Development of complex hydride-based all-solid-state lithium ion battery applying low melting point electrolyte
| Autor: | Shohei Suzuki, Jun Kawaji, Shin Ichi Orimo, Atsushi Unemoto, Koji Yoshida |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Battery (electricity)
Materials science Renewable Energy Sustainability and the Environment Hydride Contact resistance Inorganic chemistry Oxide Energy Engineering and Power Technology 02 engineering and technology Electrolyte 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Lithium-ion battery 0104 chemical sciences chemistry.chemical_compound chemistry Lithium borohydride Electrode Electrical and Electronic Engineering Physical and Theoretical Chemistry Composite material 0210 nano-technology |
| Zdroj: | Journal of Power Sources. 359:97-103 |
| ISSN: | 0378-7753 |
| DOI: | 10.1016/j.jpowsour.2017.05.019 |
| Popis: | A thermally durable all-solid-state lithium ion battery composed of a complex hydride, oxide electrolytes, and LiNi1/3Mn1/3Co1/3O2 active material is developed. This battery exhibits a discharge capacity of 56 mAh g−1, and the tenth capacity retention ratio is 29% at 150 °C owing to the large contact resistance between the electrolyte layer and the composite positive electrode layer. This large contact resistance is reduced by introducing an adhesive layer comprised of a mixture of LiBH4 and LiNH2 that is easily melted by thermal treatment and fills the voids and pores at the interface between the two layers. As a result, repeated charge-discharge cycles are successfully demonstrated at 150 °C with a high discharge capacity and discharge capacity retention ratio. The first discharge capacity is enhanced to 114 mAh g−1 and the capacity retention ratio at the tenth cycle is improved to 71%. These results demonstrate that using an adhesive layer is an effective measure to reduce the contact resistance and thereby enhance the performance of the battery. |
| Databáze: | OpenAIRE |
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