JP2015216101A - 全固体バッテリーの電極構造 - Google Patents
全固体バッテリーの電極構造 Download PDFInfo
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- JP2015216101A JP2015216101A JP2014263446A JP2014263446A JP2015216101A JP 2015216101 A JP2015216101 A JP 2015216101A JP 2014263446 A JP2014263446 A JP 2014263446A JP 2014263446 A JP2014263446 A JP 2014263446A JP 2015216101 A JP2015216101 A JP 2015216101A
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- electrode
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- lithium
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- 239000007787 solid Substances 0.000 title abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 18
- 239000011149 active material Substances 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 6
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 6
- 239000006183 anode active material Substances 0.000 claims description 5
- 239000006182 cathode active material Substances 0.000 claims description 4
- 229910001386 lithium phosphate Inorganic materials 0.000 claims description 4
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims description 4
- 239000003273 ketjen black Substances 0.000 claims description 3
- 239000010450 olivine Substances 0.000 claims description 3
- 229910052609 olivine Inorganic materials 0.000 claims description 3
- 239000002200 LIPON - lithium phosphorus oxynitride Substances 0.000 claims description 2
- 229910018091 Li 2 S Inorganic materials 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- RJEIKIOYHOOKDL-UHFFFAOYSA-N [Li].[La] Chemical compound [Li].[La] RJEIKIOYHOOKDL-UHFFFAOYSA-N 0.000 claims description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 2
- 239000002134 carbon nanofiber Substances 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 229920001940 conductive polymer Polymers 0.000 claims description 2
- 239000002241 glass-ceramic Substances 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 229910000659 lithium lanthanum titanates (LLT) Inorganic materials 0.000 claims description 2
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 229910052976 metal sulfide Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229920001197 polyacetylene Polymers 0.000 claims description 2
- 229920000128 polypyrrole Polymers 0.000 claims description 2
- 239000002243 precursor Substances 0.000 claims description 2
- 229910052596 spinel Inorganic materials 0.000 claims description 2
- 239000011029 spinel Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 239000007772 electrode material Substances 0.000 abstract description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 12
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 150000002500 ions Chemical class 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 9
- 239000011244 liquid electrolyte Substances 0.000 description 8
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 239000011162 core material Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002335 surface treatment layer Substances 0.000 description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000007833 carbon precursor Substances 0.000 description 1
- 239000002388 carbon-based active material Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000713 high-energy ball milling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
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- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
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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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- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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Abstract
Description
本発明の電極の厚さを基準にして、集電体に近い部分の50%まではVB>VA(Vは、活物質の体積)であり、残りの固体電解質に近い部分はVA>VBである電極を次の方法によって製造した。
1. 固体電解質のコーティングされたLiCoO2と硫化物系Li2S-P2S5固体電解質を 9:1の割合で複合して200〜400℃で熱処理した後、均質化処理をした。
1. 集電体の上に、「素材製造2.」で製造された炭素コーティングLiCoO2と、「素材製造1.」で製造された固体電解質コーティングLiCoO2を7:3の割合で混合した後、10MPaの圧力をかけて20〜30μmの厚さの陽極活物質層を製造した。
Claims (7)
- イオン伝導性のコーティング活物質Aと電子伝導性のコーティング活物質Bから構成された全固体バッテリーの電極において、電極の厚さを基準にして集電体に近い部分の50%まではVB>VA(Vは、活物質の体積)であり、残りの固体電解質に近い部分はVA>VBである電極。ここで、VAは活物質Aの体積であり、VBは活物質Bの体積である。
- イオン伝導性のコーティング活物質Aは、ガラスセラミック(glass ceramic)系Li2S-P2S5(Li2S:P2S5=50:50〜100:0)、ティオ-リシコン(Thio-Lisicon)、Li10GeP2S12、ジルコン酸リチウムランタン(lithium lanthanum zirconate)、チタン酸リチウムランタン(lithium lanthanum titanate)、ニオブ酸リチウム(lithium niobate)、窒化リン酸リチウム(lithium phosphorus oxynitride)及びリン酸リチウム(lithium phosphate)から構成された群から選ばれる1種であることを特徴とする、請求項1に記載の電極。
- 電子伝導性のコーティング活物質Bは、伝導性ポリマー(例えば、ポリピロール、ポリアセチレンなど)、スーパーC(super c)、ケッチェンブラック(Ketjen Black)、気相成長カーボン繊維(vapor grown carbon fiber)、カーボンナノチューブ(carbon nanotube)、グラフェン(graphene)及びこれらの前駆体からなる群から選ばれる1種以上であることを特徴とする、請求項1に記載の電極。
- 活物質AまたはBは、それぞれの粒子の大きさが0.5〜30μm(マイクロメーター) で、コーティングの厚さが1〜100nmであることを特徴とする、請求項1に記載の電極。
- 陽極活物質は、層状構造系リチウム酸化物、スピネル構造系リチウム酸化物、オリビン構造系リチウム酸化物、硫黄または金属硫化物であることを特徴とする、請求項1に記載の電極。
- 陰極活物質は、炭素系、金属系または金属酸化物系であることを特徴とする、請求項1に記載の電極。
- 上記電極を含むことを特徴とする、請求項1〜請求項6のいずれか1項に記載の全固体バッテリー。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140055051A KR20150128153A (ko) | 2014-05-08 | 2014-05-08 | 전-고체 배터리 전극 구조 |
KR10-2014-0055051 | 2014-05-08 |
Publications (2)
Publication Number | Publication Date |
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JP2015216101A true JP2015216101A (ja) | 2015-12-03 |
JP6440492B2 JP6440492B2 (ja) | 2018-12-19 |
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Application Number | Title | Priority Date | Filing Date |
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JP2014263446A Active JP6440492B2 (ja) | 2014-05-08 | 2014-12-25 | 全固体バッテリーの電極構造 |
Country Status (5)
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US (1) | US20150325854A1 (ja) |
JP (1) | JP6440492B2 (ja) |
KR (1) | KR20150128153A (ja) |
CN (1) | CN105098135A (ja) |
DE (1) | DE102014226946B4 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2017220339A (ja) * | 2016-06-07 | 2017-12-14 | トヨタ自動車株式会社 | 固体電池 |
JP2019501499A (ja) * | 2015-12-22 | 2019-01-17 | ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 電池セルを製造する方法 |
JP2020502756A (ja) * | 2017-09-01 | 2020-01-23 | エルジー・ケム・リミテッド | 負極活物質の製造方法及びこれを用いた負極活物質及びリチウム二次電池 |
WO2021130920A1 (ja) * | 2019-12-25 | 2021-07-01 | 株式会社恒大新能源日本研究院 | 蓄電デバイス及び蓄電デバイス用シート状固体電解質 |
US11430985B2 (en) | 2019-03-20 | 2022-08-30 | Kabushiki Kaisha Toshiba | Electrode, secondary battery, battery pack, and vehicle |
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DE102015224960A1 (de) * | 2015-12-11 | 2017-06-14 | Robert Bosch Gmbh | Elektrodenmaterial, Batteriezelle dieses enthaltend und Verfahren zu deren Herstellung |
KR102140129B1 (ko) * | 2016-09-28 | 2020-07-31 | 주식회사 엘지화학 | 메쉬 형태의 절연층을 포함하는 리튬 이차전지용 음극 및 이를 포함하는 리튬 이차전지 |
KR102631719B1 (ko) * | 2017-09-26 | 2024-01-31 | 주식회사 엘지에너지솔루션 | 리튬 망간계 산화물을 포함하는 고전압용 양극 활물질 및 이의 제조방법 |
US10930927B2 (en) | 2017-11-08 | 2021-02-23 | Samsung Electronics Co., Ltd. | Positive electrode active material, methods for the manufacture thereof, and electrochemical cell comprising the positive electrode active material |
CN108808008B (zh) * | 2018-07-06 | 2021-03-02 | 天津大学 | 一种三维混合离子电子导体集流体及其制备方法和应用 |
KR20230132293A (ko) * | 2022-03-08 | 2023-09-15 | 삼성에스디아이 주식회사 | 전고체 이차 전지 |
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- 2014-12-12 US US14/569,533 patent/US20150325854A1/en not_active Abandoned
- 2014-12-23 DE DE102014226946.6A patent/DE102014226946B4/de active Active
- 2014-12-25 JP JP2014263446A patent/JP6440492B2/ja active Active
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Cited By (7)
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JP2019501499A (ja) * | 2015-12-22 | 2019-01-17 | ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 電池セルを製造する方法 |
JP2017220339A (ja) * | 2016-06-07 | 2017-12-14 | トヨタ自動車株式会社 | 固体電池 |
JP2020502756A (ja) * | 2017-09-01 | 2020-01-23 | エルジー・ケム・リミテッド | 負極活物質の製造方法及びこれを用いた負極活物質及びリチウム二次電池 |
US10971754B2 (en) | 2017-09-01 | 2021-04-06 | Lg Chem, Ltd. | Method for manufacturing negative active material, and negative active material and lithium secondary battery using same |
JP7062151B2 (ja) | 2017-09-01 | 2022-05-06 | エルジー エナジー ソリューション リミテッド | 負極活物質の製造方法及びこれを用いた負極活物質及びリチウム二次電池 |
US11430985B2 (en) | 2019-03-20 | 2022-08-30 | Kabushiki Kaisha Toshiba | Electrode, secondary battery, battery pack, and vehicle |
WO2021130920A1 (ja) * | 2019-12-25 | 2021-07-01 | 株式会社恒大新能源日本研究院 | 蓄電デバイス及び蓄電デバイス用シート状固体電解質 |
Also Published As
Publication number | Publication date |
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DE102014226946B4 (de) | 2024-04-25 |
US20150325854A1 (en) | 2015-11-12 |
DE102014226946A1 (de) | 2015-11-12 |
KR20150128153A (ko) | 2015-11-18 |
CN105098135A (zh) | 2015-11-25 |
JP6440492B2 (ja) | 2018-12-19 |
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