JP2014089948A - 蓄電装置 - Google Patents
蓄電装置 Download PDFInfo
- Publication number
- JP2014089948A JP2014089948A JP2013200719A JP2013200719A JP2014089948A JP 2014089948 A JP2014089948 A JP 2014089948A JP 2013200719 A JP2013200719 A JP 2013200719A JP 2013200719 A JP2013200719 A JP 2013200719A JP 2014089948 A JP2014089948 A JP 2014089948A
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- storage device
- power storage
- negative electrode
- active material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- -1 heterocyclic cation Chemical class 0.000 claims description 75
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- 239000002608 ionic liquid Substances 0.000 claims description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
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- LGRLWUINFJPLSH-UHFFFAOYSA-N methanide Chemical compound [CH3-] LGRLWUINFJPLSH-UHFFFAOYSA-N 0.000 claims description 19
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- 239000002904 solvent Substances 0.000 claims description 10
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- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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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
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
- H01G11/62—Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/035—Liquid electrolytes, e.g. impregnating materials
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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
- H01G11/66—Current collectors
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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
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
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Abstract
【解決手段】電解液の溶媒にイオン液体を用いている蓄電装置において、外装体を、導電性を有する部材で覆い、正極集電体と外装体が直接触れないようにする。このようにすることで、異種金属の接触により正極集電体の溶出を抑制し、溶出した正極集電体の金属が負極に析出し、析出した金属が正極と接触して起こる内部短絡を防ぐことができる。
【選択図】図1
Description
本発明の一態様に係る蓄電装置の構造およびその製造方法について、図面を用いて説明する。以下、蓄電装置の一例として、リチウムイオン二次電池の場合について説明する。
本発明の一態様に係る他の蓄電装置の構造について、図面を用いてして説明する。以下、蓄電装置の一例として、リチウムイオン二次電池の場合について説明する。
本実施の形態では、先の実施の形態で説明した蓄電装置とは構成が異なる蓄電装置について説明する。具体的にはリチウムイオンキャパシタおよび電気二重層キャパシタ(EDLC)を例に説明する。
本発明の一態様である蓄電装置は、電力により駆動する様々な電気機器の電源として用いることができる。
次に、本発明の一態様である蓄電装置を備えた電気機器の一例として、携帯情報端末について説明する。
さらに、電気機器の一例である移動体の例について、図7を用いて説明する。
101 正極缶
102 負極缶
103 ガスケット
104 正極
105 正極集電体
106 正極活物質層
107 負極
108 負極集電体
109 負極活物質層
110 セパレータ
111 保護部材
153 正極活物質
154 グラフェン
163 負極活物質
164 導電助剤
165 グラフェン
300 蓄電装置
301 正極キャップ
302 電池缶
303 正極端子
304 正極
305 セパレータ
306 負極
307 負極端子
308 絶縁板
309 絶縁板
310 ガスケット
311 保護部材
312 安全弁機構
313 PTC素子
650 携帯情報端末
651 筐体
652 表示部
652a 表示部
652b 表示部
653 電源スイッチ
654 光センサ
655 カメラ用レンズ
656 スピーカー
657 マイクロフォン
658 電源
659 マーカー
660 太陽電池
670 充放電制御回路
671 バッテリー
672 DCDCコンバータ
673 コンバータ
680 電気自動車
681 バッテリー
682 制御回路
683 駆動装置
684 処理装置
5000 表示装置
5001 筐体
5002 表示部
5003 スピーカー部
5004 蓄電装置
5100 照明装置
5101 筐体
5102 光源
5103 蓄電装置
5104 天井
5105 側壁
5106 床
5107 窓
5200 室内機
5201 筐体
5202 送風口
5203 蓄電装置
5204 室外機
5300 電気冷凍冷蔵庫
5301 筐体
5302 冷蔵室用扉
5303 冷凍室用扉
5304 蓄電装置
Claims (6)
- 正極と、電解液を介して前記正極と対向する負極とが、外装体内に収容された蓄電装置であって、
前記電解液は、溶媒としてイオン液体を含み、
前記正極に含まれる正極集電体と前記外装体との間に、導電性を有する保護部材が接して設けられていることを特徴とする蓄電装置。 - 前記保護部材は、アルミニウムを含むことを特徴とする請求項1に記載の蓄電装置。
- 前記外装体は、鉄またはニッケルを含むことを特徴とする請求項1または請求項2に記載の蓄電装置。
- 前記正極集電体は、アルミニウムを含むことを特徴とする請求項1乃至請求項3のいずれか一に記載の蓄電装置。
- 前記イオン液体は、複素環カチオン、芳香族カチオン、4級アンモニウムカチオン、4級スルホニウムカチオン、4級ホスホニウムカチオン、3級スルホニウムカチオン、非環式4級アンモニウムカチオンまたは非環式4級ホスホニウムカチオンのいずれか一を含むことを特徴とする請求項1乃至請求項4のいずれか一に記載の蓄電装置。
- 前記イオン液体は、1価のアミド系アニオン、1価のメチド系アニオン、フルオロスルホン酸アニオン(SO3F−)、パーフルオロアルキルスルホン酸アニオン、テトラフルオロボレート(BF4 −)、パーフルオロアルキルボレート、またはヘキサフルオロホスフェート(PF6 −)、パーフルオロアルキルホスフェートのいずれか一を含むことを特徴とする請求項1乃至請求項5のいずれか一に記載の蓄電装置。
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JP2018032644A (ja) * | 2012-10-05 | 2018-03-01 | 株式会社半導体エネルギー研究所 | 蓄電装置 |
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DE102013114006A1 (de) * | 2013-12-13 | 2015-06-18 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Leiterplatte |
US10147556B2 (en) | 2014-03-31 | 2018-12-04 | Semiconductor Energy Laboratory Co., Ltd. | Power storage device and electronic device |
WO2016055908A1 (ja) | 2014-10-10 | 2016-04-14 | 株式会社半導体エネルギー研究所 | 蓄電装置および電子機器 |
CN104681302A (zh) * | 2014-12-12 | 2015-06-03 | 宁波南车新能源科技有限公司 | 一种宽温高电压型超级电容器有机电解液及其制备方法 |
TWI598538B (zh) | 2015-07-31 | 2017-09-11 | 宏齊科技股份有限公司 | 無需使用預儲電源的可攜式發光裝置及其發光二極體封裝結構 |
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WO2014054664A1 (en) | 2014-04-10 |
DE112013004909T5 (de) | 2015-06-18 |
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JP6496476B2 (ja) | 2019-04-03 |
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US20140099529A1 (en) | 2014-04-10 |
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