JP2016532279A - 再充電可能な電気化学セル - Google Patents
再充電可能な電気化学セル Download PDFInfo
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- JP2016532279A JP2016532279A JP2016544724A JP2016544724A JP2016532279A JP 2016532279 A JP2016532279 A JP 2016532279A JP 2016544724 A JP2016544724 A JP 2016544724A JP 2016544724 A JP2016544724 A JP 2016544724A JP 2016532279 A JP2016532279 A JP 2016532279A
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- binder
- battery cell
- electrode
- cell according
- electrodes
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- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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Abstract
Description
M’は、元素Ti,V,Cr,Mn,Fe,Co,Ni,CuおよびZnから成るグループから選択される少なくとも1つの金属、
M”は、周期律表のグループ2,3,4,5,6,8,9,10,11,12,13,14,15および16の金属から成るグループから選択される少なくとも1つの金属、
Xは、元素P,SiおよびSから成るグループから選択され、
xは、0よりも大きく、
yは、0よりも大きく、
zは、0よりも大きいか、0に等しく、
aは、0よりも大きく、
bは、0よりも大きいか、0に等しい。
共役カルボン酸のモノマー構造単位又は前記共役カルボン酸のアルカリ塩、アルカリ土類塩又はアンモニウム塩、又は、これらの組み合わせから構築されるポリマーからなるバインダA、
モノマースチレン又はブタジエン構造単位をベースとするポリマーからなるバインダB、
あるいはバインダAとバインダBとの混合物、から成るグループから選択されるバインダを含む。
電極中のバインダ含有率は、低すぎると、ほとんどバインダを含有しない電極は前記電流コレクタに対する粘着力が低すぎるものなることから、製造された電極の取り扱いが困難なものとなる。作動が不適切で環境条件が良好でなければ、活性物質の粒子の放出が生じるかもしれない。これによって、製品の使用価値が低下し、作業環境が汚染され、従業員が微小粒子の制御されない摂取を通じてリスクに晒されることになる可能性がある。
共役カルボン酸、又は、この共役カルボン酸の、アルカリ塩又はアルカリ土類塩又はアンモニウム塩、又はこれらの組み合わせ、のモノマー構造単位でできているポリマーからなるバインダA、
又は、モノマースチレン構造単位又はブタジエン構造単位をベースとするポリマから成るバインダB、
又は、バインダAとBとの混合物であって、これらバインダAおよびBとは異なる別のバインダを更に含有するもの、からなるグループから選択されるバインダを含有する。
充填が十分な電極を得るためには、活性物質等の電極の他の部分との混合が均質であること。
94重量%のリチウムリン酸鉄(陽電極の活性物質)
2重量%のカーボンブラック(導電性向上剤)
4重量%のバインダA
96重量%のグラファイト(陰電極の活性物質)
4重量%のバインダA
表1:例2に使用されたバインダの完全な記載。
表2:異なるバインダを有する電極の表面層の形成によって使用されたセル容量。
A: WO2011/098233A2に従って温度処理された電極。
B: WO2011/098233A2に従ってコーティングされた電極。
C: 4%Li−PAAを含む電極。
表3:処理の異なる電極の表面層の形成による不可逆的容量損失。
表4:異なるTHVバインダ含有量の電極の表面層の形成による不可逆的容量損失
94重量%のリン酸鉄リチウム
2重量%のカーボンブラック(導電性向上剤)
バインダとしての4重量%のTHV
フルセルBは、WO2011/098233A2に従った温度処理によって処理された、バインダを含まない陰電極を有していた。
96重量%のグラファイト(陰電極の活性物質)
4重量%のバインダA
Claims (18)
- ハウジングと、陽電極と、陰電極と、SO2とセルの活性金属の導電性塩とを含む電解質とを備える再充電可能な電気化学バッテリセルであって、
前記両電極の少なくとも一方は、以下の、
共役カルボン酸のモノマー構造単位又は前記共役カルボン酸のアルカリ塩、アルカリ土類塩又はアンモニウム塩、又はこれらの組み合わせから構築されるポリマーからなるバインダA、
モノマースチレン又はブタジエン構造単位をベースとするポリマーからなるバインダB、
あるいは前記バインダAと前記バインダBの混合物、から成るグループから選択されるバインダを含む、バッテリセル。 - 前記バインダを含む前記両電極は前記セルの陰電極であることを特徴とする請求項1に記載のバッテリセル。
- 前記両電極の少なくとも一方は、前記バインダA又は前記バインダB、或いは前記バインダAと前記バインダBの混合物を含み、前記バインダ物質の濃度は、好ましくは10%以下、より好ましくは8%以下、更に好ましくは6%以下、そして特に好ましくは4%以下であることを特徴とする請求項1又は2に記載のバッテリセル。
- 前記両電極の少なくとも一方は、前記バインダA又は前記バインダBとは異なる追加のバインダを含むことを特徴とする請求項1〜3のいずれか1項に記載のバッテリセル。
- 前記両電極の少なくとも一方は、好ましくは、金属発泡材形態である、三次元多孔性金属構造を備える電流コレクタエレメントを有することを特徴とする請求項1〜4のいずれか1項に記載のバッテリセル。
- 前記多孔性金属構造は、実質的に前記電極の全厚みに渡って延出していることを特徴とする請求項5に記載のバッテリセル。
- 前記活性金属は、前記陽金属構造において実質的に均質に分布していることを特徴とする請求項5又は6に記載のバッテリセル。
- 前記陽電極は、少なくとも0.25mm、好ましくは少なくとも0.3mm、より好ましくは少なくとも0.4mm、より好ましくは少なくとも0.5mm、より好ましくは少なくとも0.6mm、そして特に好ましくは少なくとも1.0mmの厚みを有することを特徴とする請求項1〜7のいずれか1項に記載のバッテリセル。
- 前記陰電極は、少なくとも0.2mm、好ましくは少なくとも0.3mm、より好ましくは少なくとも0.4mm、より好ましくは少なくとも0.5mm、そして特に好ましくは少なくとも0.6mmの厚みを有することを特徴とする請求項1〜8のいずれか1項に記載のバッテリセル。
- 前記活性金属は、アルカリ金属、アルカリ土類金属、周期律表のサブグループ12の金属、およびアルミニウムから成るグループから選択されることを特徴とする請求項1〜9のいずれか1項に記載のバッテリセル。
- 前記活性金属は、リチウム、ナトリウム、カルシウム、亜鉛、又はアルミニウムであることを特徴とする請求項10に記載のバッテリセル。
- 前記陰電極は挿入電極であることを特徴とする請求項1〜11のいずれか1項に記載のバッテリセル。
- 前記陰電極はカーボンを含有することを特徴とする請求項12に記載のバッテリセル。
- 前記陽電極は、金属酸化物、金属ハロゲン化物、金属リン酸塩を含み、前記金属は、好ましくは、22−28の原子番号を有する遷移金属、特に、コバルト、ニッケル、マンガン又は鉄、であることを特徴とする請求項1〜13のいずれか1項に記載のバッテリセル。
- 前記陽電極は層間化合物を含有することを特徴とする請求項14に記載のバッテリセル。
- 前記陽電極は、リン酸鉄リチウムを含有することを特徴とする請求項15に記載のバッテリセル。
- 前記電解質はSO2ベースであり、前記電解質は、好ましくは導電性塩1モル当たり少なくとも1.5モルのSO2、好ましくは少なくとも2モルのSO2、より好ましくは少なくとも3モルのSO2、より好ましくは少なくとも4モルのSO2、より好ましくは少なくとも4.5モルのSO2、より好ましくは少なくとも5モルのSO2、そして特に好ましくは、導電性塩1モル当たり少なくとも6モルのSO2を含有していることを特徴とする請求項1〜16のいずれか1項に記載のバッテリセル。
- 前記電解質は、前記導電性塩として、前記活性金属の、ハロゲン化物、シュウ酸塩、ホウ酸塩、リン酸塩、ヒ酸塩、又は、没食子酸塩、好ましくは、テトラハロゲノアルミネート、特に好ましくは、テトラクロロアルミネート、を含有することを特徴とする請求項1〜17のいずれか1項に記載のバッテリセル。
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JP2020508555A (ja) * | 2017-02-23 | 2020-03-19 | インノリス・アセッツ・アー・ゲーInnolith Assets Ag | セパレータを備える充電式バッテリーセル |
JP2022522302A (ja) * | 2019-02-28 | 2022-04-15 | インノリス・テクノロジー・アー・ゲー | 活性電極減極剤をもつ再充電可能なバッテリセル |
JP7483736B2 (ja) | 2019-02-28 | 2024-05-15 | インノリス・テクノロジー・アー・ゲー | 活性電極減極剤をもつ再充電可能なバッテリセル |
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EP3050142A2 (de) | 2016-08-03 |
ES2699301T3 (es) | 2019-02-08 |
US10868301B2 (en) | 2020-12-15 |
EP3435448B1 (de) | 2020-01-01 |
WO2015043573A8 (de) | 2015-11-26 |
RU2016116312A (ru) | 2018-11-29 |
DE112014004405A5 (de) | 2016-07-14 |
HUE048308T2 (hu) | 2020-07-28 |
RU2686477C9 (ru) | 2019-08-19 |
DE102013016560A1 (de) | 2015-04-02 |
RU2016116312A3 (ja) | 2018-11-29 |
US20180131000A1 (en) | 2018-05-10 |
CN105723546B (zh) | 2019-08-13 |
PL3435448T3 (pl) | 2020-06-15 |
ES2774252T3 (es) | 2020-07-20 |
JP2019216125A (ja) | 2019-12-19 |
WO2015043573A2 (de) | 2015-04-02 |
US20210104739A1 (en) | 2021-04-08 |
CN105723546A (zh) | 2016-06-29 |
EP3050142B1 (de) | 2018-09-05 |
US20150093632A1 (en) | 2015-04-02 |
PL3050142T3 (pl) | 2019-04-30 |
WO2015043573A3 (de) | 2015-06-04 |
US9761872B2 (en) | 2017-09-12 |
RU2686477C2 (ru) | 2019-04-29 |
HUE042028T2 (hu) | 2019-06-28 |
US12074317B2 (en) | 2024-08-27 |
JP6971575B2 (ja) | 2021-11-24 |
EP3435448A1 (de) | 2019-01-30 |
EP3050142B8 (de) | 2018-11-21 |
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