JP6004198B2 - 電極、その製造方法、それを含むエネルギーデバイス、電子機器および輸送デバイス - Google Patents
電極、その製造方法、それを含むエネルギーデバイス、電子機器および輸送デバイス Download PDFInfo
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- JP6004198B2 JP6004198B2 JP2013516217A JP2013516217A JP6004198B2 JP 6004198 B2 JP6004198 B2 JP 6004198B2 JP 2013516217 A JP2013516217 A JP 2013516217A JP 2013516217 A JP2013516217 A JP 2013516217A JP 6004198 B2 JP6004198 B2 JP 6004198B2
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- 239000012808 vapor phase Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Description
本実施の形態では、官能基が付加された導電性繊維を含む電極及びその製造方法について説明する。
本実施の形態では、カルボキシル基を含む官能基が付加された導電性繊維を含み、さらに該導電性繊維にキノン基含有化合物が担持された電極及びその製造方法について説明する。本実施形態の電極は、導電性繊維にキノン基含有化合物が担持されている点以外は実施形態1の電極と同様である。同じ点は説明を省略する。
本実施の形態では、実施形態1または実施形態2による電極を含む少なくとも一対の電極体を捲回して含む捲回型のエネルギーデバイスについて説明する。ここでは、エネルギーデバイスとして電気二重層キャパシタについて説明するが、本発明はこれに限定されない。
本実施例では、集電体の表面に立設した導電性繊維に対してカルボキシル基を付加した電極を製造した。導電性繊維としてカーボンナノチューブを用いた。
本比較例では、集電体の表面に立設した導電性繊維に対してキノン基含有化合物を担持させて電極を製造し、電気二重層キャパシタ特性を測定した。導電性繊維としてカーボンナノチューブを用いた。キノン基含有化合物としてナフトキノンを用いた。
次にカーボンナノチューブにナフトキノンを担持させた。
本実施例では、集電体の表面に立設した導電性繊維に対してカルボキシル基を付加し、さらにキノン基含有化合物を担持させて電極を製造し、電気二重層キャパシタ特性を測定した。導電性繊維としてカーボンナノチューブを用いた。キノン基含有化合物としてナフトキノンを用いた。
本実施例は、キノン基含有化合物として1,4−ジアミノアントラキノンを用いたこと以外は実施例2と同様である。
本実施例では、キノン基含有化合物の代わりに、ベンゼン環に酸素の二重結合を1つ持つ材料としてベンズアントロン(ベンゼン環に酸素の二重結合を1つのみ持つ化合物)を用いた。この点以外は実施例2と同様である。
11、13 集電体
12、14 導電性繊維
15 セパレータ
16 正極
17 負極
20 電子機器
30 電気自動車
Claims (17)
- 集電体と、前記集電体の表面に一端が電気的に接続するように立設された複数本の導電性繊維と、を含む電極であって、
前記導電性繊維は、炭素からなるとともに、カルボキシル基を含む官能基が付加され、単量体のキノン基含有化合物が担持されている、電極。 - 集電体と、前記集電体の表面に一端が電気的に接続するように立設された複数本の導電性繊維と、を含む電極であって、
前記導電性繊維は、炭素からなるとともに、オキソ基を含む官能基およびヒドロキシ基を含む官能基が付加され、単量体のキノン基含有化合物が担持されている、電極。 - 前記導電性繊維は、直径が0.1nm〜100nmである、請求項1または2に記載の電極。
- 前記電極における前記官能基の含有量は、前記導電性繊維を構成する炭素量(ただし、前記官能基に含まれる炭素量は除く)1に対して重量比で0.19以上0.56以下である、請求項1〜3のうちいずれか一項に記載の電極。
- 前記導電性繊維は、カーボンナノチューブである、請求項1〜4のいずれか1項に記載の電極。
- 前記カーボンナノチューブは、触媒金属粒子を介して前記集電体の前記表面に立設されている、請求項5に記載の電極。
- 前記カーボンナノチューブは、多層カーボンナノチューブである、請求項5または6に記載の電極。
- 前記キノン基含有化合物はナフトキノンまたはジアミノアントラキノンである、請求項1〜7のいずれか1項に記載の電極。
- 前記キノン基含有化合物はアミノ基を有しない化合物である、請求項1〜7のいずれか1項に記載の電極。
- 電極を製造する方法であって、
前記電極は、集電体と、前記集電体の表面に一端が電気的に接続するように立設された複数本の導電性繊維と、を含み、
前記導電性繊維は、炭素からなるとともに、カルボキシル基を含む官能基が付加されており、
前記方法は、集電体の表面に一端が電気的に接続するように立設された、炭素からなる導電性繊維に対してカルボキシル基を含む官能基を付加する工程を含み、
前記官能基を付加する工程は、オゾン含有雰囲気中で前記導電性繊維に紫外線を照射することにより行なわれる、方法。 - 電極を製造する方法であって、
前記電極は、集電体と、前記集電体の表面に一端が電気的に接続するように立設された複数本の導電性繊維と、を含み、
前記導電性繊維は、炭素からなるとともに、オキソ基を含む官能基およびヒドロキシ基を含む官能基が付加されており、
前記方法は、集電体の表面に一端が電気的に接続するように立設された、炭素からなる導電性繊維に対してオキソ基を含む官能基およびヒドロキシ基を含む官能基を付加する工程を含み、
前記官能基を付加する工程は、オゾン含有雰囲気中で前記導電性繊維に紫外線を照射することにより行なわれる、方法。 - 前記導電性繊維にキノン基含有化合物を担持する工程をさらに含む、請求項10または11に記載の方法。
- 前記キノン基含有化合物を担持する工程は、キノン基含有化合物を含む液体に前記導電性繊維を接触させることにより行なわれる、請求項12に記載の製造方法。
- 正極、セパレータ及び負極をこの順で積層して含み、
前記正極と前記負極の少なくとも1つが、請求項1〜9のいずれか1項に記載の電極であり、前記正極と前記負極との間が電解液で満たされている、エネルギーデバイス。 - 前記エネルギーデバイスは、キャパシタまたは電池である、請求項14に記載のエネルギーデバイス。
- 請求項14又は15に記載のエネルギーデバイスと電気回路とを備え、前記エネルギーデバイスから前記電気回路に電流が供給される、電子機器。
- 請求項14又は15に記載のエネルギーデバイスと駆動部とを備え、前記エネルギーデバイスから前記駆動部に電流が供給される、輸送デバイス。
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US9269504B2 (en) | 2016-02-23 |
US20140093773A1 (en) | 2014-04-03 |
WO2012160822A1 (ja) | 2012-11-29 |
CN103503100A (zh) | 2014-01-08 |
CN103503100B (zh) | 2016-08-17 |
JPWO2012160822A1 (ja) | 2014-07-31 |
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