JP2011082151A - 蓄電デバイス及びその作製方法 - Google Patents
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Abstract
【解決手段】少なくともアルカリ金属と遷移金属を含有する複合酸化物でなる正極活物質を有する蓄電デバイスの作製方法であって、支持基板101上に下地層102を形成し、当該下地層上にリン酸鉄リチウム層又はリン酸鉄ナトリウム層103を形成し、ヒター105による熱処理で、当該リン酸鉄リチウム層又はリン酸鉄ナトリウム層を単結晶であって且つ結晶軸が<010>方向のオリビン型リン酸鉄リチウム層又はオリビン型リン酸鉄ナトリウム層108に変成することで正極活物質とする蓄電デバイスの作製方法。
【選択図】図2
Description
102 下地層
103 材料層
104 保護膜
105 ヒータ
106 溶融領域
108 単結晶活物質層
111 集電体
130 二次電池
141 筐体
142 正極集電体
143 正極活物質層
144 負極集電体
145 負極活物質層
146 セパレータ
147 電解液
148 正極
149 負極
Claims (6)
- 少なくともアルカリ金属と遷移金属を含有する複合酸化物でなる正極活物質を有する蓄電デバイスの作製方法であって、
支持基板上に下地層を形成し、
前記下地層上にリン酸鉄ナトリウム層を形成し、
熱処理により前記リン酸鉄ナトリウム層を、単結晶であって且つ結晶軸が<010>方向のオリビン型リン酸鉄ナトリウム層に変成することで正極活物質とすることを特徴とする蓄電デバイスの作製方法。 - 少なくともアルカリ金属と遷移金属を含有する複合酸化物でなる正極活物質を有する蓄電デバイスの作製方法であって、
支持基板上に下地層を形成し、
前記下地層上にリン酸鉄リチウム層を形成し、
熱処理により前記リン酸鉄ナトリウム層を、単結晶であって且つ結晶軸が<010>方向のオリビン型リン酸鉄リチウム層に変成することで正極活物質とすることを特徴とする蓄電デバイスの作製方法。 - 請求項1又は請求項2において、
前記下地層は、β−Ta、Cu2[Cd0.79Fe0.17Mn0.04]GeS4、Cu2FeGeS4、CuFeS2、CuGaS2、Cu3[As0.644Sb0.356]S4、Cu9Fe9S16、CaV3O7、WO3・H2O、Fe2SiO4、Mg2SiO4、Li3PO4、Cu3Fe4[VO4]6、[Fe0.292Mg0.708]2SiO4、NaSiO3、LiAlSiO4・H2Oから選ばれた一の材料で形成されることを特徴とする蓄電デバイスの作製方法。 - 支持基板上の下地層に接して設けられた、前記下地層の材料と同様の格子定数を有する単結晶であって且つ結晶軸が<010>方向のオリビン型リン酸鉄ナトリウムでなる正極活物質と、正極集電体とを有する正極と、
負極活物質と、負極集電体を有する負極と、
前記正極と負極との間に設けられたセパレータと、
電解液と
を有することを特徴とする蓄電デバイス。 - 支持基板上の下地層に接して設けられた、前記下地層の材料と同様の格子定数を有する単結晶であって且つ結晶軸が<010>方向のオリビン型リン酸鉄リチウムでなる正極活物質と、正極集電体とを有する正極と、
負極活物質と、負極集電体を有する負極と、
前記正極と負極との間に設けられたセパレータと、
電解液と
を有することを特徴とする蓄電デバイス。 - 請求項4又は請求項5において、
前記下地層は、β−Ta、Cu2[Cd0.79Fe0.17Mn0.04]GeS4、Cu2FeGeS4、CuFeS2、CuGaS2、Cu3[As0.644Sb0.356]S4、Cu9Fe9S16、CaV3O7、WO3・H2O、Fe2SiO4、Mg2SiO4、Li3PO4、Cu3Fe4[VO4]6、[Fe0.292Mg0.708]2SiO4、NaSiO3、LiAlSiO4・H2Oから選ばれた一の材料で形成されることを特徴とする蓄電デバイス。
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US (1) | US8808917B2 (ja) |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2012133396A1 (ja) * | 2011-03-30 | 2012-10-04 | 昭栄化学工業株式会社 | マグネシウム二次電池用正極活物質、マグネシウム二次電池、マグネシウム二次電池用正極活物質の製造方法及びマグネシウム二次電池の製造方法 |
WO2015025466A1 (ja) * | 2013-08-22 | 2015-02-26 | 株式会社豊田自動織機 | 正極活物質層上に熱暴走抑制層を具備する正極を有するリチウムイオン二次電池 |
JP2020535590A (ja) * | 2017-09-29 | 2020-12-03 | インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation | 再充電可能電池スタック |
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US20110008233A1 (en) * | 2009-07-10 | 2011-01-13 | Semiconductor Energy Laboratory Co., Ltd. | Positive electrode active material |
JP5917027B2 (ja) | 2010-06-30 | 2016-05-11 | 株式会社半導体エネルギー研究所 | 電極用材料の作製方法 |
US8980126B2 (en) | 2010-10-08 | 2015-03-17 | Semiconductor Energy Laboratory Co., Ltd. | Electrode material and method for manufacturing power storage device |
KR20120039472A (ko) | 2010-10-15 | 2012-04-25 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 축전 장치용 정극 활물질의 제작 방법 |
US20130130125A1 (en) * | 2011-05-16 | 2013-05-23 | Ray L. Hauser | Cross-linked battery electrode separator |
US9249524B2 (en) | 2011-08-31 | 2016-02-02 | Semiconductor Energy Laboratory Co., Ltd. | Manufacturing method of composite oxide and manufacturing method of power storage device |
US9118077B2 (en) | 2011-08-31 | 2015-08-25 | Semiconductor Energy Laboratory Co., Ltd. | Manufacturing method of composite oxide and manufacturing method of power storage device |
CN104600293A (zh) * | 2014-12-22 | 2015-05-06 | 桂林电子科技大学 | 用于钠离子电池的微纳结构硫化锑负极材料及其制备方法 |
CN104868118A (zh) * | 2015-04-07 | 2015-08-26 | 上海电力学院 | 一种钠离子电池正极FePO4/Graphene复合材料制备方法 |
CN114044504B (zh) * | 2021-11-11 | 2023-02-28 | 雅迪科技集团有限公司 | 磷酸铁钠正极材料的制备方法 |
CN115084433B (zh) * | 2022-06-23 | 2024-06-14 | 蜂巢能源科技股份有限公司 | 一种正极极片和钠离子电池 |
CN115084514B (zh) * | 2022-08-09 | 2024-05-03 | 松山湖材料实验室 | 锂电池加锂聚阴离子正极材料及其制备方法以及锂电池 |
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WO2012133396A1 (ja) * | 2011-03-30 | 2012-10-04 | 昭栄化学工業株式会社 | マグネシウム二次電池用正極活物質、マグネシウム二次電池、マグネシウム二次電池用正極活物質の製造方法及びマグネシウム二次電池の製造方法 |
WO2015025466A1 (ja) * | 2013-08-22 | 2015-02-26 | 株式会社豊田自動織機 | 正極活物質層上に熱暴走抑制層を具備する正極を有するリチウムイオン二次電池 |
US9812702B2 (en) | 2013-08-22 | 2017-11-07 | Kabushiki Kaisha Toyota Jidoshokki | Lithium ion secondary battery having positive electrode that comprises thermal run-away suppressing layer on positive electrode active material layer |
JP2020535590A (ja) * | 2017-09-29 | 2020-12-03 | インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation | 再充電可能電池スタック |
JP7104482B2 (ja) | 2017-09-29 | 2022-07-21 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 再充電可能電池スタック |
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CN102549817A (zh) | 2012-07-04 |
CN102549817B (zh) | 2015-01-28 |
US20110065004A1 (en) | 2011-03-17 |
WO2011030697A1 (en) | 2011-03-17 |
US8808917B2 (en) | 2014-08-19 |
JP5697818B2 (ja) | 2015-04-08 |
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