JP2012182087A - 溶融塩電池 - Google Patents
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Abstract
【解決手段】溶融塩電池で電解質として用いる溶融塩は、FSAイオン等の[R1−SO2 −N−SO2 −R2]−で表されるイオンをアニオンとし、Naイオンをカチオンとした塩と、他のアルカリ金属又はアルカリ土類金属のイオンをカチオンとした塩との混合塩である。正極1の活物質は、Nax M1y M21−yO2 (但し、M1はFe又はNi、M2はMn又はTi、0<x≦1、0<y<1)で表される金属酸化物である。正極1の活物質は、例えば、Na2/3 Fe1/3 Mn2/3 O2 である。溶融塩電池が低温で動作するので、電池の温度を動作温度まで上昇させるための時間が短縮され、また電解質が不揮発性でしかも不燃性であるので、溶融塩電池は安全性が高い。
【選択図】図1
Description
図1は、本発明の溶融塩電池の構成例を示す模式的断面図である。図1には、溶融塩電池を縦に切断した模式的断面図を示している。溶融塩電池は、上面が開口した直方体の箱状の電池容器51内に、矩形板状の正極1、シート状のセパレータ3及び矩形板状の負極2を並べて配置し、電池容器51に蓋部52を冠着して構成されている。電池容器51及び蓋部52はAl(アルミニウム)で形成されている。正極1及び負極2は矩形平板状に形成されており、セパレータ3はシート状に形成されている。セパレータ3は正極1及び負極2の間に介装されている。正極1、セパレータ3及び負極2は、重ねられ、電池容器51の底面に対して縦に配置されている。
Nax M1y M21−yO2 …(2)
正極活物質としてNa2/3 Fe1/3 Mn2/3 O2 を用いた溶融塩電池の充放電特性を調べる実験を行った。まず、Na2 O2 (過酸化ナトリウム)、α−Fe2 O3 (α−酸化鉄(III))及びMn2 O3 (酸化マンガン(III))を原料として、正極活物質であるNa2/3 Fe1/3 Mn2/3 O2 を作成した。具体的には、2.98gのNa2 O2 (和光純薬工業製、純度85%以上)、3.00gのα−Fe2 O3 (和光純薬工業製、純度99.9%)及び5.93gのMn2 O3 (和光純薬工業製、純度99%)をグローブボックス内で混合し、ペレット状に粉末成型した。複数個作成した夫々のペレットの質量は5g前後であり、粉末成型の圧力は64kg/cm2 である。次に、作成したペレットを空気中で900℃の温度で12時間焼成することにより、Na2/3 Fe1/3 Mn2/3 O2 を生成させた。Na2/3 Fe1/3 Mn2/3 O2 が生成する化学反応式は下記の(3)式で表される。
11 正極集電体
12 正極材
2 負極
21 負極集電体
22 負極材
3 セパレータ
Claims (2)
- 前記金属酸化物は、組成式がNa2/3 Fe1/3 Mn2/3 O2 、Na5/6 Fe1/2 Mn1/2 O2 、NaFe1/2 Ti1/2 O2 、又はNaNi1/2 Mn1/2 O2 で表される金属酸化物であること
を特徴とする請求項1に記載の溶融塩電池。
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011045693A JP5775330B2 (ja) | 2011-03-02 | 2011-03-02 | 溶融塩電池 |
| US14/002,301 US20130330608A1 (en) | 2011-03-02 | 2012-02-22 | Molten salt battery |
| CN2012800109658A CN103460499A (zh) | 2011-03-02 | 2012-02-22 | 熔融盐电池 |
| KR1020137022759A KR101852223B1 (ko) | 2011-03-02 | 2012-02-22 | 용융염 전지 |
| CA2828350A CA2828350C (en) | 2011-03-02 | 2012-02-22 | Nonvolatile and nonflammable molten salt battery |
| PCT/JP2012/054275 WO2012117916A1 (ja) | 2011-03-02 | 2012-02-22 | 溶融塩電池 |
| EP15201764.6A EP3018739A1 (en) | 2011-03-02 | 2012-02-22 | Molten salt battery |
| EP12752318.1A EP2683018A4 (en) | 2011-03-02 | 2012-02-22 | MELT SALT BATTERY |
| TW101106243A TWI525872B (zh) | 2011-03-02 | 2012-02-24 | 熔融鹽電池 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011045693A JP5775330B2 (ja) | 2011-03-02 | 2011-03-02 | 溶融塩電池 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012182087A true JP2012182087A (ja) | 2012-09-20 |
| JP5775330B2 JP5775330B2 (ja) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011045693A Expired - Fee Related JP5775330B2 (ja) | 2011-03-02 | 2011-03-02 | 溶融塩電池 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20130330608A1 (ja) |
| EP (2) | EP2683018A4 (ja) |
| JP (1) | JP5775330B2 (ja) |
| KR (1) | KR101852223B1 (ja) |
| CN (1) | CN103460499A (ja) |
| CA (1) | CA2828350C (ja) |
| TW (1) | TWI525872B (ja) |
| WO (1) | WO2012117916A1 (ja) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012201588A (ja) * | 2011-03-28 | 2012-10-22 | Tokyo Univ Of Science | 複合金属酸化物、ナトリウム二次電池用正極活物質、ナトリウム二次電池用正極、及びナトリウム二次電池 |
| JP2014127259A (ja) * | 2012-12-25 | 2014-07-07 | Tokyo Gas Co Ltd | 蓄電システムおよび蓄電方法 |
| WO2014156765A1 (ja) * | 2013-03-28 | 2014-10-02 | 住友化学株式会社 | ナトリウム二次電池用正極活物質、ナトリウム二次電池用正極およびナトリウム二次電池 |
| JP2015022868A (ja) * | 2013-07-18 | 2015-02-02 | 住友電気工業株式会社 | 溶融塩電池 |
| JP2015170567A (ja) * | 2014-03-10 | 2015-09-28 | 住友電気工業株式会社 | ナトリウム溶融塩電池およびその使用方法 |
| KR20160013996A (ko) * | 2013-05-30 | 2016-02-05 | 세라마테크, 인코오포레이티드 | 실온/중온 전기 차량 배터리용 하이브리드 용융/고체 나트륨 애노드 |
| JP2016511925A (ja) * | 2013-02-11 | 2016-04-21 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 活性カソード物質及び充電式電気化学電池における活性カソード物質の使用方法 |
| US9478804B2 (en) | 2013-10-21 | 2016-10-25 | Samsung Electronics Co., Ltd. | Cathode active material, cathode including the cathode active material, and sodium secondary battery including the cathode |
| KR20170019349A (ko) | 2014-06-17 | 2017-02-21 | 스미토모덴키고교가부시키가이샤 | 나트륨 이온 2차 전지 |
| US9748562B2 (en) | 2013-10-18 | 2017-08-29 | Samsung Electronics Co., Ltd. | Negative active material, negative electrode including the negative active material, and lithium secondary battery including the negative electrode |
| JPWO2016076387A1 (ja) * | 2014-11-13 | 2017-11-09 | 住友電気工業株式会社 | 蓄電デバイス用負極組成物、その組成物を含む負極および蓄電デバイスならびに蓄電デバイス用負極の製造方法 |
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|---|---|---|---|---|
| US10056651B2 (en) | 2010-11-05 | 2018-08-21 | Field Upgrading Usa, Inc. | Low temperature secondary cell with sodium intercalation electrode |
| US10020543B2 (en) | 2010-11-05 | 2018-07-10 | Field Upgrading Usa, Inc. | Low temperature battery with molten sodium-FSA electrolyte |
| US10224577B2 (en) | 2011-11-07 | 2019-03-05 | Field Upgrading Usa, Inc. | Battery charge transfer mechanisms |
| WO2014164883A1 (en) | 2013-03-13 | 2014-10-09 | Ceramatec, Inc. | Low temperature secondary cell with sodium intercalation electrode |
| KR102217751B1 (ko) * | 2013-03-13 | 2021-02-19 | 필드 업그레이딩 유에스에이, 인코포레이티드 | 용융된 나트륨-fsa 전해질을 갖는 저온 배터리 |
| JP2014235912A (ja) * | 2013-06-03 | 2014-12-15 | 住友電気工業株式会社 | ナトリウム溶融塩電池およびその製造方法 |
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| JP2012201588A (ja) * | 2011-03-28 | 2012-10-22 | Tokyo Univ Of Science | 複合金属酸化物、ナトリウム二次電池用正極活物質、ナトリウム二次電池用正極、及びナトリウム二次電池 |
| JP2014127259A (ja) * | 2012-12-25 | 2014-07-07 | Tokyo Gas Co Ltd | 蓄電システムおよび蓄電方法 |
| JP2016511925A (ja) * | 2013-02-11 | 2016-04-21 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 活性カソード物質及び充電式電気化学電池における活性カソード物質の使用方法 |
| WO2014156765A1 (ja) * | 2013-03-28 | 2014-10-02 | 住友化学株式会社 | ナトリウム二次電池用正極活物質、ナトリウム二次電池用正極およびナトリウム二次電池 |
| US10468676B2 (en) | 2013-03-28 | 2019-11-05 | Sumitomo Chemical Company, Limited | Positive electrode-active substance for sodium secondary cell, positive electrode for sodium secondary cell, and sodium secondary cell |
| CN105103347B (zh) * | 2013-03-28 | 2017-06-23 | 住友化学株式会社 | 钠二次电池用正极活性物质、钠二次电池用正极、以及钠二次电池 |
| CN105103347A (zh) * | 2013-03-28 | 2015-11-25 | 住友化学株式会社 | 钠二次电池用正极活性物质、钠二次电池用正极、以及钠二次电池 |
| JPWO2014156765A1 (ja) * | 2013-03-28 | 2017-02-16 | 住友化学株式会社 | ナトリウム二次電池用正極活物質、ナトリウム二次電池用正極およびナトリウム二次電池 |
| JP2016526270A (ja) * | 2013-05-30 | 2016-09-01 | セラマテック・インク | 電気自動車用室温/中温電池のためのハイブリッド溶融/固体ナトリウムアノード |
| KR20160013996A (ko) * | 2013-05-30 | 2016-02-05 | 세라마테크, 인코오포레이티드 | 실온/중온 전기 차량 배터리용 하이브리드 용융/고체 나트륨 애노드 |
| KR102219663B1 (ko) | 2013-05-30 | 2021-02-24 | 필드 업그레이딩 유에스에이, 인코포레이티드 | 실온/중온 전기 차량 배터리용 하이브리드 용융/고체 나트륨 애노드 |
| JP2015022868A (ja) * | 2013-07-18 | 2015-02-02 | 住友電気工業株式会社 | 溶融塩電池 |
| US9748562B2 (en) | 2013-10-18 | 2017-08-29 | Samsung Electronics Co., Ltd. | Negative active material, negative electrode including the negative active material, and lithium secondary battery including the negative electrode |
| US9478804B2 (en) | 2013-10-21 | 2016-10-25 | Samsung Electronics Co., Ltd. | Cathode active material, cathode including the cathode active material, and sodium secondary battery including the cathode |
| JP2015170567A (ja) * | 2014-03-10 | 2015-09-28 | 住友電気工業株式会社 | ナトリウム溶融塩電池およびその使用方法 |
| KR20170019349A (ko) | 2014-06-17 | 2017-02-21 | 스미토모덴키고교가부시키가이샤 | 나트륨 이온 2차 전지 |
| JPWO2016076387A1 (ja) * | 2014-11-13 | 2017-11-09 | 住友電気工業株式会社 | 蓄電デバイス用負極組成物、その組成物を含む負極および蓄電デバイスならびに蓄電デバイス用負極の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2828350A1 (en) | 2012-09-07 |
| WO2012117916A1 (ja) | 2012-09-07 |
| KR20140021547A (ko) | 2014-02-20 |
| CN103460499A (zh) | 2013-12-18 |
| EP2683018A4 (en) | 2014-08-20 |
| TW201242139A (en) | 2012-10-16 |
| TWI525872B (zh) | 2016-03-11 |
| EP2683018A1 (en) | 2014-01-08 |
| KR101852223B1 (ko) | 2018-04-25 |
| CA2828350C (en) | 2018-11-27 |
| US20130330608A1 (en) | 2013-12-12 |
| EP3018739A1 (en) | 2016-05-11 |
| JP5775330B2 (ja) | 2015-09-09 |
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