New ProductLi-ion conducting solid state electrolyte LLTOTM
Applications of LLTOTM
① Solid-state Batteries
② Li-Air Batteries
③ Collection of Li from Seawater
LLTOTM Ceramics
- Chemical formula：La0.57Li0.29TiO3 (LLTOTM)
- Li-ion conductivity：More than 5.0×10-4 S/cm
| Shape |
Size |
| Circular plate |
t0.2～3.0 mm × φ10～30 mm |
| Square plate |
t0.2～3.0 mm × φ10～50 mm |
| One end closed tube |
Wall : t1±0.1 mm
Outer : φ18±0.2 mm
Length : 60 mm |
Total lithium ion conductivity of LLTO ceramics at 27-60℃
| Temperature( ℃ ) |
Total lithium ion conductivity ( S/cm ) |
| 27 |
6.8×10-4 |
| 40 |
9.8×10-4 |
| 50 |
1.7×10-3 |
| 60 |
2.6×10-3 |
The mechanical properties & Permeability of LLTO ceramics
| |
Test Item |
Method |
Value |
| Mechanical properties |
Three-point bending strength |
JIS R1601 |
79 MPa |
| Fracture toughness |
JIS R1607 |
2.00 MPa・m1/2 |
| Modulus of elasticity (longitudinal) |
JIS R1602
Resonance method |
169 GPa( 1259 Hz ) |
| Modulus of elasticity (transverse) |
68.4 GPa( 3782 Hz ) |
| Permeability |
Water absorption rate |
JIS 1509-3 |
< 0.3% |
| Apparent porosity |
< 1.0% |
LLTOTM powder
Presentation & Publication Information
Article
| Title |
A rechargeable lithium-air battery using a lithium ion-conducting lanthanum lithium titanate ceramics as an electrolyte separator |
| Author |
Yoshiyuki Inaguma, Mamoru Nakashima |
| Journal |
J. Power Sources, 228, 250-255 (2013). |
*This articlehas been a thing by the collaborative result with Gakushuin University department of science chemistry department Professor Inaguma.
| Title |
High Lithium-Ion Conducting Solid Electrolyte Lanthanum Lithium Titanate
Ceramics for Next Generation Battery |
| Author |
Hideki Sakai |
| Journal |
CERAMICS JAPAN, Bulletin of the Ceramics Society of Japan, 54[5] 333-336
(2019) |
| Title |
Higher Performance of Oxide Solid-Electrolyte LLTO for Next-Generation Lithium-
Ion Batteries |
| Author |
Hideki Sakai |
| Journal |
Journal of the Japan Society for Electronic Materials and Technology, 5014-18 (2019) |
Presentation at a Conference in Japan
| Title |
A rechargeable Lithium-air battery using a lithium ion-conducting lanthanum lithium titanate ceramics as an electrolyte separator |
| Author |
**Y. Inaguma, M. Nakashima |
| Symposium |
The 38th Symposium on Solid State Ionics in Japan（December 4, 2012, Kyoto） |
| Title |
A rechargeable Lithium-air battery using a lithium ion-conducting perovskite-type lanthanum lithium titanate ceramics as an electrolyte separator |
| Author |
**Y. Inaguma, M. Nakashima, **K. Ishii, **D. Mori |
| Conference |
The Electrochemical Society of Japan 80th Spring Meeting（March 29-31, 2013, Sendai） |
| Title |
A rechargeable Lithium-air battery using a lithium ion-conducting perovskite-type lanthanum lithium titanate ceramics as an electrolyte separator |
| Author |
**Y. Inaguma, M. Nakashima, **K. Ishii, **D. Mori |
| Symposium |
The 54th Battery Symposium in Japan（October 7, 2013, Osaka） |
** This presentation has been a thing by the collaborative result with Gakushuin University department of science chemistry department Professor Inaguma, et. al.
Presentation at an International Conference
| Title |
High Lithium-Ion Conducting Solid Electrolyte Lantanum Lithium Titanate Ceramics for Next Generation Battery |
| Author |
N. Nakashima, H.Sakai |
| Conference |
The 13th International AABC (**) February 4-8, 2013 (Pasadena CA USA) |
| Title |
High Lithium-Ion Conducting and High Mechanical Strength Solid Electrolyte Lantanum Lithium Titanate Ceramics for Rechargeable Lithium-air Battery |
| Author |
N. Nakashima, H.Sakai |
| Conference |
The 4th European AABC June 24-28, 2013 (Strasbourg, France) |
**：Advanced Automotive Battery Conference
Publication in Japanese
| Title |
Development of New Material and Analysis for Lithium-air Battery |
| Author |
Hideki Sakai |
| Book |
「次世代蓄電池の【最新】材料技術と性能評価」Technical Information Institute Co., Ltd.（December 2013） |
| Title |
High Performance Solid Electrolyte LLTO for Next Generation Rechargeable Lithium Ion Battery |
| Author |
Hideki Sakai |
| Book |
「LiBの高容量・高耐久化のための電極ー電解液（質）の界面制御技術と解析・評価」
Technical Information Institute Co., Ltd.（February 2015） |
| Title |
Higher Performance of Oxide Solid-Electrolyte LLTO for Next-Generation Lithium-Ion Batteries |
| Author |
Hideki Sakai |
| Book |
「全固体電池のイオン伝導性向上技術と材料、製造プロセスの開発」
Technical Information Institute Co., Ltd. 70-74 (2017) |
| Title |
Electrochemical Measurement of Ceramics Solid Electrolytes and Evaluation Cases |
| Author |
Hideki Sakai |
| Book |
「電気化学・インピーダンス測定のデータ解析手法と事例集」
Technical Information Institute Co., Ltd. 250-254 (2018)
|
| Title |
Enhancement of Oxide Solid-Electrolyte LLTO |
| Author |
Hideki Sakai |
| Book |
“Solid State Batteries: Fundamentals and Frontiers”, CMC Research Ltd., 209-214 (2018) |
| Title |
Preparation of Oxide Electrolyte Materials |
| Author |
Hideki Sakai |
| Book |
「全固体電池開発の現状と産業化へのアプローチ」
JOHOKIKO CO., LTD. 51-58 (2018) |
| Title |
Charge-discharge Characteristics for LIB Materials Titanium Oxide Compound |
| Author |
Hideki Sakai |
| Book |
"Quick Charging Performance & Durability for Automotive Li-Ion Batteries and Market Trend" CMC Research Ltd., 79-92 (2019) |
