JP2014517480A - 出力特性が向上した複合正極活物質、及びこれを含む二次電池、電池モジュール及び電池パック - Google Patents
出力特性が向上した複合正極活物質、及びこれを含む二次電池、電池モジュール及び電池パック Download PDFInfo
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Abstract
さらに、本発明は、前記複合正極活物質を含み、出力特性が向上した二次電池、電池モジュール及び電池パックを提供する。
Description
a[Li2MnO3]・(1-a)[LiMlO2] (式1)
前記式において、0<a<1であり、前記MlはMn、Ni、Co、Fe、Cr、V、Cu、Zn、Ti、Al、Mg及びBからなる群で選ばれた一種又は二種以上の金属である;
Li(NixCoyAlZ)O2 (式2)
前記式において、前記x、y、zはそれぞれ独立して0<x、y、z<1の範囲から選択され、x+y+z=1である。
a[Li2MnO3]・(1-a)[LiMlO2] (式1)
前記式において、0<a<1であり、前記MlはMn、Ni、Co、Fe、Cr、V、Cu、Zn、Ti、Al、Mg及びBからなる群で選ばれた一種又は二種以上の金属である;
Li(NixCoyAlZ)O2 (式2)
前記式において、前記x、y、zはそれぞれ独立して0<x、y、z<1の範囲から選択され、x+y+z=1である。
(充電)Li2Mn4+O3 → 2Li+ + 2e−+1/2O2 +Mn4+O2
(放電)Mn4+O2 + Li+ + e− → LiMn3+O2
LiM2O2 (式3)
(1)充電状態に応じた出力評価
実施例1乃至3及び比較例1によって製造されたポリマー型リチウム二次電池の充電状態(SOC)に応じた出力(Power)を測定し、その結果を図1に示した。
実施例1乃至3及び比較例1によって製造されたポリマー型リチウム二次電池の充電状態(SOC)による抵抗(Resistance)を測定し、その結果を図2に示した。
実施例3及び比較例1によって製造されたポリマー型リチウム二次電池の充放電電位を測定し、その結果を図3に示した。
Claims (9)
- 下記化学式1で表される層状構造のリチウムマンガン酸化物と、下記化学式2で表されるリチウム含有金属酸化物を含んでなる、複合正極活物質。
a[Li2MnO3]・(1-a)[LiMlO2] (式1)
〔前記式1において、
0<a<1であり、
MlはMn、Ni、Co、Fe、Cr、V、Cu、Zn、Ti、Al、Mg及びBからなる群で選ばれた一種又は二種以上の金属である。〕
Li(NixCoyAlZ)O2 (式2)
〔前記式2において、
前記x、y、zはそれぞれ独立して0<x、y、z<1の範囲から選択され、
x+y+z=1である。〕 - 前記化学式1で表される層状構造のリチウムマンガン酸化物に対する前記化学式2で表されるリチウム含有金属酸化物の混合比が、99:1乃至50:50の重量比であることを特徴とする、請求項1に記載の複合正極活物質。
- 前記化学式1で表される層状構造のリチウムマンガン酸化物が、前記化学式1におけるMlがMn、NiとCoを含んでいることを特徴とする、請求項1又は2に記載の複合正極活物質。
- 前記化学式2において、
xが、0.45乃至0.90であり、
yが、0.05乃至0.35であり、
zが、0.005乃至0.20であることを特徴とする、請求項1〜3の何れか一項に記載の複合正極活物質。 - 前記複合正極活物質が、リチウムコバルト酸化物;リチウムニッケル酸化物;リチウムマンガン酸化物;リチウムコバルト−ニッケル酸化物;リチウムコバルト−マンガン酸化物;リチウムマンガン−ニッケル酸化物;リチウムコバルト−ニッケル−マンガン酸化物;及び、これら酸化物にAl、Mg、Ni、Co、Fe、Cr、V、Ti、Cu、B、Ca、Zn、Zr、Nb、Mo、Sr、Sb、W、Ti及びBiからなる群から選ばれる1種以上の他元素が置換又はドープされた酸化物;からなる群から選択された一種以上のものをさらに含んでなることを特徴とする、請求項1〜4の何れか一項に記載の複合正極活物質。
- 請求項1〜5の何れか一項に記載の複合正極活物質を備えてなる、二次電池。
- 請求項6に記載の二次電池を備えた、電池モジュール。
- 請求項7に記載の電池モジュールを備えた、電池パック。
- 前記電池パックが、電気車(Electric Vehicle、EV)、ハイブリッド電気車(Hybrid Electric Vehicle、HEV)及びプラグインハイブリッド電気車(Plug-in Hybrid Electric Vehicle、PHEV)からなる群から選択された電気車;イーバイク(E−Bike)、イースクーター(E−scooter);電気ゴルフカート(Electric Golf Cart);電気トラック;及び電気商用車からなる中大型デバイス群から選択された一つ以上の電源として使用されることを特徴とする、請求項8に記載の電池パック。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0130207 | 2011-12-07 | ||
| KR1020110130207A KR101515678B1 (ko) | 2011-12-07 | 2011-12-07 | 출력특성이 향상된 복합 양극 활물질 및 이를 포함하는 이차전지 |
| PCT/KR2012/010575 WO2013085317A1 (ko) | 2011-12-07 | 2012-12-06 | 출력특성이 향상된 복합 양극 활물질, 및 이를 포함하는 이차전지, 전지 모듈 및 전지 팩 |
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| Publication Number | Publication Date |
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| JP2014517480A true JP2014517480A (ja) | 2014-07-17 |
| JP5880989B2 JP5880989B2 (ja) | 2016-03-09 |
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| JP2014513463A Active JP5880989B2 (ja) | 2011-12-07 | 2012-12-06 | 出力特性が向上した複合正極活物質、及びこれを含む二次電池、電池モジュール及び電池パック |
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| Country | Link |
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| US (2) | US8840815B2 (ja) |
| EP (1) | EP2662916B1 (ja) |
| JP (1) | JP5880989B2 (ja) |
| KR (1) | KR101515678B1 (ja) |
| CN (2) | CN103443974A (ja) |
| PL (1) | PL2662916T3 (ja) |
| WO (1) | WO2013085317A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016076369A (ja) * | 2014-10-06 | 2016-05-12 | 旭化成株式会社 | リチウムイオン二次電池 |
| JP2017084807A (ja) * | 2016-12-20 | 2017-05-18 | 株式会社Gsユアサ | 正極ペースト、並びに、これを用いた非水電解質電池用正極及び非水電解質電池の製造方法 |
| US10862106B2 (en) | 2015-10-28 | 2020-12-08 | Samsung Electronics Co., Ltd. | Composite positive electrode active material, positive electrode including the same, and lithium battery including the positive electrode |
| JP2023073048A (ja) * | 2021-11-15 | 2023-05-25 | トヨタ自動車株式会社 | 正極及びリチウムイオン電池 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101515678B1 (ko) * | 2011-12-07 | 2015-04-28 | 주식회사 엘지화학 | 출력특성이 향상된 복합 양극 활물질 및 이를 포함하는 이차전지 |
| JP6069632B2 (ja) * | 2012-06-08 | 2017-02-01 | 株式会社Gsユアサ | 正極ペースト、並びに、これを用いた非水電解質電池用正極及び非水電解質電池の製造方法 |
| KR101513496B1 (ko) | 2013-07-24 | 2015-04-20 | 주식회사 엘지화학 | 리튬 망간계 산화물 및 이를 포함하는 양극 활물질 |
| JP6399388B2 (ja) * | 2013-11-28 | 2018-10-03 | パナソニックIpマネジメント株式会社 | 非水電解質二次電池 |
| CN104701492A (zh) * | 2013-12-10 | 2015-06-10 | 宁波维科电池股份有限公司 | 循环性能优良的高能量密度电池 |
| KR20150097023A (ko) * | 2014-02-17 | 2015-08-26 | 삼성에스디아이 주식회사 | 양극 활물질, 그 제조방법, 이를 포함한 리튬 이차 전지용 양극 및 이를 구비한 리튬 이차 전지 |
| KR102358438B1 (ko) | 2014-12-30 | 2022-02-04 | 삼성전자주식회사 | 복합 양극 활물질, 그 제조방법, 이를 포함하는 양극 및 리튬이차전지 |
| KR102012427B1 (ko) * | 2015-11-30 | 2019-08-21 | 주식회사 엘지화학 | 이차전지용 양극활물질, 이를 포함하는 이차전지용 양극 및 이차전지 |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101515678B1 (ko) | 2015-04-28 |
| WO2013085317A1 (ko) | 2013-06-13 |
| KR20130063699A (ko) | 2013-06-17 |
| CN107452942B (zh) | 2020-12-01 |
| JP5880989B2 (ja) | 2016-03-09 |
| US9614219B2 (en) | 2017-04-04 |
| US20140356715A1 (en) | 2014-12-04 |
| PL2662916T3 (pl) | 2019-05-31 |
| EP2662916A4 (en) | 2015-04-29 |
| CN103443974A (zh) | 2013-12-11 |
| US8840815B2 (en) | 2014-09-23 |
| CN107452942A (zh) | 2017-12-08 |
| EP2662916A1 (en) | 2013-11-13 |
| US20130228718A1 (en) | 2013-09-05 |
| EP2662916B1 (en) | 2018-08-08 |
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