JP2013065554A - 蓄電装置用負極、および蓄電装置 - Google Patents
蓄電装置用負極、および蓄電装置 Download PDFInfo
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- JP2013065554A JP2013065554A JP2012189127A JP2012189127A JP2013065554A JP 2013065554 A JP2013065554 A JP 2013065554A JP 2012189127 A JP2012189127 A JP 2012189127A JP 2012189127 A JP2012189127 A JP 2012189127A JP 2013065554 A JP2013065554 A JP 2013065554A
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- storage device
- power storage
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Classifications
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- H—ELECTRICITY
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- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/48—Conductive polymers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/50—Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/52—Separators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
- H01G11/62—Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
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Abstract
【解決手段】負極活物質として、アモルファスPAHsと、キャリアイオン吸蔵金属、Sn化合物、キャリアイオン吸蔵合金、金属化合物、Si、Sb、またはSiO2のいずれか一以上と、の混合物を用いる。アモルファスPAHsの理論容量はグラファイト系炭素材料の理論容量を大きく上回る。そのためアモルファスPAHsを用いることで、グラファイト系炭素材料を用いる場合よりも前記負極活物質を大容量とすることができる。さらに、キャリアイオン吸蔵金属、Sn化合物、キャリアイオン吸蔵合金、金属化合物、Si、Sb、またはSiO2のいずれか一以上をアモルファスPAHsに混合することで、アモルファスPAHsのみの場合よりも前記負極活物質の容量を増加させることができる。
【選択図】図1
Description
本実施の形態では、本発明の一態様である蓄電装置用の負極活物質およびその作製方法について、図1を用いて説明する。
以下に図1(A)を用いて負極活物質100の一例について説明する。負極活物質100は、アモルファスPAHs101と、金属、金属化合物、Si、Sb、またはSiO2のいずれか一からなる微粒子102を有する。さらに複数の微粒子102が凝集した二次粒子103を有していてもよい。
以下に図1(B)および図1(C)を用いて、本発明の一態様に係る蓄電装置用の負極200の一例について説明する。
以下に負極活物質の作製方法の一例を説明する。
以下に負極活物質100を用いた負極200の作製方法の一例について説明する。
本実施の形態では、図2を用いて本発明の一態様に係る蓄電装置の一例について説明する。
本発明の一態様に係る蓄電装置は、電力により駆動する様々な電気機器および電子機器の電源として用いることができる。
本実施例では、アモルファスPAHsの原料として、球状フェノール樹脂(マリリン HF−008、群栄化学工業製)を用いた。粒度分布計で平均粒子径を測定したところ、9.6μmであった。
上記の負極活物質を用いて負極を作製した。負極の材料として負極活物質に加えて、導電助剤としてアセチレンブラック、バインダとしてPVdF、集電体としてCu箔を用いた。負極活物質、アセチレンブラック、PVdFの配合率は、負極活物質を82wt%、アセチレンブラックを8wt%、PVdFを10wt%とした。
上記のように作製した負極について、充放電容量および効率を測定し、充放電特性の評価を行った。
101 アモルファスPAHs
102 微粒子
103 二次粒子
120 導電助剤
121 多層グラフェン
130 負極集電体
200 負極
351 蓄電装置
353 外装部材
355 蓄電セル
357 端子部
359 端子部
363 負極
365 正極
367 セパレータ
369 電解液
371 負極集電体
375 正極集電体
377 正極活物質層
1000 表示装置
1001 筐体
1002 表示部
1003 スピーカー部
1004 蓄電装置
1100 照明装置
1101 筐体
1102 光源
1103 蓄電装置
1104 天井
1105 側壁
1106 床
1107 窓
1200 室内機
1201 筐体
1202 送風口
1203 蓄電装置
1204 室外機
1300 電気冷凍冷蔵庫
1301 筐体
1302 冷蔵室用扉
1303 冷凍室用扉
1304 蓄電装置
1400 タブレット型端末
1401 筐体
1402 筐体
1403 蓄電装置
Claims (10)
- アモルファスPAHsと、
キャリアイオン吸蔵金属、Sn化合物、キャリアイオン吸蔵合金、金属化合物、Si、Sb、またはSiO2のいずれか一以上を含む負極活物質と、
集電体と、を含む蓄電装置用負極。 - 前記キャリアイオン吸蔵金属は、Sn、Al、Zn、またはBiのいずれか一である、
請求項1に記載の蓄電装置用負極。 - 前記Sn化合物は、SnO2、Sn2P2O7、SnPBO6、またはSnPO4Clのいずれか一である、
請求項1に記載の蓄電装置用負極。 - 前記キャリアイオン吸蔵合金は、Sn2M(MはFe、Co、Mn、V、またはTi)で表される合金のいずれか一である、
請求項1に記載の蓄電装置用負極。 - 前記金属化合物は、CoO、NiO、MnO2、またはFePO4のいずれか一である、
請求項1に記載の蓄電装置用負極。 - 前記キャリアイオン吸蔵金属又は前記キャリアイオン吸蔵合金のキャリアイオンは、LiイオンまたはNaイオンのいずれか一である、
請求項1乃至請求項5のいずれか一に記載の蓄電装置用負極。 - 前記アモルファスPAHsは、球状である、
請求項1乃至請求項6のいずれか一に記載の蓄電装置用負極。 - 前記キャリアイオン吸蔵金属、前記金属化合物、前記Si、前記Sb、または前記SiO2のいずれか一以上が、前記アモルファスPAHsの外表面に付着している、
請求項1乃至請求項7に記載の蓄電装置用負極。 - 前記アモルファスPAHsに対して、前記キャリアイオン吸蔵金属、前記金属化合物、前記Si、前記Sb、または前記SiO2のいずれか一以上が、1重量%以上50重量%以下の範囲で含有されている、
請求項1乃至請求項8のいずれか一に記載の蓄電装置用負極。 - 請求項1乃至請求項9に記載の負極と、
正極と、
電解質を含む電解液と、
を有することを特徴とする蓄電装置。
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JP2017063045A (ja) * | 2011-08-31 | 2017-03-30 | 株式会社半導体エネルギー研究所 | 蓄電装置用負極 |
US10614967B2 (en) | 2011-08-31 | 2020-04-07 | Semiconductor Energy Laboratory Co., Ltd. | Negative electrode of power storage device and power storage device |
US10998141B2 (en) | 2011-08-31 | 2021-05-04 | Semiconductor Energy Laboratory Co., Ltd. | Negative electrode of power storage device and power storage device |
JP2015230915A (ja) * | 2014-06-03 | 2015-12-21 | 旭化成株式会社 | 非水系リチウム型蓄電素子用負極、及びそれを用いた非水系リチウム型蓄電素子 |
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CN116581386A (zh) * | 2023-06-28 | 2023-08-11 | 北京民利储能技术有限公司 | 锂金属电池用添加剂、电解液及其锂金属电池 |
CN116581386B (zh) * | 2023-06-28 | 2024-05-28 | 北京民利储能技术有限公司 | 锂金属电池用添加剂、电解液及其锂金属电池 |
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US20160064154A1 (en) | 2016-03-03 |
US20200234893A1 (en) | 2020-07-23 |
US20130224581A1 (en) | 2013-08-29 |
US10614967B2 (en) | 2020-04-07 |
JP2019016604A (ja) | 2019-01-31 |
JP6047342B2 (ja) | 2016-12-21 |
US10998141B2 (en) | 2021-05-04 |
JP2020113540A (ja) | 2020-07-27 |
JP2017063045A (ja) | 2017-03-30 |
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