LiCl、LiI、LiB(C2O4)2(リチウムビスオキサレートボレート(lithium bis(oxalato) borate;LiBOB)、またはこれらの任意な組み合わせを含むものである、請求項1に記載のゲル高分子電解質。 - 前記有機溶媒に対する前記解離可能な塩の濃度は、
0.1乃至5.0Mである、請求項1に記載のゲル高分子電解質。 - 前記有機溶媒は、
カーボネート系溶媒、エステル系溶媒、エーテル系溶媒、ケトン系溶媒、アルコール系溶媒、非プロトン性溶媒、ニトリル系溶媒、グリム系溶媒、またはこれらの任意な組み合わせを含むものである、請求項1に記載のゲル高分子電解質。 - 互いに異なる3種以上の架橋可能なモノマー、解離可能な塩、および有機溶媒を混合して、前駆体組成物を製造する段階と、
前記前駆体組成物に熱または紫外線を加えて、前記互いに異なる3種以上の架橋可能なモノマーを架橋させる段階と、を含み、
前記互いに異なる3種以上の架橋可能なモノマーが架橋されると、網構造の多成分系架橋高分子マトリックスが形成されるものである、ゲル高分子電解質の製造方法。 - 前記架橋可能なモノマーは、
カルボキシル作用基(carboxylic group)、アクリレート作用基(acrylate group)、およびシアノ作用基(cyano group)からなる群から選択される少なくとも2つ以上の作用基を含むものである、請求項7に記載のゲル高分子電解質の製造方法。 - 前記架橋可能なモノマーは、
熱架橋モノマー、熱架橋モノマーの誘導体、光架橋モノマー、光架橋モノマーの誘導体、およびこれらの組み合わせからなる群から選択されたいずれか一つである、請求項7に記載のゲル高分子電解質の製造方法。 - 前記架橋可能なモノマーは、
トリメチロールプロパンエトキシレートトリアクリレート(trimethylolpropane−ethoxylate triacrylate)、アクリル酸(acrylic acid)、カルボキシエチルアクリレート(carboxyethyl acrylate)、ポリアクリル酸(poly acrylic acid)、カルボキシメチルセルロース(carboxymethyl cellulose)、アルジネート(alginate)、ポリビニルアルコール(polyvinyl alcohol)、アガロース(agarose)、ポリエチレングリコールジアクリレート(polyethylene glycol diacrylate)、トリエチレングリコールジアクリレート(triethylene glycol diacrylate)、トリメチロールプロパンエトキシレートトリアクリレート(trimethylolpropane−ethoxylate triacrylate)、ビスフェノールAエトキシレートジメタクリレート(bisphenol−A− ethoxylate dimethaacrylate)、カルボキシエチルアクリレート(carboxyethyl acrylate)、メチルシアノアクリレート(methyl cyanoacrylate)、エチルシアノアクリレート(ethyl cyanoacrylate)、エチルシアノエトキシアクリレート(ethyl cyano ethoxyacrylate)、シアノアクリル酸(cyano acrylic acid)、ヒドロキシエチルメタクリレート(hydroxyethyl metacrylate)、ヒドロキシプロピルアクリレート(hydroxypropyl acrylate)、これらの誘導体、およびこれらの混合物からなる群から選択されたいずれか一つである、請求項7に記載のゲル高分子電解質の製造方法。 - 互いに異なる3種以上の架橋可能なモノマー、解離可能な塩、および有機溶媒を混合して、前駆体組成物を製造する段階で、
前記製造された前駆体組成物内の前記架橋可能なモノマー全体の含有量は、
1乃至50重量%である、請求項7に記載のゲル高分子電解質の製造方法。 - 互いに異なる3種以上の架橋可能なモノマー、解離可能な塩、および有機溶媒を混合して、前駆体組成物を製造する段階で、
前記有機溶媒に対する前記解離可能な塩の濃度は、
0.1乃至5.0Mである、請求項7に記載のゲル高分子電解質の製造方法。 - 正極と、
負極と、
セパレータと、
前記正極、前記負極および前記セパレータに含浸される、電解質と、を含み、
前記電解質は、請求項1乃至12のいずれか一項に記載のゲル高分子電解質である、電気化学素子。 - 前記電気化学素子は、
リチウム二次電池またはスーパーキャパシタ(super capacitor)である、請求項13に記載の電気化学素子。
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CN111146009B (zh) * | 2019-12-11 | 2021-12-31 | 广西大学 | 一种电致变色超级电容器材料的制备方法及其应用 |
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WO2021257973A1 (en) * | 2020-06-19 | 2021-12-23 | The Regents Of The University Of Michigan | Hybrid electrolyte for lithium metal battery |
KR102615538B1 (ko) * | 2021-06-03 | 2023-12-20 | 한국화학연구원 | 난연성 겔 전해질 및 이를 포함하는 에너지 저장장치 |
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JP6469879B2 (ja) | 2019-02-13 |
WO2016133279A1 (ko) | 2016-08-25 |
EP3261164B1 (en) | 2020-08-26 |
CN107251305B (zh) | 2019-10-25 |
US20180034101A1 (en) | 2018-02-01 |
EP3261164A4 (en) | 2018-07-25 |
ES2821827T3 (es) | 2021-04-27 |
CN107251305A (zh) | 2017-10-13 |
EP3261164A1 (en) | 2017-12-27 |
US10707527B2 (en) | 2020-07-07 |
KR101648465B1 (ko) | 2016-08-16 |
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