JP2013535075A - 特定のバイポーラ構造を有するリチウム電気化学アキュムレータ - Google Patents
特定のバイポーラ構造を有するリチウム電気化学アキュムレータ Download PDFInfo
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Abstract
【選択図】図1
Description
*電極材料として金属ハイドライドとオキシ水酸化ニッケルを使用するNi−MHアキュムレータ。
*電極材料としてカドミウムとオキシ水酸化ニッケルを使用するNi−Cdアキュムレータ。
*電極材料として鉛と酸化鉛PbO2を使用する鉛酸アキュムレータ。
*電極材料として全体又は部分的にリチウム化された材料を従来通り使用するリチウムイオン・アキュムレータ。
−前記電流収集基板が、銅又は銅合金であり、負電極が、
*式MxOyの金属酸化物化合物であり、ここで、Mは、Ti、Cr、Mn、Fe、Co、Ni、Cu、Mo、W及びこれらの混合から選択された元素を表し、xとyは、カチオンの全電荷がアニオンの全電荷を打ち消し、その結果、化合物が電気的に中性になるように選択された正整数である金属酸化物化合物と、
*リチウム金属、又はリチウム金属を含む合金と、
*スズ金属と、
*これらの混合物とから選択された材料を含んでもよく、
−正電極は、
*単体硫黄と、
*硫化物化合物と、
これらの混合物とから選択された材料を含んでもよい。
*できる限りリチウム化された遷移金属酸化物と、
*できる限りリチウム化された遷移金属のモリブデン酸塩、ケイ酸塩、硫酸塩、ゲルマニウム酸塩及びニオブ酸塩と、
*遷移金属リン酸塩と、
*単体硫黄と、
*硫化物化合物と、
これらの混合物とから選択された材料を含んでもよい。
−一般式Li2Snの多硫化リチウムであって、nが2〜8の範囲の整数である多硫化リチウムと、
−式R2Snの有機多硫化物であって、例えば2〜6個の範囲の炭素原子を含むアルキル基などのRがアルキル基であるもの、又はnが2〜8の範囲の整数であるRがアリール基であるもの、
−式(CS2)nのポリ(二硫化炭素)型の有機硫黄化合物であって、nが2〜8の範囲の整数である有機硫黄化合物。
*式MxOyの金属酸化物化合物であって、ここで、Mは、Ti、Cr、Mn、Fe、Co、Ni、Cu、Mo、W及びこれらの混合物から選択された元素であり、xとyは、カチオンの全電荷がアニオンの全電荷を打ち消し、その結果、化合物が電気的に中性になるように選択された正整数である金属酸化物化合物と、
*炭素などの炭素材料と、
*リチウム金属、又はリチウム金属を含む合金と、
*スズ金属と、
*これらの混合物から選択された材料を含んでもよい。
−300Wh.kg-1を越えることもある極めて大きいエネルギー密度と、アキュムレータの構成電気化学セルの数に基づいて目的の用途に適合する全体アキュムレータ電圧と、を得ることができる。
−電極の構造により、過放電からの電気化学セルの固有の保護システムを有する。
*80質量%の単体硫黄
*10質量%のスーパーPカーボンブラック
*10重量%のポリビニリデンフルオライド(PVDF)
の正電極が以下の手順により調製される:
−単体硫黄とカーボンブラック粉末を別々に計量し、
−PVDFを含むN−メチルピロリドン(NMP)の溶液を調製し、
−機械的攪拌によって混合しながら前述の粉末を前記溶液に徐々に添加し、
−均一混合物を得た後で、マイクロメータードクターブレードによって、前記混合物を厚さ20μmの銅シートの一方の面に被覆して、厚さ100μmの層を得て、
−それにより付着された層を55℃の炉内で24時間乾燥させ、NMPを蒸発させ、
−その層を50℃で48時間乾燥させて、微量の残留水を全て除去し、それにより得られた層が正電極となり、この層は、15μmの厚さを有する。
−導電性銅基板5上に付着された単体硫黄を含む周辺正電極3と、周辺正電極3と向かい合い、導電性銅基板9の第1の面に付着されたリチウム金属を含む負電極7とを有し、前記負電極と前記正電極が、上に定義されたような電解質が含浸されたセパレータ11によって互いに分離された第1の電気化学セル1と、
−導電性銅基板17上に付着されたリチウム金属を含む周辺負電極15と、周辺負電極15と向かい合い、前記導電性銅基板9の第2の面に付着された単体硫黄を含む正電極19とを有し、前記第2の面が、前記第1の面と反対側にあり、前記負電極と前記正電極が、上に定義されたような電解質が含浸されたセパレータ21によって互いに離された第2の電気化学セル13とを有する電気化学リチウム・アキュムレータが得られる。
3 周辺正電極
5,17 導電性銅基板
7 負電極
9 導電性銅基板
11 セパレータ
13 第2の電気化学セル
15 周辺負電極
19 正電極
21 セパレータ
Claims (5)
- 電流収集基板によって互いに分離された少なくとも1個の第1の電気化学セルと少なくとも1個の第2の電気化学セルを含むリチウム電気化学アキュムレータであって、前記基板は、第1の面に、前記第1の電気化学セルの電極を支持し、前記第1の面と反対側の第2の面に、前記第2の電気化学セルの反対の極の電極を支持し、各セルが、電解質によって分離された正電極と負電極を有し、
−前記電流収集基板が、銅、又は銅合金であり、
−前記負電極は、
*式MxOyで表される金属酸化物化合物であって、Mは、Ti、Cr、Mn、Fe、Co、Ni、Cu、Mo、W及びこれらの混合物から選択された元素を表し、xとyは、カチオンの全電荷がアニオンの全電荷を打ち消して前記化合物が電気的に中性になるように選択された正整数である金属酸化物化合物と、
*リチウム金属、又はリチウム金属を含む合金と、
*スズ金属と、
*これらの混合物と、から選択された材料を含み、
−前記正電極が、
*単体硫黄と、
*硫化物化合物と、
これらの混合物とから選択され材料を含む、リチウム電気化学アキュムレータ。 - *前記正電極が、単体硫黄を含み、
*前記負電極が、リチウム金属、又はリチウム金属を含む合金を含む、請求項1に記載のアキュムレータ。 - 前記電解質が、リチウム塩を含む液体電解質である、請求項1又は2に記載のアキュムレータ。
- 前記リチウム塩が、LiPF6、LiClO4、LiBF4、LiAsF6、LiCF3SO3、LiN(CF3SO2)3、LiN(C2F5SO2)、リチウムビストリフルオロメチルスルフォニルイミドLiN[SO2CF3}2、及びこれらの混合物から選択された、請求項3に記載のアキュムレータ。
- 前記電解質が、炭酸塩類及び/又はエーテル類からの1つ又は複数の溶剤を含む、請求項3又は4に記載のアキュムレータ。
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FR1054818A FR2961636B1 (fr) | 2010-06-17 | 2010-06-17 | Accumulateur electrochimique au lithium a architecture bipolaire specifique |
PCT/EP2011/059973 WO2011157768A1 (fr) | 2010-06-17 | 2011-06-15 | Accumulateur electrochimique au lithium a architecture bipolaire specifique |
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FR3024801A1 (fr) | 2014-08-08 | 2016-02-12 | Commissariat Energie Atomique | Materiau d'electrode positive a base d'un materiau carbone specifique fonctionnalise par des composes organiques specifiques |
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TWI377726B (en) * | 2004-04-01 | 2012-11-21 | 3M Innovative Properties Co | Redox shuttle for overdischarge protection in rechargeable lithium-ion batteries |
JP5098150B2 (ja) * | 2004-12-07 | 2012-12-12 | 日産自動車株式会社 | バイポーラ電池およびその製造方法 |
US9017877B2 (en) * | 2007-05-24 | 2015-04-28 | Nissan Motor Co., Ltd. | Current collector for nonaqueous solvent secondary battery, and electrode and battery, which use the current collector |
FR2925768B1 (fr) | 2007-12-21 | 2012-06-08 | Commissariat Energie Atomique | Batterie multipolaire a etancheite interplaque amelioree |
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2010
- 2010-06-17 FR FR1054818A patent/FR2961636B1/fr not_active Expired - Fee Related
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2011
- 2011-06-15 US US13/704,643 patent/US9331359B2/en not_active Expired - Fee Related
- 2011-06-15 CN CN2011800299376A patent/CN102947974A/zh active Pending
- 2011-06-15 WO PCT/EP2011/059973 patent/WO2011157768A1/fr active Application Filing
- 2011-06-15 KR KR1020137000879A patent/KR20130088126A/ko not_active Application Discontinuation
- 2011-06-15 JP JP2013514710A patent/JP5856611B2/ja not_active Expired - Fee Related
- 2011-06-15 ES ES11728218.6T patent/ES2479717T3/es active Active
- 2011-06-15 EP EP11728218.6A patent/EP2583333B1/fr active Active
Patent Citations (2)
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JP2007149400A (ja) * | 2005-11-24 | 2007-06-14 | Nissan Motor Co Ltd | 電池構造体、組電池、およびこれらを搭載した車両 |
JP2009266467A (ja) * | 2008-04-23 | 2009-11-12 | Nissan Motor Co Ltd | 双極型二次電池 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2019536233A (ja) * | 2016-12-22 | 2019-12-12 | 株式会社村田製作所 | バイポーラ型の二次電池、ならびにそれを含む電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
Also Published As
Publication number | Publication date |
---|---|
CN102947974A (zh) | 2013-02-27 |
ES2479717T3 (es) | 2014-07-24 |
KR20130088126A (ko) | 2013-08-07 |
JP5856611B2 (ja) | 2016-02-10 |
FR2961636A1 (fr) | 2011-12-23 |
WO2011157768A1 (fr) | 2011-12-22 |
EP2583333A1 (fr) | 2013-04-24 |
EP2583333B1 (fr) | 2014-04-09 |
US9331359B2 (en) | 2016-05-03 |
FR2961636B1 (fr) | 2013-10-18 |
US20130101903A1 (en) | 2013-04-25 |
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