KR20090108708A - 리튬 티타네이트와 리튬 전지 및 이를 포함하는 배터리 - Google Patents
리튬 티타네이트와 리튬 전지 및 이를 포함하는 배터리 Download PDFInfo
- Publication number
- KR20090108708A KR20090108708A KR1020097016718A KR20097016718A KR20090108708A KR 20090108708 A KR20090108708 A KR 20090108708A KR 1020097016718 A KR1020097016718 A KR 1020097016718A KR 20097016718 A KR20097016718 A KR 20097016718A KR 20090108708 A KR20090108708 A KR 20090108708A
- Authority
- KR
- South Korea
- Prior art keywords
- lithium
- lithium titanate
- titanate
- lithium battery
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 287
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- 239000003792 electrolyte Substances 0.000 claims abstract description 39
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Images
Classifications
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- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
Description
성분 | 예 1 | 예 2 | 예 3 | |
혼합물 | ||||
이산화티탄, 혼합물의 총중량을 기준으로 한 pbw | 72.992 | 80.655 | 76.632 | |
리튬계 성분 A, 혼합물의 총중량을 기준으로 한 pbw | 27.008 | - | 14.178 | |
리튬계 성분 B, 혼합물의 총중량을 기준으로 한 pbw | - | 19.345 | 9.190 | |
전체 | 100.0 | 100.0 | 100.0 | |
기체 분위기 | ||||
환원제 A 흐름, 혼합물의 총중량으로 기준으로 한 L(분·㎏) | 0.02 | - | - | |
환원제 B 흐름, 혼합물의 총중량으로 기준으로 한 L(분·㎏) | - | 0.0025 | - | |
환원제 C 흐름, 혼합물의 총중량으로 기준으로 한 L(분·㎏) | - | - | 0.05 | |
비활성 기체 A 흐름, 혼합물의 총중량으로 기준으로 한 L(분·㎏) | 0.048 | 0.0225 | - | |
비활성 기체 B 흐름, 혼합물의 총중량으로 기준으로 한 L(분·㎏) | - | - | 0.095 | |
전체 | 0.05 | 0.025 | 0.1 | |
소결 시간, 분 | 120 | 100 | 180 | |
소결 온도, ℃ | 850 | 900 | 800 | |
Li4Ti5O2-x 중의 x 값 | 0.009±0.001 | 0.015±0.001 | 0.005±0.001 | |
가역적 전력 발생 용량, mA*hrs/g | 168 | 170 | 160 | |
300K에서결정 구조 파라미터(a), Å | 8.36012 | 8.35978 | 8.36023 | |
DC의 로그 300K에서 전자 전도성, (S cm-1) | -5.2 | -4.7 | -5.9 |
성분 | 비교예 1 | 비교예 2 | |
혼합물 | |||
이산화티탄, 혼합물의 총중량을 기준으로 한 pbw | 72.992 | 80.655 | |
리튬계 성분 A, 혼합물의 총중량을 기준으로 한 pbw | 27.008 | - | |
리튬계 성분 B, 혼합물의 총중량을 기준으로 한 pbw | - | 19.345 | |
전체 | 100.0 | 100.0 | |
기체 분위기 | |||
비활성 기체 A 흐름, 혼합물의 총중량으로 기준으로 한 L(분·㎏) | 0.1 | - | |
비활성 기체 B 흐름, 혼합물의 총중량으로 기준으로 한 L(분·㎏) | - | 0.2 | |
전체 | 0.1 | 0.2 | |
소결 시간, 분 | 180 | 120 | |
소결 온도, ℃ | 850 | 900 | |
화학식Li4Ti5O2-x 중의 x 값 | 0±0.0005 | 0±0.0005 | |
가역적 전력 발생 용량, mA*hrs/g | 145 | 150 | |
300 K에서결정 구조 파라미터(a), Å | 8.36055 | 8.35915 | |
DC의 로그 300 K에서 전자 전도성, (S cm-1) | < -9 | ~ -9 |
Claims (33)
- 리튬 전지에 사용하기에 적합한 활성 재료로서,상기 활성 재료는,표면을 갖는 리튬 티타네이트와,상기 리튬 티타네이트의 상기 표면 상에 배열되고 0 V 내지 4 V의 리튬에 대한 전위의 범위 내에서 전해질과 비반응성인 재료를포함하고,상기 활성 재료는 전해질 존재하에 존재하는, 리튬 전지에 사용하기에 적합한 활성 재료.
- 제 1항에 있어서, 상기 재료는 전해질을 분해시키지 않는, 리튬 전지에 사용하기에 적합한 활성 재료.
- 제 1항에 있어서, 상기 리튬 티타네이트는 하기 화학식을 갖는, 리튬 전지에 사용하기에 적합한 활성 재료:Li4Ti5O12-x상기 식에서, x는 0보다 크다.
- 제 3항에 있어서, x는 0.02 미만인, 리튬 전지에 사용하기에 적합한 활성 재료.
- 제 4항에 있어서, 상기 리튬 티타네이트 중의 티탄의 평균 원자가는 4 미만인, 리튬 전지에 사용하기에 적합한 활성 재료.
- 제 1항에 기재된 상기 활성 재료를 포함하는 리튬 전지.
- 제 6항에 있어서, 전해질을 추가로 포함하는, 리튬 전지.
- 리튬 티타네이트를 각각 포함하는 2개 이상의 전극을 포함하고, 일반적인 사용 조건에서 1.3 V 미만으로 떨어지지 않는 전극 전위를 갖는 리튬 전지.
- 제 8항에 있어서, 상기 리튬 티타네이트는 하기 화학식을 갖는, 리튬 전지:Li4Ti5O12-x상기 식에서, x는 0보다 크다.
- 제 9항에 있어서, x는 0.02 미만인, 리튬 전지.
- 제 10항에 있어서, 상기 리튬 티타네이트 중의 티탄의 평균 원자가는 4 미만인, 리튬 전지.
- 리튬 전지로서,리튬 티타네이트와,1.5 V 내지 3.0 V의 리튬에 대한 전위에서 분해되는 전해질과,상기 리튬 티타네이트 상에 배열되고 상기 전해질에 의해 생성되는 표면 막을포함하는, 리튬 전지.
- 제 12항에 있어서, 상기 전해질은 리튬 비스(옥살라토)보레이트(LiBOB)를 포함하는, 리튬 전지.
- 제 13항에 있어서, 상기 리튬 티타네이트는 하기 화학식을 갖는, 리튬 전지:Li4Ti5O12-x상기 식에서, x는 0보다 크다.
- 제 14항에 있어서, x는 0.02 미만인, 리튬 전지.
- 제 15항에 있어서, 상기 리튬 티타네이트 중의 티탄의 평균 원자가는 4 미만인, 리튬 전지.
- 리튬 전지로서,리튬 티타네이트를 포함하는 하나 이상의 전극과,비-플루오르화된 결합제를포함하는, 리튬 전지.
- 제 17항에 있어서, 상기 리튬 티타네이트는 하기 화학식을 갖는, 리튬 전지:Li4Ti5O12-x상기 식에서, x는 0보다 크다.
- 제 18항에 있어서, x는 0.02 미만인, 리튬 전지.
- 제 19항에 있어서, 상기 리튬 티타네이트 중의 티탄의 평균 원자가는 4 미만인, 리튬 전지.
- 하나 이상의 전극을 포함하는 리튬 전지로서,상기 전극은화학식 Li4Ti5O12를 갖는 제 1 리튬 티타네이트와,상기 제 1 리튬 티타네이트와 상이하며, x가 0보다 큰 화학식 Li4Ti5O12 -x를 갖는 제 2 리튬 티타네이트를포함하며,상기 제 2 리튬 티타네이트는 상기 제 1 리튬 티타네이트의 양보다 많은 양으로 상기 전극 중에 존재하는, 리튬 전지.
- 제 21항에 있어서, 상기 전극은 상기 제 1 리튬 티타네이트에 비해 10% 이상의 상기 제 2 리튬 티타네이트를 포함하는, 리튬 전지.
- 제 22항에 있어서, x는 0.02 미만인, 리튬 전지.
- 제 23항에 있어서, 상기 리튬 티타네이트 중의 티탄의 평균 원자가는 4 미만인, 리튬 전지.
- 리튬 전지로서,리튬 티타네이트와,기체 흡수 재료를포함하는, 리튬 전지.
- 제 25항에 있어서, 상기 기체 흡수 재료는 ZnO, NaAlO2, 규소, 및 이들의 조합물의 그룹으로부터 선택되는, 리튬 전지.
- 제 25항에 있어서, 분리기(separator)를 더 포함하고, 기체 흡수 재료는 상기 분리기에 의해 유지되는, 리튬 전지.
- 제 25항에 있어서, 상기 리튬 티타네이트와 상기 기체 흡수 재료가 혼합되어 전극을 형성하는, 리튬 전지.
- 제 25항에 있어서, 용기를 포함하고 상기 기체 흡수 재료는 상기 용기에 의해 유지되는, 리튬 전지.
- 제 25항에 있어서, 상기 리튬 티타네이트는 하기 화학식을 갖고,Li4Ti5O12 -x상기 식에서, x는 0보다 큰, 리튬 전지.
- 제 30항에 있어서, x는 0.02 미만인, 리튬 전지.
- 제 31항에 있어서, 상기 리튬 티타네이트에서 티타늄의 평균 원자가는 4 미만인, 리튬 전지.
- 제 31항에 있어서, 상기 기체 흡수 재료는 ZnO, NaAlO2, 규소, 및 이들의 조합물의 그룹으로부터 선택되는, 리튬 전지.
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US88081807P | 2007-01-17 | 2007-01-17 | |
US60/880,818 | 2007-01-17 | ||
US88126307P | 2007-01-19 | 2007-01-19 | |
US60/881,263 | 2007-01-19 | ||
US89908907P | 2007-02-02 | 2007-02-02 | |
US60/899,089 | 2007-02-02 | ||
PCT/US2008/000583 WO2008088832A2 (en) | 2007-01-17 | 2008-01-17 | Lithium titanate and lithium cells and batteries including the same |
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JP (1) | JP5340958B2 (ko) |
KR (1) | KR20090108708A (ko) |
CN (1) | CN101682028A (ko) |
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US10727540B2 (en) | 2016-02-01 | 2020-07-28 | Kabushiki Kaisha Toshiba | Secondary battery, battery module, battery pack and vehicle |
KR20240045849A (ko) * | 2022-09-30 | 2024-04-08 | 영남대학교 산학협력단 | 산소 결함 조절한 미세다공 구조의 스피넬 리튬 티타네이트 및 그 제조방법 |
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JP2011165372A (ja) * | 2010-02-05 | 2011-08-25 | Nippon Telegr & Teleph Corp <Ntt> | リチウム二次電池用負極材料とその製造方法およびリチウム二次電池 |
CN102148351B (zh) * | 2010-02-06 | 2013-04-24 | 清华大学 | 锂电池电极材料的制备方法 |
WO2011122046A1 (ja) * | 2010-03-31 | 2011-10-06 | 日本ケミコン株式会社 | チタン酸リチウムナノ粒子、チタン酸リチウムナノ粒子とカーボンの複合体、その製造方法、この複合体からなる電極材料、この電極材料を用いた電極、電気化学素子及び電気化学キャパシタ |
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EP2595224A1 (en) * | 2011-11-18 | 2013-05-22 | Süd-Chemie IP GmbH & Co. KG | Doped lithium titanium spinel compound and electrode comprising the same |
EP2906503A4 (en) * | 2012-10-10 | 2016-04-27 | Hydro Québec | HISTORED AND SPINELLED LITHIUM TITANATES AND METHOD FOR THE PRODUCTION THEREOF |
CN104600269A (zh) * | 2014-04-25 | 2015-05-06 | 上海应用技术学院 | 一种石墨烯/氧缺位钛酸锂复合材料的制备方法 |
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- 2008-01-17 CN CN200880002520A patent/CN101682028A/zh active Pending
- 2008-01-17 KR KR1020097016718A patent/KR20090108708A/ko not_active Ceased
- 2008-01-17 CA CA002675347A patent/CA2675347A1/en not_active Abandoned
- 2008-01-17 WO PCT/US2008/000583 patent/WO2008088832A2/en active Application Filing
- 2008-01-17 JP JP2009546417A patent/JP5340958B2/ja not_active Expired - Fee Related
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US10727540B2 (en) | 2016-02-01 | 2020-07-28 | Kabushiki Kaisha Toshiba | Secondary battery, battery module, battery pack and vehicle |
KR20240045849A (ko) * | 2022-09-30 | 2024-04-08 | 영남대학교 산학협력단 | 산소 결함 조절한 미세다공 구조의 스피넬 리튬 티타네이트 및 그 제조방법 |
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JP5340958B2 (ja) | 2013-11-13 |
CA2675347A1 (en) | 2008-07-24 |
EP2115801B1 (en) | 2014-09-10 |
WO2008088832A3 (en) | 2008-10-23 |
CN101682028A (zh) | 2010-03-24 |
JP2010517223A (ja) | 2010-05-20 |
WO2008088832A2 (en) | 2008-07-24 |
EP2115801A4 (en) | 2011-02-16 |
EP2115801A2 (en) | 2009-11-11 |
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