JP2018206752A - リチウム−硫黄電池用隔膜及びリチウム−硫黄電池 - Google Patents
リチウム−硫黄電池用隔膜及びリチウム−硫黄電池 Download PDFInfo
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Abstract
Description
リチウム−硫黄電池は、硫黄−カーボンナノチューブ複合電極を陽極として、金属のリチウムシートを陰極として、下記の方法により形成される溶液を電解液として、上記リチウム−硫黄電池の隔膜を隔膜とする。その中には、陽極電極における硫黄の質量が65wt%を占める。具体的には、電解液は、0.2Mol/LのLiNO3を、1Mol/Lのリチウムビス(トリフルオロメタンスルホニル)イミド(LiTFSI)に添加することにより、形成された溶液である。
比較例bのリチウム−硫黄電池は、上記実施例aのリチウム−硫黄電池と基本的に同じである。異なることは、比較例bのリチウム−硫黄電池用隔膜は、ポリプロピレンフィルムを採用するだけである。
110 隔膜基板
120 機能層
122 カーボンナノチューブ層
124 酸化ハフニウム(HfO2)の被覆層
Claims (5)
- 隔膜基板及び少なくとも一つの機能層を含み、該隔膜基板が第一表面及び該第一表面と対向して設置される第二表面を有し、前記少なくとも一つの機能層が前記第一表面及び第二表面の中の少なくとも一つの表面に積層して設置されるリチウム−硫黄電池用隔膜において、前記少なくとも一つの機能層が、カーボンナノチューブ層及び酸化ハフニウムの被覆層を含み、前記カーボンナノチューブ層が複数のカーボンナノチューブを含み、前記酸化ハフニウムの被覆層が複数の酸化ハフニウムのナノスケールの粒子を含み、該複数の酸化ハフニウムのナノスケールの粒子が前記複数のカーボンナノチューブの表面に吸着されることを特徴とするリチウム−硫黄電池用隔膜。
- 前記複数のカーボンナノチューブの表面に均一的に連続する欠陥を含み、前記複数の酸化ハフニウムのナノスケールの粒子が前記欠陥に吸着され、且つ前記カーボンナノチューブの表面に連続する酸化ハフニウムの被覆層が形成されることを特徴とする、請求項1に記載のリチウム−硫黄電池用隔膜。
- 前記カーボンナノチューブ層は、積層し、交差して設置された少なくとも二層のカーボンナノチューブフィルムを含み、該カーボンナノチューブフィルムが複数のカーボンナノチューブを含み、該複数のカーボンナノチューブが、同じ方向に沿って配列されていることを特徴とする、請求項1に記載のリチウム−硫黄電池用隔膜。
- 前記酸化ハフニウムの被覆層の厚さは、1.0〜5.0ナノメートルであることを特徴とする、請求項1に記載のリチウム−硫黄電池用隔膜。
- リチウム−硫黄電池は、陽極、陰極、隔膜及び電解液を含み、該隔膜が前記陽極と前記陰極との間に設置され、前記隔膜が請求項1〜4のいずれか一項のリチウム−硫黄電池用隔膜であることを特徴とするリチウム−硫黄電池。
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| CN201710417608.8A CN108987652B (zh) | 2017-06-05 | 2017-06-05 | 锂硫电池隔膜以及锂硫电池 |
| CN201710417608.8 | 2017-06-05 |
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| JP2018206752A true JP2018206752A (ja) | 2018-12-27 |
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| CN110247005B (zh) * | 2019-05-28 | 2020-11-13 | 浙江大学 | 一种用于锂硫电池的双功能复合隔膜的制备方法 |
| CN110828827A (zh) * | 2019-10-18 | 2020-02-21 | 河北金力新能源科技股份有限公司 | 高电导浆料及其制备方法、隔膜 |
| CN111554856B (zh) * | 2020-05-18 | 2021-08-10 | 华中科技大学 | 一种锂硫电池的功能性复合夹层、其制备和应用 |
| CN113555646B (zh) * | 2021-08-10 | 2022-04-19 | 大连理工大学 | 一种凝剂型锂硫电池正极侧隔层材料的制备方法 |
| CN117239052A (zh) * | 2022-06-10 | 2023-12-15 | 清华大学 | 锂离子电池阳极 |
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| CN101127396A (zh) * | 2007-09-04 | 2008-02-20 | 西安交通大学 | 非晶碳纳米管在锂离子电池负极材料中的应用 |
| CN101988874B (zh) * | 2009-07-31 | 2012-01-25 | 清华大学 | 透射电镜试样制备方法 |
| US8974967B2 (en) * | 2009-12-21 | 2015-03-10 | The Board Of Trustees Of The Leland Stanford Junior Univerity | Nanotube-based nanomaterial membrane |
| TWI467833B (zh) * | 2011-07-20 | 2015-01-01 | Lg Chemical Ltd | 隔離膜、其之製造方法及包含其之電化學裝置 |
| KR101331112B1 (ko) * | 2011-09-28 | 2013-11-19 | (주)바이오니아 | 탄소나노튜브 및 금속산화물으로 이루어진 나노복합체 및 이의 제조방법 |
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Non-Patent Citations (2)
| Title |
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| APPLIED PHYSICS LETTERS, vol. 99, JPN6018043435, 2011, pages p.153115−1〜153115−3 * |
| CHEM.EUR.J., vol. 21, JPN6018043434, 2015, pages p.10061−10069 * |
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| Publication number | Publication date |
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| CN108987652A (zh) | 2018-12-11 |
| US20180351195A1 (en) | 2018-12-06 |
| TWI656681B (zh) | 2019-04-11 |
| US10756381B2 (en) | 2020-08-25 |
| CN108987652B (zh) | 2020-07-10 |
| TW201904110A (zh) | 2019-01-16 |
| JP6440806B1 (ja) | 2018-12-19 |
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