JP2005197002A - リチウムイオン二次電池 - Google Patents
リチウムイオン二次電池 Download PDFInfo
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- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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Abstract
【解決手段】 負極活物質として、ラマン分光スペクトルの1580〜1620cm−1のピーク強度(IRG)と1300〜1400cm−1のピーク強度(IRD)の強度比R値(IRD /IRG)が0.3以上0.6以下、かつ、X線回折における(110)面と(004)面のピーク高さ強度比H値(IH(110)/IH(004))が0.5以上2.0以下、もしくはピーク積分強度比C値(IC(110)/IC(004))が0.4以上1.5以下の黒鉛質材料を用いる。
【選択図】 図1
Description
実施例1の−30℃での出力密度を、電流線、電圧線が挿入されている恒温槽内にて、以下のように測定した。
まず、電池の定格容量を測定した。作製したリチウムイオン二次電池について20℃で充電と放電を3回繰り返し、3回目の放電容量を電池の定格容量と定めた。充電条件は、0.33C相当の充電電流で上限電圧4.2Vで4時間の定電流定電圧充電とした。放電条件は0.33C相当の放電電流で下限電圧3.0Vの定電流放電とした。
Claims (10)
- 正極活物質を含む正極合剤を塗付してなる正極と、負極活物質を含む負極合剤を塗付してなる負極と、セパレータからなる電極群を有し、かつ電解液とを有するリチウムイオン二次電池であって、−30℃における前記電極群重量当りの出力密度がSOC50%において230W/kg以上、SOC30%において150W/kg以上であることを特徴とするリチウムイオン二次電池。
- 正極活物質を含む正極合剤を塗付してなる正極と、負極活物質を含む負極合剤を塗付してなる負極と、セパレータからなる電極群を有し、かつ電解液とを有するリチウムイオン二次電池であって、前記負極活物質が、ラマン分光スペクトルで測定される1300〜1400cm−1の範囲にあるピーク強度(IRD)と1580〜1620cm−1の範囲にあるピーク強度(IRG)の強度比であるR値(IRD / IRG)が0.3以上0.6以下であり、かつX線回折における(110)面のピークのピーク高さ強度(IH(110))と(004)面のピークのピーク高さ強度(IH(004))との強度比H値(IH(110)/ IH(004))が0.5以上2.0以下であるかもしくは(110)面のピークの積分強度(IC(110))と(004)面のピークの積分強度(IC(004))との強度比C値(IC(110)/ IC(004))が0.4以上1.5以下である黒鉛質材料であることを特徴とするリチウムイオン二次電池。
- 請求項2記載のリチウムイオン二次電池であって、前記黒鉛質材料のラマン分光スペクトルで測定される1300〜1400cm−1の範囲にあるピークの半値幅Δ値が40cm−1以上100cm−1以下であることを特徴とするリチウムイオン二次電池。
- 請求項2記載のリチウムイオン二次電池であって、前記黒鉛質材料の平均粒径が2μm以上20μm以下であることを特徴とするリチウムイオン二次電池。
- 請求項2記載のリチウムイオン二次電池であって、前記負極合剤の塗付量が1.5mg/cm2以上6.0mg/cm2以下、かつ前記負極合剤に1重量%以上10重量%以下の導電剤を有することを特徴とするリチウムイオン二次電池。
- 請求項2記載のリチウムイオン二次電池であって、前記電解液の溶媒として酢酸エステルを有し、及び/又は前記電解液はリチウムと有機ホウ酸(前記ホウ酸はカルボキシル誘導基を有し、前記カルボキシル誘導基がハロゲン置換アルキル基を有したもの)の塩を有することを特徴とするリチウムイオン二次電池。
- 請求項2記載のリチウムイオン二次電池であって、前記正極合剤に組成式LiNixMnyCozMαO2(M:Fe,Cr,Cu,Al,Mg,Si、x+y+z+α=1 0.2≦x≦0.5、0.25≦y≦0.7、0.1≦z≦0.5、0≦α≦0.1)で表される層状複合酸化物からなる正極活物質を有することを特徴とするリチウムイオン二次電池。
- 請求項2記載のリチウムイオン二次電池であって、前記正極合剤に組成式LiNixM1−xO2(M:Mn,Co、Fe,Cr,Cu,Al,Mg,0.7≦x≦0.95)で表される層状複合酸化物からなる正極活物質を有することを特徴とするリチウムイオン二次電池。
- 請求項1記載のリチウムイオン二次電池を有し、前記リチウムイオン二次電池を動力源の少なくとも一部として用いる動力部と前記動力部により駆動される駆動部を有する機器。
- 請求項2記載のリチウムイオン二次電池を有し、前記リチウムイオン二次電池を動力源の少なくとも一部として用いる動力部と前記動力部により駆動される駆動部を有する機器。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003435626A JP2005197002A (ja) | 2003-12-26 | 2003-12-26 | リチウムイオン二次電池 |
| US11/017,944 US20050142440A1 (en) | 2003-12-26 | 2004-12-22 | Lithium ion secondary battery |
| FR0453227A FR2864708B1 (fr) | 2003-12-26 | 2004-12-24 | Batterie secondaire a ion lithium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003435626A JP2005197002A (ja) | 2003-12-26 | 2003-12-26 | リチウムイオン二次電池 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2005197002A true JP2005197002A (ja) | 2005-07-21 |
Family
ID=34650729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003435626A Pending JP2005197002A (ja) | 2003-12-26 | 2003-12-26 | リチウムイオン二次電池 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20050142440A1 (ja) |
| JP (1) | JP2005197002A (ja) |
| FR (1) | FR2864708B1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007083457A1 (ja) * | 2006-01-20 | 2007-07-26 | Nippon Mining & Metals Co., Ltd. | リチウムニッケルマンガンコバルト複合酸化物及びリチウム二次電池 |
| JP2008218248A (ja) * | 2007-03-06 | 2008-09-18 | Hitachi Powdered Metals Co Ltd | リチウム二次電池 |
| JP2013004307A (ja) * | 2011-06-16 | 2013-01-07 | Toyota Motor Corp | 二次電池 |
| JP2017515269A (ja) * | 2014-04-15 | 2017-06-08 | ワイルドキャット・ディスカバリー・テクノロジーズ・インコーポレイテッドWildcat Discovery Technologies, Inc. | 電解質配合物 |
| CN110036522A (zh) * | 2016-11-29 | 2019-07-19 | 三星Sdi株式会社 | 锂二次电池 |
| WO2024028994A1 (ja) * | 2022-08-02 | 2024-02-08 | 株式会社レゾナック | リチウムイオン二次電池用負極材、リチウムイオン二次電池用負極、及びリチウムイオン二次電池 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006172775A (ja) * | 2004-12-14 | 2006-06-29 | Hitachi Ltd | エネルギー貯蔵デバイスとそのモジュール及びそれを用いた自動車 |
| KR100738057B1 (ko) * | 2005-09-13 | 2007-07-10 | 삼성에스디아이 주식회사 | 음극 전극 및 이를 채용한 리튬 전지 |
| JP4857073B2 (ja) * | 2006-10-20 | 2012-01-18 | 富士重工業株式会社 | リチウムイオンキャパシタ |
| KR100938626B1 (ko) | 2006-12-30 | 2010-01-22 | 주식회사 엘지화학 | 냉매 유량의 분배 균일성이 향상된 중대형 전지팩 케이스 |
| US9059465B2 (en) * | 2008-04-17 | 2015-06-16 | Jx Nippon Mining & Metals Corporation | Positive electrode active material for lithium ion battery, positive electrode for secondary battery, and lithium ion battery |
| WO2010064504A1 (ja) * | 2008-12-05 | 2010-06-10 | 日鉱金属株式会社 | リチウムイオン電池用正極活物質、同正極活物質を用いた二次電池用正極及び二次電池正極を用いたリチウムイオン二次電池 |
| WO2010089152A1 (de) | 2009-02-09 | 2010-08-12 | Varta Microbattery Gmbh | Knopfzellen und verfahren zu ihrer herstellung |
| DE102009060800A1 (de) | 2009-06-18 | 2011-06-09 | Varta Microbattery Gmbh | Knopfzelle mit Wickelelektrode und Verfahren zu ihrer Herstellung |
| KR20110136001A (ko) * | 2010-06-13 | 2011-12-21 | 삼성에스디아이 주식회사 | 리튬 이차전지용 양극 활물질의 제조 방법 및 이를 이용한 리튬 이차전지 |
| US9312559B2 (en) * | 2010-09-22 | 2016-04-12 | Toyota Jidosha Kabushiki Kaisha | Nonaqueous electrolyte secondary battery provided with a wound electrode body |
| KR20140139294A (ko) * | 2013-05-27 | 2014-12-05 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질, 이를 포함하는 음극 및 리튬 이차 전지 |
| CN106601994B (zh) * | 2017-01-05 | 2020-05-22 | 深圳市优特利电源有限公司 | 负电极及其制备方法和低温锂离子电池 |
| CN107102271A (zh) * | 2017-05-25 | 2017-08-29 | 宁德时代新能源科技股份有限公司 | 电池组峰值功率的估算方法、装置和系统 |
| CN109360977A (zh) * | 2018-12-05 | 2019-02-19 | 江西赛特新能源科技有限公司 | 一种耐超低温圆柱锂离子电池的制备方法 |
| CN113097441B (zh) * | 2021-03-31 | 2023-03-21 | 宁德新能源科技有限公司 | 电化学装置及电子装置 |
| CN113394370B (zh) * | 2021-05-08 | 2022-11-18 | 江苏正力新能电池技术有限公司 | 一种电极极片及含该电极极片的电池 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5702843A (en) * | 1995-05-24 | 1997-12-30 | Sharp Kabushiki Kaisha | Nonaqueous secondary battery |
| JPH10302844A (ja) * | 1997-04-24 | 1998-11-13 | Honda Motor Co Ltd | リチウム二次電池の劣化防止装置 |
| KR100483126B1 (ko) * | 1997-05-30 | 2005-04-14 | 마츠시타 덴끼 산교 가부시키가이샤 | 비수전해질 2차전지 |
| JP2000012034A (ja) * | 1998-06-17 | 2000-01-14 | Petoca Ltd | リチウム二次電池用黒鉛材及びその製造方法 |
| US6060184A (en) * | 1998-07-09 | 2000-05-09 | Wilson Greatbatch Ltd. | Inorganic and organic nitrate additives for nonaqueous electrolyte in alkali metal electrochemical cells |
| JP3734145B2 (ja) * | 2000-07-21 | 2006-01-11 | 株式会社デンソー | リチウム二次電池 |
| JP3929303B2 (ja) * | 2001-12-20 | 2007-06-13 | 三菱化学株式会社 | リチウム二次電池 |
| KR100420034B1 (ko) * | 2001-10-17 | 2004-02-25 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질의 제조방법 |
| JP5153055B2 (ja) * | 2003-10-31 | 2013-02-27 | 昭和電工株式会社 | リチウム二次電池電極用炭素材料、その製造方法、電極ペースト、リチウム二次電池用電極及びリチウム二次電池 |
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2003
- 2003-12-26 JP JP2003435626A patent/JP2005197002A/ja active Pending
-
2004
- 2004-12-22 US US11/017,944 patent/US20050142440A1/en not_active Abandoned
- 2004-12-24 FR FR0453227A patent/FR2864708B1/fr not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007083457A1 (ja) * | 2006-01-20 | 2007-07-26 | Nippon Mining & Metals Co., Ltd. | リチウムニッケルマンガンコバルト複合酸化物及びリチウム二次電池 |
| JPWO2007083457A1 (ja) * | 2006-01-20 | 2009-06-11 | 日鉱金属株式会社 | リチウムニッケルマンガンコバルト複合酸化物及びリチウム二次電池 |
| JP2008218248A (ja) * | 2007-03-06 | 2008-09-18 | Hitachi Powdered Metals Co Ltd | リチウム二次電池 |
| JP2013004307A (ja) * | 2011-06-16 | 2013-01-07 | Toyota Motor Corp | 二次電池 |
| JP2017515269A (ja) * | 2014-04-15 | 2017-06-08 | ワイルドキャット・ディスカバリー・テクノロジーズ・インコーポレイテッドWildcat Discovery Technologies, Inc. | 電解質配合物 |
| JP2018166104A (ja) * | 2014-04-15 | 2018-10-25 | ワイルドキャット・ディスカバリー・テクノロジーズ・インコーポレイテッドWildcat Discovery Technologies, Inc. | 電解質配合物 |
| CN110036522A (zh) * | 2016-11-29 | 2019-07-19 | 三星Sdi株式会社 | 锂二次电池 |
| CN110036522B (zh) * | 2016-11-29 | 2022-07-29 | 三星Sdi株式会社 | 锂二次电池 |
| WO2024028994A1 (ja) * | 2022-08-02 | 2024-02-08 | 株式会社レゾナック | リチウムイオン二次電池用負極材、リチウムイオン二次電池用負極、及びリチウムイオン二次電池 |
| JPWO2024028994A1 (ja) * | 2022-08-02 | 2024-02-08 | ||
| JP7831605B2 (ja) | 2022-08-02 | 2026-03-17 | 株式会社レゾナック | リチウムイオン二次電池用負極材、リチウムイオン二次電池用負極、及びリチウムイオン二次電池 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2864708A1 (fr) | 2005-07-01 |
| US20050142440A1 (en) | 2005-06-30 |
| FR2864708B1 (fr) | 2008-11-07 |
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