JP2017523564A - 再充電中のリチウム/一フッ化炭素電池を安定化させる方法 - Google Patents
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Abstract
Description
例3において、例1または2のいずれかの主題は任意選択で、塩基がKOHを含んでもよいことを含み得る。
例5において、例4の主題は任意選択で、高分子有機塩基が、H2N−(CH2)n−NH2、またはH2N−[(CH2)n−NH−(CH2)n]m−NH2を含むアミンを含むことを含み得る。
例7において、例6の主題は任意選択で、高分子有機塩基がポリ−4−ビニルピリジンまたはポリ−1−ビニルイミダゾールを含むことを含み得る。
例9において、例8の主題は任意選択で、陰イオン塩がLi2SiO3、Li2B4O7、Li2CO3、またはLi3PO4を含むことを含み得る。
例11において、例10の主題は任意選択で、金属酸化物がLi2O又はAl2O3を含むことを含み得る。
例13において、例1〜12のいずれかの主題は任意選択で、CFx材料を処理する工程が、カソード製造プロセス中に塩基とカソード材料とを混合することを含むことを含み得る。
例15において、方法は:カソードを形成する中和プロセス中にCFx材料を塩基で処理する工程と;処理されたCFx材料をカソード処理プロセス中に塩基でさらに処理する工程であって、このプロセス中に、処理されたCFx材料に添加剤が添加されてカソード粉末が形成される工程と;前記カソード粉末をカソードに組み立てる工程と;前記カソード、リチウムアノード、及び電解質をハウジングに組み付けることにより電池セルを形成する工程とを含む。
詳細な説明
図1は、一実施形態による電池100の概略断面図を示す。電池100は、例えば、植え込み型医療機器において、または他の用途に使用することができる。この例では、電池は、例えば金属で形成することができるハウジング110を含む。ハウジング110内には、一連のアノード112,114,116およびカソード113,115が交互に存在する。隣接するアノードおよびカソードは、それぞれ、例えば微多孔質ポリプロピレンまたはポリエチレン(または両者の組み合わせ)などのセパレータ117によって分離される。アノード112,114,116は互いに接続され、かつ端子122に接続されている。カソード113,115は互いに接続され、かつ端子124に接続されている。端子122,124の一方または両方はハウジング110から絶縁されてもよい。ハウジングは、ジメトキシエタン(DME)などの電解質溶媒で満たされる。
HF+LiOH→LiF+H2O
示されているように、酸性HFからのプロトンは塩基LiOH中の水酸化基と結合して塩LiFおよび水を形成する。
別の代替法は、不溶性の高分子有機塩基を使用して、存在するかまたは形成された酸性種を中和することである。高分子有機塩基は、例えば、カソード混合物に含めることができる。その結果は、既に固体であり、孔を塞ぐようには沈着しないポリマー塩である。高分子有機塩基の例としては、限定するものではないが、H2N−(CH2)n−NH2やH2N−[(CH2)n−NH−(CH2)n]m−NH2等のアミン、ポリ−4−ビニルピリジン等のピリジン、ポリ−1−ビニルイミダゾール等のイミダゾール、および、比較的高い酸解離定数pKaを有する、プロトン塩基または緩衝剤として機能する同様の化合物が挙げられる。ポリマーは、例えば、一本鎖でも、直鎖または分枝でも、架橋していても、またはコポリマーであってもよい。
Claims (15)
- CFxカソードの形成中にCFx材料を塩基で処理する工程;および
処理されたCFx材料をカソード電極に組み立て、前記カソード電極をリチウムアノード電極及び電解質と共にセルに組み立てる工程
を含む方法。 - 前記塩基がLiOHを含む、請求項1に記載の方法。
- 前記塩基がKOHを含む、請求項1または2に記載の方法。
- 前記塩基が高分子有機塩基を含む、請求項1〜3のいずれか一項に記載の方法。
- 前記高分子有機塩基が、H2N−(CH2)n−NH2、またはH2N−[(CH2)n−NH−(CH2)n]m−NH2を含むアミンを含む、請求項4に記載の方法。
- 前記高分子有機塩基がピリジンまたはイミダゾールを含む、請求項4に記載の方法。
- 前記高分子有機塩基がポリ−4−ビニルピリジンまたはポリ−1−ビニルイミダゾールを含む、請求項6に記載の方法。
- 前記塩基が陰イオン塩を含む、請求項1〜7のいずれか一項に記載の方法。
- 前記陰イオン塩がLi2SiO3、Li2B4O7、Li2CO3、またはLi3PO4を含む、請求項8に記載の方法。
- 前記塩基が金属酸化物を含む、請求項1〜9のいずれか一項に記載の方法。
- 前記金属酸化物がLi2O又はAl2O3を含む、請求項10に記載の方法。
- 前記CFx材料を処理する工程が、中和プロセス中に前記塩基と前記CFx材料とを混合することを含む、請求項1〜11のいずれか一項に記載の方法。
- 前記CFx材料を処理する工程が、カソード製造プロセス中に前記塩基とカソード材料とを混合することを含む、請求項1〜12のいずれか一項に記載の方法。
- 中和プロセスおよびカソード製造プロセスの両方の間に、前記CFx材料を処理する工程を実施することを含む、請求項1〜13のいずれか一項に記載の方法。
- カソードを形成する中和プロセス中にCFx材料を塩基で処理する工程と;
処理されたCFx材料をカソード処理プロセス中に塩基でさらに処理する工程であって、このプロセス中に、処理されたCFx材料に添加剤が添加されてカソード粉末が形成される工程と;
前記カソード粉末をカソードに組み立てる工程と;
前記カソード、リチウムアノード、及び電解質をハウジングに組み付けることにより電池セルを形成する工程と
を含む、方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462021814P | 2014-07-08 | 2014-07-08 | |
| US62/021,814 | 2014-07-08 | ||
| PCT/US2015/038791 WO2016007349A1 (en) | 2014-07-08 | 2015-07-01 | Method to stabilize lithium / carbon monofluoride battery during storage |
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| Publication Number | Publication Date |
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| JP2017523564A true JP2017523564A (ja) | 2017-08-17 |
| JP6454740B2 JP6454740B2 (ja) | 2019-01-16 |
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| Country | Link |
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| US (1) | US10396359B2 (ja) |
| EP (1) | EP3167501B1 (ja) |
| JP (1) | JP6454740B2 (ja) |
| CN (1) | CN106663806B (ja) |
| AU (1) | AU2015288159B2 (ja) |
| WO (1) | WO2016007349A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10396359B2 (en) | 2014-07-08 | 2019-08-27 | Cardiac Pacemakers, Inc. | Method to stabilize lithium / carbon monofluoride battery during storage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11127938B2 (en) | 2018-02-06 | 2021-09-21 | Pacesetter, Inc. | Electrodes for batteries and methods for making same |
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- 2015-07-01 US US14/789,373 patent/US10396359B2/en active Active
- 2015-07-01 AU AU2015288159A patent/AU2015288159B2/en not_active Ceased
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- 2015-07-01 JP JP2016574433A patent/JP6454740B2/ja active Active
- 2015-07-01 EP EP15744762.4A patent/EP3167501B1/en active Active
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| Publication number | Publication date |
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| CN106663806A (zh) | 2017-05-10 |
| CN106663806B (zh) | 2019-11-26 |
| WO2016007349A1 (en) | 2016-01-14 |
| JP6454740B2 (ja) | 2019-01-16 |
| AU2015288159A1 (en) | 2017-02-16 |
| EP3167501A1 (en) | 2017-05-17 |
| AU2015288159B2 (en) | 2018-09-27 |
| US20160013489A1 (en) | 2016-01-14 |
| EP3167501B1 (en) | 2018-08-29 |
| US10396359B2 (en) | 2019-08-27 |
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