JP2008535154A - 硫化リチウム電池およびこれを製造する方法 - Google Patents
硫化リチウム電池およびこれを製造する方法 Download PDFInfo
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Abstract
Description
i) カソードを提供するステップと;
ii) 硫化リチウムおよび硫黄の混合物を、少なくとも一種類の溶媒中に少なくとも一種類のリチウム塩を含む非プロトン性電解質に提供するステップと;
iii) 前記混合物のコーティングを前記カソードに適用するステップと;
iv) 浸透性セパレータまたは膜を前記コーティングされたカソードに適用するステップと;
v) 少なくとも一種類の溶媒中に少なくとも一種類のリチウム塩を含む非プロトン性電解質のコーティングを浸透性セパレータまたは膜に適用するステップと;
vi) 前記非プロトン性電解質のコーティングの上にアノードを提供するステップであって、前記アノードは導電性の材料または可逆的にリチウムイオンを挿入することができる材料から作られるステップと;
vii) 前記アノードおよびカソードに端子接続を提供するステップと、前記方法のステップによって得られる構造体を密閉するステップと
を含む方法が提供される。
初期の電解質における硫黄の総含有量(質量%)25.8±0.1
硫黄と硫化リチウムの混合物との反応後の電解質における硫黄の総含有量(%)26.9±0.1
硫黄と硫化リチウムの混合物との反応後の電解質における硫化物硫黄の含有量(%)0.18±0.015
分析結果により、電解質における多硫化リチウムの濃度と同様に、電解質における硫化リチウムと硫黄の反応後の多硫化リチウムの組成の計算が可能となった。
多硫化物組成: Li2S6,1
濃度: 0.18%
初期の電解質における硫黄の総含有量(質量%)25.8±0.1
硫黄と硫化リチウムの混合物との反応後の電解質における硫黄の総含有量(%)31.8±0.1
硫黄と硫化リチウムの混合物との反応後の電解質における硫化物硫黄の含有量(%)0.96±0.05
多硫化物組成:Li2S6,25
濃度: 0.96%
初期の電解質における硫黄の総含有量(質量%)25.8±0.1
硫黄と硫化リチウムの混合物との反応後の電解質における硫黄の総含有量(%)29.9
硫黄と硫化リチウムの混合物との反応後の電解質における硫化物硫黄の含有量(%)0.7
多硫化物組成:Li2S5,86
濃度: 0.7%
Claims (19)
- 導電性材料で作られている正極(カソード)と、硫化リチウムと硫黄との混合物と、浸透性セパレータまたは膜と、導電性材料またはリチウムイオンを可逆的に挿入できる材料から作られている負極(アノード)とを含み、少なくとも一種類の溶媒中に少なくとも一種類のリチウム塩を含む非プロトン性電解質が電極間に提供される電気エネルギーの化学的供給源。
- 前記正極が多孔性である、請求項1に記載の電気エネルギーの化学的供給源。
- 前記正極が非多孔性である、請求項1に記載の電気エネルギーの化学的供給源。
- 前記正極が処理された表面、または粗い表面を有する、請求項1、2または3に記載の電気エネルギーの化学的供給源。
- 前記正極が滑らかな表面を有する、請求項1、2または3に記載の電気エネルギーの化学的供給源。
- 前記正極がカーボンもしくはグラファイト、または硫化物溶媒に耐食性のある金属材料、または半導体材料で作られている、請求項1〜5のいずれかに記載の電気エネルギーの化学的供給源。
- 前記浸透性セパレータまたは膜が多孔性の、織布または不織布で作られている、請求項1〜6のいずれかに記載の電気エネルギーの化学的供給源。
- 前記硫化リチウムと硫黄との混合物が懸濁液、コロイド、半固体の乳濁液、軟膏、または粉末として提供される、請求項1〜7のいずれかに記載の電気エネルギーの化学的供給源。
- 前記混合物が5〜50%の固形成分含有量を有する、請求項8に記載の電気エネルギーの化学的供給源。
- 前記混合物中の硫化リチウム含有量が硫黄含有量の10〜99重量%である、請求項8または9に記載の電気エネルギーの化学的供給源。
- 前記非プロトン性電解質が、ジオキソラン、テトラヒドロフラン、ジメトキシエタン、ジグリム、トリグリム、テトラグリム、炭酸ジアルキル、スルホラン、およびブチロラクトンから成る群より選択された一種類または複数種類の溶媒中に、トリフルオロメタンスルホン酸リチウム、過塩素酸リチウム、リチウムトリフルオロメタンスルホンイミド、六フッ化リン酸リチウム、六フッ化ヒ酸リチウム、テトラクロロアルミン酸リチウム、テトラアルキルアンモニウム塩リチウム、塩化リチウム、臭化リチウム、およびヨウ化リチウムのうちの一種類または複数種類の溶液を含む、請求項1〜10のいずれかに記載の電気エネルギーの化学的供給源。
- 電気エネルギーの化学的供給源を製造する方法であって、
i)カソードを提供するステップと、
ii)硫化リチウムと硫黄との混合物を、少なくとも一種類の溶媒中に少なくとも一種類のリチウム塩を含む非プロトン性電解質中に提供するステップと、
iii)前記混合物のコーティングを前記カソードに適用するステップと、
iv)浸透性セパレータまたは膜を前記コーティングされたカソードに適用するステップと、
v)少なくとも一種類の溶媒中に少なくとも一種類のリチウム塩を含む非プロトン性電解質のコーティングを前記浸透性セパレータまたは膜に適用するステップと、
vi)前記非プロトン性電解質のコーティングにアノードを提供するステップであって、前記アノードが導電性の材料または可逆的にリチウムイオンを挿入することができる材料から作られているステップと、
vii)前記アノードおよびカソードに端子接続を提供するステップと、前記方法のステップによって得られる構造体を密閉する供給源と
を含む方法。 - 前記カソードが多孔性である、請求項12に記載の方法。
- 前記カソードが滑らかな表面を有している、請求項12に記載の方法。
- ステップv)において、前記非プロトン性電解質が硫化リチウムと硫黄との混合物を含有する、請求項12〜14のいずれかに記載の方法。
- ステップv)において、前記非プロトン性電解質が硫化リチウムと硫黄との混合物を含有しない、請求項12〜14のいずれかに記載の方法。
- 前記構造体が密閉される前に、折り畳まれており、または成形されている、請求項12〜16のいずれかに記載の方法。
- 実質的に、以上に記載したような電気エネルギーの化学的供給源。
- 電気エネルギーの化学的供給源を実質的に以上に記載したように製造する方法。
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Application Number | Priority Date | Filing Date | Title |
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GB0505790A GB2424511B (en) | 2005-03-22 | 2005-03-22 | Lithium sulphide battery and method of producing the same |
US66459205P | 2005-03-24 | 2005-03-24 | |
PCT/GB2006/001020 WO2006100464A2 (en) | 2005-03-22 | 2006-03-21 | Lithium sulphide battery and method of producing the same |
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JP2013249611A Division JP2014089965A (ja) | 2005-03-22 | 2013-12-02 | 硫化リチウム電池およびこれを製造する方法 |
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US (3) | US7695861B2 (ja) |
EP (1) | EP1867000B1 (ja) |
JP (3) | JP2008535154A (ja) |
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JP2010511995A (ja) * | 2006-12-04 | 2010-04-15 | サイオン パワー コーポレイション | リチウム電池内における電解質の分離 |
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JP2014238943A (ja) * | 2013-06-06 | 2014-12-18 | 株式会社豊田自動織機 | リチウムイオン二次電池用集電体、リチウムイオン二次電池用電極及びリチウムイオン二次電池 |
Also Published As
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US20120189921A1 (en) | 2012-07-26 |
WO2006100464A2 (en) | 2006-09-28 |
RU2402842C2 (ru) | 2010-10-27 |
JP2014089964A (ja) | 2014-05-15 |
US8361652B2 (en) | 2013-01-29 |
EP1867000B1 (en) | 2011-10-05 |
KR20070113208A (ko) | 2007-11-28 |
EP1867000A2 (en) | 2007-12-19 |
WO2006100464A3 (en) | 2006-12-21 |
US20100196757A1 (en) | 2010-08-05 |
RU2007139012A (ru) | 2009-04-27 |
KR101301115B1 (ko) | 2013-09-03 |
US20060234126A1 (en) | 2006-10-19 |
JP2014089965A (ja) | 2014-05-15 |
US7695861B2 (en) | 2010-04-13 |
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